-/* $Id: teximage.c,v 1.12 1999/11/11 01:22:27 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.3
*
- * Copyright (C) 1999 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2000 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"),
*/
+#ifdef DEBUG
+static void PrintTexture(const struct gl_texture_image *img)
+{
+ int i, j, c;
+ GLubyte *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");
+ }
+}
+#endif
+
+
/*
* Compute log base 2 of n.
* GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA.
* Return -1 if invalid enum.
*/
-static GLint
-decode_internal_format( GLint format )
+GLint
+_mesa_base_tex_format( GLint format )
{
switch (format) {
case GL_ALPHA:
-struct gl_texture_image *
-gl_alloc_texture_image( void )
-{
- return CALLOC_STRUCT(gl_texture_image);
-}
-
-
-
-void
-gl_free_texture_image( struct gl_texture_image *teximage )
-{
- if (teximage->Data) {
- FREE( teximage->Data );
- teximage->Data = NULL;
- }
- FREE( teximage );
-}
-
-
-
/*
* Examine the texImage->Format field and set the Red, Green, Blue, etc
* texel component sizes to default values.
}
+
+/*
+ * Return new gl_texture_image struct with all fields initialized to zero.
+ */
+struct gl_texture_image *
+_mesa_alloc_texture_image( void )
+{
+ return CALLOC_STRUCT(gl_texture_image);
+}
+
+
+
+/*
+ * Initialize most fields of a gl_texture_image struct.
+ */
+static void
+init_texture_image( 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(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);
+}
+
+
+
+void
+_mesa_free_texture_image( struct gl_texture_image *teximage )
+{
+ if (teximage->Data) {
+ FREE( teximage->Data );
+ teximage->Data = NULL;
+ }
+ FREE( teximage );
+}
+
+
+
/* Need this to prevent an out-of-bounds memory access when using
* X86 optimized code.
*/
/*
- * This is called by glTexImage[123]D in order to build a gl_texture_image
- * object given the client's parameters and image data.
- *
- * NOTES: Width, height and depth should include the border.
- * All texture image parameters should have already been error checked.
+ * 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.
+ * NOTE: All texture image parameters should have already been error checked.
*/
-static struct gl_texture_image *
-make_texture_image( GLcontext *ctx, GLint internalFormat,
- GLint width, GLint height, GLint depth, GLint border,
+static void
+make_texture_image( GLcontext *ctx,
+ struct gl_texture_image *texImage,
GLenum srcFormat, GLenum srcType, const GLvoid *pixels,
const struct gl_pixelstore_attrib *unpacking)
{
GLint components, numPixels;
- struct gl_texture_image *texImage;
-
- assert(width > 0);
- assert(height > 0);
- assert(depth > 0);
- assert(border == 0 || border == 1);
- assert(pixels);
- assert(unpacking);
-
-
- /*
- * Allocate and initialize the texture_image struct
- */
- texImage = gl_alloc_texture_image();
- if (!texImage)
- return NULL;
-
- texImage->Format = (GLenum) decode_internal_format(internalFormat);
- set_teximage_component_sizes( texImage );
- texImage->IntFormat = (GLenum) internalFormat;
- texImage->Border = border;
- texImage->Width = width;
- texImage->Height = height;
- texImage->Depth = depth;
- texImage->WidthLog2 = logbase2(width - 2 * border);
- if (height == 1) /* 1-D texture */
- texImage->HeightLog2 = 0;
- else
- texImage->HeightLog2 = logbase2(height - 2 * border);
- if (depth == 1) /* 2-D texture */
- texImage->DepthLog2 = 0;
- else
- texImage->DepthLog2 = logbase2(depth - 2 * border);
- texImage->Width2 = 1 << texImage->WidthLog2;
- texImage->Height2 = 1 << texImage->HeightLog2;
- texImage->Depth2 = 1 << texImage->DepthLog2;
- texImage->MaxLog2 = MAX2(texImage->WidthLog2, texImage->HeightLog2);
-
+ GLint internalFormat, width, height, depth, border;
+
+ ASSERT(ctx);
+ ASSERT(texImage);
+ ASSERT(!texImage->Data);
+ ASSERT(pixels);
+ ASSERT(unpacking);
+
+ internalFormat = texImage->IntFormat;
+ width = texImage->Width;
+ height = texImage->Height;
+ depth = texImage->Depth;
+ border = texImage->Border;
components = components_in_intformat(internalFormat);
- numPixels = texImage->Width * texImage->Height * texImage->Depth;
- texImage->Data = (GLubyte *) MALLOC(numPixels * components + EXTRA_BYTE);
+ ASSERT(width > 0);
+ ASSERT(height > 0);
+ ASSERT(depth > 0);
+ ASSERT(border == 0 || border == 1);
+ ASSERT(pixels);
+ ASSERT(unpacking);
+ ASSERT(components);
- if (!texImage->Data) {
- /* out of memory */
- gl_free_texture_image(texImage);
- return NULL;
- }
+ numPixels = width * height * depth;
+ texImage->Data = (GLubyte *) MALLOC(numPixels * components + EXTRA_BYTE);
+ if (!texImage->Data)
+ return; /* out of memory */
/*
* OK, the texture image struct has been initialized and the texture
&& !ctx->Pixel.IndexOffset && !ctx->Pixel.IndexShift
&& srcType == GL_UNSIGNED_BYTE && depth == 1) {
- if (srcFormat == internalFormat) {
+ if (srcFormat == internalFormat ||
+ (srcFormat == GL_LUMINANCE && internalFormat == 1) ||
+ (srcFormat == GL_LUMINANCE_ALPHA && internalFormat == 2) ||
+ (srcFormat == GL_RGB && internalFormat == 3) ||
+ (srcFormat == GL_RGBA && internalFormat == 4)) {
/* This will cover the common GL_RGB, GL_RGBA, GL_ALPHA,
* GL_LUMINANCE_ALPHA, etc. texture formats.
*/
- const GLubyte *src = gl_pixel_addr_in_image(unpacking,
- pixels, width, height, srcFormat, srcType, 0, 0, 0);
- const GLubyte *src1 = gl_pixel_addr_in_image(unpacking,
- pixels, width, height, srcFormat, srcType, 0, 1, 0);
- const GLint srcStride = src1 - src;
+ const GLubyte *src = (const GLubyte *) _mesa_image_address(
+ unpacking, pixels, width, height, srcFormat, srcType, 0, 0, 0);
+ const GLint srcStride = _mesa_image_row_stride(unpacking, width,
+ srcFormat, srcType);
GLubyte *dst = texImage->Data;
GLint dstBytesPerRow = width * components * sizeof(GLubyte);
if (srcStride == dstBytesPerRow) {
dst += dstBytesPerRow;
}
}
- return texImage; /* all done */
+ return; /* all done */
}
else if (srcFormat == GL_RGBA && internalFormat == GL_RGB) {
/* commonly used by Quake */
- const GLubyte *src = gl_pixel_addr_in_image(unpacking,
- pixels, width, height, srcFormat, srcType, 0, 0, 0);
- const GLubyte *src1 = gl_pixel_addr_in_image(unpacking,
- pixels, width, height, srcFormat, srcType, 0, 1, 0);
- const GLint srcStride = src1 - src;
+ const GLubyte *src = (const GLubyte *) _mesa_image_address(
+ unpacking, pixels, width, height, srcFormat, srcType, 0, 0, 0);
+ const GLint srcStride = _mesa_image_row_stride(unpacking, width,
+ srcFormat, srcType);
GLubyte *dst = texImage->Data;
GLint i, j;
for (i = 0; i < height; i++) {
}
src += srcStride;
}
- return texImage; /* all done */
+ return; /* all done */
}
}
GLint img, row;
for (img = 0; img < depth; img++) {
for (row = 0; row < height; row++) {
- const GLvoid *source = gl_pixel_addr_in_image(unpacking,
+ const GLvoid *source = _mesa_image_address(unpacking,
pixels, width, height, srcFormat, srcType, img, row, 0);
_mesa_unpack_index_span(ctx, width, dstType, dest,
srcType, source, unpacking, GL_TRUE);
GLint img, row;
for (img = 0; img < depth; img++) {
for (row = 0; row < height; row++) {
- const GLvoid *source = gl_pixel_addr_in_image(unpacking,
+ const GLvoid *source = _mesa_image_address(unpacking,
pixels, width, height, srcFormat, srcType, img, row, 0);
_mesa_unpack_ubyte_color_span(ctx, width, dstFormat, dest,
srcFormat, srcType, source, unpacking, GL_TRUE);
}
}
}
-
- return texImage; /* All done! */
}
/*
* 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.
+ * spec. This function creates an empty image for the given texture image.
*/
-static struct gl_texture_image *
-make_null_texture( GLcontext *ctx, GLenum internalFormat,
- GLsizei width, GLsizei height, GLsizei depth, GLint border )
+static void
+make_null_texture( struct gl_texture_image *texImage )
{
GLint components;
- struct gl_texture_image *texImage;
GLint numPixels;
- (void) ctx;
- /*internalFormat = decode_internal_format(internalFormat);*/
- components = components_in_intformat(internalFormat);
- numPixels = width * height * depth;
-
- texImage = gl_alloc_texture_image();
- if (!texImage)
- return NULL;
+ ASSERT(texImage);
+ ASSERT(!texImage->Data);
- texImage->Format = (GLenum) decode_internal_format(internalFormat);
- set_teximage_component_sizes( texImage );
- texImage->IntFormat = internalFormat;
- texImage->Border = border;
- texImage->Width = width;
- texImage->Height = height;
- texImage->Depth = depth;
- texImage->WidthLog2 = logbase2(width - 2*border);
- if (height==1) /* 1-D texture */
- texImage->HeightLog2 = 0;
- else
- texImage->HeightLog2 = logbase2(height - 2*border);
- if (depth==1) /* 2-D texture */
- texImage->DepthLog2 = 0;
- else
- texImage->DepthLog2 = logbase2(depth - 2*border);
- texImage->Width2 = 1 << texImage->WidthLog2;
- texImage->Height2 = 1 << texImage->HeightLog2;
- texImage->Depth2 = 1 << texImage->DepthLog2;
- texImage->MaxLog2 = MAX2( texImage->WidthLog2, texImage->HeightLog2 );
-
- /* XXX should we really allocate memory for the image or let it be NULL? */
- /*texImage->Data = NULL;*/
+ components = components_in_intformat(texImage->IntFormat);
+ numPixels = texImage->Width * texImage->Height * texImage->Depth;
texImage->Data = (GLubyte *) MALLOC( numPixels * components + EXTRA_BYTE );
* interesting instead of leaving it indeterminate.
*/
if (texImage->Data) {
- char message[8][32] = {
+ static const char message[8][32] = {
" X X XXXXX XXX X ",
" XX XX X X X X X ",
" X X X X X X X ",
GLubyte *imgPtr = texImage->Data;
GLint i, j, k;
- for (i=0;i<height;i++) {
+ for (i = 0; i < texImage->Height; i++) {
GLint srcRow = 7 - i % 8;
- for (j=0;j<width;j++) {
+ for (j = 0; j < texImage->Width; j++) {
GLint srcCol = j % 32;
GLint texel = (message[srcRow][srcCol]=='X') ? 255 : 70;
for (k=0;k<components;k++) {
}
}
}
-
- return texImage;
}
}
/* Border */
- if (border!=0 && border!=1) {
+ if (border != 0 && border != 1) {
if (!isProxy) {
char message[100];
sprintf(message, "glTexImage%dD(border)", dimensions);
}
/* Level */
- if (level<0 || level>=ctx->Const.MaxTextureLevels) {
+ if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
if (!isProxy) {
char message[100];
sprintf(message, "glTexImage%dD(level)", dimensions);
return GL_TRUE;
}
- iformat = decode_internal_format( internalFormat );
+ iformat = _mesa_base_tex_format( internalFormat );
if (iformat < 0) {
if (!isProxy) {
char message[100];
return GL_TRUE;
}
- if (!gl_is_legal_format_and_type( format, 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 (!gl_is_legal_format_and_type(format, type)) {
+ 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);
return GL_TRUE;
}
- iformat = decode_internal_format( internalFormat );
+ iformat = _mesa_base_tex_format( internalFormat );
if (iformat < 0) {
char message[100];
sprintf(message, "glCopyTexImage%dD(internalFormat)", dimensions);
return GL_TRUE;
}
- teximage = texUnit->CurrentD[3]->Image[level];
+ teximage = texUnit->CurrentD[dimensions]->Image[level];
if (!teximage) {
char message[100];
sprintf(message, "glCopyTexSubImage%dD(undefined texture)", dimensions);
* Called from the API. Note that width includes the border.
*/
void
-_mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
+_mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
GLsizei width, GLint border, GLenum format,
GLenum type, const GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexImage1D");
if (target==GL_TEXTURE_1D) {
- struct gl_texture_image *teximage;
- if (texture_error_check( ctx, target, level, internalformat,
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ if (texture_error_check( ctx, target, level, internalFormat,
format, type, 1, width, 1, 1, border )) {
- /* error in texture image was detected */
- return;
+ return; /* error in texture image was detected */
}
- /* free current texture image, if any */
- if (texUnit->CurrentD[1]->Image[level]) {
- gl_free_texture_image( texUnit->CurrentD[1]->Image[level] );
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = texUnit->CurrentD[1];
+ texImage = texObj->Image[level];
+
+ if (!texImage) {
+ texImage = _mesa_alloc_texture_image();
+ texObj->Image[level] = texImage;
+ if (!texImage) {
+ gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
+ return;
+ }
+ }
+ else if (texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
}
- /* make new texture from source image */
+ /* setup the teximage struct's fields */
+ init_texture_image(texImage, width, 1, 1, border, internalFormat);
+
+ /* process the texture image */
if (pixels) {
- teximage = make_texture_image(ctx, internalformat, width, 1, 1,
- border, format, type, pixels, &ctx->Unpack);
+ GLboolean retain = GL_TRUE;
+ GLboolean success = GL_FALSE;
+ if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA
+ && 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, texImage, 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 {
- teximage = make_null_texture(ctx, (GLenum) internalformat,
- width, 1, 1, border);
+ 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);
+ }
}
- /* install new texture image */
- texUnit->CurrentD[1]->Image[level] = teximage;
- gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[1] );
+ /* state update */
+ gl_put_texobj_on_dirty_list( ctx, texObj );
ctx->NewState |= NEW_TEXTURING;
-
- /* tell driver about change */
- if (ctx->Driver.TexImage) {
- (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_1D,
- texUnit->CurrentD[1],
- level, internalformat, teximage );
- }
}
else if (target==GL_PROXY_TEXTURE_1D) {
/* Proxy texture: check for errors and update proxy state */
- if (texture_error_check( ctx, target, level, internalformat,
+ if (texture_error_check( ctx, target, level, internalFormat,
format, type, 1, width, 1, 1, border )) {
if (level>=0 && level<ctx->Const.MaxTextureLevels) {
MEMSET( ctx->Texture.Proxy1D->Image[level], 0,
else {
ctx->Texture.Proxy1D->Image[level]->Format = (GLenum) format;
set_teximage_component_sizes( ctx->Texture.Proxy1D->Image[level] );
- ctx->Texture.Proxy1D->Image[level]->IntFormat = (GLenum) internalformat;
+ ctx->Texture.Proxy1D->Image[level]->IntFormat = (GLenum) internalFormat;
ctx->Texture.Proxy1D->Image[level]->Border = border;
ctx->Texture.Proxy1D->Image[level]->Width = width;
ctx->Texture.Proxy1D->Image[level]->Height = 1;
void
-_mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
+_mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
GLsizei width, GLsizei height, GLint border,
GLenum format, GLenum type,
const GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexImage2D");
if (target==GL_TEXTURE_2D) {
- struct gl_texture_image *teximage;
- if (texture_error_check( ctx, target, level, internalformat,
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ if (texture_error_check( ctx, target, level, internalFormat,
format, type, 2, width, height, 1, border )) {
- /* error in texture image was detected */
- return;
+ return; /* error in texture image was detected */
}
- /* free current texture image, if any */
- if (texUnit->CurrentD[2]->Image[level]) {
- gl_free_texture_image( texUnit->CurrentD[2]->Image[level] );
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = texUnit->CurrentD[2];
+ texImage = texObj->Image[level];
+
+ if (!texImage) {
+ texImage = _mesa_alloc_texture_image();
+ texObj->Image[level] = texImage;
+ if (!texImage) {
+ gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+ return;
+ }
+ }
+ else if (texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
}
- /* make new texture from source image */
+ /* setup the teximage struct's fields */
+ init_texture_image(texImage, width, height, 1, border, internalFormat);
+
+ /* process the texture image */
if (pixels) {
- teximage = make_texture_image(ctx, internalformat, width, height, 1,
- border, format, type, pixels, &ctx->Unpack);
+ GLboolean retain = GL_TRUE;
+ GLboolean success = GL_FALSE;
+ if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA
+ && 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, texImage, 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 {
- teximage = make_null_texture(ctx, (GLenum) internalformat,
- width, height, 1, border);
+ 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);
+ }
}
- /* install new texture image */
- texUnit->CurrentD[2]->Image[level] = teximage;
- gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[2] );
- ctx->NewState |= NEW_TEXTURING;
-
- /* tell driver about change */
+#define OLD_DD_TEXTURE
+#ifdef OLD_DD_TEXTURE
+ /* XXX this will be removed in the future */
if (ctx->Driver.TexImage) {
- (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_2D,
- texUnit->CurrentD[2],
- level, internalformat, teximage );
+ (*ctx->Driver.TexImage)( ctx, target, texObj, level, internalFormat,
+ texImage );
}
+#endif
+
+ /* state update */
+ gl_put_texobj_on_dirty_list( ctx, texObj );
+ ctx->NewState |= NEW_TEXTURING;
}
else if (target==GL_PROXY_TEXTURE_2D) {
/* Proxy texture: check for errors and update proxy state */
- if (texture_error_check( ctx, target, level, internalformat,
+ if (texture_error_check( ctx, target, level, internalFormat,
format, type, 2, width, height, 1, border )) {
if (level>=0 && level<ctx->Const.MaxTextureLevels) {
MEMSET( ctx->Texture.Proxy2D->Image[level], 0,
else {
ctx->Texture.Proxy2D->Image[level]->Format = (GLenum) format;
set_teximage_component_sizes( ctx->Texture.Proxy2D->Image[level] );
- ctx->Texture.Proxy2D->Image[level]->IntFormat = (GLenum) internalformat;
+ ctx->Texture.Proxy2D->Image[level]->IntFormat = (GLenum) internalFormat;
ctx->Texture.Proxy2D->Image[level]->Border = border;
ctx->Texture.Proxy2D->Image[level]->Width = width;
ctx->Texture.Proxy2D->Image[level]->Height = height;
* Note that width and height include the border.
*/
void
-_mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
+_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);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexImage3DEXT");
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexImage3D");
if (target==GL_TEXTURE_3D_EXT) {
- struct gl_texture_image *teximage;
- if (texture_error_check( ctx, target, level, internalformat,
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ if (texture_error_check( ctx, target, level, internalFormat,
format, type, 3, width, height, depth,
border )) {
- /* error in texture image was detected */
- return;
+ return; /* error in texture image was detected */
}
- /* free current texture image, if any */
- if (texUnit->CurrentD[3]->Image[level]) {
- gl_free_texture_image( texUnit->CurrentD[3]->Image[level] );
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = texUnit->CurrentD[3];
+ texImage = texObj->Image[level];
+
+ if (!texImage) {
+ texImage = _mesa_alloc_texture_image();
+ texObj->Image[level] = texImage;
+ if (!texImage) {
+ gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
+ return;
+ }
+ }
+ else if (texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
}
- /* make new texture from source image */
+ /* setup the teximage struct's fields */
+ init_texture_image(texImage, width, height, depth,
+ border, internalFormat);
+
+ /* process the texture image */
if (pixels) {
- teximage = make_texture_image(ctx, internalformat, width, height,
- depth, border, format, type, pixels, &ctx->Unpack);
+ GLboolean retain = GL_TRUE;
+ GLboolean success = GL_FALSE;
+ if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA
+ && 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, texImage, 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 {
- teximage = make_null_texture(ctx, (GLenum) internalformat,
- width, height, depth, border);
+ 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);
+ }
}
- /* install new texture image */
- texUnit->CurrentD[3]->Image[level] = teximage;
- gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[3] );
+ /* state update */
+ gl_put_texobj_on_dirty_list( ctx, texObj );
ctx->NewState |= NEW_TEXTURING;
-
- /* tell driver about change */
- if (ctx->Driver.TexImage) {
- (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_3D_EXT,
- texUnit->CurrentD[3],
- level, internalformat, teximage );
- }
}
else if (target==GL_PROXY_TEXTURE_3D_EXT) {
/* Proxy texture: check for errors and update proxy state */
- if (texture_error_check( ctx, target, level, internalformat,
+ if (texture_error_check( ctx, target, level, internalFormat,
format, type, 3, width, height, depth,
border )) {
if (level>=0 && level<ctx->Const.MaxTextureLevels) {
else {
ctx->Texture.Proxy3D->Image[level]->Format = (GLenum) format;
set_teximage_component_sizes( ctx->Texture.Proxy3D->Image[level] );
- ctx->Texture.Proxy3D->Image[level]->IntFormat = (GLenum) internalformat;
+ ctx->Texture.Proxy3D->Image[level]->IntFormat = (GLenum) internalFormat;
ctx->Texture.Proxy3D->Image[level]->Border = border;
ctx->Texture.Proxy3D->Image[level]->Width = width;
ctx->Texture.Proxy3D->Image[level]->Height = height;
}
+void
+_mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLint border, GLenum format, GLenum type,
+ const GLvoid *pixels )
+{
+ _mesa_TexImage3D(target, level, (GLint) internalFormat, width, height,
+ depth, border, format, type, pixels);
+}
+
+
+/*
+ * 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 )
+{
+ GLvoid *image;
+ GLenum imgFormat, imgType;
+ GLboolean freeImage;
+ 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;
+
+ 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 (!texImage->Data) {
+ /* Allocate memory for the texture image data */
+ texImage->Data = (GLubyte *) MALLOC(numPixels * destComponents + EXTRA_BYTE);
+ }
+
+ 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 GLubyte *srcPtr = (const GLubyte *) image;
+ GLubyte *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_ubyte_color_span(ctx, width, dstFormat, destPtr,
+ imgFormat, imgType, srcPtr, &_mesa_native_packing, GL_FALSE);
+ destPtr += destBytesPerRow;
+ srcPtr += srcBytesPerRow;
+ }
+ }
+ }
+ }
+
+ if (freeImage)
+ FREE(image);
+}
+
void
_mesa_GetTexImage( GLenum target, GLint level, GLenum format,
{
GET_CURRENT_CONTEXT(ctx);
const struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLboolean discardImage;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexImage");
return;
}
- if (gl_sizeof_type(type) <= 0) {
+ if (_mesa_sizeof_type(type) <= 0) {
gl_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
return;
}
- if (gl_components_in_format(format) <= 0) {
+ if (_mesa_components_in_format(format) <= 0) {
gl_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
return;
}
if (!pixels)
- return; /* XXX generate an error??? */
+ return;
switch (target) {
case GL_TEXTURE_1D:
return;
}
- if (texObj->Image[level] && texObj->Image[level]->Data) {
- const struct gl_texture_image *texImage = texObj->Image[level];
+ texImage = texObj->Image[level];
+ 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 row;
for (row = 0; row < height; row++) {
/* compute destination address in client memory */
- GLvoid *dest = gl_pixel_addr_in_image( &ctx->Unpack, pixels,
+ GLvoid *dest = _mesa_image_address( &ctx->Unpack, pixels,
width, height,
format, type, 0, row, 0);
assert(dest);
if (texImage->Format == GL_RGBA) {
const GLubyte *src = texImage->Data + row * width * 4 * sizeof(GLubyte);
- gl_pack_rgba_span( ctx, width, (void *) src, format, type, dest,
- &ctx->Pack, GL_TRUE );
+ _mesa_pack_rgba_span( ctx, width, (CONST GLubyte (*)[4]) src,
+ format, type, dest, &ctx->Pack, GL_TRUE );
}
else {
/* fetch RGBA row from texture image then pack it in client mem */
default:
gl_problem( ctx, "bad format in gl_GetTexImage" );
}
- gl_pack_rgba_span( ctx, width, (const GLubyte (*)[4])rgba,
- format, type, dest, &ctx->Pack, GL_TRUE );
+ _mesa_pack_rgba_span( ctx, width, (const GLubyte (*)[4])rgba,
+ format, type, dest, &ctx->Pack, GL_TRUE );
}
}
+
+ /* if we got the teximage from the device driver we'll discard it now */
+ if (discardImage) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
+ }
}
}
const GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- struct gl_texture_image *destTex;
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLboolean success = GL_FALSE;
if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0,
width, 1, 1, format, type)) {
- /* error was detected */
- return;
+ return; /* error was detected */
}
- destTex = texUnit->CurrentD[1]->Image[level];
- assert(destTex);
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = texUnit->CurrentD[1];
+ texImage = texObj->Image[level];
+ assert(texImage);
if (width == 0 || !pixels)
return; /* no-op, not an error */
- /*
- * Replace the texture subimage
- */
- {
- const GLint texComponents = components_in_intformat(destTex->Format);
- const GLenum texFormat = destTex->Format;
- const GLint xoffsetb = xoffset + destTex->Border;
- GLubyte *dst = destTex->Data + xoffsetb * texComponents;
+ if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA
+ && 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? */
+
+ const GLint texComponents = components_in_intformat(texImage->Format);
+ const GLenum texFormat = texImage->Format;
+ const GLint xoffsetb = xoffset + texImage->Border;
+ 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! */
+ }
+
if (texFormat == GL_COLOR_INDEX) {
/* color index texture */
- const GLvoid *src = gl_pixel_addr_in_image(&ctx->Unpack, pixels,
- width, 1, format, type, 0, 0, 0);
+ GLubyte *dst = texImage->Data + xoffsetb * texComponents;
+ const GLvoid *src = _mesa_image_address(&ctx->Unpack, pixels, width,
+ 1, format, type, 0, 0, 0);
_mesa_unpack_index_span(ctx, width, GL_UNSIGNED_BYTE, dst,
- type, src, &ctx->Unpack, GL_TRUE);
+ type, src, &ctx->Unpack, GL_TRUE);
}
else {
/* color texture */
- const GLvoid *src = gl_pixel_addr_in_image(&ctx->Unpack, pixels,
- width, 1, format, type, 0, 0, 0);
- _mesa_unpack_ubyte_color_span(ctx, width, texFormat, dst,
- format, type, src, &ctx->Unpack, GL_TRUE);
+ GLubyte *dst = texImage->Data + xoffsetb * texComponents;
+ const GLvoid *src = _mesa_image_address(&ctx->Unpack, pixels, width,
+ 1, format, type, 0, 0, 0);
+ _mesa_unpack_ubyte_color_span(ctx, width, texFormat, dst, format,
+ type, src, &ctx->Unpack, GL_TRUE);
}
- }
- gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[1] );
+ if (ctx->Driver.TexImage1D) {
+ (*ctx->Driver.TexImage1D)( ctx, target, level, texImage->Format,
+ GL_UNSIGNED_BYTE, texImage->Data,
+ &_mesa_native_packing, texObj, texImage,
+ &retain );
+ }
- /*
- * Inform device driver of texture image change.
- */
- if (ctx->Driver.TexSubImage) {
- (*ctx->Driver.TexSubImage)(ctx, GL_TEXTURE_1D, texUnit->CurrentD[1],
- level, xoffset, 0, width, 1,
- texUnit->CurrentD[1]->Image[level]->IntFormat,
- destTex );
- }
- else {
- if (ctx->Driver.TexImage) {
- (*ctx->Driver.TexImage)(ctx, GL_TEXTURE_1D, texUnit->CurrentD[1],
- level,
- texUnit->CurrentD[1]->Image[level]->IntFormat,
- destTex );
+ if (!retain && texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
}
}
+
+ /*gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[1] );*/
}
const GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- struct gl_texture_image *destTex;
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLboolean success = GL_FALSE;
if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
width, height, 1, format, type)) {
- /* error was detected */
- return;
+ return; /* error was detected */
}
- destTex = texUnit->CurrentD[2]->Image[level];
- assert(destTex);
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = texUnit->CurrentD[2];
+ texImage = texObj->Image[level];
+ assert(texImage);
if (width == 0 || height == 0 || !pixels)
return; /* no-op, not an error */
+ if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA
+ && ctx->Driver.TexSubImage2D) {
+ success = (*ctx->Driver.TexSubImage2D)( ctx, target, level, xoffset,
+ yoffset, width, height, format, type,
+ pixels, &ctx->Unpack, texObj, texImage );
+ }
+ if (!success) {
+ /* XXX if Driver.TexSubImage2D, unpack image and try again? */
+
+ const GLint texComponents = components_in_intformat(texImage->Format);
+ const GLenum texFormat = texImage->Format;
+ const GLint xoffsetb = xoffset + texImage->Border;
+ const GLint yoffsetb = yoffset + texImage->Border;
+ const GLint srcStride = _mesa_image_row_stride(&ctx->Unpack, width,
+ format, type);
+ const GLint dstStride = texImage->Width * texComponents *sizeof(GLubyte);
+ 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! */
+ }
- /*
- * Replace the texture subimage
- */
- {
- const GLint texComponents = components_in_intformat(destTex->Format);
- const GLenum texFormat = destTex->Format;
- const GLint xoffsetb = xoffset + destTex->Border;
- const GLint yoffsetb = yoffset + destTex->Border;
- GLubyte *dst = destTex->Data
- + (yoffsetb * destTex->Width + xoffsetb) * texComponents;
if (texFormat == GL_COLOR_INDEX) {
/* color index texture */
- const GLint stride = destTex->Width * sizeof(GLubyte);
+ GLubyte *dst = texImage->Data
+ + (yoffsetb * texImage->Width + xoffsetb) * texComponents;
+ const GLubyte *src = _mesa_image_address(&ctx->Unpack, pixels,
+ width, height, format, type, 0, 0, 0);
GLint row;
for (row = 0; row < height; row++) {
- const GLvoid *src = gl_pixel_addr_in_image(&ctx->Unpack, pixels,
- width, height, format, type, 0, row, 0);
- _mesa_unpack_index_span(ctx, width, GL_UNSIGNED_BYTE, dst,
- type, src, &ctx->Unpack, GL_TRUE);
- dst += stride;
+ _mesa_unpack_index_span(ctx, width, GL_UNSIGNED_BYTE, dst, type,
+ (const GLvoid *) src, &ctx->Unpack, GL_TRUE);
+ src += srcStride;
+ dst += dstStride;
}
}
else {
/* color texture */
- const GLint stride = destTex->Width * texComponents * sizeof(GLubyte);
+ GLubyte *dst = texImage->Data
+ + (yoffsetb * texImage->Width + xoffsetb) * texComponents;
+ const GLubyte *src = _mesa_image_address(&ctx->Unpack, pixels,
+ width, height, format, type, 0, 0, 0);
GLint row;
for (row = 0; row < height; row++) {
- const GLvoid *src = gl_pixel_addr_in_image(&ctx->Unpack, pixels,
- width, height, format, type, 0, row, 0);
- _mesa_unpack_ubyte_color_span(ctx, width, texFormat, dst,
- format, type, src, &ctx->Unpack, GL_TRUE);
- dst += stride;
+ _mesa_unpack_ubyte_color_span(ctx, width, texFormat, dst, format,
+ type, (const GLvoid *) src, &ctx->Unpack, GL_TRUE);
+ src += srcStride;
+ dst += dstStride;
}
}
- }
- gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[2] );
+ if (ctx->Driver.TexImage2D) {
+ (*ctx->Driver.TexImage2D)(ctx, target, level, texImage->Format,
+ GL_UNSIGNED_BYTE, texImage->Data,
+ &_mesa_native_packing, texObj, texImage,
+ &retain);
+ }
- /*
- * Inform device driver of texture image change.
- */
- if (ctx->Driver.TexSubImage) {
- (*ctx->Driver.TexSubImage)(ctx, GL_TEXTURE_2D, texUnit->CurrentD[2],
- level, xoffset, yoffset, width, height,
- texUnit->CurrentD[2]->Image[level]->IntFormat,
- destTex );
- }
- else {
- if (ctx->Driver.TexImage) {
- (*ctx->Driver.TexImage)(ctx, GL_TEXTURE_2D, texUnit->CurrentD[2],
- level,
- texUnit->CurrentD[2]->Image[level]->IntFormat,
- destTex );
+ if (!retain && texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
+ }
+
+#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
}
}
const GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- struct gl_texture_image *destTex;
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLboolean success = GL_FALSE;
if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset,
width, height, depth, format, type)) {
- /* error was detected */
- return;
+ return; /* error was detected */
}
- destTex = texUnit->CurrentD[3]->Image[level];
- assert(destTex);
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = texUnit->CurrentD[3];
+ texImage = texObj->Image[level];
+ assert(texImage);
if (width == 0 || height == 0 || height == 0 || !pixels)
return; /* no-op, not an error */
- /*
- * Replace the texture subimage
- */
- {
- const GLint texComponents = components_in_intformat(destTex->Format);
- const GLenum texFormat = destTex->Format;
- const GLint xoffsetb = xoffset + destTex->Border;
- const GLint yoffsetb = yoffset + destTex->Border;
- const GLint zoffsetb = zoffset + destTex->Border;
- GLint dstRectArea = destTex->Width * destTex->Height;
- GLubyte *dst = destTex->Data
- + (zoffsetb * dstRectArea + yoffsetb * destTex->Width + xoffsetb)
- * texComponents;
+ if (!ctx->Pixel.MapColorFlag && !ctx->Pixel.ScaleOrBiasRGBA
+ && 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 texComponents = components_in_intformat(texImage->Format);
+ const GLenum texFormat = texImage->Format;
+ const GLint xoffsetb = xoffset + texImage->Border;
+ const GLint yoffsetb = yoffset + texImage->Border;
+ const GLint zoffsetb = zoffset + texImage->Border;
+ const GLint texWidth = texImage->Width;
+ const GLint dstRectArea = texWidth * texImage->Height;
+ const GLint srcStride = _mesa_image_row_stride(&ctx->Unpack,
+ width, format, type);
+ const GLint dstStride = texWidth * texComponents * sizeof(GLubyte);
+ GLboolean retain = GL_TRUE;
if (texFormat == GL_COLOR_INDEX) {
/* color index texture */
- const GLint stride = destTex->Width * sizeof(GLubyte);
GLint img, row;
for (img = 0; img < depth; img++) {
+ const GLubyte *src = _mesa_image_address(&ctx->Unpack, pixels,
+ width, height, format, type, img, 0, 0);
+ GLubyte *dst = texImage->Data + ((zoffsetb + img) * dstRectArea
+ + yoffsetb * texWidth + xoffsetb) * texComponents;
for (row = 0; row < height; row++) {
- const GLvoid *src = gl_pixel_addr_in_image(&ctx->Unpack, pixels,
- width, height, format, type, img, row, 0);
_mesa_unpack_index_span(ctx, width, GL_UNSIGNED_BYTE, dst,
- type, src, &ctx->Unpack, GL_TRUE);
- dst += stride;
+ type, (const GLvoid *) src, &ctx->Unpack, GL_TRUE);
+ src += srcStride;
+ dst += dstStride;
}
}
}
else {
/* color texture */
- const GLint stride = destTex->Width * texComponents * sizeof(GLubyte);
GLint img, row;
for (img = 0; img < depth; img++) {
+ const GLubyte *src = _mesa_image_address(&ctx->Unpack, pixels,
+ width, height, format, type, img, 0, 0);
+ GLubyte *dst = texImage->Data + ((zoffsetb + img) * dstRectArea
+ + yoffsetb * texWidth + xoffsetb) * texComponents;
for (row = 0; row < height; row++) {
- const GLvoid *src = gl_pixel_addr_in_image(&ctx->Unpack, pixels,
- width, height, format, type, img, row, 0);
_mesa_unpack_ubyte_color_span(ctx, width, texFormat, dst,
- format, type, src, &ctx->Unpack, GL_TRUE);
- dst += stride;
+ format, type, (const GLvoid *) src, &ctx->Unpack, GL_TRUE);
+ src += srcStride;
+ dst += dstStride;
}
}
}
- }
- gl_put_texobj_on_dirty_list( ctx, texUnit->CurrentD[1] );
+ if (ctx->Driver.TexImage3D) {
+ (*ctx->Driver.TexImage3D)(ctx, target, level, texImage->Format,
+ GL_UNSIGNED_BYTE, texImage->Data,
+ &_mesa_native_packing, texObj, texImage,
+ &retain);
+ }
- /*
- * Inform device driver of texture image change.
- */
- /* XXX todo */
+ if (!retain && texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
+ }
+ }
}
GLint stride, i;
GLubyte *image, *dst;
- image = MALLOC(width * height * 4 * sizeof(GLubyte));
+ image = (GLubyte *) MALLOC(width * height * 4 * sizeof(GLubyte));
if (!image)
return NULL;
/* Select buffer to read from */
- (void) (*ctx->Driver.SetBuffer)( ctx, ctx->Pixel.DriverReadBuffer );
+ (*ctx->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer,
+ ctx->Pixel.DriverReadBuffer );
dst = image;
stride = width * 4 * sizeof(GLubyte);
for (i = 0; i < height; i++) {
- gl_read_rgba_span( ctx, width, x, y + i, (GLubyte (*)[4]) dst );
+ gl_read_rgba_span( ctx, ctx->ReadBuffer, width, x, y + i,
+ (GLubyte (*)[4]) dst );
dst += stride;
}
- /* Restore drawing buffer */
- (void) (*ctx->Driver.SetBuffer)( ctx, ctx->Color.DriverDrawBuffer );
+ /* Read from draw buffer (the default) */
+ (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer,
+ ctx->Color.DriverDrawBuffer );
return image;
}
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyTexImage1D");
- if (!copytexture_error_check(ctx, 1, target, level, internalFormat,
- width, 1, border)) {
+ if (copytexture_error_check(ctx, 1, target, level, internalFormat,
+ width, 1, border))
+ return;
+
+ if (ctx->Pixel.MapColorFlag || ctx->Pixel.ScaleOrBiasRGBA
+ || !ctx->Driver.CopyTexImage1D
+ || !(*ctx->Driver.CopyTexImage1D)(ctx, target, level,
+ internalFormat, x, y, width, border))
+ {
GLubyte *image = read_color_image( ctx, x, y, width, 1 );
if (!image) {
gl_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D" );
return;
}
- (*ctx->Exec.TexImage1D)( target, level, internalFormat, width,
- border, GL_RGBA, GL_UNSIGNED_BYTE, image );
+ (*ctx->Exec->TexImage1D)( target, level, internalFormat, width,
+ border, GL_RGBA, GL_UNSIGNED_BYTE, image );
FREE(image);
}
}
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyTexImage2D");
- if (!copytexture_error_check(ctx, 2, target, level, internalFormat,
- width, height, border)) {
+ if (copytexture_error_check(ctx, 2, target, level, internalFormat,
+ width, height, border))
+ return;
+
+ if (ctx->Pixel.MapColorFlag || ctx->Pixel.ScaleOrBiasRGBA
+ || !ctx->Driver.CopyTexImage2D
+ || !(*ctx->Driver.CopyTexImage2D)(ctx, target, level,
+ internalFormat, x, y, width, height, border))
+ {
GLubyte *image = read_color_image( ctx, x, y, width, height );
if (!image) {
gl_error( ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D" );
return;
}
- (ctx->Exec.TexImage2D)( target, level, internalFormat, width,
- height, border, GL_RGBA, GL_UNSIGNED_BYTE, image );
+ (ctx->Exec->TexImage2D)( target, level, internalFormat, width,
+ height, border, GL_RGBA, GL_UNSIGNED_BYTE, image );
FREE(image);
}
}
GLint srcx, GLint srcy,
GLint dstx, GLint dsty, GLint dstz )
{
- static struct gl_pixelstore_attrib packing = {
- 1, /* Alignment */
- 0, /* RowLength */
- 0, /* SkipPixels */
- 0, /* SkipRows */
- 0, /* ImageHeight */
- 0, /* SkipImages */
- GL_FALSE, /* SwapBytes */
- GL_FALSE /* LsbFirst */
- };
-
GLint i;
GLint format, components, rectarea;
GLint texwidth, texheight, zoffset;
components = components_in_intformat( format );
/* Select buffer to read from */
- (void) (*ctx->Driver.SetBuffer)( ctx, ctx->Pixel.DriverReadBuffer );
+ (*ctx->Driver.SetReadBuffer)( ctx, ctx->ReadBuffer,
+ ctx->Pixel.DriverReadBuffer );
for (i = 0;i < height; i++) {
GLubyte rgba[MAX_WIDTH][4];
GLubyte *dst;
- gl_read_rgba_span( ctx, width, srcx, srcy + i, rgba );
+ gl_read_rgba_span( ctx, ctx->ReadBuffer, width, srcx, srcy + i, rgba );
dst = dest->Data + ( zoffset + (dsty+i) * texwidth + dstx) * components;
_mesa_unpack_ubyte_color_span(ctx, width, format, dst,
GL_RGBA, GL_UNSIGNED_BYTE, rgba,
- &packing, GL_TRUE);
+ &_mesa_native_packing, GL_TRUE);
}
- /* Restore drawing buffer */
- (void) (*ctx->Driver.SetBuffer)( ctx, ctx->Color.DriverDrawBuffer );
+ /* Read from draw buffer (the default) */
+ (*ctx->Driver.SetReadBuffer)( ctx, ctx->DrawBuffer,
+ ctx->Color.DriverDrawBuffer );
}
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyTexSubImage1D");
- if (!copytexsubimage_error_check(ctx, 1, target, level,
- xoffset, 0, 0, width, 1)) {
+ if (copytexsubimage_error_check(ctx, 1, target, level,
+ xoffset, 0, 0, width, 1))
+ return;
+
+ if (ctx->Pixel.MapColorFlag || ctx->Pixel.ScaleOrBiasRGBA
+ || !ctx->Driver.CopyTexSubImage1D
+ || !(*ctx->Driver.CopyTexSubImage1D)(ctx, target, level,
+ xoffset, x, y, width)) {
struct gl_texture_unit *texUnit;
struct gl_texture_image *teximage;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
assert(teximage);
if (teximage->Data) {
copy_tex_sub_image(ctx, teximage, width, 1, x, y, xoffset, 0, 0);
- /* tell driver about the change */
- if (ctx->Driver.TexImage) {
- (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_1D,
- texUnit->CurrentD[1],
- level, teximage->IntFormat, teximage );
- }
+ /* tell driver about the change */
+ /* XXX this is obsolete */
+ if (ctx->Driver.TexImage) {
+ (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_1D,
+ texUnit->CurrentD[1],
+ level, teximage->IntFormat, teximage );
+ }
}
}
}
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyTexSubImage2D");
- if (!copytexsubimage_error_check(ctx, 2, target, level,
- xoffset, yoffset, 0, width, height)) {
+ if (copytexsubimage_error_check(ctx, 2, target, level,
+ xoffset, yoffset, 0, width, height))
+ return;
+
+ if (ctx->Pixel.MapColorFlag || ctx->Pixel.ScaleOrBiasRGBA
+ || !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;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
if (teximage->Data) {
copy_tex_sub_image(ctx, teximage, width, height,
x, y, xoffset, yoffset, 0);
- /* tell driver about the change */
- if (ctx->Driver.TexImage) {
- (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_2D,
- texUnit->CurrentD[2],
- level, teximage->IntFormat, teximage );
+ /* tell driver about the change */
+ /* XXX this is obsolete */
+ if (ctx->Driver.TexImage) {
+ (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_2D,
+ texUnit->CurrentD[2],
+ level, teximage->IntFormat, teximage );
}
}
}
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCopyTexSubImage3D");
- if (!copytexsubimage_error_check(ctx, 3, target, level,
- xoffset, yoffset, zoffset, width, height)) {
+ if (copytexsubimage_error_check(ctx, 3, target, level,
+ xoffset, yoffset, zoffset, width, height))
+ return;
+
+ if (ctx->Pixel.MapColorFlag || ctx->Pixel.ScaleOrBiasRGBA
+ || !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;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
if (teximage->Data) {
copy_tex_sub_image(ctx, teximage, width, height,
x, y, xoffset, yoffset, zoffset);
- /* tell driver about the change */
- if (ctx->Driver.TexImage) {
- (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_3D,
- texUnit->CurrentD[3],
- level, teximage->IntFormat, teximage );
- }
+ /* tell driver about the change */
+ /* XXX this is obsolete */
+ if (ctx->Driver.TexImage) {
+ (*ctx->Driver.TexImage)( ctx, GL_TEXTURE_3D,
+ texUnit->CurrentD[3],
+ level, teximage->IntFormat, teximage );
+ }
}
}
}
-
projects / mesa.git / blobdiff