-/* $Id: teximage.c,v 1.58 2000/10/31 18:09:45 keithw Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.5
- *
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
- *
+ * Version: 6.1
+ *
+ * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
- *
+ *
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
*/
-#ifdef PC_HEADER
-#include "all.h"
-#else
+/**
+ * \file teximage.c
+ * Texture images manipulation functions.
+ *
+ * \note Mesa's native texture data type is GLchan. Native formats are
+ * GL_ALPHA, GL_LUMINANCE, GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, GL_RGBA, and
+ * GL_COLOR_INDEX.
+ *
+ * \note Device drivers are free to implement any internal format they want.
+ */
+
+
#include "glheader.h"
#include "context.h"
#include "convolve.h"
#include "image.h"
+#include "imports.h"
#include "macros.h"
-#include "mem.h"
-#include "mmath.h"
#include "state.h"
+#include "texcompress.h"
+#include "texformat.h"
#include "teximage.h"
#include "texstate.h"
-#include "types.h"
-#endif
+#include "texstore.h"
+#include "mtypes.h"
-/*
- * NOTES:
- *
- * Mesa's native texture datatype is GLchan. Native formats are
- * GL_ALPHA, GL_LUMINANCE, GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, GL_RGBA,
- * and GL_COLOR_INDEX.
- * Device drivers are free to implement any internal format they want.
- */
+#if 0
+static void PrintTexture(GLcontext *ctx, const struct gl_texture_image *img)
+{
+#if CHAN_TYPE == GL_FLOAT
+ _mesa_problem(NULL, "PrintTexture doesn't support float channels");
+#else
+ GLuint i, j, c;
+ const GLchan *data = (const GLchan *) img->Data;
+ if (!data) {
+ _mesa_printf("No texture data\n");
+ return;
+ }
-#ifdef DEBUG
-static void PrintTexture(const struct gl_texture_image *img)
-{
- int i, j, c;
- GLchan *data = img->Data;
-
- if (!data) {
- printf("No texture data\n");
- return;
- }
-
- switch (img->Format) {
- case GL_ALPHA:
- case GL_LUMINANCE:
- case GL_INTENSITY:
- case GL_COLOR_INDEX:
- c = 1;
- break;
- case GL_LUMINANCE_ALPHA:
- c = 2;
- break;
- case GL_RGB:
- c = 3;
- break;
- case GL_RGBA:
- c = 4;
- break;
- default:
- gl_problem(NULL, "error in PrintTexture\n");
- return;
- }
-
-
- for (i = 0; i < img->Height; i++) {
- for (j = 0; j < img->Width; j++) {
- if (c==1)
- printf("%02x ", data[0]);
- else if (c==2)
- printf("%02x%02x ", data[0], data[1]);
- else if (c==3)
- printf("%02x%02x%02x ", data[0], data[1], data[2]);
- else if (c==4)
- printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]);
- data += c;
- }
- printf("\n");
- }
+ switch (img->Format) {
+ case GL_ALPHA:
+ case GL_LUMINANCE:
+ case GL_INTENSITY:
+ case GL_COLOR_INDEX:
+ c = 1;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ c = 2;
+ break;
+ case GL_RGB:
+ c = 3;
+ break;
+ case GL_RGBA:
+ c = 4;
+ break;
+ default:
+ _mesa_problem(NULL, "error in PrintTexture\n");
+ return;
+ }
+
+ for (i = 0; i < img->Height; i++) {
+ for (j = 0; j < img->Width; j++) {
+ if (c==1)
+ _mesa_printf("%02x ", data[0]);
+ else if (c==2)
+ _mesa_printf("%02x%02x ", data[0], data[1]);
+ else if (c==3)
+ _mesa_printf("%02x%02x%02x ", data[0], data[1], data[2]);
+ else if (c==4)
+ _mesa_printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]);
+ data += (img->RowStride - img->Width) * c;
+ }
+ _mesa_printf("\n");
+ }
+#endif
}
#endif
-
/*
- * Compute log base 2 of n.
- * If n isn't an exact power of two return -1.
- * If n<0 return -1.
+ * Compute floor(log_base_2(n)).
+ * If n < 0 return -1.
*/
static int
logbase2( int n )
GLint i = 1;
GLint log2 = 0;
- if (n<0) {
+ if (n < 0)
return -1;
- }
+
+ if (n == 0)
+ return 0;
while ( n > i ) {
i *= 2;
log2++;
}
if (i != n) {
- return -1;
+ return log2 - 1;
}
else {
return log2;
-/*
- * Given an internal texture format enum or 1, 2, 3, 4 return the
- * corresponding _base_ internal format: GL_ALPHA, GL_LUMINANCE,
- * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA.
- * Return -1 if invalid enum.
+/**
+ * Return the simple base format for a given internal texture format.
+ * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
+ *
+ * \param ctx GL context.
+ * \param internalFormat the internal texture format token or 1, 2, 3, or 4.
+ *
+ * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE,
+ * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum.
+ *
+ * This is the format which is used during texture application (i.e. the
+ * texture format and env mode determine the arithmetic used.
*/
GLint
-_mesa_base_tex_format( GLcontext *ctx, GLint format )
+_mesa_base_tex_format( GLcontext *ctx, GLint internalFormat )
{
- /*
- * Ask the driver for the base format, if it doesn't
- * know, it will return -1;
- */
- if (ctx->Driver.BaseCompressedTexFormat) {
- GLint ifmt = (*ctx->Driver.BaseCompressedTexFormat)(ctx, format);
- if (ifmt >= 0) {
- return ifmt;
- }
- }
- switch (format) {
+ switch (internalFormat) {
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
case GL_COLOR_INDEX8_EXT:
case GL_COLOR_INDEX12_EXT:
case GL_COLOR_INDEX16_EXT:
- return GL_COLOR_INDEX;
+ if (ctx->Extensions.EXT_paletted_texture)
+ return GL_COLOR_INDEX;
+ else
+ return -1;
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16_SGIX:
+ case GL_DEPTH_COMPONENT24_SGIX:
+ case GL_DEPTH_COMPONENT32_SGIX:
+ if (ctx->Extensions.SGIX_depth_texture)
+ return GL_DEPTH_COMPONENT;
+ else
+ return -1;
+
+ /* GL_ARB_texture_compression */
+ case GL_COMPRESSED_ALPHA:
+ if (ctx->Extensions.ARB_texture_compression)
+ return GL_ALPHA;
+ else
+ return -1;
+ case GL_COMPRESSED_LUMINANCE:
+ if (ctx->Extensions.ARB_texture_compression)
+ return GL_LUMINANCE;
+ else
+ return -1;
+ case GL_COMPRESSED_LUMINANCE_ALPHA:
+ if (ctx->Extensions.ARB_texture_compression)
+ return GL_LUMINANCE_ALPHA;
+ else
+ return -1;
+ case GL_COMPRESSED_INTENSITY:
+ if (ctx->Extensions.ARB_texture_compression)
+ return GL_INTENSITY;
+ else
+ return -1;
+ case GL_COMPRESSED_RGB:
+ if (ctx->Extensions.ARB_texture_compression)
+ return GL_RGB;
+ else
+ return -1;
+ case GL_COMPRESSED_RGBA:
+ if (ctx->Extensions.ARB_texture_compression)
+ return GL_RGBA;
+ else
+ return -1;
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ if (ctx->Extensions.TDFX_texture_compression_FXT1)
+ return GL_RGB;
+ else
+ return -1;
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ if (ctx->Extensions.TDFX_texture_compression_FXT1)
+ return GL_RGBA;
+ else
+ return -1;
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ return GL_RGB;
+ else
+ return -1;
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ return GL_RGBA;
+ else
+ return -1;
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ if (ctx->Extensions.S3_s3tc)
+ return GL_RGB;
+ else
+ return -1;
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ if (ctx->Extensions.S3_s3tc)
+ return GL_RGBA;
+ else
+ return -1;
+
+ case GL_YCBCR_MESA:
+ if (ctx->Extensions.MESA_ycbcr_texture)
+ return GL_YCBCR_MESA;
+ else
+ return -1;
+
+ /* XXX add float texture formats here */
+
default:
return -1; /* error */
}
}
-
-/*
- * Given an internal texture format enum or 1, 2, 3, 4 return the
- * corresponding _base_ internal format: GL_ALPHA, GL_LUMINANCE,
- * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA. Return the
- * number of components for the format. Return -1 if invalid enum.
+/**
+ * Test if the given internal texture format is a color/RGBA format
+ * (i.e., not color index, depth, stencil, etc).
+ * \param internalFormat an internal texture format token (or 1, 2, 3, or 4)
+ * \return GL_TRUE if its a color/RGBA format, GL_FALSE otherwise.
*/
-static GLint
-components_in_intformat( GLint format )
+static GLboolean
+is_color_format(GLenum internalFormat)
{
- switch (format) {
+ switch (internalFormat) {
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
case GL_ALPHA12:
case GL_ALPHA16:
- return 1;
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
case GL_LUMINANCE12:
case GL_LUMINANCE16:
- return 1;
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE4_ALPHA4:
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
- return 2;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
case GL_INTENSITY12:
case GL_INTENSITY16:
- return 1;
case 3:
case GL_RGB:
case GL_R3_G3_B2:
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
- return 3;
case 4:
case GL_RGBA:
case GL_RGBA2:
case GL_RGB10_A2:
case GL_RGBA12:
case GL_RGBA16:
- return 4;
+ /* XXX add float texture formats here */
+ return GL_TRUE;
+ case GL_YCBCR_MESA: /* not considered to be RGB */
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the given internal texture format is a color index format.
+ */
+static GLboolean
+is_index_format(GLenum internalFormat)
+{
+ switch (internalFormat) {
case GL_COLOR_INDEX:
case GL_COLOR_INDEX1_EXT:
case GL_COLOR_INDEX2_EXT:
case GL_COLOR_INDEX8_EXT:
case GL_COLOR_INDEX12_EXT:
case GL_COLOR_INDEX16_EXT:
- return 1;
+ return GL_TRUE;
default:
- return -1; /* error */
+ return GL_FALSE;
}
}
-/*
- * Return GL_TRUE if internalFormat is a compressed format, return GL_FALSE
- * otherwise.
+/**
+ * Test if the given internal texture format is a depth component format.
*/
static GLboolean
-is_compressed_format(GLcontext *ctx, GLenum internalFormat)
+is_depth_format(GLenum internalFormat)
{
- if (ctx->Driver.IsCompressedFormat) {
- return (*ctx->Driver.IsCompressedFormat)(ctx, internalFormat);
- }
- return GL_FALSE;
+ switch (internalFormat) {
+ case GL_DEPTH_COMPONENT16_ARB:
+ case GL_DEPTH_COMPONENT24_ARB:
+ case GL_DEPTH_COMPONENT32_ARB:
+ case GL_DEPTH_COMPONENT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
}
+/**
+ * Test if the given internal texture format is a YCbCr format.
+ */
+static GLboolean
+is_ycbcr_format(GLenum internalFormat)
+{
+ switch (internalFormat) {
+ case GL_YCBCR_MESA:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
-/*
- * Examine the texImage->Format field and set the Red, Green, Blue, etc
- * texel component sizes to default values.
- * These fields are set only here by core Mesa but device drivers may
- * overwritting these fields to indicate true texel resolution.
+/**
+ * Test if it is a supported compressed format.
+ *
+ * \param internalFormat the internal format token provided by the user.
+ *
+ * \ret GL_TRUE if \p internalFormat is a supported compressed format, or
+ * GL_FALSE otherwise.
+ *
+ * Currently only GL_COMPRESSED_RGB_FXT1_3DFX and GL_COMPRESSED_RGBA_FXT1_3DFX
+ * are supported.
*/
-static void
-set_teximage_component_sizes( struct gl_texture_image *texImage )
+static GLboolean
+is_compressed_format(GLcontext *ctx, GLenum internalFormat)
{
- switch (texImage->Format) {
- case GL_ALPHA:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 8;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_LUMINANCE:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 8;
- texImage->IndexBits = 0;
- break;
- case GL_LUMINANCE_ALPHA:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 8;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 8;
- texImage->IndexBits = 0;
- break;
- case GL_INTENSITY:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 8;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_RED:
- texImage->RedBits = 8;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_GREEN:
- texImage->RedBits = 0;
- texImage->GreenBits = 8;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_BLUE:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 8;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_RGB:
- case GL_BGR:
- texImage->RedBits = 8;
- texImage->GreenBits = 8;
- texImage->BlueBits = 8;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_RGBA:
- case GL_BGRA:
- case GL_ABGR_EXT:
- texImage->RedBits = 8;
- texImage->GreenBits = 8;
- texImage->BlueBits = 8;
- texImage->AlphaBits = 8;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 0;
- break;
- case GL_COLOR_INDEX:
- texImage->RedBits = 0;
- texImage->GreenBits = 0;
- texImage->BlueBits = 0;
- texImage->AlphaBits = 0;
- texImage->IntensityBits = 0;
- texImage->LuminanceBits = 0;
- texImage->IndexBits = 8;
- break;
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ return GL_TRUE;
default:
- gl_problem(NULL, "unexpected format in set_teximage_component_sizes");
+ if (ctx->Driver.IsCompressedFormat) {
+ return ctx->Driver.IsCompressedFormat(ctx, internalFormat);
+ }
+ return GL_FALSE;
}
}
-static void
-set_tex_image(struct gl_texture_object *tObj,
- GLenum target, GLint level,
- struct gl_texture_image *texImage)
+/**
+ * Store a gl_texture_image pointer in a gl_texture_object structure
+ * according to the target and level parameters.
+ *
+ * \param tObj texture object.
+ * \param target texture target.
+ * \param level image level.
+ * \param texImage texture image.
+ *
+ * This was basically prompted by the introduction of cube maps.
+ */
+void
+_mesa_set_tex_image(struct gl_texture_object *tObj,
+ GLenum target, GLint level,
+ struct gl_texture_image *texImage)
{
ASSERT(tObj);
ASSERT(texImage);
switch (target) {
+ case GL_TEXTURE_1D:
case GL_TEXTURE_2D:
- tObj->Image[level] = texImage;
+ case GL_TEXTURE_3D:
+ tObj->Image[0][level] = texImage;
return;
case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- tObj->Image[level] = texImage;
- return;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- tObj->NegX[level] = texImage;
- return;
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- tObj->PosY[level] = texImage;
- return;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- tObj->NegY[level] = texImage;
- return;
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- tObj->PosZ[level] = texImage;
- return;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- tObj->NegZ[level] = texImage;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: {
+ GLuint face = ((GLuint) target -
+ (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X);
+ tObj->Image[face][level] = texImage;
+ break;
+ }
+ case GL_TEXTURE_RECTANGLE_NV:
+ ASSERT(level == 0);
+ tObj->Image[0][level] = texImage;
return;
default:
- gl_problem(NULL, "bad target in set_tex_image()");
+ _mesa_problem(NULL, "bad target in _mesa_set_tex_image()");
return;
}
}
-/*
- * Return new gl_texture_image struct with all fields initialized to zero.
+/**
+ * Allocate a texture image structure.
+ *
+ * Called via ctx->Driver.NewTextureImage() unless overriden by a device
+ * driver.
+ *
+ * \return a pointer to gl_texture_image struct with all fields initialized to
+ * zero.
*/
struct gl_texture_image *
-_mesa_alloc_texture_image( void )
+_mesa_new_texture_image( GLcontext *ctx )
{
+ (void) ctx;
return CALLOC_STRUCT(gl_texture_image);
}
-
-/*
- * Initialize most fields of a gl_texture_image struct.
+/**
+ * Free texture image.
+ *
+ * \param teximage texture image.
+ *
+ * Free the texture image structure and the associated image data if it's not
+ * marked as client data.
*/
-static void
-init_texture_image( GLcontext *ctx,
- struct gl_texture_image *img,
- GLsizei width, GLsizei height, GLsizei depth,
- GLint border, GLenum internalFormat )
-{
- ASSERT(img);
- ASSERT(!img->Data);
- img->Format = (GLenum) _mesa_base_tex_format(ctx, internalFormat);
- set_teximage_component_sizes( img );
- img->IntFormat = (GLenum) internalFormat;
- img->Border = border;
- img->Width = width;
- img->Height = height;
- img->Depth = depth;
- img->WidthLog2 = logbase2(width - 2 * border);
- if (height == 1) /* 1-D texture */
- img->HeightLog2 = 0;
- else
- img->HeightLog2 = logbase2(height - 2 * border);
- if (depth == 1) /* 2-D texture */
- img->DepthLog2 = 0;
- else
- img->DepthLog2 = logbase2(depth - 2 * border);
- img->Width2 = 1 << img->WidthLog2;
- img->Height2 = 1 << img->HeightLog2;
- img->Depth2 = 1 << img->DepthLog2;
- img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
- img->IsCompressed = is_compressed_format(ctx, internalFormat);
-}
-
-
-
void
-_mesa_free_texture_image( struct gl_texture_image *teximage )
+_mesa_delete_texture_image( struct gl_texture_image *teximage )
{
- if (teximage->Data) {
- FREE( teximage->Data );
+ if (teximage->Data && !teximage->IsClientData) {
+ MESA_PBUFFER_FREE( teximage->Data );
teximage->Data = NULL;
}
FREE( teximage );
}
-
-/*
- * Return number of bytes of storage needed to store a compressed texture
- * image. Only the driver knows for sure. If the driver can't help us,
- * we must return 0.
+/**
+ * Test if a target is a proxy target.
+ *
+ * \param target texture target.
+ *
+ * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
*/
-GLuint
-_mesa_compressed_image_size(GLcontext *ctx,
- GLenum internalFormat,
- GLint numDimensions,
- GLint width,
- GLint height,
- GLint depth)
+static GLboolean
+is_proxy_target(GLenum target)
{
- if (ctx->Driver.CompressedImageSize) {
- return (*ctx->Driver.CompressedImageSize)(ctx, internalFormat,
- numDimensions,
- width, height, depth);
- }
- else {
- /* Shouldn't this be an internal error of some sort? */
- return 0;
- }
+ return (target == GL_PROXY_TEXTURE_1D ||
+ target == GL_PROXY_TEXTURE_2D ||
+ target == GL_PROXY_TEXTURE_3D ||
+ target == GL_PROXY_TEXTURE_CUBE_MAP_ARB ||
+ target == GL_PROXY_TEXTURE_RECTANGLE_NV);
}
-
-/*
- * Given a texture unit and a texture target, return the corresponding
- * texture object.
+/**
+ * Get the texture object that corresponds to the target of the given texture unit.
+ *
+ * \param ctx GL context.
+ * \param texUnit texture unit.
+ * \param target texture target.
+ *
+ * \return pointer to the texture object on success, or NULL on failure.
+ *
+ * \sa gl_texture_unit.
*/
struct gl_texture_object *
_mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit,
{
switch (target) {
case GL_TEXTURE_1D:
- return texUnit->CurrentD[1];
+ return texUnit->Current1D;
case GL_PROXY_TEXTURE_1D:
return ctx->Texture.Proxy1D;
case GL_TEXTURE_2D:
- return texUnit->CurrentD[2];
+ return texUnit->Current2D;
case GL_PROXY_TEXTURE_2D:
return ctx->Texture.Proxy2D;
case GL_TEXTURE_3D:
- return texUnit->CurrentD[3];
+ return texUnit->Current3D;
case GL_PROXY_TEXTURE_3D:
return ctx->Texture.Proxy3D;
case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_ARB:
return ctx->Extensions.ARB_texture_cube_map
? texUnit->CurrentCubeMap : NULL;
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
return ctx->Extensions.ARB_texture_cube_map
? ctx->Texture.ProxyCubeMap : NULL;
+ case GL_TEXTURE_RECTANGLE_NV:
+ return ctx->Extensions.NV_texture_rectangle
+ ? texUnit->CurrentRect : NULL;
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ return ctx->Extensions.NV_texture_rectangle
+ ? ctx->Texture.ProxyRect : NULL;
default:
- gl_problem(NULL, "bad target in _mesa_select_tex_object()");
+ _mesa_problem(NULL, "bad target in _mesa_select_tex_object()");
return NULL;
}
}
-/*
- * Return the texture image struct which corresponds to target and level
- * for the given texture unit.
+/**
+ * Get the texture image struct which corresponds to target and level
+ * of the given texture unit.
+ *
+ * \param ctx GL context.
+ * \param texUnit texture unit.
+ * \param target texture target.
+ * \param level image level.
+ *
+ * \return pointer to the texture image structure on success, or NULL on failure.
+ *
+ * \sa gl_texture_unit.
*/
struct gl_texture_image *
_mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit,
GLenum target, GLint level)
{
ASSERT(texUnit);
+ ASSERT(level < MAX_TEXTURE_LEVELS);
switch (target) {
case GL_TEXTURE_1D:
- return texUnit->CurrentD[1]->Image[level];
+ return texUnit->Current1D->Image[0][level];
case GL_PROXY_TEXTURE_1D:
- return ctx->Texture.Proxy1D->Image[level];
+ return ctx->Texture.Proxy1D->Image[0][level];
case GL_TEXTURE_2D:
- return texUnit->CurrentD[2]->Image[level];
+ return texUnit->Current2D->Image[0][level];
case GL_PROXY_TEXTURE_2D:
- return ctx->Texture.Proxy2D->Image[level];
+ return ctx->Texture.Proxy2D->Image[0][level];
case GL_TEXTURE_3D:
- return texUnit->CurrentD[3]->Image[level];
+ return texUnit->Current3D->Image[0][level];
case GL_PROXY_TEXTURE_3D:
- return ctx->Texture.Proxy3D->Image[level];
+ return ctx->Texture.Proxy3D->Image[0][level];
case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- if (ctx->Extensions.ARB_texture_cube_map)
- return texUnit->CurrentCubeMap->Image[level];
- else
- return NULL;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- if (ctx->Extensions.ARB_texture_cube_map)
- return texUnit->CurrentCubeMap->NegX[level];
- else
- return NULL;
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- if (ctx->Extensions.ARB_texture_cube_map)
- return texUnit->CurrentCubeMap->PosY[level];
- else
- return NULL;
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- if (ctx->Extensions.ARB_texture_cube_map)
- return texUnit->CurrentCubeMap->NegY[level];
- else
- return NULL;
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- if (ctx->Extensions.ARB_texture_cube_map)
- return texUnit->CurrentCubeMap->PosZ[level];
- else
- return NULL;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- if (ctx->Extensions.ARB_texture_cube_map)
- return texUnit->CurrentCubeMap->NegZ[level];
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ if (ctx->Extensions.ARB_texture_cube_map) {
+ GLuint face = ((GLuint) target -
+ (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X);
+ return texUnit->CurrentCubeMap->Image[face][level];
+ }
else
return NULL;
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
if (ctx->Extensions.ARB_texture_cube_map)
- return ctx->Texture.ProxyCubeMap->Image[level];
+ return ctx->Texture.ProxyCubeMap->Image[0][level];
else
return NULL;
+ case GL_TEXTURE_RECTANGLE_NV:
+ if (ctx->Extensions.NV_texture_rectangle) {
+ ASSERT(level == 0);
+ return texUnit->CurrentRect->Image[0][level];
+ }
+ else {
+ return NULL;
+ }
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ if (ctx->Extensions.NV_texture_rectangle) {
+ ASSERT(level == 0);
+ return ctx->Texture.ProxyRect->Image[0][level];
+ }
+ else {
+ return NULL;
+ }
default:
- gl_problem(ctx, "bad target in _mesa_select_tex_image()");
+ _mesa_problem(ctx, "bad target in _mesa_select_tex_image()");
return NULL;
}
}
-
-/*
- * Calling glTexImage and related functions when convolution is enabled
- * with GL_REDUCE border mode causes some complications.
- * The incoming image must be extra large so that the post-convolution
- * image size is reduced to a power of two size (plus 2 * border).
- * This function adjusts a texture width and height accordingly if
- * convolution with GL_REDUCE is enabled.
+/**
+ * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
+ * it and install it. Only return NULL if passed a bad parameter or run
+ * out of memory.
*/
-static void
-adjust_texture_size_for_convolution(const GLcontext *ctx, GLuint dimensions,
- GLsizei *width, GLsizei *height)
+struct gl_texture_image *
+_mesa_get_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit,
+ GLenum target, GLint level)
{
- if (ctx->Pixel.Convolution1DEnabled
- && dimensions == 1
- && ctx->Pixel.ConvolutionBorderMode[0] == GL_REDUCE) {
- *width = *width - (MAX2(ctx->Convolution1D.Width, 1) - 1);
- }
- else if (ctx->Pixel.Convolution2DEnabled
- && dimensions > 1
- && ctx->Pixel.ConvolutionBorderMode[1] == GL_REDUCE) {
- *width = *width - (MAX2(ctx->Convolution2D.Width, 1) - 1);
- *height = *height - (MAX2(ctx->Convolution2D.Height, 1) - 1);
- }
- else if (ctx->Pixel.Separable2DEnabled
- && dimensions > 1
- && ctx->Pixel.ConvolutionBorderMode[2] == GL_REDUCE) {
- *width = *width - (MAX2(ctx->Separable2D.Width, 1) - 1);
- *height = *height - (MAX2(ctx->Separable2D.Height, 1) - 1);
+ struct gl_texture_image *texImage;
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+ if (!texImage) {
+ struct gl_texture_object *texObj;
+ texImage = ctx->Driver.NewTextureImage(ctx);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation");
+ return NULL;
+ }
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ ASSERT(texObj);
+ _mesa_set_tex_image(texObj, target, level, texImage);
}
+ return texImage;
}
-
-/*
- * This function is used to move user image data into a texture image.
- * We handle full texture images and subtexture images. We also take
- * care of all image transfer operations here, including convolution.
- * Input:
- * dstXoffset, dstYoffset, dstZoffset - offsets in pixels
- * dstRowStride, dstImageStride - strides in GLchan's
+/**
+ * Return pointer to the specified proxy texture image.
+ * Note that proxy textures are per-context, not per-texture unit.
+ * \return pointer to texture image or NULL if invalid target, invalid
+ * level, or out of memory.
*/
-static void
-fill_texture_image( GLcontext *ctx, GLuint dimensions,
- GLenum texFormat, GLchan *texAddr,
- GLint srcWidth, GLint srcHeight, GLint srcDepth,
- GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
- GLint dstRowStride, GLint dstImageStride,
- GLenum srcFormat, GLenum srcType, const GLvoid *srcAddr,
- const struct gl_pixelstore_attrib *srcPacking)
+struct gl_texture_image *
+_mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level)
{
- GLint texComponents;
-
- ASSERT(ctx);
- ASSERT(dimensions >= 1 && dimensions <= 3);
- ASSERT(texAddr);
- ASSERT(srcWidth >= 1);
- ASSERT(srcHeight >= 1);
- ASSERT(srcDepth >= 1);
- ASSERT(dstXoffset >= 0);
- ASSERT(dstYoffset >= 0);
- ASSERT(dstZoffset >= 0);
- ASSERT(dstRowStride >= 0);
- ASSERT(dstImageStride >= 0);
- ASSERT(srcAddr);
- ASSERT(srcPacking);
-
- texComponents = components_in_intformat(texFormat);
-
- /* try common 2D texture cases first */
- if (!ctx->ImageTransferState && dimensions == 2
- && srcType == GL_UNSIGNED_BYTE) {
-
- if (srcFormat == texFormat) {
- /* This will cover the common GL_RGB, GL_RGBA, GL_ALPHA,
- * GL_LUMINANCE_ALPHA, etc. texture formats. Use memcpy().
- */
- const GLchan *src = (const GLchan *) _mesa_image_address(
- srcPacking, srcAddr, srcWidth, srcHeight,
- srcFormat, srcType, 0, 0, 0);
- const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
- const GLint widthInBytes = srcWidth * texComponents * sizeof(GLchan);
- GLchan *dst = texAddr + dstYoffset * dstRowStride
- + dstXoffset * texComponents;
- if (srcRowStride == widthInBytes && dstRowStride == widthInBytes) {
- MEMCPY(dst, src, srcHeight * widthInBytes);
- }
- else {
- GLint i;
- for (i = 0; i < srcHeight; i++) {
- MEMCPY(dst, src, widthInBytes);
- src += srcRowStride;
- dst += dstRowStride;
- }
- }
- return; /* all done */
- }
- else if (srcFormat == GL_RGBA && texFormat == GL_RGB) {
- /* commonly used by Quake */
- const GLchan *src = (const GLchan *) _mesa_image_address(
- srcPacking, srcAddr, srcWidth, srcHeight,
- srcFormat, srcType, 0, 0, 0);
- const GLint srcRowStride = _mesa_image_row_stride(srcPacking,
- srcWidth, srcFormat, srcType);
- GLchan *dst = texAddr + dstYoffset * dstRowStride
- + dstXoffset * texComponents;
- GLint i, j;
- for (i = 0; i < srcHeight; i++) {
- const GLchan *s = src;
- GLchan *d = dst;
- for (j = 0; j < srcWidth; j++) {
- *d++ = *s++; /*red*/
- *d++ = *s++; /*green*/
- *d++ = *s++; /*blue*/
- s++; /*alpha*/
- }
- src += srcRowStride;
- dst += dstRowStride;
- }
- return; /* all done */
- }
- }
+ struct gl_texture_image *texImage;
- /*
- * General case solutions
- */
- if (texFormat == GL_COLOR_INDEX) {
- /* color index texture */
- const GLenum texType = GL_UNSIGNED_BYTE;
- GLint img, row;
- GLchan *dest = texAddr + dstZoffset * dstImageStride
- + dstYoffset * dstRowStride
- + dstXoffset * texComponents;
- for (img = 0; img < srcDepth; img++) {
- GLchan *destRow = dest;
- for (row = 0; row < srcHeight; row++) {
- const GLvoid *src = _mesa_image_address(srcPacking,
- srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
- _mesa_unpack_index_span(ctx, srcWidth, texType, destRow,
- srcType, src, srcPacking,
- ctx->ImageTransferState);
- destRow += dstRowStride;
+ if (level < 0 )
+ return NULL;
+
+ switch (target) {
+ case GL_PROXY_TEXTURE_1D:
+ if (level >= ctx->Const.MaxTextureLevels)
+ return NULL;
+ texImage = ctx->Texture.Proxy1D->Image[0][level];
+ if (!texImage) {
+ texImage = ctx->Driver.NewTextureImage(ctx);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
+ return NULL;
}
- dest += dstImageStride;
+ ctx->Texture.Proxy1D->Image[0][level] = texImage;
}
- }
- else {
- /* regular, color texture */
- if ((dimensions == 1 && ctx->Pixel.Convolution1DEnabled) ||
- (dimensions >= 2 && ctx->Pixel.Convolution2DEnabled) ||
- (dimensions >= 2 && ctx->Pixel.Separable2DEnabled)) {
- /*
- * Fill texture image with convolution
- */
- GLint img, row;
- GLint convWidth = srcWidth, convHeight = srcHeight;
- GLfloat *tmpImage, *convImage;
- tmpImage = (GLfloat *) MALLOC(srcWidth * srcHeight * 4 * sizeof(GLfloat));
- if (!tmpImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- return;
+ return texImage;
+ case GL_PROXY_TEXTURE_2D:
+ if (level >= ctx->Const.MaxTextureLevels)
+ return NULL;
+ texImage = ctx->Texture.Proxy2D->Image[0][level];
+ if (!texImage) {
+ texImage = ctx->Driver.NewTextureImage(ctx);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
+ return NULL;
}
- convImage = (GLfloat *) MALLOC(srcWidth * srcHeight * 4 * sizeof(GLfloat));
- if (!convImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- FREE(tmpImage);
- return;
+ ctx->Texture.Proxy2D->Image[0][level] = texImage;
+ }
+ return texImage;
+ case GL_PROXY_TEXTURE_3D:
+ if (level >= ctx->Const.Max3DTextureLevels)
+ return NULL;
+ texImage = ctx->Texture.Proxy3D->Image[0][level];
+ if (!texImage) {
+ texImage = ctx->Driver.NewTextureImage(ctx);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
+ return NULL;
}
-
- for (img = 0; img < srcDepth; img++) {
- const GLfloat *srcf;
- GLfloat *dstf = tmpImage;
- GLchan *dest;
-
- /* unpack and do transfer ops up to convolution */
- for (row = 0; row < srcHeight; row++) {
- const GLvoid *src = _mesa_image_address(srcPacking,
- srcAddr, srcWidth, srcHeight,
- srcFormat, srcType, img, row, 0);
- _mesa_unpack_float_color_span(ctx, srcWidth, GL_RGBA, dstf,
- srcFormat, srcType, src, srcPacking,
- ctx->ImageTransferState & IMAGE_PRE_CONVOLUTION_BITS,
- GL_TRUE);
- dstf += srcWidth * 4;
- }
-
- /* convolve */
- if (dimensions == 1) {
- ASSERT(ctx->Pixel.Convolution1DEnabled);
- _mesa_convolve_1d_image(ctx, &convWidth, tmpImage, convImage);
- }
- else {
- if (ctx->Pixel.Convolution2DEnabled) {
- _mesa_convolve_2d_image(ctx, &convWidth, &convHeight,
- tmpImage, convImage);
- }
- else {
- ASSERT(ctx->Pixel.Separable2DEnabled);
- _mesa_convolve_sep_image(ctx, &convWidth, &convHeight,
- tmpImage, convImage);
- }
- }
-
- /* packing and transfer ops after convolution */
- srcf = convImage;
- dest = texAddr + (dstZoffset + img) * dstImageStride
- + dstYoffset * dstRowStride;
- for (row = 0; row < convHeight; row++) {
- _mesa_pack_float_rgba_span(ctx, convWidth,
- (const GLfloat (*)[4]) srcf,
- texFormat, GL_UNSIGNED_BYTE,
- dest, &_mesa_native_packing,
- ctx->ImageTransferState
- & IMAGE_POST_CONVOLUTION_BITS);
- srcf += convWidth * 4;
- dest += dstRowStride;
- }
+ ctx->Texture.Proxy3D->Image[0][level] = texImage;
+ }
+ return texImage;
+ case GL_PROXY_TEXTURE_CUBE_MAP:
+ if (level >= ctx->Const.MaxCubeTextureLevels)
+ return NULL;
+ texImage = ctx->Texture.ProxyCubeMap->Image[0][level];
+ if (!texImage) {
+ texImage = ctx->Driver.NewTextureImage(ctx);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
+ return NULL;
}
-
- FREE(convImage);
- FREE(tmpImage);
+ ctx->Texture.ProxyCubeMap->Image[0][level] = texImage;
}
- else {
- /*
- * no convolution
- */
- GLint img, row;
- GLchan *dest = texAddr + dstZoffset * dstImageStride
- + dstYoffset * dstRowStride
- + dstXoffset * texComponents;
- for (img = 0; img < srcDepth; img++) {
- GLchan *destRow = dest;
- for (row = 0; row < srcHeight; row++) {
- const GLvoid *srcRow = _mesa_image_address(srcPacking,
- srcAddr, srcWidth, srcHeight,
- srcFormat, srcType, img, row, 0);
- _mesa_unpack_chan_color_span(ctx, srcWidth, texFormat, destRow,
- srcFormat, srcType, srcRow, srcPacking,
- ctx->ImageTransferState);
- destRow += dstRowStride;
- }
- dest += dstImageStride;
+ return texImage;
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ if (level > 0)
+ return NULL;
+ texImage = ctx->Texture.ProxyRect->Image[0][level];
+ if (!texImage) {
+ texImage = ctx->Driver.NewTextureImage(ctx);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
+ return NULL;
}
+ ctx->Texture.ProxyRect->Image[0][level] = texImage;
}
+ return texImage;
+ default:
+ return NULL;
}
}
-
-/* Need this to prevent an out-of-bounds memory access when using
- * X86 optimized code.
- */
-#ifdef USE_X86_ASM
-# define EXTRA_BYTE sizeof(GLchan)
-#else
-# define EXTRA_BYTE 0
-#endif
-
-
-
-/*
- * Called by glTexImage[123]D. Fill in a texture image with data given
- * by the client. All pixel transfer and unpack modes are handled here.
- * Input: dimensions (1, 2, or 3)
- * texImage - destination texture image (we'll malloc the memory)
- * width, height, depth - size of source image
- * srcFormat, srcType - source image format and type
- * pixels - source image data
- * srcPacking - source image packing parameters
+/**
+ * Get the maximum number of allowed mipmap levels.
*
- * NOTE: All texture image parameters should have already been error checked.
+ * \param ctx GL context.
+ * \param target texture target.
+ *
+ * \return the maximum number of allowed mipmap levels for the given
+ * texture target, or zero if passed a bad target.
*
- * NOTE: the texImage dimensions and source image dimensions must be correct
- * with respect to convolution with border mode = reduce.
+ * \sa gl_constants.
*/
-static void
-make_texture_image( GLcontext *ctx, GLuint dimensions,
- struct gl_texture_image *texImage,
- GLint width, GLint height, GLint depth,
- GLenum srcFormat, GLenum srcType, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *srcPacking)
+GLint
+_mesa_max_texture_levels(GLcontext *ctx, GLenum target)
{
- const GLint internalFormat = texImage->IntFormat;
- const GLint components = components_in_intformat(internalFormat);
- GLint convWidth = width, convHeight = height;
-
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
-
- if (ctx->ImageTransferState & IMAGE_CONVOLUTION_BIT) {
- adjust_texture_size_for_convolution(ctx, dimensions,
- &convWidth, &convHeight);
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_PROXY_TEXTURE_1D:
+ case GL_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_2D:
+ return ctx->Const.MaxTextureLevels;
+ case GL_TEXTURE_3D:
+ case GL_PROXY_TEXTURE_3D:
+ return ctx->Const.Max3DTextureLevels;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ return ctx->Const.MaxCubeTextureLevels;
+ break;
+ case GL_TEXTURE_RECTANGLE_NV:
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ return 1;
+ break;
+ default:
+ return 0; /* bad target */
}
-
- texImage->Data = (GLchan *) MALLOC(convWidth * convHeight * depth
- * components * sizeof(GLchan) + EXTRA_BYTE);
- if (!texImage->Data)
- return; /* out of memory */
-
- fill_texture_image(ctx, dimensions, texImage->Format, texImage->Data,
- width, height, depth, 0, 0, 0,
- convWidth * components * sizeof(GLchan),
- convWidth * convHeight * components * sizeof(GLchan),
- srcFormat, srcType, pixels, srcPacking);
}
+#if 000 /* not used anymore */
/*
* glTexImage[123]D can accept a NULL image pointer. In this case we
* create a texture image with unspecified image contents per the OpenGL
- * spec. This function creates an empty image for the given texture image.
+ * spec.
*/
-static void
-make_null_texture( struct gl_texture_image *texImage )
+static GLubyte *
+make_null_texture(GLint width, GLint height, GLint depth, GLenum format)
{
- GLint components;
- GLint numPixels;
-
- ASSERT(texImage);
- ASSERT(!texImage->Data);
-
- components = components_in_intformat(texImage->IntFormat);
- numPixels = texImage->Width * texImage->Height * texImage->Depth;
-
- texImage->Data = (GLchan *) MALLOC( numPixels * components * sizeof(GLchan)
- + EXTRA_BYTE );
+ const GLint components = _mesa_components_in_format(format);
+ const GLint numPixels = width * height * depth;
+ GLubyte *data = (GLubyte *) MALLOC(numPixels * components * sizeof(GLubyte));
+#ifdef DEBUG
/*
* Let's see if anyone finds this. If glTexImage2D() is called with
* a NULL image pointer then load the texture image with something
* interesting instead of leaving it indeterminate.
*/
- if (texImage->Data) {
+ if (data) {
static const char message[8][32] = {
" X X XXXXX XXX X ",
" XX XX X X X X X ",
" "
};
- GLchan *imgPtr = texImage->Data;
- GLint i, j, k;
- for (i = 0; i < texImage->Height; i++) {
- GLint srcRow = 7 - i % 8;
- for (j = 0; j < texImage->Width; j++) {
- GLint srcCol = j % 32;
- GLint texel = (message[srcRow][srcCol]=='X') ? CHAN_MAX : 70;
- for (k=0;k<components;k++) {
- *imgPtr++ = (GLchan) texel;
+ GLubyte *imgPtr = data;
+ GLint h, i, j, k;
+ for (h = 0; h < depth; h++) {
+ for (i = 0; i < height; i++) {
+ GLint srcRow = 7 - (i % 8);
+ for (j = 0; j < width; j++) {
+ GLint srcCol = j % 32;
+ GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70;
+ for (k = 0; k < components; k++) {
+ *imgPtr++ = texel;
+ }
}
}
}
}
+#endif
+
+ return data;
}
+#endif
-/*
+/**
+ * Reset the fields of a gl_texture_image struct to zero.
+ *
+ * \param img texture image structure.
+ *
* This is called when a proxy texture test fails, we set all the
* image members (except DriverData) to zero.
+ * It's also used in glTexImage[123]D as a safeguard to be sure all
+ * required fields get initialized properly by the Driver.TexImage[123]D
+ * functions.
*/
static void
-clear_proxy_teximage(struct gl_texture_image *img)
+clear_teximage_fields(struct gl_texture_image *img)
{
ASSERT(img);
img->Format = 0;
img->IntFormat = 0;
- img->RedBits = 0;
- img->GreenBits = 0;
- img->BlueBits = 0;
- img->AlphaBits = 0;
- img->IntensityBits = 0;
- img->LuminanceBits = 0;
- img->IndexBits = 0;
img->Border = 0;
img->Width = 0;
img->Height = 0;
img->Depth = 0;
+ img->RowStride = 0;
img->Width2 = 0;
img->Height2 = 0;
img->Depth2 = 0;
img->HeightLog2 = 0;
img->DepthLog2 = 0;
img->Data = NULL;
+ img->TexFormat = &_mesa_null_texformat;
+ img->FetchTexelc = NULL;
+ img->FetchTexelf = NULL;
img->IsCompressed = 0;
img->CompressedSize = 0;
}
+/**
+ * Initialize basic fields of the gl_texture_image struct.
+ *
+ * \param ctx GL context.
+ * \param target texture target.
+ * \param img texture image structure to be initialized.
+ * \param width image width.
+ * \param height image height.
+ * \param depth image depth.
+ * \param border image border.
+ * \param internalFormat internal format.
+ *
+ * Fills in the fields of \p img with the given information.
+ * Note: width, height and depth include the border.
+ */
+void
+_mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
+ struct gl_texture_image *img,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLint border, GLenum internalFormat)
+{
+ ASSERT(img);
+ img->Format = _mesa_base_tex_format( ctx, internalFormat );
+ ASSERT(img->Format > 0);
+ img->IntFormat = internalFormat;
+ img->Border = border;
+ img->Width = width;
+ img->Height = height;
+ img->Depth = depth;
+ img->RowStride = width;
+ img->WidthLog2 = logbase2(width - 2 * border);
+ if (height == 1) /* 1-D texture */
+ img->HeightLog2 = 0;
+ else
+ img->HeightLog2 = logbase2(height - 2 * border);
+ if (depth == 1) /* 2-D texture */
+ img->DepthLog2 = 0;
+ else
+ img->DepthLog2 = logbase2(depth - 2 * border);
+ img->Width2 = width - 2 * border; /*1 << img->WidthLog2;*/
+ img->Height2 = height - 2 * border; /*1 << img->HeightLog2;*/
+ img->Depth2 = depth - 2 * border; /*1 << img->DepthLog2;*/
+ img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
+ img->IsCompressed = is_compressed_format(ctx, internalFormat);
+ if (img->IsCompressed)
+ img->CompressedSize = _mesa_compressed_texture_size(ctx, width, height,
+ depth, internalFormat);
+ else
+ img->CompressedSize = 0;
-/*
- * Test glTexImage[123]D() parameters for errors.
- * Input:
- * dimensions - must be 1 or 2 or 3
- * Return: GL_TRUE = an error was detected, GL_FALSE = no errors
+ if ((width == 1 || _mesa_bitcount(width - 2 * border) == 1) &&
+ (height == 1 || _mesa_bitcount(height - 2 * border) == 1) &&
+ (depth == 1 || _mesa_bitcount(depth - 2 * border) == 1))
+ img->_IsPowerOfTwo = GL_TRUE;
+ else
+ img->_IsPowerOfTwo = GL_FALSE;
+
+ /* Compute Width/Height/DepthScale for mipmap lod computation */
+ if (target == GL_TEXTURE_RECTANGLE_NV) {
+ /* scale = 1.0 since texture coords directly map to texels */
+ img->WidthScale = 1.0;
+ img->HeightScale = 1.0;
+ img->DepthScale = 1.0;
+ }
+ else {
+ img->WidthScale = (GLfloat) img->Width;
+ img->HeightScale = (GLfloat) img->Height;
+ img->DepthScale = (GLfloat) img->Depth;
+ }
+}
+
+
+/**
+ * This is the fallback for Driver.TestProxyTexImage(). Test the texture
+ * level, width, height and depth against the ctx->Const limits for textures.
+ *
+ * A hardware driver might override this function if, for example, the
+ * max 3D texture size is 512x512x64 (i.e. not a cube).
+ *
+ * \param target one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D,
+ * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV,
+ * GL_PROXY_TEXTURE_CUBE_MAP_ARB.
+ * \param level as passed to glTexImage
+ * \param internalFormat as passed to glTexImage
+ * \param format as passed to glTexImage
+ * \param type as passed to glTexImage
+ * \param width as passed to glTexImage
+ * \param height as passed to glTexImage
+ * \param depth as passed to glTexImage
+ * \param border as passed to glTexImage
+ * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
+ */
+GLboolean
+_mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
+ GLint internalFormat, GLenum format, GLenum type,
+ GLint width, GLint height, GLint depth, GLint border)
+{
+ GLint maxSize;
+
+ (void) internalFormat;
+ (void) format;
+ (void) type;
+
+ switch (target) {
+ case GL_PROXY_TEXTURE_1D:
+ maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
+ if (width < 2 * border || width > 2 + maxSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two &&
+ _mesa_bitcount(width - 2 * border) != 1) ||
+ level >= ctx->Const.MaxTextureLevels) {
+ /* bad width or level */
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+ case GL_PROXY_TEXTURE_2D:
+ maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
+ if (width < 2 * border || width > 2 + maxSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two &&
+ _mesa_bitcount(width - 2 * border) != 1) ||
+ height < 2 * border || height > 2 + maxSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two &&
+ _mesa_bitcount(height - 2 * border) != 1) ||
+ level >= ctx->Const.MaxTextureLevels) {
+ /* bad width or height or level */
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+ case GL_PROXY_TEXTURE_3D:
+ maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
+ if (width < 2 * border || width > 2 + maxSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two &&
+ _mesa_bitcount(width - 2 * border) != 1) ||
+ height < 2 * border || height > 2 + maxSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two &&
+ _mesa_bitcount(height - 2 * border) != 1) ||
+ depth < 2 * border || depth > 2 + maxSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two &&
+ _mesa_bitcount(depth - 2 * border) != 1) ||
+ level >= ctx->Const.Max3DTextureLevels) {
+ /* bad width or height or depth or level */
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ if (width < 1 || width > ctx->Const.MaxTextureRectSize ||
+ height < 1 || height > ctx->Const.MaxTextureRectSize ||
+ level != 0) {
+ /* bad width or height or level */
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
+ if (width < 2 * border || width > 2 + maxSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two &&
+ _mesa_bitcount(width - 2 * border) != 1) ||
+ height < 2 * border || height > 2 + maxSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two &&
+ _mesa_bitcount(height - 2 * border) != 1) ||
+ level >= ctx->Const.MaxCubeTextureLevels) {
+ /* bad width or height */
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+ default:
+ _mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage");
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test the glTexImage[123]D() parameters for errors.
+ *
+ * \param ctx GL context.
+ * \param target texture target given by the user.
+ * \param level image level given by the user.
+ * \param internalFormat internal format given by the user.
+ * \param format pixel data format given by the user.
+ * \param type pixel data type given by the user.
+ * \param dimensions texture image dimensions (must be 1, 2 or 3).
+ * \param width image width given by the user.
+ * \param height image height given by the user.
+ * \param depth image depth given by the user.
+ * \param border image border given by the user.
+ *
+ * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
+ *
+ * Verifies each of the parameters against the constants specified in
+ * __GLcontextRec::Const and the supported extensions, and according to the
+ * OpenGL specification.
*/
static GLboolean
texture_error_check( GLcontext *ctx, GLenum target,
GLint width, GLint height,
GLint depth, GLint border )
{
- GLboolean isProxy;
- GLint iformat;
+ const GLboolean isProxy = is_proxy_target(target);
+ GLboolean sizeOK;
+ /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
+ if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(level=%d)", dimensions, level);
+ }
+ return GL_TRUE;
+ }
+
+ /* Check border */
+ if (border < 0 || border > 1 ||
+ ((target == GL_TEXTURE_RECTANGLE_NV ||
+ target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(border=%d)", dimensions, border);
+ }
+ return GL_TRUE;
+ }
+
+ if (width < 0 || height < 0 || depth < 0) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(width, height or depth < 0)", dimensions);
+ }
+ return GL_TRUE;
+ }
+
+ /* Check target and call ctx->Driver.TestProxyTexImage() to check the
+ * level, width, height and depth.
+ */
if (dimensions == 1) {
- isProxy = (GLboolean) (target == GL_PROXY_TEXTURE_1D);
- if (target != GL_TEXTURE_1D && !isProxy) {
- gl_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" );
+ if (target == GL_PROXY_TEXTURE_1D || target == GL_TEXTURE_1D) {
+ sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_1D,
+ level, internalFormat,
+ format, type,
+ width, 1, 1, border);
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" );
return GL_TRUE;
}
}
else if (dimensions == 2) {
- isProxy = (GLboolean) (target == GL_PROXY_TEXTURE_2D);
- if (target != GL_TEXTURE_2D && !isProxy &&
- !(ctx->Extensions.ARB_texture_cube_map &&
- target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
- gl_error( ctx, GL_INVALID_ENUM, "glTexImage2D(target)" );
- return GL_TRUE;
+ if (target == GL_PROXY_TEXTURE_2D || target == GL_TEXTURE_2D) {
+ sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_2D,
+ level, internalFormat,
+ format, type,
+ width, height, 1, border);
+ }
+ else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB ||
+ (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
+ if (!ctx->Extensions.ARB_texture_cube_map) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)");
+ return GL_TRUE;
+ }
+ sizeOK = (width == height) &&
+ ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_CUBE_MAP_ARB,
+ level, internalFormat, format, type,
+ width, height, 1, border);
+ }
+ else if (target == GL_PROXY_TEXTURE_RECTANGLE_NV ||
+ target == GL_TEXTURE_RECTANGLE_NV) {
+ if (!ctx->Extensions.NV_texture_rectangle) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)");
+ return GL_TRUE;
+ }
+ sizeOK = ctx->Driver.TestProxyTexImage(ctx,
+ GL_PROXY_TEXTURE_RECTANGLE_NV,
+ level, internalFormat,
+ format, type,
+ width, height, 1, border);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)");
+ return GL_TRUE;
}
}
else if (dimensions == 3) {
- isProxy = (GLboolean) (target == GL_PROXY_TEXTURE_3D);
- if (target != GL_TEXTURE_3D && !isProxy) {
- gl_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" );
+ if (target == GL_PROXY_TEXTURE_3D || target == GL_TEXTURE_3D) {
+ sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_3D,
+ level, internalFormat,
+ format, type,
+ width, height, depth, border);
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" );
return GL_TRUE;
}
}
else {
- gl_problem( ctx, "bad dims in texture_error_check" );
+ _mesa_problem( ctx, "bad dims in texture_error_check" );
return GL_TRUE;
}
- /* Border */
- if (border != 0 && border != 1) {
+ if (!sizeOK) {
if (!isProxy) {
- char message[100];
- sprintf(message, "glTexImage%dD(border)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)",
+ dimensions, level, width, height, depth);
}
return GL_TRUE;
}
- /* Width */
- if (width < 2 * border || width > 2 + ctx->Const.MaxTextureSize
- || logbase2( width - 2 * border ) < 0) {
+ /* Check internalFormat */
+ if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
if (!isProxy) {
- char message[100];
- sprintf(message, "glTexImage%dD(width)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(internalFormat=0x%x)",
+ dimensions, internalFormat);
}
return GL_TRUE;
}
- /* Height */
- if (dimensions >= 2) {
- if (height < 2 * border || height > 2 + ctx->Const.MaxTextureSize
- || logbase2( height - 2 * border ) < 0) {
- if (!isProxy) {
- char message[100];
- sprintf(message, "glTexImage%dD(height)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- }
- return GL_TRUE;
+ /* Check incoming image format and type */
+ if (!_mesa_is_legal_format_and_type(format, type)) {
+ /* Yes, generate GL_INVALID_OPERATION, not GL_INVALID_ENUM, if there
+ * is a type/format mismatch. See 1.2 spec page 94, sec 3.6.4.
+ */
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(format or type)", dimensions);
}
+ return GL_TRUE;
}
- /* For cube map, width must equal height */
- if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
- if (width != height) {
- if (!isProxy) {
- gl_error(ctx, GL_INVALID_VALUE, "glTexImage2D(width != height)");
- }
+ if (format == GL_YCBCR_MESA || internalFormat == GL_YCBCR_MESA) {
+ ASSERT(ctx->Extensions.MESA_ycbcr_texture);
+ if (format != GL_YCBCR_MESA ||
+ internalFormat != GL_YCBCR_MESA ||
+ (type != GL_UNSIGNED_SHORT_8_8_MESA &&
+ type != GL_UNSIGNED_SHORT_8_8_REV_MESA)) {
+ char message[100];
+ _mesa_sprintf(message,
+ "glTexImage%d(format/type/internalFormat YCBCR mismatch",
+ dimensions);
+ _mesa_error(ctx, GL_INVALID_ENUM, message);
+ return GL_TRUE; /* error */
+ }
+ if (target != GL_TEXTURE_2D &&
+ target != GL_PROXY_TEXTURE_2D &&
+ target != GL_TEXTURE_RECTANGLE_NV &&
+ target != GL_PROXY_TEXTURE_RECTANGLE_NV) {
+ if (!isProxy)
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage(target)");
return GL_TRUE;
}
- }
-
- /* Depth */
- if (dimensions >= 3) {
- if (depth < 2 * border || depth > 2 + ctx->Const.MaxTextureSize
- || logbase2( depth - 2 * border ) < 0) {
+ if (border != 0) {
if (!isProxy) {
- gl_error( ctx, GL_INVALID_VALUE, "glTexImage3D(depth)" );
+ char message[100];
+ _mesa_sprintf(message,
+ "glTexImage%d(format=GL_YCBCR_MESA and border=%d)",
+ dimensions, border);
+ _mesa_error(ctx, GL_INVALID_VALUE, message);
}
return GL_TRUE;
}
}
- /* Level */
- if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
- if (!isProxy) {
- char message[100];
- sprintf(message, "glTexImage%dD(level)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ if (is_compressed_format(ctx, internalFormat)) {
+ if (target == GL_TEXTURE_2D || target == GL_PROXY_TEXTURE_2D) {
+ /* OK */
}
- return GL_TRUE;
- }
-
- iformat = _mesa_base_tex_format( ctx, internalFormat );
- if (iformat < 0) {
- if (!isProxy) {
- char message[100];
- sprintf(message, "glTexImage%dD(internalFormat)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ else if (ctx->Extensions.ARB_texture_cube_map &&
+ (target == GL_PROXY_TEXTURE_CUBE_MAP ||
+ (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))) {
+ /* OK */
}
- return GL_TRUE;
- }
-
- if (!is_compressed_format(ctx, internalFormat)) {
- if (!_mesa_is_legal_format_and_type( format, type )) {
- /* Yes, generate GL_INVALID_OPERATION, not GL_INVALID_ENUM, if there
- * is a type/format mismatch. See 1.2 spec page 94, sec 3.6.4.
- */
+ else {
if (!isProxy) {
- char message[100];
- sprintf(message, "glTexImage%dD(format or type)", dimensions);
- gl_error(ctx, GL_INVALID_OPERATION, message);
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexImage%d(target)", dimensions);
+ return GL_TRUE;
+ }
+ }
+ if (border != 0) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%D(border!=0)", dimensions);
}
return GL_TRUE;
}
}
-
-/*
+/**
* Test glTexSubImage[123]D() parameters for errors.
- * Input:
- * dimensions - must be 1 or 2 or 3
- * Return: GL_TRUE = an error was detected, GL_FALSE = no errors
+ *
+ * \param ctx GL context.
+ * \param dimensions texture image dimensions (must be 1, 2 or 3).
+ * \param target texture target given by the user.
+ * \param level image level given by the user.
+ * \param xoffset sub-image x offset given by the user.
+ * \param yoffset sub-image y offset given by the user.
+ * \param zoffset sub-image z offset given by the user.
+ * \param format pixel data format given by the user.
+ * \param type pixel data type given by the user.
+ * \param width image width given by the user.
+ * \param height image height given by the user.
+ * \param depth image depth given by the user.
+ *
+ * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
+ *
+ * Verifies each of the parameters against the constants specified in
+ * __GLcontextRec::Const and the supported extensions, and according to the
+ * OpenGL specification.
*/
static GLboolean
subtexture_error_check( GLcontext *ctx, GLuint dimensions,
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
struct gl_texture_image *destTex;
+ /* Check target */
if (dimensions == 1) {
if (target != GL_TEXTURE_1D) {
- gl_error( ctx, GL_INVALID_ENUM, "glTexSubImage1D(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage1D(target)" );
return GL_TRUE;
}
}
else if (dimensions == 2) {
- if (ctx->Extensions.ARB_texture_cube_map) {
- if ((target < GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB ||
- target > GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) &&
- target != GL_TEXTURE_2D) {
- gl_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
+ if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <=GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
+ if (!ctx->Extensions.ARB_texture_cube_map) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
+ return GL_TRUE;
+ }
+ }
+ else if (ctx->Extensions.NV_texture_rectangle &&
+ target == GL_TEXTURE_RECTANGLE_NV) {
+ if (!ctx->Extensions.NV_texture_rectangle) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
return GL_TRUE;
}
}
else if (target != GL_TEXTURE_2D) {
- gl_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
return GL_TRUE;
}
}
else if (dimensions == 3) {
if (target != GL_TEXTURE_3D) {
- gl_error( ctx, GL_INVALID_ENUM, "glTexSubImage3D(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage3D(target)" );
return GL_TRUE;
}
}
else {
- gl_problem( ctx, "bad dims in texture_error_check" );
+ _mesa_problem( ctx, "invalid dims in texture_error_check" );
return GL_TRUE;
}
- if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
- gl_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level)");
+ /* Basic level check */
+ if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level=%d)", level);
return GL_TRUE;
}
if (width < 0) {
- char message[100];
- sprintf(message, "glTexSubImage%dD(width)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexSubImage%dD(width=%d)", dimensions, width);
return GL_TRUE;
}
if (height < 0 && dimensions > 1) {
- char message[100];
- sprintf(message, "glTexSubImage%dD(height)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexSubImage%dD(height=%d)", dimensions, height);
return GL_TRUE;
}
if (depth < 0 && dimensions > 2) {
- char message[100];
- sprintf(message, "glTexSubImage%dD(depth)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexSubImage%dD(depth=%d)", dimensions, depth);
return GL_TRUE;
}
- destTex = texUnit->CurrentD[2]->Image[level];
+ destTex = _mesa_select_tex_image(ctx, texUnit, target, level);
+
if (!destTex) {
- gl_error(ctx, GL_INVALID_OPERATION, "glTexSubImage2D");
+ /* undefined image level */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexSubImage%dD", dimensions);
return GL_TRUE;
}
if (xoffset < -((GLint)destTex->Border)) {
- gl_error(ctx, GL_INVALID_VALUE, "glTexSubImage1/2/3D(xoffset)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset)",
+ dimensions);
return GL_TRUE;
}
if (xoffset + width > (GLint) (destTex->Width + destTex->Border)) {
- gl_error(ctx, GL_INVALID_VALUE, "glTexSubImage1/2/3D(xoffset+width)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset+width)",
+ dimensions);
return GL_TRUE;
}
if (dimensions > 1) {
if (yoffset < -((GLint)destTex->Border)) {
- gl_error(ctx, GL_INVALID_VALUE, "glTexSubImage2/3D(yoffset)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset)",
+ dimensions);
return GL_TRUE;
}
if (yoffset + height > (GLint) (destTex->Height + destTex->Border)) {
- gl_error(ctx, GL_INVALID_VALUE, "glTexSubImage2/3D(yoffset+height)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset+height)",
+ dimensions);
return GL_TRUE;
}
}
if (dimensions > 2) {
if (zoffset < -((GLint)destTex->Border)) {
- gl_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset)");
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset)");
return GL_TRUE;
}
- if (zoffset + depth > (GLint) (destTex->Depth+destTex->Border)) {
- gl_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset+depth)");
+ if (zoffset + depth > (GLint) (destTex->Depth + destTex->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset+depth)");
return GL_TRUE;
}
}
- if (!is_compressed_format(ctx, destTex->IntFormat)) {
- if (!_mesa_is_legal_format_and_type(format, type)) {
- char message[100];
- sprintf(message, "glTexSubImage%dD(format or type)", dimensions);
- gl_error(ctx, GL_INVALID_ENUM, message);
+ if (!_mesa_is_legal_format_and_type(format, type)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexSubImage%dD(format or type)", dimensions);
+ return GL_TRUE;
+ }
+
+ if (destTex->IsCompressed) {
+ const struct gl_texture_unit *texUnit;
+ const struct gl_texture_image *texImage;
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+
+ if (target == GL_TEXTURE_2D || target == GL_PROXY_TEXTURE_2D) {
+ /* OK */
+ }
+ else if (ctx->Extensions.ARB_texture_cube_map &&
+ (target == GL_PROXY_TEXTURE_CUBE_MAP ||
+ (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))) {
+ /* OK */
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexSubImage%D(target)", dimensions);
return GL_TRUE;
}
+ /* offset must be multiple of 4 */
+ if ((xoffset & 3) || (yoffset & 3)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexSubImage%D(xoffset or yoffset)", dimensions);
+ return GL_TRUE;
+ }
+ /* size must be multiple of 4 or equal to whole texture size */
+ if ((width & 3) && (GLuint) width != texImage->Width) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexSubImage%D(width)", dimensions);
+ return GL_TRUE;
+ }
+ if ((height & 3) && (GLuint) height != texImage->Height) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexSubImage%D(width)", dimensions);
+ return GL_TRUE;
+ }
}
return GL_FALSE;
}
-/*
+/**
* Test glCopyTexImage[12]D() parameters for errors.
- * Input: dimensions - must be 1 or 2 or 3
- * Return: GL_TRUE = an error was detected, GL_FALSE = no errors
+ *
+ * \param ctx GL context.
+ * \param dimensions texture image dimensions (must be 1, 2 or 3).
+ * \param target texture target given by the user.
+ * \param level image level given by the user.
+ * \param internalFormat internal format given by the user.
+ * \param width image width given by the user.
+ * \param height image height given by the user.
+ * \param depth image depth given by the user.
+ * \param border texture border.
+ *
+ * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
+ *
+ * Verifies each of the parameters against the constants specified in
+ * __GLcontextRec::Const and the supported extensions, and according to the
+ * OpenGL specification.
*/
static GLboolean
copytexture_error_check( GLcontext *ctx, GLuint dimensions,
GLenum target, GLint level, GLint internalFormat,
GLint width, GLint height, GLint border )
{
- GLint iformat;
+ GLenum format, type;
+ GLboolean sizeOK;
+
+ /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
+ if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexImage%dD(level=%d)", dimensions, level);
+ return GL_TRUE;
+ }
+
+ /* Check border */
+ if (border < 0 || border > 1 ||
+ ((target == GL_TEXTURE_RECTANGLE_NV ||
+ target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
+ return GL_TRUE;
+ }
+
+ /* The format and type aren't really significant here, but we need to pass
+ * something to TestProxyTexImage().
+ */
+ format = _mesa_base_tex_format(ctx, internalFormat);
+ type = GL_FLOAT;
+ /* Check target and call ctx->Driver.TestProxyTexImage() to check the
+ * level, width, height and depth.
+ */
if (dimensions == 1) {
- if (target != GL_TEXTURE_1D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexImage1D(target)" );
+ if (target == GL_TEXTURE_1D) {
+ sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_1D,
+ level, internalFormat,
+ format, type,
+ width, 1, 1, border);
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage1D(target)" );
return GL_TRUE;
}
}
else if (dimensions == 2) {
- if (ctx->Extensions.ARB_texture_cube_map) {
- if ((target < GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB ||
- target > GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) &&
- target != GL_TEXTURE_2D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
+ if (target == GL_TEXTURE_2D) {
+ sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_2D,
+ level, internalFormat,
+ format, type,
+ width, height, 1, border);
+ }
+ else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
+ if (!ctx->Extensions.ARB_texture_cube_map) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
return GL_TRUE;
}
+ sizeOK = (width == height) &&
+ ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_CUBE_MAP_ARB,
+ level, internalFormat, format, type,
+ width, height, 1, border);
}
- else if (target != GL_TEXTURE_2D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
+ else if (target == GL_TEXTURE_RECTANGLE_NV) {
+ if (!ctx->Extensions.NV_texture_rectangle) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
+ return GL_TRUE;
+ }
+ sizeOK = ctx->Driver.TestProxyTexImage(ctx,
+ GL_PROXY_TEXTURE_RECTANGLE_NV,
+ level, internalFormat,
+ format, type,
+ width, height, 1, border);
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
return GL_TRUE;
}
}
+ else {
+ _mesa_problem(ctx, "invalid dimensions in copytexture_error_check");
+ return GL_TRUE;
+ }
- /* Border */
- if (border!=0 && border!=1) {
- char message[100];
- sprintf(message, "glCopyTexImage%dD(border)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ if (!sizeOK) {
+ if (dimensions == 1) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexImage1D(width=%d)", width);
+ }
+ else {
+ ASSERT(dimensions == 2);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexImage2D(width=%d, height=%d)", width, height);
+ }
return GL_TRUE;
}
- /* Width */
- if (width < 2 * border || width > 2 + ctx->Const.MaxTextureSize
- || logbase2( width - 2 * border ) < 0) {
- char message[100];
- sprintf(message, "glCopyTexImage%dD(width)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexImage%dD(internalFormat)", dimensions);
return GL_TRUE;
}
- /* Height */
- if (dimensions >= 2) {
- if (height < 2 * border || height > 2 + ctx->Const.MaxTextureSize
- || logbase2( height - 2 * border ) < 0) {
- char message[100];
- sprintf(message, "glCopyTexImage%dD(height)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ if (is_compressed_format(ctx, internalFormat)) {
+ if (target != GL_TEXTURE_2D) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glCopyTexImage%d(target)", dimensions);
return GL_TRUE;
}
- }
-
- /* For cube map, width must equal height */
- if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
- if (width != height) {
- gl_error(ctx, GL_INVALID_VALUE, "glCopyTexImage2D(width != height)");
+ if (border != 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%D(border!=0)", dimensions);
return GL_TRUE;
}
}
- /* Level */
- if (level<0 || level>=ctx->Const.MaxTextureLevels) {
- char message[100];
- sprintf(message, "glCopyTexImage%dD(level)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return GL_TRUE;
- }
-
- iformat = _mesa_base_tex_format( ctx, internalFormat );
- if (iformat < 0) {
- char message[100];
- sprintf(message, "glCopyTexImage%dD(internalFormat)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return GL_TRUE;
- }
-
/* if we get here, the parameters are OK */
return GL_FALSE;
}
+/**
+ * Test glCopyTexImage[12]D() parameters for errors.
+ *
+ * \param ctx GL context.
+ * \param dimensions texture image dimensions (must be 1, 2 or 3).
+ * \param target texture target given by the user.
+ * \param level image level given by the user.
+ * \param xoffset sub-image x offset given by the user.
+ * \param yoffset sub-image y offset given by the user.
+ * \param zoffset sub-image z offset given by the user.
+ * \param width image width given by the user.
+ * \param height image height given by the user.
+ *
+ * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
+ *
+ * Verifies each of the parameters against the constants specified in
+ * __GLcontextRec::Const and the supported extensions, and according to the
+ * OpenGL specification.
+ */
static GLboolean
copytexsubimage_error_check( GLcontext *ctx, GLuint dimensions,
GLenum target, GLint level,
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
struct gl_texture_image *teximage;
+ /* Check target */
if (dimensions == 1) {
if (target != GL_TEXTURE_1D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage1D(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage1D(target)" );
return GL_TRUE;
}
}
else if (dimensions == 2) {
- if (ctx->Extensions.ARB_texture_cube_map) {
- if ((target < GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB ||
- target > GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) &&
- target != GL_TEXTURE_2D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
+ if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
+ if (!ctx->Extensions.ARB_texture_cube_map) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
return GL_TRUE;
}
}
- else if (target != GL_TEXTURE_2D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
+ else if (target == GL_TEXTURE_RECTANGLE_NV) {
+ if (!ctx->Extensions.NV_texture_rectangle) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
+ return GL_TRUE;
+ }
+ }
+ else if (target != GL_TEXTURE_2D) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
return GL_TRUE;
}
}
else if (dimensions == 3) {
if (target != GL_TEXTURE_3D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage3D(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage3D(target)" );
return GL_TRUE;
}
}
- if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
- char message[100];
- sprintf(message, "glCopyTexSubImage%dD(level)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ /* Check level */
+ if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(level=%d)", dimensions, level);
return GL_TRUE;
}
+ /* Check size */
if (width < 0) {
- char message[100];
- sprintf(message, "glCopyTexSubImage%dD(width)", dimensions );
- gl_error(ctx, GL_INVALID_VALUE, message);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(width=%d)", dimensions, width);
return GL_TRUE;
}
if (dimensions > 1 && height < 0) {
- char message[100];
- sprintf(message, "glCopyTexSubImage%dD(height)", dimensions );
- gl_error(ctx, GL_INVALID_VALUE, message);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(height=%d)", dimensions, height);
return GL_TRUE;
}
- teximage = texUnit->CurrentD[dimensions]->Image[level];
+ teximage = _mesa_select_tex_image(ctx, texUnit, target, level);
if (!teximage) {
- char message[100];
- sprintf(message, "glCopyTexSubImage%dD(undefined texture)", dimensions);
- gl_error(ctx, GL_INVALID_OPERATION, message);
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexSubImage%dD(undefined texture level: %d)",
+ dimensions, level);
return GL_TRUE;
}
if (xoffset < -((GLint)teximage->Border)) {
- char message[100];
- sprintf(message, "glCopyTexSubImage%dD(xoffset)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(xoffset=%d)", dimensions, xoffset);
return GL_TRUE;
}
- if (xoffset+width > (GLint) (teximage->Width+teximage->Border)) {
- char message[100];
- sprintf(message, "glCopyTexSubImage%dD(xoffset+width)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ if (xoffset + width > (GLint) (teximage->Width + teximage->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(xoffset+width)", dimensions);
return GL_TRUE;
}
if (dimensions > 1) {
if (yoffset < -((GLint)teximage->Border)) {
- char message[100];
- sprintf(message, "glCopyTexSubImage%dD(yoffset)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(yoffset=%d)", dimensions, yoffset);
return GL_TRUE;
}
/* NOTE: we're adding the border here, not subtracting! */
- if (yoffset+height > (GLint) (teximage->Height+teximage->Border)) {
- char message[100];
- sprintf(message, "glCopyTexSubImage%dD(yoffset+height)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ if (yoffset + height > (GLint) (teximage->Height + teximage->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(yoffset+height)", dimensions);
return GL_TRUE;
}
}
if (dimensions > 2) {
if (zoffset < -((GLint)teximage->Border)) {
- char message[100];
- sprintf(message, "glCopyTexSubImage%dD(zoffset)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(zoffset)", dimensions);
return GL_TRUE;
}
- if (zoffset > (GLint) (teximage->Depth+teximage->Border)) {
- char message[100];
- sprintf(message, "glCopyTexSubImage%dD(zoffset+depth)", dimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
+ if (zoffset > (GLint) (teximage->Depth + teximage->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(zoffset+depth)", dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ if (teximage->IsCompressed) {
+ if (target != GL_TEXTURE_2D) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glCopyTexSubImage%d(target)", dimensions);
+ return GL_TRUE;
+ }
+ /* offset must be multiple of 4 */
+ if ((xoffset & 3) || (yoffset & 3)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%D(xoffset or yoffset)", dimensions);
return GL_TRUE;
}
+ /* size must be multiple of 4 */
+ if ((width & 3) != 0 && (GLuint) width != teximage->Width) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%D(width)", dimensions);
+ return GL_TRUE;
+ }
+ if ((height & 3) != 0 && (GLuint) height != teximage->Height) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%D(height)", dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ if (teximage->IntFormat == GL_YCBCR_MESA) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexSubImage2D");
+ return GL_TRUE;
}
/* if we get here, the parameters are OK */
}
-
-
-/*
- * Turn generic compressed formats into specific compressed format.
- * Some of the compressed formats we don't support, so we
- * fall back to the uncompressed format. (See issue 15 of
- * the GL_ARB_texture_compression specification.)
+/**
+ * Get texture image. Called by glGetTexImage.
+ *
+ * \param target texture target.
+ * \param level image level.
+ * \param format pixel data format for returned image.
+ * \param type pixel data type for returned image.
+ * \param pixels returned pixel data.
*/
-static GLint
-get_specific_compressed_tex_format(GLcontext *ctx,
- GLint ifmt, GLint numDimensions,
- GLint *levelp,
- GLsizei *widthp,
- GLsizei *heightp,
- GLsizei *depthp,
- GLint *borderp,
- GLenum *formatp,
- GLenum *typep)
+void GLAPIENTRY
+_mesa_GetTexImage( GLenum target, GLint level, GLenum format,
+ GLenum type, GLvoid *pixels )
{
- char message[100];
- GLint internalFormat = ifmt;
-
- if (ctx->Extensions.ARB_texture_compression
- && ctx->Driver.SpecificCompressedTexFormat) {
- /*
- * First, ask the driver for the specific format.
- * We do this for all formats, since we may want to
- * fake one compressed format for another.
- */
- internalFormat = (*ctx->Driver.SpecificCompressedTexFormat)
- (ctx, internalFormat, numDimensions,
- levelp,
- widthp, heightp, depthp,
- borderp, formatp, typep);
+ const struct gl_texture_unit *texUnit;
+ const struct gl_texture_object *texObj;
+ const struct gl_texture_image *texImage;
+ GLint maxLevels = 0;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ texUnit = &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ if (!texObj || is_proxy_target(target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
+ return;
}
- /*
- * Now, convert any generic format left to an uncompressed
- * specific format. If the driver does not support compression
- * of the format, we must drop back to the uncompressed format.
- * See issue 15 of the GL_ARB_texture_compression specification.
+ maxLevels = _mesa_max_texture_levels(ctx, target);
+ ASSERT(maxLevels > 0); /* 0 indicates bad target, caught above */
+
+ if (level < 0 || level >= maxLevels) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
+ return;
+ }
+
+ if (_mesa_sizeof_packed_type(type) <= 0) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
+ return;
+ }
+
+ if (_mesa_components_in_format(format) <= 0 ||
+ format == GL_STENCIL_INDEX) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
+ return;
+ }
+
+ if (!ctx->Extensions.EXT_paletted_texture && is_index_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ }
+
+ if (!ctx->Extensions.SGIX_depth_texture && is_depth_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ }
+
+ if (!ctx->Extensions.MESA_ycbcr_texture && is_ycbcr_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ }
+
+ if (!pixels)
+ return;
+
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+ if (!texImage) {
+ /* invalid mipmap level, not an error */
+ return;
+ }
+
+ if (!texImage->Data) {
+ /* no image data, not an error */
+ return;
+ }
+
+ /* Make sure the requested image format is compatible with the
+ * texture's format.
*/
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
- }
- internalFormat = GL_ALPHA;
- break;
- case GL_COMPRESSED_LUMINANCE_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
- }
- internalFormat = GL_LUMINANCE;
- break;
- case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
- }
- internalFormat = GL_LUMINANCE_ALPHA;
- break;
- case GL_COMPRESSED_INTENSITY_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
- }
- internalFormat = GL_INTENSITY;
- break;
- case GL_COMPRESSED_RGB_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
- }
- internalFormat = GL_RGB;
- break;
- case GL_COMPRESSED_RGBA_ARB:
- if (ctx && !ctx->Extensions.ARB_texture_compression) {
- sprintf(message, "glTexImage%dD(internalFormat)", numDimensions);
- gl_error(ctx, GL_INVALID_VALUE, message);
- return -1;
- }
- internalFormat = GL_RGBA;
- break;
- default:
- /* silence compiler warning */
- ;
+ if (is_color_format(format)
+ && !is_color_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return;
+ }
+ else if (is_index_format(format)
+ && !is_index_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return;
+ }
+ else if (is_depth_format(format)
+ && !is_depth_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return;
+ }
+ else if (is_ycbcr_format(format)
+ && !is_ycbcr_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return;
+ }
+
+
+
+ {
+ const GLint width = texImage->Width;
+ const GLint height = texImage->Height;
+ const GLint depth = texImage->Depth;
+ GLint img, row;
+ for (img = 0; img < depth; img++) {
+ for (row = 0; row < height; row++) {
+ /* compute destination address in client memory */
+ GLvoid *dest = _mesa_image_address( &ctx->Pack, pixels,
+ width, height, format, type,
+ img, row, 0);
+ assert(dest);
+
+ if (format == GL_COLOR_INDEX) {
+ GLuint indexRow[MAX_WIDTH];
+ GLint col;
+ for (col = 0; col < width; col++) {
+ GLchan indx;
+ (*texImage->FetchTexelc)(texImage, col, row, img, &indx);
+ indexRow[col] = indx;
+ }
+ _mesa_pack_index_span(ctx, width, type, dest,
+ indexRow, &ctx->Pack,
+ 0 /* no image transfer */);
+ }
+ else if (format == GL_DEPTH_COMPONENT) {
+ GLfloat depthRow[MAX_WIDTH];
+ GLint col;
+ for (col = 0; col < width; col++) {
+ (*texImage->FetchTexelf)(texImage, col, row, img,
+ (GLvoid *) &depthRow[col]);
+ }
+ _mesa_pack_depth_span(ctx, width, dest, type,
+ depthRow, &ctx->Pack);
+ }
+ else if (format == GL_YCBCR_MESA) {
+ /* No pixel transfer */
+ const GLint rowstride = texImage->RowStride;
+ MEMCPY(dest,
+ (const GLushort *) texImage->Data + row * rowstride,
+ width * sizeof(GLushort));
+ /* check for byte swapping */
+ if ((texImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR
+ && type == GL_UNSIGNED_SHORT_8_8_REV_MESA) ||
+ (texImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV
+ && type == GL_UNSIGNED_SHORT_8_8_MESA)) {
+ if (!ctx->Pack.SwapBytes)
+ _mesa_swap2((GLushort *) dest, width);
+ }
+ else if (ctx->Pack.SwapBytes) {
+ _mesa_swap2((GLushort *) dest, width);
+ }
+ }
+ else {
+ /* general case: convert row to RGBA format */
+ GLchan rgba[MAX_WIDTH][4];
+ GLint col;
+ for (col = 0; col < width; col++) {
+ (*texImage->FetchTexelc)(texImage, col, row, img, rgba[col]);
+ }
+ _mesa_pack_rgba_span(ctx, width, (const GLchan (*)[4])rgba,
+ format, type, dest, &ctx->Pack,
+ 0 /* no image transfer */);
+ } /* format */
+ } /* row */
+ } /* img */
}
- return internalFormat;
}
+
/*
* Called from the API. Note that width includes the border.
*/
-void
+void GLAPIENTRY
_mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
GLsizei width, GLint border, GLenum format,
GLenum type, const GLvoid *pixels )
{
- GLsizei postConvWidth;
+ GLsizei postConvWidth = width;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexImage1D");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- postConvWidth = width;
- adjust_texture_size_for_convolution(ctx, 1, &postConvWidth, NULL);
+ if (is_color_format(internalFormat)) {
+ _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
+ }
- if (target==GL_TEXTURE_1D) {
+ if (target == GL_TEXTURE_1D) {
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLint ifmt;
-
- ifmt = get_specific_compressed_tex_format(ctx, internalFormat, 1,
- &level,
- &width, 0, 0,
- &border, &format, &type);
- if (ifmt < 0) {
- /*
- * The error here is that we were sent a generic compressed
- * format, but the extension is not supported.
- */
- return;
- }
- else {
- internalFormat = ifmt;
- }
if (texture_error_check(ctx, target, level, internalFormat,
format, type, 1, postConvWidth, 1, 1, border)) {
- return; /* error in texture image was detected */
+ return; /* error was recorded */
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->CurrentD[1];
- texImage = texObj->Image[level];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_get_tex_image(ctx, texUnit, target, level);
if (!texImage) {
- texImage = _mesa_alloc_texture_image();
- texObj->Image[level] = texImage;
- if (!texImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
- return;
- }
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
+ return;
}
- else if (texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
+ else if (texImage->Data && !texImage->IsClientData) {
+ /* free the old texture data */
+ MESA_PBUFFER_FREE(texImage->Data);
}
+ texImage->Data = NULL;
+ clear_teximage_fields(texImage); /* not really needed, but helpful */
+ _mesa_init_teximage_fields(ctx, target, texImage,
+ postConvWidth, 1, 1,
+ border, internalFormat);
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, postConvWidth, 1, 1, border, internalFormat);
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
+ ASSERT(ctx->Driver.TexImage1D);
- /* process the texture image */
- if (pixels) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (!ctx->ImageTransferState && ctx->Driver.TexImage1D) {
- /* let device driver try to use raw image */
- success = (*ctx->Driver.TexImage1D)( ctx, target, level, format,
- type, pixels, &ctx->Unpack,
- texObj, texImage, &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- make_texture_image(ctx, 1, texImage, width, 1, 1,
- format, type, pixels, &ctx->Unpack);
- if (!success && ctx->Driver.TexImage1D) {
- /* let device driver try to use unpacked image */
- (*ctx->Driver.TexImage1D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
- else {
- make_null_texture(texImage);
- if (ctx->Driver.TexImage1D) {
- GLboolean retain;
- (*ctx->Driver.TexImage1D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
- }
- }
+ /* Give the texture to the driver! <pixels> may be null! */
+ (*ctx->Driver.TexImage1D)(ctx, target, level, internalFormat,
+ width, border, format, type, pixels,
+ &ctx->Unpack, texObj, texImage);
+
+ ASSERT(texImage->TexFormat);
+
+ /* If driver didn't explicitly set this, use the defaults */
+ if (!texImage->FetchTexelc)
+ texImage->FetchTexelc = texImage->TexFormat->FetchTexel1D;
+ if (!texImage->FetchTexelf)
+ texImage->FetchTexelf = texImage->TexFormat->FetchTexel1Df;
+ ASSERT(texImage->FetchTexelc);
+ ASSERT(texImage->FetchTexelf);
/* state update */
- gl_put_texobj_on_dirty_list( ctx, texObj );
+ texObj->Complete = GL_FALSE;
ctx->NewState |= _NEW_TEXTURE;
}
else if (target == GL_PROXY_TEXTURE_1D) {
/* Proxy texture: check for errors and update proxy state */
- GLenum error = texture_error_check(ctx, target, level, internalFormat,
- format, type, 1, width, 1, 1, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
- error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
- internalFormat, format, type,
- width, 1, 1, border);
- }
- if (error) {
- /* if error, clear all proxy texture image parameters */
- if (level>=0 && level<ctx->Const.MaxTextureLevels) {
- clear_proxy_teximage(ctx->Texture.Proxy1D->Image[level]);
- }
+ struct gl_texture_image *texImage;
+ texImage = _mesa_get_proxy_tex_image(ctx, target, level);
+ if (texture_error_check(ctx, target, level, internalFormat,
+ format, type, 1, postConvWidth, 1, 1, border)) {
+ /* when error, clear all proxy texture image parameters */
+ if (texImage)
+ clear_teximage_fields(texImage);
}
else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx, ctx->Texture.Proxy1D->Image[level],
- width, 1, 1, border, internalFormat);
+ /* no error, set the tex image parameters */
+ ASSERT(texImage);
+ _mesa_init_teximage_fields(ctx, target, texImage,
+ postConvWidth, 1, 1,
+ border, internalFormat);
+ texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
+ internalFormat, format, type);
}
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" );
return;
}
}
-void
+void GLAPIENTRY
_mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
GLsizei width, GLsizei height, GLint border,
GLenum format, GLenum type,
const GLvoid *pixels )
{
- GLsizei postConvWidth, postConvHeight;
+ GLsizei postConvWidth = width, postConvHeight = height;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexImage2D");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- postConvWidth = width;
- postConvHeight = height;
- adjust_texture_size_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
+ if (is_color_format(internalFormat)) {
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
+ &postConvHeight);
+ }
- if (target==GL_TEXTURE_2D ||
+ if (target == GL_TEXTURE_2D ||
(ctx->Extensions.ARB_texture_cube_map &&
target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) ||
+ (ctx->Extensions.NV_texture_rectangle &&
+ target == GL_TEXTURE_RECTANGLE_NV)) {
+ /* non-proxy target */
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLint ifmt;
-
- ifmt = get_specific_compressed_tex_format(ctx, internalFormat, 2,
- &level,
- &width, &height, 0,
- &border, &format, &type);
- if (ifmt < 0) {
- /*
- * The error here is that we were sent a generic compressed
- * format, but the extension is not supported.
- */
- return;
- }
- else {
- internalFormat = ifmt;
- }
if (texture_error_check(ctx, target, level, internalFormat,
format, type, 2, postConvWidth, postConvHeight,
1, border)) {
- return; /* error in texture image was detected */
+ return; /* error was recorded */
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
- texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
-
+ texImage = _mesa_get_tex_image(ctx, texUnit, target, level);
if (!texImage) {
- texImage = _mesa_alloc_texture_image();
- set_tex_image(texObj, target, level, texImage);
- /*texObj->Image[level] = texImage;*/
- if (!texImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
- return;
- }
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+ return;
}
- else if (texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
+ else if (texImage->Data && !texImage->IsClientData) {
+ /* free the old texture data */
+ MESA_PBUFFER_FREE(texImage->Data);
}
+ texImage->Data = NULL;
+ clear_teximage_fields(texImage); /* not really needed, but helpful */
+ _mesa_init_teximage_fields(ctx, target, texImage,
+ postConvWidth, postConvHeight, 1,
+ border, internalFormat);
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, postConvWidth, postConvHeight,
- 1, border, internalFormat);
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
+ ASSERT(ctx->Driver.TexImage2D);
- /* process the texture image */
- if (pixels) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (!ctx->ImageTransferState && ctx->Driver.TexImage2D) {
- /* let device driver try to use raw image */
- success = (*ctx->Driver.TexImage2D)( ctx, target, level, format,
- type, pixels, &ctx->Unpack,
- texObj, texImage, &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- make_texture_image(ctx, 2, texImage, width, height, 1,
- format, type, pixels, &ctx->Unpack);
- if (!success && ctx->Driver.TexImage2D) {
- /* let device driver try to use unpacked image */
- (*ctx->Driver.TexImage2D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
- else {
- make_null_texture(texImage);
- if (ctx->Driver.TexImage2D) {
- GLboolean retain;
- (*ctx->Driver.TexImage2D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
- }
- }
+ /* Give the texture to the driver! <pixels> may be null! */
+ (*ctx->Driver.TexImage2D)(ctx, target, level, internalFormat,
+ width, height, border, format, type, pixels,
+ &ctx->Unpack, texObj, texImage);
-#define OLD_DD_TEXTURE
-#ifdef OLD_DD_TEXTURE
- /* XXX this will be removed in the future */
- if (ctx->Driver.TexImage) {
- (*ctx->Driver.TexImage)( ctx, target, texObj, level, internalFormat,
- texImage );
- }
-#endif
+ ASSERT(texImage->TexFormat);
+
+ /* If driver didn't explicitly set these, use the defaults */
+ if (!texImage->FetchTexelc)
+ texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D;
+ if (!texImage->FetchTexelf)
+ texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df;
+ ASSERT(texImage->FetchTexelc);
+ ASSERT(texImage->FetchTexelf);
/* state update */
- gl_put_texobj_on_dirty_list( ctx, texObj );
+ texObj->Complete = GL_FALSE;
ctx->NewState |= _NEW_TEXTURE;
}
- else if (target == GL_PROXY_TEXTURE_2D) {
+ else if (target == GL_PROXY_TEXTURE_2D ||
+ (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB &&
+ ctx->Extensions.ARB_texture_cube_map) ||
+ (target == GL_PROXY_TEXTURE_RECTANGLE_NV &&
+ ctx->Extensions.NV_texture_rectangle)) {
/* Proxy texture: check for errors and update proxy state */
- GLenum error = texture_error_check(ctx, target, level, internalFormat,
- format, type, 2, width, height, 1, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
- error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
- internalFormat, format, type,
- width, height, 1, border);
- }
- if (error) {
- /* if error, clear all proxy texture image parameters */
- if (level>=0 && level<ctx->Const.MaxTextureLevels) {
- clear_proxy_teximage(ctx->Texture.Proxy2D->Image[level]);
- }
+ struct gl_texture_image *texImage;
+ texImage = _mesa_get_proxy_tex_image(ctx, target, level);
+ if (texture_error_check(ctx, target, level, internalFormat,
+ format, type, 2, postConvWidth, postConvHeight,
+ 1, border)) {
+ /* when error, clear all proxy texture image parameters */
+ if (texImage)
+ clear_teximage_fields(ctx->Texture.Proxy2D->Image[0][level]);
}
else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx,
- ctx->Texture.Proxy2D->Image[level],
- width, height, 1, border, internalFormat);
+ /* no error, set the tex image parameters */
+ _mesa_init_teximage_fields(ctx, target, texImage,
+ postConvWidth, postConvHeight, 1,
+ border, internalFormat);
+ texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
+ internalFormat, format, type);
}
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexImage2D(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage2D(target)" );
return;
}
}
* Called by the API or display list executor.
* Note that width and height include the border.
*/
-void
+void GLAPIENTRY
_mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
GLsizei width, GLsizei height, GLsizei depth,
GLint border, GLenum format, GLenum type,
const GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexImage3D");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (target==GL_TEXTURE_3D_EXT) {
+ if (target == GL_TEXTURE_3D) {
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLint ifmt;
-
- ifmt = get_specific_compressed_tex_format(ctx, internalFormat, 3,
- &level,
- &width, &height, &depth,
- &border, &format, &type);
- if (ifmt < 0) {
- /*
- * The error here is that we were sent a generic compressed
- * format, but the extension is not supported.
- */
- return;
- }
- else {
- internalFormat = ifmt;
- }
- if (texture_error_check(ctx, target, level, internalFormat,
+ if (texture_error_check(ctx, target, level, (GLint) internalFormat,
format, type, 3, width, height, depth, border)) {
- return; /* error in texture image was detected */
+ return; /* error was recorded */
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->CurrentD[3];
- texImage = texObj->Image[level];
-
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_get_tex_image(ctx, texUnit, target, level);
if (!texImage) {
- texImage = _mesa_alloc_texture_image();
- texObj->Image[level] = texImage;
- if (!texImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
- return;
- }
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
+ return;
}
- else if (texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
+ else if (texImage->Data && !texImage->IsClientData) {
+ MESA_PBUFFER_FREE(texImage->Data);
}
+ texImage->Data = NULL;
+ clear_teximage_fields(texImage); /* not really needed, but helpful */
+ _mesa_init_teximage_fields(ctx, target, texImage,
+ width, height, depth,
+ border, internalFormat);
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, width, height, depth,
- border, internalFormat);
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
+ ASSERT(ctx->Driver.TexImage3D);
- /* process the texture image */
- if (pixels) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (!ctx->ImageTransferState && ctx->Driver.TexImage3D) {
- /* let device driver try to use raw image */
- success = (*ctx->Driver.TexImage3D)( ctx, target, level, format,
- type, pixels, &ctx->Unpack,
- texObj, texImage, &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- make_texture_image(ctx, 3, texImage, width, height, depth,
- format, type, pixels, &ctx->Unpack);
- if (!success && ctx->Driver.TexImage3D) {
- /* let device driver try to use unpacked image */
- (*ctx->Driver.TexImage3D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
- else {
- make_null_texture(texImage);
- if (ctx->Driver.TexImage3D) {
- GLboolean retain;
- (*ctx->Driver.TexImage3D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing,
- texObj, texImage, &retain);
- }
- }
+ /* Give the texture to the driver! <pixels> may be null! */
+ (*ctx->Driver.TexImage3D)(ctx, target, level, internalFormat,
+ width, height, depth, border, format, type,
+ pixels, &ctx->Unpack, texObj, texImage);
+
+ ASSERT(texImage->TexFormat);
+
+ /* If driver didn't explicitly set these, use the defaults */
+ if (!texImage->FetchTexelc)
+ texImage->FetchTexelc = texImage->TexFormat->FetchTexel3D;
+ if (!texImage->FetchTexelf)
+ texImage->FetchTexelf = texImage->TexFormat->FetchTexel3Df;
+ ASSERT(texImage->FetchTexelc);
+ ASSERT(texImage->FetchTexelf);
/* state update */
- gl_put_texobj_on_dirty_list( ctx, texObj );
+ texObj->Complete = GL_FALSE;
ctx->NewState |= _NEW_TEXTURE;
}
else if (target == GL_PROXY_TEXTURE_3D) {
/* Proxy texture: check for errors and update proxy state */
- GLenum error = texture_error_check(ctx, target, level, internalFormat,
- format, type, 3, width, height, depth, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
- error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
- internalFormat, format, type,
- width, height, depth, border);
- }
- if (error) {
- /* if error, clear all proxy texture image parameters */
- if (level>=0 && level<ctx->Const.MaxTextureLevels) {
- clear_proxy_teximage(ctx->Texture.Proxy3D->Image[level]);
- }
+ struct gl_texture_image *texImage;
+ texImage = _mesa_get_proxy_tex_image(ctx, target, level);
+ if (texture_error_check(ctx, target, level, internalFormat,
+ format, type, 3, width, height, depth, border)) {
+ /* when error, clear all proxy texture image parameters */
+ if (texImage)
+ clear_teximage_fields(texImage);
}
else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx, ctx->Texture.Proxy3D->Image[level],
- width, height, depth, border, internalFormat);
+ /* no error, set the tex image parameters */
+ _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1,
+ border, internalFormat);
+ texImage->TexFormat = (*ctx->Driver.ChooseTextureFormat)(ctx,
+ internalFormat, format, type);
}
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" );
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" );
return;
}
}
-void
+void GLAPIENTRY
_mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat,
GLsizei width, GLsizei height, GLsizei depth,
GLint border, GLenum format, GLenum type,
}
-/*
- * Fetch a texture image from the device driver.
- * Store the results in the given texture object at the given mipmap level.
- */
-void
-_mesa_get_teximage_from_driver( GLcontext *ctx, GLenum target, GLint level,
- const struct gl_texture_object *texObj )
+
+void GLAPIENTRY
+_mesa_TexSubImage1D( GLenum target, GLint level,
+ GLint xoffset, GLsizei width,
+ GLenum format, GLenum type,
+ const GLvoid *pixels )
{
- GLvoid *image;
- GLenum imgFormat, imgType;
- GLboolean freeImage;
+ GLsizei postConvWidth = width;
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLint destComponents, numPixels, srcBytesPerTexel;
-
- if (!ctx->Driver.GetTexImage)
- return;
-
- image = (*ctx->Driver.GetTexImage)( ctx, target, level, texObj,
- &imgFormat, &imgType, &freeImage);
- if (!image)
- return;
-
- texImage = texObj->Image[level];
- ASSERT(texImage);
- if (!texImage)
- return;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- destComponents = components_in_intformat(texImage->Format);
- assert(destComponents > 0);
- numPixels = texImage->Width * texImage->Height * texImage->Depth;
- assert(numPixels > 0);
- srcBytesPerTexel = _mesa_bytes_per_pixel(imgFormat, imgType);
- assert(srcBytesPerTexel > 0);
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
- if (!texImage->Data) {
- /* Allocate memory for the texture image data */
- texImage->Data = (GLchan *) MALLOC(numPixels * destComponents
- * sizeof(GLchan) + EXTRA_BYTE);
+ /* XXX should test internal format */
+ if (is_color_format(format)) {
+ _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
}
- if (imgFormat == texImage->Format && imgType == GL_UNSIGNED_BYTE) {
- /* We got lucky! The driver's format and type match Mesa's format. */
- if (texImage->Data) {
- MEMCPY(texImage->Data, image, numPixels * destComponents);
- }
- }
- else {
- /* Convert the texture image from the driver's format to Mesa's
- * internal format.
- */
- const GLint width = texImage->Width;
- const GLint height = texImage->Height;
- const GLint depth = texImage->Depth;
- const GLint destBytesPerRow = width * destComponents * sizeof(GLchan);
- const GLint srcBytesPerRow = width * srcBytesPerTexel;
- const GLenum dstType = GL_UNSIGNED_BYTE;
- const GLenum dstFormat = texImage->Format;
- const GLchan *srcPtr = (const GLchan *) image;
- GLchan *destPtr = texImage->Data;
-
- if (texImage->Format == GL_COLOR_INDEX) {
- /* color index texture */
- GLint img, row;
- assert(imgFormat == GL_COLOR_INDEX);
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- _mesa_unpack_index_span(ctx, width, dstType, destPtr,
- imgType, srcPtr, &_mesa_native_packing, GL_FALSE);
- destPtr += destBytesPerRow;
- srcPtr += srcBytesPerRow;
- }
- }
- }
- else {
- /* color texture */
- GLint img, row;
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- _mesa_unpack_chan_color_span(ctx, width, dstFormat, destPtr,
- imgFormat, imgType, srcPtr, &_mesa_native_packing, GL_FALSE);
- destPtr += destBytesPerRow;
- srcPtr += srcBytesPerRow;
- }
- }
- }
+ if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0,
+ postConvWidth, 1, 1, format, type)) {
+ return; /* error was detected */
}
- if (freeImage)
- FREE(image);
-}
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+ assert(texImage);
+ if (width == 0 || !pixels)
+ return; /* no-op, not an error */
-/*
- * Get all the mipmap images for a texture object from the device driver.
- * Actually, only get mipmap images if we're using a mipmap filter.
- */
-GLboolean
-_mesa_get_teximages_from_driver(GLcontext *ctx,
- struct gl_texture_object *texObj)
-{
- if (ctx->Driver.GetTexImage) {
- static const GLenum targets[] = {
- GL_TEXTURE_1D,
- GL_TEXTURE_2D,
- GL_TEXTURE_3D,
- GL_TEXTURE_CUBE_MAP_ARB,
- GL_TEXTURE_CUBE_MAP_ARB,
- GL_TEXTURE_CUBE_MAP_ARB
- };
- GLboolean needLambda = (texObj->MinFilter != texObj->MagFilter);
- GLenum target = targets[texObj->Dimensions - 1];
- if (needLambda) {
- GLint level;
- /* Get images for all mipmap levels. We might not need them
- * all but this is easier. We're on a (slow) software path
- * anyway.
- */
- for (level = 0; level <= texObj->P; level++) {
- struct gl_texture_image *texImg = texObj->Image[level];
- if (texImg && !texImg->Data) {
- _mesa_get_teximage_from_driver(ctx, target, level, texObj);
- if (!texImg->Data)
- return GL_FALSE; /* out of memory */
- }
- }
- }
- else {
- GLint level = texObj->BaseLevel;
- struct gl_texture_image *texImg = texObj->Image[level];
- if (texImg && !texImg->Data) {
- _mesa_get_teximage_from_driver(ctx, target, level, texObj);
- if (!texImg->Data)
- return GL_FALSE; /* out of memory */
- }
- }
- return GL_TRUE;
- }
- return GL_FALSE;
-}
+ /* If we have a border, xoffset=-1 is legal. Bias by border width */
+ xoffset += texImage->Border;
+ ASSERT(ctx->Driver.TexSubImage1D);
+ (*ctx->Driver.TexSubImage1D)(ctx, target, level, xoffset, width,
+ format, type, pixels, &ctx->Unpack,
+ texObj, texImage);
+ ctx->NewState |= _NEW_TEXTURE;
+}
-void
-_mesa_GetTexImage( GLenum target, GLint level, GLenum format,
- GLenum type, GLvoid *pixels )
+void GLAPIENTRY
+_mesa_TexSubImage2D( GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const GLvoid *pixels )
{
- GET_CURRENT_CONTEXT(ctx);
- const struct gl_texture_unit *texUnit;
- const struct gl_texture_object *texObj;
+ GLsizei postConvWidth = width, postConvHeight = height;
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean discardImage;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexImage");
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
- gl_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
- return;
- }
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
- if (_mesa_sizeof_type(type) <= 0) {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
- return;
+ /* XXX should test internal format */
+ if (is_color_format(format)) {
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
+ &postConvHeight);
}
- if (_mesa_components_in_format(format) <= 0) {
- gl_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
- return;
+ if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
+ postConvWidth, postConvHeight, 1, format, type)) {
+ return; /* error was detected */
}
- if (!pixels)
- return;
-
- texUnit = &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
- if (!texObj || !texImage ||
- target == GL_PROXY_TEXTURE_1D ||
- target == GL_PROXY_TEXTURE_2D ||
- target == GL_PROXY_TEXTURE_3D) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
- return;
- }
-
- if (!texImage) {
- /* invalid mipmap level */
- return;
- }
-
- if (!texImage->Data) {
- /* try to get the texture image from the device driver */
- _mesa_get_teximage_from_driver(ctx, target, level, texObj);
- discardImage = GL_TRUE;
- }
- else {
- discardImage = GL_FALSE;
- }
-
- if (texImage->Data) {
- GLint width = texImage->Width;
- GLint height = texImage->Height;
- GLint depth = texImage->Depth;
- GLint img, row;
-
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
-
- if (ctx->ImageTransferState & IMAGE_CONVOLUTION_BIT) {
- /* convert texture image to GL_RGBA, GL_FLOAT */
- GLfloat *tmpImage, *convImage;
- const GLint comps = components_in_intformat(texImage->Format);
-
- tmpImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat));
- if (!tmpImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
- return;
- }
- convImage = (GLfloat *) MALLOC(width * height * 4 * sizeof(GLfloat));
- if (!convImage) {
- FREE(tmpImage);
- gl_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
- return;
- }
-
- for (img = 0; img < depth; img++) {
- GLint convWidth, convHeight;
-
- /* convert to GL_RGBA */
- for (row = 0; row < height; row++) {
- const GLchan *src = texImage->Data
- + (img * height + row ) * width * comps;
- GLfloat *dst = tmpImage + row * width * 4;
- _mesa_unpack_float_color_span(ctx, width, GL_RGBA, dst,
- texImage->Format, GL_UNSIGNED_BYTE,
- src, &_mesa_native_packing,
- ctx->ImageTransferState & IMAGE_PRE_CONVOLUTION_BITS,
- GL_FALSE);
- }
-
- convWidth = width;
- convHeight = height;
+ assert(texImage);
- /* convolve */
- if (target == GL_TEXTURE_1D) {
- if (ctx->Pixel.Convolution1DEnabled) {
- _mesa_convolve_1d_image(ctx, &convWidth, tmpImage, convImage);
- }
- }
- else {
- if (ctx->Pixel.Convolution2DEnabled) {
- _mesa_convolve_2d_image(ctx, &convWidth, &convHeight,
- tmpImage, convImage);
- }
- else if (ctx->Pixel.Separable2DEnabled) {
- _mesa_convolve_sep_image(ctx, &convWidth, &convHeight,
- tmpImage, convImage);
- }
- }
+ if (width == 0 || height == 0 || !pixels)
+ return; /* no-op, not an error */
- /* pack convolved image */
- for (row = 0; row < convHeight; row++) {
- const GLfloat *src = convImage + row * convWidth * 4;
- GLvoid *dest = _mesa_image_address(&ctx->Pack, pixels,
- convWidth, convHeight,
- format, type, img, row, 0);
- _mesa_pack_float_rgba_span(ctx, convWidth,
- (const GLfloat(*)[4]) src,
- format, type, dest, &ctx->Pack,
- ctx->ImageTransferState & IMAGE_POST_CONVOLUTION_BITS);
- }
- }
+ /* If we have a border, xoffset=-1 is legal. Bias by border width */
+ xoffset += texImage->Border;
+ yoffset += texImage->Border;
- FREE(tmpImage);
- FREE(convImage);
- }
- else {
- /* no convolution */
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- /* compute destination address in client memory */
- GLvoid *dest = _mesa_image_address( &ctx->Unpack, pixels,
- width, height, format, type, img, row, 0);
- assert(dest);
- if (texImage->Format == GL_RGBA) {
- /* simple case */
- const GLchan *src = texImage->Data
- + (img * height + row ) * width * 4;
- _mesa_pack_rgba_span( ctx, width, (CONST GLchan (*)[4]) src,
- format, type, dest, &ctx->Pack,
- ctx->ImageTransferState );
- }
- else {
- /* general case: convert row to RGBA format */
- GLchan rgba[MAX_WIDTH][4];
- GLint i;
- const GLchan *src;
- switch (texImage->Format) {
- case GL_ALPHA:
- src = texImage->Data + row * width;
- for (i = 0; i < width; i++) {
- rgba[i][RCOMP] = CHAN_MAX;
- rgba[i][GCOMP] = CHAN_MAX;
- rgba[i][BCOMP] = CHAN_MAX;
- rgba[i][ACOMP] = src[i];
- }
- break;
- case GL_LUMINANCE:
- src = texImage->Data + row * width;
- for (i = 0; i < width; i++) {
- rgba[i][RCOMP] = src[i];
- rgba[i][GCOMP] = src[i];
- rgba[i][BCOMP] = src[i];
- rgba[i][ACOMP] = CHAN_MAX;
- }
- break;
- case GL_LUMINANCE_ALPHA:
- src = texImage->Data + row * 2 * width;
- for (i = 0; i < width; i++) {
- rgba[i][RCOMP] = src[i*2+0];
- rgba[i][GCOMP] = src[i*2+0];
- rgba[i][BCOMP] = src[i*2+0];
- rgba[i][ACOMP] = src[i*2+1];
- }
- break;
- case GL_INTENSITY:
- src = texImage->Data + row * width;
- for (i = 0; i < width; i++) {
- rgba[i][RCOMP] = src[i];
- rgba[i][GCOMP] = src[i];
- rgba[i][BCOMP] = src[i];
- rgba[i][ACOMP] = CHAN_MAX;
- }
- break;
- case GL_RGB:
- src = texImage->Data + row * 3 * width;
- for (i = 0; i < width; i++) {
- rgba[i][RCOMP] = src[i*3+0];
- rgba[i][GCOMP] = src[i*3+1];
- rgba[i][BCOMP] = src[i*3+2];
- rgba[i][ACOMP] = CHAN_MAX;
- }
- break;
- case GL_COLOR_INDEX:
- gl_problem( ctx, "GL_COLOR_INDEX not implemented in gl_GetTexImage" );
- break;
- case GL_RGBA:
- default:
- gl_problem( ctx, "bad format in gl_GetTexImage" );
- }
- _mesa_pack_rgba_span( ctx, width, (const GLchan (*)[4])rgba,
- format, type, dest, &ctx->Pack,
- ctx->ImageTransferState );
- } /* format */
- } /* row */
- } /* img */
- } /* convolution */
-
- /* if we got the teximage from the device driver we'll discard it now */
- if (discardImage) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
+ ASSERT(ctx->Driver.TexSubImage2D);
+ (*ctx->Driver.TexSubImage2D)(ctx, target, level, xoffset, yoffset,
+ width, height, format, type, pixels,
+ &ctx->Unpack, texObj, texImage);
+ ctx->NewState |= _NEW_TEXTURE;
}
-void
-_mesa_TexSubImage1D( GLenum target, GLint level,
- GLint xoffset, GLsizei width,
+void GLAPIENTRY
+_mesa_TexSubImage3D( GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type,
const GLvoid *pixels )
{
- GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
- GLsizei postConvWidth;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- postConvWidth = width;
- adjust_texture_size_for_convolution(ctx, 1, &postConvWidth, NULL);
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
- if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0,
- postConvWidth, 1, 1, format, type)) {
+ if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset,
+ width, height, depth, format, type)) {
return; /* error was detected */
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->CurrentD[1];
- texImage = texObj->Image[level];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
assert(texImage);
- if (width == 0 || !pixels)
+ if (width == 0 || height == 0 || height == 0 || !pixels)
return; /* no-op, not an error */
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
-
- if (!ctx->ImageTransferState && ctx->Driver.TexSubImage1D) {
- success = (*ctx->Driver.TexSubImage1D)( ctx, target, level, xoffset,
- width, format, type, pixels,
- &ctx->Unpack, texObj, texImage );
- }
- if (!success) {
- /* XXX if Driver.TexSubImage1D, unpack image and try again? */
- GLboolean retain = GL_TRUE;
- if (!texImage->Data) {
- _mesa_get_teximage_from_driver( ctx, target, level, texObj );
- if (!texImage->Data) {
- make_null_texture(texImage);
- }
- if (!texImage->Data)
- return; /* we're really out of luck! */
- }
-
- fill_texture_image(ctx, 1, texImage->Format, texImage->Data,
- width, 1, 1, xoffset, 0, 0, /* size and offsets */
- 0, 0, /* strides */
- format, type, pixels, &ctx->Unpack);
-
- if (ctx->Driver.TexImage1D) {
- (*ctx->Driver.TexImage1D)( ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing, texObj, texImage,
- &retain );
- }
-
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
+ /* If we have a border, xoffset=-1 is legal. Bias by border width */
+ xoffset += texImage->Border;
+ yoffset += texImage->Border;
+ zoffset += texImage->Border;
+
+ ASSERT(ctx->Driver.TexSubImage3D);
+ (*ctx->Driver.TexSubImage3D)(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, type, pixels,
+ &ctx->Unpack, texObj, texImage );
+ ctx->NewState |= _NEW_TEXTURE;
}
-void
-_mesa_TexSubImage2D( GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const GLvoid *pixels )
+
+void GLAPIENTRY
+_mesa_CopyTexImage1D( GLenum target, GLint level,
+ GLenum internalFormat,
+ GLint x, GLint y,
+ GLsizei width, GLint border )
{
- GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
- GLsizei postConvWidth, postConvHeight;
+ GLsizei postConvWidth = width;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- postConvWidth = width;
- postConvHeight = height;
- adjust_texture_size_for_convolution(ctx, 2, &postConvWidth,&postConvHeight);
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
- if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
- postConvWidth, postConvHeight, 1, format, type)) {
- return; /* error was detected */
+ if (is_color_format(internalFormat)) {
+ _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
}
+ if (copytexture_error_check(ctx, 1, target, level, internalFormat,
+ postConvWidth, 1, border))
+ return;
+
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
- texImage = texObj->Image[level];
- assert(texImage);
-
- if (width == 0 || height == 0 || !pixels)
- return; /* no-op, not an error */
-
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
-
- if (!ctx->ImageTransferState && ctx->Driver.TexSubImage2D) {
- success = (*ctx->Driver.TexSubImage2D)( ctx, target, level, xoffset,
- yoffset, width, height, format, type,
- pixels, &ctx->Unpack, texObj, texImage );
+ texImage = _mesa_get_tex_image(ctx, texUnit, target, level);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D");
+ return;
+ }
+ else if (texImage->Data && !texImage->IsClientData) {
+ /* free the old texture data */
+ MESA_PBUFFER_FREE(texImage->Data);
}
- if (!success) {
- /* XXX if Driver.TexSubImage2D, unpack image and try again? */
- const GLint texComps = components_in_intformat(texImage->Format);
- const GLint texRowStride = texImage->Width * texComps;
- GLboolean retain = GL_TRUE;
+ texImage->Data = NULL;
- if (!texImage->Data) {
- _mesa_get_teximage_from_driver( ctx, target, level, texObj );
- if (!texImage->Data) {
- make_null_texture(texImage);
- }
- if (!texImage->Data)
- return; /* we're really out of luck! */
- }
+ clear_teximage_fields(texImage); /* not really needed, but helpful */
+ _mesa_init_teximage_fields(ctx, target, texImage, postConvWidth, 1, 1,
+ border, internalFormat);
- fill_texture_image(ctx, 2, texImage->Format, texImage->Data,
- width, height, 1, xoffset, yoffset, 0,
- texRowStride, 0,
- format, type, pixels, &ctx->Unpack);
- if (ctx->Driver.TexImage2D) {
- (*ctx->Driver.TexImage2D)(ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing, texObj, texImage,
- &retain);
- }
+ ASSERT(ctx->Driver.CopyTexImage1D);
+ (*ctx->Driver.CopyTexImage1D)(ctx, target, level, internalFormat,
+ x, y, width, border);
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
+ ASSERT(texImage->TexFormat);
-#ifdef OLD_DD_TEXTURE
- /* XXX this will be removed in the future */
- if (ctx->Driver.TexSubImage) {
- (*ctx->Driver.TexSubImage)(ctx, target, texObj, level,
- xoffset, yoffset, width, height,
- texImage->IntFormat, texImage);
- }
- else if (ctx->Driver.TexImage) {
- (*ctx->Driver.TexImage)(ctx, GL_TEXTURE_2D, texObj,
- level, texImage->IntFormat, texImage );
- }
-#endif
- }
+ /* If driver didn't explicitly set these, use the defaults */
+ if (!texImage->FetchTexelc)
+ texImage->FetchTexelc = texImage->TexFormat->FetchTexel1D;
+ if (!texImage->FetchTexelf)
+ texImage->FetchTexelf = texImage->TexFormat->FetchTexel1Df;
+ ASSERT(texImage->FetchTexelc);
+ ASSERT(texImage->FetchTexelf);
+
+ /* state update */
+ texObj->Complete = GL_FALSE;
+ ctx->NewState |= _NEW_TEXTURE;
}
-void
-_mesa_TexSubImage3D( GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format, GLenum type,
- const GLvoid *pixels )
+void GLAPIENTRY
+_mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLint border )
{
- GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
+ GLsizei postConvWidth = width, postConvHeight = height;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset,
- width, height, depth, format, type)) {
- return; /* error was detected */
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
+
+ if (is_color_format(internalFormat)) {
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
+ &postConvHeight);
}
+ if (copytexture_error_check(ctx, 2, target, level, internalFormat,
+ postConvWidth, postConvHeight, border))
+ return;
+
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->CurrentD[3];
- texImage = texObj->Image[level];
- assert(texImage);
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_get_tex_image(ctx, texUnit, target, level);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D");
+ return;
+ }
+ else if (texImage->Data && !texImage->IsClientData) {
+ /* free the old texture data */
+ MESA_PBUFFER_FREE(texImage->Data);
+ }
+ texImage->Data = NULL;
- if (width == 0 || height == 0 || height == 0 || !pixels)
- return; /* no-op, not an error */
+ clear_teximage_fields(texImage); /* not really needed, but helpful */
+ _mesa_init_teximage_fields(ctx, target, texImage,
+ postConvWidth, postConvHeight, 1,
+ border, internalFormat);
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
-
- if (!ctx->ImageTransferState && ctx->Driver.TexSubImage3D) {
- success = (*ctx->Driver.TexSubImage3D)( ctx, target, level, xoffset,
- yoffset, zoffset, width, height, depth, format,
- type, pixels, &ctx->Unpack, texObj, texImage );
- }
- if (!success) {
- /* XXX if Driver.TexSubImage3D, unpack image and try again? */
- const GLint texComps = components_in_intformat(texImage->Format);
- const GLint texRowStride = texImage->Width * texComps;
- const GLint texImgStride = texRowStride * texImage->Height;
- GLboolean retain = GL_TRUE;
-
- if (!texImage->Data) {
- _mesa_get_teximage_from_driver( ctx, target, level, texObj );
- if (!texImage->Data) {
- make_null_texture(texImage);
- }
- if (!texImage->Data)
- return; /* we're really out of luck! */
- }
+ ASSERT(ctx->Driver.CopyTexImage2D);
+ (*ctx->Driver.CopyTexImage2D)(ctx, target, level, internalFormat,
+ x, y, width, height, border);
- fill_texture_image(ctx, 3, texImage->Format, texImage->Data,
- width, height, depth, xoffset, yoffset, zoffset,
- texRowStride, texImgStride,
- format, type, pixels, &ctx->Unpack);
+ ASSERT(texImage->TexFormat);
- if (ctx->Driver.TexImage3D) {
- (*ctx->Driver.TexImage3D)(ctx, target, level, texImage->Format,
- GL_UNSIGNED_BYTE, texImage->Data,
- &_mesa_native_packing, texObj, texImage,
- &retain);
- }
+ /* If driver didn't explicitly set these, use the defaults */
+ if (!texImage->FetchTexelc)
+ texImage->FetchTexelc = texImage->TexFormat->FetchTexel2D;
+ if (!texImage->FetchTexelf)
+ texImage->FetchTexelf = texImage->TexFormat->FetchTexel2Df;
+ ASSERT(texImage->FetchTexelc);
+ ASSERT(texImage->FetchTexelf);
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
+ /* state update */
+ texObj->Complete = GL_FALSE;
+ ctx->NewState |= _NEW_TEXTURE;
}
-/*
- * Read an RGBA image from the frame buffer.
- * This is used by glCopyTex[Sub]Image[12]D().
- * Input: ctx - the context
- * x, y - lower left corner
- * width, height - size of region to read
- * Return: pointer to block of GL_RGBA, GLchan data.
- */
-static GLchan *
-read_color_image( GLcontext *ctx, GLint x, GLint y,
- GLsizei width, GLsizei height )
+void GLAPIENTRY
+_mesa_CopyTexSubImage1D( GLenum target, GLint level,
+ GLint xoffset, GLint x, GLint y, GLsizei width )
{
- GLint stride, i;
- GLchan *image, *dst;
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_image *texImage;
+ GLsizei postConvWidth = width;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- image = (GLchan *) MALLOC(width * height * 4 * sizeof(GLchan));
- if (!image)
- return NULL;
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
- /* Select buffer to read from */
- (*ctx->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer,
- ctx->Pixel.DriverReadBuffer );
+ /* XXX should test internal format */
+ _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
- dst = image;
- stride = width * 4;
- for (i = 0; i < height; i++) {
- gl_read_rgba_span( ctx, ctx->ReadBuffer, width, x, y + i,
- (GLchan (*)[4]) dst );
- dst += stride;
- }
+ if (copytexsubimage_error_check(ctx, 1, target, level,
+ xoffset, 0, 0, postConvWidth, 1))
+ return;
- /* Read from draw buffer (the default) */
- (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer,
- ctx->Color.DriverDrawBuffer );
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+ ASSERT(texImage);
- return image;
+ /* If we have a border, xoffset=-1 is legal. Bias by border width */
+ xoffset += texImage->Border;
+
+ ASSERT(ctx->Driver.CopyTexSubImage1D);
+ (*ctx->Driver.CopyTexSubImage1D)(ctx, target, level, xoffset, x, y, width);
+ ctx->NewState |= _NEW_TEXTURE;
}
-void
-_mesa_CopyTexImage1D( GLenum target, GLint level,
- GLenum internalFormat,
- GLint x, GLint y,
- GLsizei width, GLint border )
+void GLAPIENTRY
+_mesa_CopyTexSubImage2D( GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLint x, GLint y, GLsizei width, GLsizei height )
{
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_image *texImage;
+ GLsizei postConvWidth = width, postConvHeight = height;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyTexImage1D");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (copytexture_error_check(ctx, 1, target, level, internalFormat,
- width, 1, border))
- return;
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
+ /* XXX should test internal format */
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, &postConvHeight);
- if (ctx->ImageTransferState || !ctx->Driver.CopyTexImage1D
- || !(*ctx->Driver.CopyTexImage1D)(ctx, target, level,
- internalFormat, x, y, width, border)) {
- struct gl_pixelstore_attrib unpackSave;
+ if (copytexsubimage_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
+ postConvWidth, postConvHeight))
+ return;
- /* get image from framebuffer */
- GLchan *image = read_color_image( ctx, x, y, width, 1 );
- if (!image) {
- gl_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D" );
- return;
- }
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+ ASSERT(texImage);
- /* call glTexImage1D to redefine the texture */
- unpackSave = ctx->Unpack;
- ctx->Unpack = _mesa_native_packing;
- (*ctx->Exec->TexImage1D)( target, level, internalFormat, width,
- border, GL_RGBA, GL_UNSIGNED_BYTE, image );
- ctx->Unpack = unpackSave;
+ /* If we have a border, xoffset=-1 is legal. Bias by border width */
+ xoffset += texImage->Border;
+ yoffset += texImage->Border;
- FREE(image);
- }
+ ASSERT(ctx->Driver.CopyTexSubImage2D);
+ (*ctx->Driver.CopyTexSubImage2D)(ctx, target, level,
+ xoffset, yoffset, x, y, width, height);
+ ctx->NewState |= _NEW_TEXTURE;
}
-void
-_mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLint border )
+void GLAPIENTRY
+_mesa_CopyTexSubImage3D( GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint x, GLint y, GLsizei width, GLsizei height )
{
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_image *texImage;
+ GLsizei postConvWidth = width, postConvHeight = height;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyTexImage2D");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (copytexture_error_check(ctx, 2, target, level, internalFormat,
- width, height, border))
- return;
+ if (ctx->NewState & _IMAGE_NEW_TRANSFER_STATE)
+ _mesa_update_state(ctx);
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
+ /* XXX should test internal format */
+ _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth, &postConvHeight);
- if (ctx->ImageTransferState || !ctx->Driver.CopyTexImage2D
- || !(*ctx->Driver.CopyTexImage2D)(ctx, target, level,
- internalFormat, x, y, width, height, border)) {
- struct gl_pixelstore_attrib unpackSave;
+ if (copytexsubimage_error_check(ctx, 3, target, level, xoffset, yoffset,
+ zoffset, postConvWidth, postConvHeight))
+ return;
- /* get image from framebuffer */
- GLchan *image = read_color_image( ctx, x, y, width, height );
- if (!image) {
- gl_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D" );
- return;
- }
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+ ASSERT(texImage);
- /* call glTexImage2D to redefine the texture */
- unpackSave = ctx->Unpack;
- ctx->Unpack = _mesa_native_packing;
- (ctx->Exec->TexImage2D)( target, level, internalFormat, width,
- height, border, GL_RGBA, GL_UNSIGNED_BYTE, image );
- ctx->Unpack = unpackSave;
+ /* If we have a border, xoffset=-1 is legal. Bias by border width */
+ xoffset += texImage->Border;
+ yoffset += texImage->Border;
+ zoffset += texImage->Border;
- FREE(image);
- }
+ ASSERT(ctx->Driver.CopyTexSubImage3D);
+ (*ctx->Driver.CopyTexSubImage3D)(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ x, y, width, height);
+ ctx->NewState |= _NEW_TEXTURE;
}
-void
-_mesa_CopyTexSubImage1D( GLenum target, GLint level,
- GLint xoffset, GLint x, GLint y, GLsizei width )
+
+/**********************************************************************/
+/****** Compressed Textures ******/
+/**********************************************************************/
+
+
+/**
+ * Error checking for glCompressedTexImage[123]D().
+ * \return error code or GL_NO_ERROR.
+ */
+static GLenum
+compressed_texture_error_check(GLcontext *ctx, GLint dimensions,
+ GLenum target, GLint level,
+ GLenum internalFormat, GLsizei width,
+ GLsizei height, GLsizei depth, GLint border,
+ GLsizei imageSize)
{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyTexSubImage1D");
+ GLint expectedSize, maxLevels = 0, maxTextureSize;
- if (copytexsubimage_error_check(ctx, 1, target, level,
- xoffset, 0, 0, width, 1))
- return;
+ if (dimensions == 1) {
+ /* 1D compressed textures not allowed */
+ return GL_INVALID_ENUM;
+ }
+ else if (dimensions == 2) {
+ if (target == GL_PROXY_TEXTURE_2D) {
+ maxLevels = ctx->Const.MaxTextureLevels;
+ }
+ else if (target == GL_TEXTURE_2D) {
+ maxLevels = ctx->Const.MaxTextureLevels;
+ }
+ else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
+ if (!ctx->Extensions.ARB_texture_cube_map)
+ return GL_INVALID_ENUM; /*target*/
+ maxLevels = ctx->Const.MaxCubeTextureLevels;
+ }
+ else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
+ if (!ctx->Extensions.ARB_texture_cube_map)
+ return GL_INVALID_ENUM; /*target*/
+ maxLevels = ctx->Const.MaxCubeTextureLevels;
+ }
+ else {
+ return GL_INVALID_ENUM; /*target*/
+ }
+ }
+ else if (dimensions == 3) {
+ /* 3D compressed textures not allowed */
+ return GL_INVALID_ENUM;
+ }
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
+ maxTextureSize = 1 << (maxLevels - 1);
- if (ctx->ImageTransferState || !ctx->Driver.CopyTexSubImage1D
- || !(*ctx->Driver.CopyTexSubImage1D)(ctx, target, level,
- xoffset, x, y, width)) {
- struct gl_texture_unit *texUnit;
- struct gl_texture_image *teximage;
- struct gl_pixelstore_attrib unpackSave;
- GLchan *image;
+ if (!is_compressed_format(ctx, internalFormat))
+ return GL_INVALID_ENUM;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- teximage = texUnit->CurrentD[1]->Image[level];
- assert(teximage);
+ if (border != 0)
+ return GL_INVALID_VALUE;
- /* get image from frame buffer */
- image = read_color_image(ctx, x, y, width, 1);
- if (!image) {
- gl_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage2D" );
- return;
- }
-
- /* now call glTexSubImage1D to do the real work */
- unpackSave = ctx->Unpack;
- ctx->Unpack = _mesa_native_packing;
- _mesa_TexSubImage1D(target, level, xoffset, width,
- GL_RGBA, GL_UNSIGNED_BYTE, image);
- ctx->Unpack = unpackSave;
+ /*
+ * XXX We should probably use the proxy texture error check function here.
+ */
+ if (width < 1 || width > maxTextureSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two && logbase2(width) < 0))
+ return GL_INVALID_VALUE;
- FREE(image);
- }
-}
+ if ((height < 1 || height > maxTextureSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two && logbase2(height) < 0))
+ && dimensions > 1)
+ return GL_INVALID_VALUE;
+ if ((depth < 1 || depth > maxTextureSize ||
+ (!ctx->Extensions.ARB_texture_non_power_of_two && logbase2(depth) < 0))
+ && dimensions > 2)
+ return GL_INVALID_VALUE;
+ /* For cube map, width must equal height */
+ if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB && width != height)
+ return GL_INVALID_VALUE;
-void
-_mesa_CopyTexSubImage2D( GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLint x, GLint y, GLsizei width, GLsizei height )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyTexSubImage2D");
+ if (level < 0 || level >= maxLevels)
+ return GL_INVALID_VALUE;
- if (copytexsubimage_error_check(ctx, 2, target, level,
- xoffset, yoffset, 0, width, height))
- return;
+ expectedSize = _mesa_compressed_texture_size(ctx, width, height, depth,
+ internalFormat);
+ if (expectedSize != imageSize)
+ return GL_INVALID_VALUE;
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
+ return GL_NO_ERROR;
+}
- if (ctx->ImageTransferState || !ctx->Driver.CopyTexSubImage2D
- || !(*ctx->Driver.CopyTexSubImage2D)(ctx, target, level,
- xoffset, yoffset, x, y, width, height )) {
- struct gl_texture_unit *texUnit;
- struct gl_texture_image *teximage;
- struct gl_pixelstore_attrib unpackSave;
- GLchan *image;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- teximage = texUnit->CurrentD[2]->Image[level];
- assert(teximage);
+/**
+ * Error checking for glCompressedTexSubImage[123]D().
+ * \return error code or GL_NO_ERROR.
+ */
+static GLenum
+compressed_subtexture_error_check(GLcontext *ctx, GLint dimensions,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLenum format, GLsizei imageSize)
+{
+ GLint expectedSize, maxLevels = 0, maxTextureSize;
- /* get image from frame buffer */
- image = read_color_image(ctx, x, y, width, height);
- if (!image) {
- gl_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage2D" );
- return;
+ if (dimensions == 1) {
+ /* 1D compressed textures not allowed */
+ return GL_INVALID_ENUM;
+ }
+ else if (dimensions == 2) {
+ if (target == GL_PROXY_TEXTURE_2D) {
+ maxLevels = ctx->Const.MaxTextureLevels;
+ }
+ else if (target == GL_TEXTURE_2D) {
+ maxLevels = ctx->Const.MaxTextureLevels;
+ }
+ else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
+ if (!ctx->Extensions.ARB_texture_cube_map)
+ return GL_INVALID_ENUM; /*target*/
+ maxLevels = ctx->Const.MaxCubeTextureLevels;
+ }
+ else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
+ if (!ctx->Extensions.ARB_texture_cube_map)
+ return GL_INVALID_ENUM; /*target*/
+ maxLevels = ctx->Const.MaxCubeTextureLevels;
+ }
+ else {
+ return GL_INVALID_ENUM; /*target*/
}
-
- /* now call glTexSubImage2D to do the real work */
- unpackSave = ctx->Unpack;
- ctx->Unpack = _mesa_native_packing;
- _mesa_TexSubImage2D(target, level, xoffset, yoffset, width, height,
- GL_RGBA, GL_UNSIGNED_BYTE, image);
- ctx->Unpack = unpackSave;
-
- FREE(image);
}
-}
+ else if (dimensions == 3) {
+ /* 3D compressed textures not allowed */
+ return GL_INVALID_ENUM;
+ }
+ maxTextureSize = 1 << (maxLevels - 1);
+ if (!is_compressed_format(ctx, format))
+ return GL_INVALID_ENUM;
-void
-_mesa_CopyTexSubImage3D( GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint x, GLint y, GLsizei width, GLsizei height )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyTexSubImage3D");
+ if (width < 1 || width > maxTextureSize)
+ return GL_INVALID_VALUE;
- if (copytexsubimage_error_check(ctx, 3, target, level,
- xoffset, yoffset, zoffset, width, height))
- return;
+ if ((height < 1 || height > maxTextureSize)
+ && dimensions > 1)
+ return GL_INVALID_VALUE;
- if (ctx->NewState & _NEW_PIXEL)
- gl_update_state(ctx);
+ if (level < 0 || level >= maxLevels)
+ return GL_INVALID_VALUE;
- if (ctx->ImageTransferState || !ctx->Driver.CopyTexSubImage3D
- || !(*ctx->Driver.CopyTexSubImage3D)(ctx, target, level,
- xoffset, yoffset, zoffset, x, y, width, height )) {
- struct gl_texture_unit *texUnit;
- struct gl_texture_image *teximage;
- struct gl_pixelstore_attrib unpackSave;
- GLchan *image;
+ if ((xoffset & 3) != 0 || (yoffset & 3) != 0)
+ return GL_INVALID_VALUE;
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- teximage = texUnit->CurrentD[3]->Image[level];
- assert(teximage);
+ if ((width & 3) != 0 && width != 2 && width != 1)
+ return GL_INVALID_VALUE;
- /* get image from frame buffer */
- image = read_color_image(ctx, x, y, width, height);
- if (!image) {
- gl_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage2D" );
- return;
- }
+ if ((height & 3) != 0 && height != 2 && height != 1)
+ return GL_INVALID_VALUE;
- /* now call glTexSubImage2D to do the real work */
- unpackSave = ctx->Unpack;
- ctx->Unpack = _mesa_native_packing;
- _mesa_TexSubImage3D(target, level, xoffset, yoffset, zoffset,
- width, height, 1, GL_RGBA, GL_UNSIGNED_BYTE, image);
- ctx->Unpack = unpackSave;
-
- FREE(image);
- }
+ expectedSize = _mesa_compressed_texture_size(ctx, width, height, depth,
+ format);
+ if (expectedSize != imageSize)
+ return GL_INVALID_VALUE;
+
+ return GL_NO_ERROR;
}
-void
+void GLAPIENTRY
_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
GLenum internalFormat, GLsizei width,
GLint border, GLsizei imageSize,
const GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCompressedTexImage1DARB");
-
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA_ARB:
- case GL_COMPRESSED_LUMINANCE_ARB:
- case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
- case GL_COMPRESSED_INTENSITY_ARB:
- case GL_COMPRESSED_RGB_ARB:
- case GL_COMPRESSED_RGBA_ARB:
- gl_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage1DARB");
- return;
- default:
- /* silence compiler warning */
- ;
- }
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (target == GL_TEXTURE_1D) {
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLsizei computedImageSize;
-
- if (texture_error_check(ctx, target, level, internalFormat,
- GL_NONE, GL_NONE, 1, width, 1, 1, border)) {
- return; /* error in texture image was detected */
+ GLenum error = compressed_texture_error_check(ctx, 1, target, level,
+ internalFormat, width, 1, 1, border, imageSize);
+ if (error) {
+ _mesa_error(ctx, error, "glCompressedTexImage1D");
+ return;
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->CurrentD[1];
- texImage = texObj->Image[level];
-
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_get_tex_image(ctx, texUnit, target, level);
if (!texImage) {
- texImage = _mesa_alloc_texture_image();
- texObj->Image[level] = texImage;
- if (!texImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage1DARB");
- return;
- }
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage1D");
+ return;
}
- else if (texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
+ else if (texImage->Data && !texImage->IsClientData) {
+ MESA_PBUFFER_FREE(texImage->Data);
}
+ texImage->Data = NULL;
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, width, 1, 1,
- border, internalFormat);
+ _mesa_init_teximage_fields(ctx, target, texImage, width, 1, 1,
+ border, internalFormat);
- /* process the texture image */
- if (data) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (ctx->Driver.CompressedTexImage1D) {
- success = (*ctx->Driver.CompressedTexImage1D)(ctx, target, level,
- imageSize, data, texObj, texImage, &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- computedImageSize = _mesa_compressed_image_size(ctx,
- internalFormat,
- 1, /* num dims */
- width,
- 1, /* height */
- 1); /* depth */
- if (computedImageSize != imageSize) {
- gl_error(ctx, GL_INVALID_VALUE, "glCompressedTexImage1DARB(imageSize)");
- return;
- }
- texImage->Data = MALLOC(computedImageSize);
- if (texImage->Data) {
- MEMCPY(texImage->Data, data, computedImageSize);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
- else {
- make_null_texture(texImage);
- if (ctx->Driver.CompressedTexImage1D) {
- GLboolean retain;
- (*ctx->Driver.CompressedTexImage1D)(ctx, target, level, 0,
- texImage->Data, texObj,
- texImage, &retain);
- }
- }
+ ASSERT(ctx->Driver.CompressedTexImage1D);
+ (*ctx->Driver.CompressedTexImage1D)(ctx, target, level,
+ internalFormat, width, border,
+ imageSize, data,
+ texObj, texImage);
/* state update */
- gl_put_texobj_on_dirty_list( ctx, texObj );
+ texObj->Complete = GL_FALSE;
ctx->NewState |= _NEW_TEXTURE;
}
else if (target == GL_PROXY_TEXTURE_1D) {
/* Proxy texture: check for errors and update proxy state */
- GLenum error = texture_error_check(ctx, target, level, internalFormat,
- GL_NONE, GL_NONE, 1, width, 1, 1, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
+ GLenum error = compressed_texture_error_check(ctx, 1, target, level,
+ internalFormat, width, 1, 1, border, imageSize);
+ if (!error) {
+ ASSERT(ctx->Driver.TestProxyTexImage);
error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
internalFormat, GL_NONE, GL_NONE,
width, 1, 1, border);
}
if (error) {
/* if error, clear all proxy texture image parameters */
- if (level>=0 && level<ctx->Const.MaxTextureLevels) {
- clear_proxy_teximage(ctx->Texture.Proxy1D->Image[level]);
- }
+ struct gl_texture_image *texImage;
+ texImage = _mesa_get_proxy_tex_image(ctx, target, level);
+ if (texImage)
+ clear_teximage_fields(texImage);
}
else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx, ctx->Texture.Proxy1D->Image[level],
- width, 1, 1, border, internalFormat);
+ /* store the teximage parameters */
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_image *texImage;
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+ _mesa_init_teximage_fields(ctx, target, texImage, width, 1, 1,
+ border, internalFormat);
}
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage1DARB(target)" );
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage1D(target)");
return;
}
}
-void
+void GLAPIENTRY
_mesa_CompressedTexImage2DARB(GLenum target, GLint level,
GLenum internalFormat, GLsizei width,
GLsizei height, GLint border, GLsizei imageSize,
const GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCompressedTexImage2DARB");
-
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA_ARB:
- case GL_COMPRESSED_LUMINANCE_ARB:
- case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
- case GL_COMPRESSED_INTENSITY_ARB:
- case GL_COMPRESSED_RGB_ARB:
- case GL_COMPRESSED_RGBA_ARB:
- gl_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage2DARB");
- return;
- default:
- /* silence compiler warning */
- ;
- }
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (target==GL_TEXTURE_2D ||
+ if (target == GL_TEXTURE_2D ||
(ctx->Extensions.ARB_texture_cube_map &&
target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLsizei computedImageSize;
-
- if (texture_error_check(ctx, target, level, internalFormat,
- GL_NONE, GL_NONE, 1, width, height, 1, border)) {
- return; /* error in texture image was detected */
+ GLenum error = compressed_texture_error_check(ctx, 2, target, level,
+ internalFormat, width, height, 1, border, imageSize);
+ if (error) {
+ _mesa_error(ctx, error, "glCompressedTexImage2D");
+ return;
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->CurrentD[2];
- texImage = texObj->Image[level];
-
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_get_tex_image(ctx, texUnit, target, level);
if (!texImage) {
- texImage = _mesa_alloc_texture_image();
- texObj->Image[level] = texImage;
- if (!texImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2DARB");
- return;
- }
- }
- else if (texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
-
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, width, height, 1, border, internalFormat);
-
- /* process the texture image */
- if (data) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (ctx->Driver.CompressedTexImage2D) {
- success = (*ctx->Driver.CompressedTexImage2D)( ctx,
- target,
- level,
- imageSize,
- data,
- texObj,
- texImage,
- &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- computedImageSize = _mesa_compressed_image_size(ctx,
- internalFormat,
- 2, /* num dims */
- width,
- height,
- 1); /* depth */
- if (computedImageSize != imageSize) {
- gl_error(ctx, GL_INVALID_VALUE, "glCompressedTexImage2DARB(imageSize)");
- return;
- }
- texImage->Data = MALLOC(computedImageSize);
- if (texImage->Data) {
- MEMCPY(texImage->Data, data, computedImageSize);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
+ return;
}
- else {
- make_null_texture(texImage);
- if (ctx->Driver.CompressedTexImage2D) {
- GLboolean retain;
- (*ctx->Driver.CompressedTexImage2D)( ctx, target, level, 0,
- texImage->Data, texObj,
- texImage, &retain);
- }
+ else if (texImage->Data && !texImage->IsClientData) {
+ MESA_PBUFFER_FREE(texImage->Data);
}
+ texImage->Data = NULL;
+
+ _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1,
+ border, internalFormat);
+
+ ASSERT(ctx->Driver.CompressedTexImage2D);
+ (*ctx->Driver.CompressedTexImage2D)(ctx, target, level,
+ internalFormat, width, height,
+ border, imageSize, data,
+ texObj, texImage);
/* state update */
- gl_put_texobj_on_dirty_list( ctx, texObj );
+ texObj->Complete = GL_FALSE;
ctx->NewState |= _NEW_TEXTURE;
}
- else if (target == GL_PROXY_TEXTURE_2D) {
+ else if (target == GL_PROXY_TEXTURE_2D ||
+ (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB &&
+ ctx->Extensions.ARB_texture_cube_map)) {
/* Proxy texture: check for errors and update proxy state */
- GLenum error = texture_error_check(ctx, target, level, internalFormat,
- GL_NONE, GL_NONE, 2, width, height, 1, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
+ GLenum error = compressed_texture_error_check(ctx, 2, target, level,
+ internalFormat, width, height, 1, border, imageSize);
+ if (!error) {
+ ASSERT(ctx->Driver.TestProxyTexImage);
error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
internalFormat, GL_NONE, GL_NONE,
width, height, 1, border);
}
if (error) {
/* if error, clear all proxy texture image parameters */
- if (level>=0 && level<ctx->Const.MaxTextureLevels) {
- clear_proxy_teximage(ctx->Texture.Proxy2D->Image[level]);
- }
+ struct gl_texture_image *texImage;
+ texImage = _mesa_get_proxy_tex_image(ctx, target, level);
+ if (texImage)
+ clear_teximage_fields(texImage);
}
else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx, ctx->Texture.Proxy2D->Image[level],
- width, 1, 1, border, internalFormat);
+ /* store the teximage parameters */
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_image *texImage;
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+ _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1,
+ border, internalFormat);
}
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage2DARB(target)" );
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage2D(target)");
return;
}
}
-void
+void GLAPIENTRY
_mesa_CompressedTexImage3DARB(GLenum target, GLint level,
GLenum internalFormat, GLsizei width,
GLsizei height, GLsizei depth, GLint border,
GLsizei imageSize, const GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCompressedTexImage3DARB");
-
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA_ARB:
- case GL_COMPRESSED_LUMINANCE_ARB:
- case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
- case GL_COMPRESSED_INTENSITY_ARB:
- case GL_COMPRESSED_RGB_ARB:
- case GL_COMPRESSED_RGBA_ARB:
- gl_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage3DARB");
- return;
- default:
- /* silence compiler warning */
- ;
- }
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (target == GL_TEXTURE_3D) {
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLsizei computedImageSize;
-
- if (texture_error_check(ctx, target, level, internalFormat,
- GL_NONE, GL_NONE, 1, width, height, depth, border)) {
- return; /* error in texture image was detected */
+ GLenum error = compressed_texture_error_check(ctx, 3, target, level,
+ internalFormat, width, height, depth, border, imageSize);
+ if (error) {
+ _mesa_error(ctx, error, "glCompressedTexImage3D");
+ return;
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->CurrentD[3];
- texImage = texObj->Image[level];
-
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_get_tex_image(ctx, texUnit, target, level);
if (!texImage) {
- texImage = _mesa_alloc_texture_image();
- texObj->Image[level] = texImage;
- if (!texImage) {
- gl_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage3DARB");
- return;
- }
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage3D");
+ return;
}
- else if (texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
+ else if (texImage->Data && !texImage->IsClientData) {
+ MESA_PBUFFER_FREE(texImage->Data);
}
+ texImage->Data = NULL;
- /* setup the teximage struct's fields */
- init_texture_image(ctx, texImage, width, height, depth,
- border, internalFormat);
+ _mesa_init_teximage_fields(ctx, target, texImage, width, height, depth,
+ border, internalFormat);
- /* process the texture image */
- if (data) {
- GLboolean retain = GL_TRUE;
- GLboolean success = GL_FALSE;
- if (ctx->Driver.CompressedTexImage3D) {
- success = (*ctx->Driver.CompressedTexImage3D)(ctx, target, level,
- imageSize, data,
- texObj, texImage,
- &retain);
- }
- if (retain || !success) {
- /* make internal copy of the texture image */
- computedImageSize = _mesa_compressed_image_size(ctx,
- internalFormat,
- 3, /* num dims */
- width,
- height,
- depth);
- if (computedImageSize != imageSize) {
- gl_error(ctx, GL_INVALID_VALUE, "glCompressedTexImage3DARB(imageSize)");
- return;
- }
- texImage->Data = MALLOC(computedImageSize);
- if (texImage->Data) {
- MEMCPY(texImage->Data, data, computedImageSize);
- }
- }
- if (!retain && texImage->Data) {
- FREE(texImage->Data);
- texImage->Data = NULL;
- }
- }
- else {
- make_null_texture(texImage);
- if (ctx->Driver.CompressedTexImage3D) {
- GLboolean retain;
- (*ctx->Driver.CompressedTexImage3D)( ctx, target, level, 0,
- texImage->Data, texObj,
- texImage, &retain);
- }
- }
+ ASSERT(ctx->Driver.CompressedTexImage3D);
+ (*ctx->Driver.CompressedTexImage3D)(ctx, target, level,
+ internalFormat,
+ width, height, depth,
+ border, imageSize, data,
+ texObj, texImage);
/* state update */
- gl_put_texobj_on_dirty_list( ctx, texObj );
+ texObj->Complete = GL_FALSE;
ctx->NewState |= _NEW_TEXTURE;
}
else if (target == GL_PROXY_TEXTURE_3D) {
/* Proxy texture: check for errors and update proxy state */
- GLenum error = texture_error_check(ctx, target, level, internalFormat,
- GL_NONE, GL_NONE, 1, width, height, depth, border);
- if (!error && ctx->Driver.TestProxyTexImage) {
+ GLenum error = compressed_texture_error_check(ctx, 3, target, level,
+ internalFormat, width, height, depth, border, imageSize);
+ if (!error) {
+ ASSERT(ctx->Driver.TestProxyTexImage);
error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
internalFormat, GL_NONE, GL_NONE,
width, height, depth, border);
}
if (error) {
/* if error, clear all proxy texture image parameters */
- if (level>=0 && level<ctx->Const.MaxTextureLevels) {
- clear_proxy_teximage(ctx->Texture.Proxy3D->Image[level]);
- }
+ struct gl_texture_image *texImage;
+ texImage = _mesa_get_proxy_tex_image(ctx, target, level);
+ if (texImage)
+ clear_teximage_fields(texImage);
}
else {
- /* if no error, update proxy texture image parameters */
- init_texture_image(ctx, ctx->Texture.Proxy3D->Image[level],
- width, 1, 1, border, internalFormat);
+ /* store the teximage parameters */
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_image *texImage;
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
+ _mesa_init_teximage_fields(ctx, target, texImage, width, height,
+ depth, border, internalFormat);
}
}
else {
- gl_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage3DARB(target)" );
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage3D(target)");
return;
}
}
-void
+void GLAPIENTRY
_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
GLsizei width, GLenum format,
GLsizei imageSize, const GLvoid *data)
{
- GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
+ GLenum error;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0,
- width, 1, 1, format, GL_NONE)) {
- return; /* error was detected */
+ error = compressed_subtexture_error_check(ctx, 1, target, level,
+ xoffset, 0, 0, width, 1, 1, format, imageSize);
+ if (error) {
+ _mesa_error(ctx, error, "glCompressedTexSubImage1D");
+ return;
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
- texImage = texObj->Image[level];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
assert(texImage);
+ if ((GLint) format != texImage->IntFormat) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCompressedTexSubImage1D(format)");
+ return;
+ }
+
+ if ((width == 1 || width == 2) && (GLuint) width != texImage->Width) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexSubImage1D(width)");
+ return;
+ }
+
if (width == 0 || !data)
return; /* no-op, not an error */
if (ctx->Driver.CompressedTexSubImage1D) {
- success = (*ctx->Driver.CompressedTexSubImage1D)(ctx, target, level,
- xoffset, width, format, imageSize, data, texObj, texImage);
- }
- if (!success) {
- /* XXX what else can we do? */
- gl_problem(ctx, "glCompressedTexSubImage1DARB failed!");
- return;
+ (*ctx->Driver.CompressedTexSubImage1D)(ctx, target, level,
+ xoffset, width,
+ format, imageSize, data,
+ texObj, texImage);
}
+ ctx->NewState |= _NEW_TEXTURE;
}
-void
+void GLAPIENTRY
_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLsizei width, GLsizei height,
GLenum format, GLsizei imageSize,
const GLvoid *data)
{
- GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
+ GLenum error;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
- width, height, 1, format, GL_NONE)) {
- return; /* error was detected */
+ error = compressed_subtexture_error_check(ctx, 2, target, level,
+ xoffset, yoffset, 0, width, height, 1, format, imageSize);
+ if (error) {
+ /* XXX proxy target? */
+ _mesa_error(ctx, error, "glCompressedTexSubImage2D");
+ return;
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
- texImage = texObj->Image[level];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
assert(texImage);
+ if ((GLint) format != texImage->IntFormat) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCompressedTexSubImage2D(format)");
+ return;
+ }
+
+ if (((width == 1 || width == 2) && (GLuint) width != texImage->Width) ||
+ ((height == 1 || height == 2) && (GLuint) height != texImage->Height)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexSubImage2D(size)");
+ return;
+ }
+
if (width == 0 || height == 0 || !data)
return; /* no-op, not an error */
if (ctx->Driver.CompressedTexSubImage2D) {
- success = (*ctx->Driver.CompressedTexSubImage2D)(ctx, target, level,
- xoffset, yoffset, width, height, format,
- imageSize, data, texObj, texImage);
- }
- if (!success) {
- /* XXX what else can we do? */
- gl_problem(ctx, "glCompressedTexSubImage2DARB failed!");
- return;
+ (*ctx->Driver.CompressedTexSubImage2D)(ctx, target, level,
+ xoffset, yoffset, width, height,
+ format, imageSize, data,
+ texObj, texImage);
}
+ ctx->NewState |= _NEW_TEXTURE;
}
-void
+void GLAPIENTRY
_mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLint zoffset, GLsizei width,
GLsizei height, GLsizei depth, GLenum format,
GLsizei imageSize, const GLvoid *data)
{
- GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- GLboolean success = GL_FALSE;
+ GLenum error;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset,
- width, height, depth, format, GL_NONE)) {
- return; /* error was detected */
+ error = compressed_subtexture_error_check(ctx, 3, target, level,
+ xoffset, yoffset, zoffset, width, height, depth, format, imageSize);
+ if (error) {
+ _mesa_error(ctx, error, "glCompressedTexSubImage2D");
+ return;
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
texObj = _mesa_select_tex_object(ctx, texUnit, target);
- texImage = texObj->Image[level];
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
assert(texImage);
+ if ((GLint) format != texImage->IntFormat) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCompressedTexSubImage3D(format)");
+ return;
+ }
+
+ if (((width == 1 || width == 2) && (GLuint) width != texImage->Width) ||
+ ((height == 1 || height == 2) && (GLuint) height != texImage->Height) ||
+ ((depth == 1 || depth == 2) && (GLuint) depth != texImage->Depth)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glCompressedTexSubImage3D(size)");
+ return;
+ }
+
if (width == 0 || height == 0 || depth == 0 || !data)
return; /* no-op, not an error */
if (ctx->Driver.CompressedTexSubImage3D) {
- success = (*ctx->Driver.CompressedTexSubImage3D)(ctx, target, level,
- xoffset, yoffset, zoffset, width, height, depth,
- format, imageSize, data, texObj, texImage);
- }
- if (!success) {
- /* XXX what else can we do? */
- gl_problem(ctx, "glCompressedTexSubImage3DARB failed!");
- return;
+ (*ctx->Driver.CompressedTexSubImage3D)(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, imageSize, data,
+ texObj, texImage);
}
+ ctx->NewState |= _NEW_TEXTURE;
}
-void
+void GLAPIENTRY
_mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
{
- GET_CURRENT_CONTEXT(ctx);
+ const struct gl_texture_unit *texUnit;
const struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
+ GLint maxLevels;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ if (!texObj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB");
+ return;
+ }
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetCompressedTexImageARB");
+ maxLevels = _mesa_max_texture_levels(ctx, target);
+ ASSERT(maxLevels > 0); /* 0 indicates bad target, caught above */
- if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
- gl_error( ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)" );
+ if (level < 0 || level >= maxLevels) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)");
return;
}
- switch (target) {
- case GL_TEXTURE_1D:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentD[1];
- texImage = texObj->Image[level];
- break;
- case GL_TEXTURE_2D:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentD[2];
- texImage = texObj->Image[level];
- break;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->Image[level];
- break;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->NegX[level];
- break;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->PosY[level];
- break;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->NegY[level];
- break;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->PosZ[level];
- break;
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
- texImage = texObj->NegZ[level];
- break;
- case GL_TEXTURE_3D:
- texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentD[3];
- texImage = texObj->Image[level];
- break;
- default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
- return;
+ if (is_proxy_target(target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
+ return;
}
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
if (!texImage) {
- /* invalid mipmap level */
- gl_error(ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)");
+ /* probably invalid mipmap level */
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)");
return;
}
if (!texImage->IsCompressed) {
- gl_error(ctx, GL_INVALID_OPERATION, "glGetCompressedTexImageARB");
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetCompressedTexImageARB");
return;
}
if (!img)
return;
- if (ctx->Driver.GetCompressedTexImage) {
- (*ctx->Driver.GetCompressedTexImage)(ctx, target, level, img, texObj,
- texImage);
- }
- else {
- gl_problem(ctx, "Driver doesn't implement GetCompressedTexImage");
- }
+ /* just memcpy, no pixelstore or pixel transfer */
+ MEMCPY(img, texImage->Data, texImage->CompressedSize);
}
projects / mesa.git / blobdiff