* Texture image-related functions.
*/
-
+#include <stdbool.h>
#include "glheader.h"
#include "bufferobj.h"
#include "context.h"
#include "mfeatures.h"
#include "state.h"
#include "texcompress.h"
-#include "texfetch.h"
+#include "texcompress_cpal.h"
#include "teximage.h"
+#include "texobj.h"
#include "texstate.h"
-#include "texpal.h"
#include "mtypes.h"
+#include "glformats.h"
+
+/* Inexplicably, GL_HALF_FLOAT_OES has a different value than GL_HALF_FLOAT.
+ */
+#ifndef GL_HALF_FLOAT_OES
+#define GL_HALF_FLOAT_OES 0x8D61
+#endif
/**
* State changes which we care about for glCopyTex[Sub]Image() calls.
-/**
- * We allocate texture memory on 512-byte boundaries so we can use MMX/SSE
- * elsewhere.
- */
-void *
-_mesa_alloc_texmemory(GLsizei bytes)
-{
- return _mesa_align_malloc(bytes, 512);
-}
-
-
-/**
- * Free texture memory allocated with _mesa_alloc_texmemory()
- */
-void
-_mesa_free_texmemory(void *m)
-{
- _mesa_align_free(m);
-}
-
-
/**
* Return the simple base format for a given internal texture format.
* For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
*
* This is the format which is used during texture application (i.e. the
* texture format and env mode determine the arithmetic used.
- *
- * XXX this could be static
*/
GLint
_mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
; /* fallthrough */
}
- if (ctx->Extensions.EXT_texture_format_BGRA8888) {
+ /* GL_BGRA can be an internal format *only* in OpenGL ES (1.x or 2.0).
+ */
+ if (_mesa_is_gles(ctx)) {
switch (internalFormat) {
- case GL_BGRA_EXT:
+ case GL_BGRA:
return GL_RGBA;
default:
; /* fallthrough */
}
}
+ if (ctx->Extensions.ARB_ES2_compatibility) {
+ switch (internalFormat) {
+ case GL_RGB565:
+ return GL_RGB;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
if (ctx->Extensions.ARB_depth_texture) {
switch (internalFormat) {
case GL_DEPTH_COMPONENT:
}
#endif /* FEATURE_EXT_texture_sRGB */
- if (ctx->Extensions.EXT_texture_integer) {
+ if (ctx->Version >= 30 ||
+ ctx->Extensions.EXT_texture_integer) {
switch (internalFormat) {
case GL_RGBA8UI_EXT:
case GL_RGBA16UI_EXT:
case GL_RGBA8I_EXT:
case GL_RGBA16I_EXT:
case GL_RGBA32I_EXT:
+ case GL_RGB10_A2UI:
return GL_RGBA;
case GL_RGB8UI_EXT:
case GL_RGB16UI_EXT:
case GL_RGB16I_EXT:
case GL_RGB32I_EXT:
return GL_RGB;
+ }
+ }
+
+ if (ctx->Extensions.EXT_texture_integer) {
+ switch (internalFormat) {
case GL_ALPHA8UI_EXT:
case GL_ALPHA16UI_EXT:
case GL_ALPHA32UI_EXT:
case GL_R16UI:
case GL_R32I:
case GL_R32UI:
- if (!ctx->Extensions.EXT_texture_integer)
+ if (ctx->Version < 30 && !ctx->Extensions.EXT_texture_integer)
break;
/* FALLTHROUGH */
case GL_R8:
case GL_RG16UI:
case GL_RG32I:
case GL_RG32UI:
- if (!ctx->Extensions.EXT_texture_integer)
+ if (ctx->Version < 30 && !ctx->Extensions.EXT_texture_integer)
break;
/* FALLTHROUGH */
case GL_RG:
}
}
+ if (ctx->Extensions.OES_compressed_ETC1_RGB8_texture) {
+ switch (internalFormat) {
+ case GL_ETC1_RGB8_OES:
+ return GL_RGB;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->API == API_OPENGLES) {
+ switch (internalFormat) {
+ case GL_PALETTE4_RGB8_OES:
+ case GL_PALETTE4_R5_G6_B5_OES:
+ case GL_PALETTE8_RGB8_OES:
+ case GL_PALETTE8_R5_G6_B5_OES:
+ return GL_RGB;
+ case GL_PALETTE4_RGBA8_OES:
+ case GL_PALETTE8_RGB5_A1_OES:
+ case GL_PALETTE4_RGBA4_OES:
+ case GL_PALETTE4_RGB5_A1_OES:
+ case GL_PALETTE8_RGBA8_OES:
+ case GL_PALETTE8_RGBA4_OES:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
return -1; /* error */
}
GLuint
_mesa_tex_target_to_face(GLenum target)
{
- if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)
+ if (_mesa_is_cube_face(target))
return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
else
return 0;
/**
- * Store a gl_texture_image pointer in a gl_texture_object structure
- * according to the target and level parameters.
+ * Install gl_texture_image in a gl_texture_object according to the target
+ * and level parameters.
*
* \param tObj texture object.
* \param target texture target.
* \param level image level.
* \param texImage texture image.
*/
-void
-_mesa_set_tex_image(struct gl_texture_object *tObj,
- GLenum target, GLint level,
- struct gl_texture_image *texImage)
+static void
+set_tex_image(struct gl_texture_object *tObj,
+ GLenum target, GLint level,
+ struct gl_texture_image *texImage)
{
const GLuint face = _mesa_tex_target_to_face(target);
ASSERT(tObj);
ASSERT(texImage);
- ASSERT(target != GL_TEXTURE_RECTANGLE_NV || level == 0);
+ if (target == GL_TEXTURE_RECTANGLE_NV || target == GL_TEXTURE_EXTERNAL_OES)
+ assert(level == 0);
tObj->Image[face][level] = texImage;
/**
- * Free texture image data.
- * This function is a fallback called via ctx->Driver.FreeTextureImageBuffer().
- *
- * \param texImage texture image.
- *
- * Free the texture image data if it's not marked as client data.
- */
-void
-_mesa_free_texture_image_data(struct gl_context *ctx,
- struct gl_texture_image *texImage)
-{
- (void) ctx;
-
- if (texImage->Data && !texImage->IsClientData) {
- /* free the old texture data */
- _mesa_free_texmemory(texImage->Data);
- }
-
- texImage->Data = NULL;
-}
-
-
-/**
- * Free texture image.
+ * Free a gl_texture_image and associated data.
+ * This function is a fallback called via ctx->Driver.DeleteTextureImage().
*
* \param texImage texture image.
*
*/
ASSERT(ctx->Driver.FreeTextureImageBuffer);
ctx->Driver.FreeTextureImageBuffer( ctx, texImage );
-
- ASSERT(texImage->Data == NULL);
- if (texImage->ImageOffsets)
- free(texImage->ImageOffsets);
free(texImage);
}
GLboolean
_mesa_is_proxy_texture(GLenum target)
{
- /* NUM_TEXTURE_TARGETS should match number of terms below,
- * except there's no proxy for GL_TEXTURE_BUFFER.
+ /*
+ * NUM_TEXTURE_TARGETS should match number of terms below, except there's no
+ * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES.
*/
- assert(NUM_TEXTURE_TARGETS == 8);
+ assert(NUM_TEXTURE_TARGETS == 7 + 2);
return (target == GL_PROXY_TEXTURE_1D ||
target == GL_PROXY_TEXTURE_2D ||
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
return arrayTex ? ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX] : NULL;
case GL_TEXTURE_BUFFER:
- return ctx->Extensions.ARB_texture_buffer_object
+ return _mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.ARB_texture_buffer_object
? texUnit->CurrentTex[TEXTURE_BUFFER_INDEX] : NULL;
+ case GL_TEXTURE_EXTERNAL_OES:
+ return ctx->Extensions.OES_EGL_image_external
+ ? texUnit->CurrentTex[TEXTURE_EXTERNAL_INDEX] : NULL;
default:
_mesa_problem(NULL, "bad target in _mesa_select_tex_object()");
return NULL;
return NULL;
}
- _mesa_set_tex_image(texObj, target, level, texImage);
+ set_tex_image(texObj, target, level, texImage);
}
return texImage;
* \return pointer to texture image or NULL if invalid target, invalid
* level, or out of memory.
*/
-struct gl_texture_image *
-_mesa_get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level)
+static struct gl_texture_image *
+get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level)
{
struct gl_texture_image *texImage;
GLuint texIndex;
- if (level < 0 )
+ if (level < 0)
return NULL;
switch (target) {
case GL_TEXTURE_3D:
case GL_PROXY_TEXTURE_3D:
return ctx->Const.Max3DTextureLevels;
+ case GL_TEXTURE_CUBE_MAP:
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->Extensions.ARB_texture_cube_map
? ctx->Const.MaxCubeTextureLevels : 0;
ctx->Extensions.EXT_texture_array)
? ctx->Const.MaxTextureLevels : 0;
case GL_TEXTURE_BUFFER:
+ return _mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.ARB_texture_buffer_object
+ ? 1 : 0;
+ case GL_TEXTURE_EXTERNAL_OES:
/* fall-through */
default:
return 0; /* bad target */
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
case GL_TEXTURE_1D_ARRAY:
case GL_PROXY_TEXTURE_1D_ARRAY:
+ case GL_TEXTURE_EXTERNAL_OES:
return 2;
case GL_TEXTURE_3D:
case GL_PROXY_TEXTURE_3D:
/**
- * 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.
+ * Set the size and format-related fields of a gl_texture_image struct
+ * to zero. This is used when a proxy texture test fails.
*/
static void
clear_teximage_fields(struct gl_texture_image *img)
img->Width = 0;
img->Height = 0;
img->Depth = 0;
- img->RowStride = 0;
- if (img->ImageOffsets) {
- free(img->ImageOffsets);
- img->ImageOffsets = NULL;
- }
img->Width2 = 0;
img->Height2 = 0;
img->Depth2 = 0;
img->WidthLog2 = 0;
img->HeightLog2 = 0;
img->DepthLog2 = 0;
- img->Data = NULL;
img->TexFormat = MESA_FORMAT_NONE;
- img->FetchTexelc = NULL;
- img->FetchTexelf = NULL;
}
* Initialize basic fields of the gl_texture_image struct.
*
* \param ctx GL context.
- * \param target texture target (GL_TEXTURE_1D, GL_TEXTURE_RECTANGLE, etc).
* \param img texture image structure to be initialized.
* \param width image width.
* \param height image height.
* Note: width, height and depth include the border.
*/
void
-_mesa_init_teximage_fields(struct gl_context *ctx, GLenum target,
+_mesa_init_teximage_fields(struct gl_context *ctx,
struct gl_texture_image *img,
GLsizei width, GLsizei height, GLsizei depth,
GLint border, GLenum internalFormat,
gl_format format)
{
- GLint i, dims;
-
+ GLenum target;
ASSERT(img);
ASSERT(width >= 0);
ASSERT(height >= 0);
ASSERT(depth >= 0);
+ target = img->TexObject->Target;
img->_BaseFormat = _mesa_base_tex_format( ctx, internalFormat );
ASSERT(img->_BaseFormat > 0);
img->InternalFormat = internalFormat;
img->Width2 = width - 2 * border; /* == 1 << img->WidthLog2; */
img->WidthLog2 = _mesa_logbase2(img->Width2);
- if (height == 1) { /* 1-D texture */
- img->Height2 = 1;
+ switch(target) {
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_BUFFER:
+ case GL_PROXY_TEXTURE_1D:
+ if (height == 0)
+ img->Height2 = 0;
+ else
+ img->Height2 = 1;
img->HeightLog2 = 0;
- }
- else {
+ if (depth == 0)
+ img->Depth2 = 0;
+ else
+ img->Depth2 = 1;
+ img->DepthLog2 = 0;
+ break;
+ case GL_TEXTURE_1D_ARRAY:
+ case GL_PROXY_TEXTURE_1D_ARRAY:
+ img->Height2 = height; /* no border */
+ img->HeightLog2 = 0; /* not used */
+ if (depth == 0)
+ img->Depth2 = 0;
+ else
+ img->Depth2 = 1;
+ img->DepthLog2 = 0;
+ break;
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_RECTANGLE:
+ case GL_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ case GL_TEXTURE_EXTERNAL_OES:
+ case GL_PROXY_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_RECTANGLE:
+ case GL_PROXY_TEXTURE_CUBE_MAP:
img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
img->HeightLog2 = _mesa_logbase2(img->Height2);
- }
-
- if (depth == 1) { /* 2-D texture */
- img->Depth2 = 1;
+ if (depth == 0)
+ img->Depth2 = 0;
+ else
+ img->Depth2 = 1;
img->DepthLog2 = 0;
- }
- else {
+ break;
+ case GL_TEXTURE_2D_ARRAY:
+ case GL_PROXY_TEXTURE_2D_ARRAY:
+ img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
+ img->HeightLog2 = _mesa_logbase2(img->Height2);
+ img->Depth2 = depth; /* no border */
+ img->DepthLog2 = 0; /* not used */
+ break;
+ case GL_TEXTURE_3D:
+ case GL_PROXY_TEXTURE_3D:
+ img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
+ img->HeightLog2 = _mesa_logbase2(img->Height2);
img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */
img->DepthLog2 = _mesa_logbase2(img->Depth2);
+ break;
+ default:
+ _mesa_problem(NULL, "invalid target 0x%x in _mesa_init_teximage_fields()",
+ target);
}
img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
-
- if ((width == 1 || _mesa_is_pow_two(img->Width2)) &&
- (height == 1 || _mesa_is_pow_two(img->Height2)) &&
- (depth == 1 || _mesa_is_pow_two(img->Depth2)))
- img->_IsPowerOfTwo = GL_TRUE;
- else
- img->_IsPowerOfTwo = GL_FALSE;
-
- /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
- img->RowStride = width;
- /* Allocate the ImageOffsets array and initialize to typical values.
- * We allocate the array for 1D/2D textures too in order to avoid special-
- * case code in the texstore routines.
- */
- if (img->ImageOffsets)
- free(img->ImageOffsets);
- img->ImageOffsets = (GLuint *) malloc(depth * sizeof(GLuint));
- for (i = 0; i < depth; i++) {
- img->ImageOffsets[i] = i * width * height;
- }
-
- /* 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;
- }
-
img->TexFormat = format;
-
- dims = _mesa_get_texture_dimensions(target);
-
- _mesa_set_fetch_functions(img, dims);
}
switch (target) {
case GL_PROXY_TEXTURE_1D:
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
+ if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
if (level >= ctx->Const.MaxTextureLevels)
return GL_FALSE;
case GL_PROXY_TEXTURE_2D:
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
+ if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
- if (height < 2 * border || height > 2 + maxSize)
+ if (height < 2 * border || height > 2 * border + maxSize)
return GL_FALSE;
if (level >= ctx->Const.MaxTextureLevels)
return GL_FALSE;
case GL_PROXY_TEXTURE_3D:
maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
+ if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
- if (height < 2 * border || height > 2 + maxSize)
+ if (height < 2 * border || height > 2 * border + maxSize)
return GL_FALSE;
- if (depth < 2 * border || depth > 2 + maxSize)
+ if (depth < 2 * border || depth > 2 * border + maxSize)
return GL_FALSE;
if (level >= ctx->Const.Max3DTextureLevels)
return GL_FALSE;
case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
+ if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
- if (height < 2 * border || height > 2 + maxSize)
+ if (height < 2 * border || height > 2 * border + maxSize)
return GL_FALSE;
if (level >= ctx->Const.MaxCubeTextureLevels)
return GL_FALSE;
case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
+ if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
if (height < 1 || height > ctx->Const.MaxArrayTextureLayers)
return GL_FALSE;
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
+ if (width < 2 * border || width > 2 * border + maxSize)
return GL_FALSE;
- if (height < 2 * border || height > 2 + maxSize)
+ if (height < 2 * border || height > 2 * border + maxSize)
return GL_FALSE;
if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers)
return GL_FALSE;
}
+/**
+ * Return true if the format is only valid for glCompressedTexImage.
+ */
+static GLboolean
+compressedteximage_only_format(const struct gl_context *ctx, GLenum format)
+{
+ switch (format) {
+ case GL_ETC1_RGB8_OES:
+ case GL_PALETTE4_RGB8_OES:
+ case GL_PALETTE4_RGBA8_OES:
+ case GL_PALETTE4_R5_G6_B5_OES:
+ case GL_PALETTE4_RGBA4_OES:
+ case GL_PALETTE4_RGB5_A1_OES:
+ case GL_PALETTE8_RGB8_OES:
+ case GL_PALETTE8_RGBA8_OES:
+ case GL_PALETTE8_R5_G6_B5_OES:
+ case GL_PALETTE8_RGBA4_OES:
+ case GL_PALETTE8_RGB5_A1_OES:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
/**
* Helper function to determine whether a target and specific compression
switch (target) {
case GL_TEXTURE_1D:
case GL_PROXY_TEXTURE_1D:
- return GL_TRUE;
+ return _mesa_is_desktop_gl(ctx);
default:
return GL_FALSE;
}
case 2:
switch (target) {
case GL_TEXTURE_2D:
- case GL_PROXY_TEXTURE_2D:
return GL_TRUE;
+ case GL_PROXY_TEXTURE_2D:
+ return _mesa_is_desktop_gl(ctx);
case GL_PROXY_TEXTURE_CUBE_MAP:
+ return _mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.ARB_texture_cube_map;
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
return ctx->Extensions.ARB_texture_cube_map;
case GL_TEXTURE_RECTANGLE_NV:
case GL_PROXY_TEXTURE_RECTANGLE_NV:
- return ctx->Extensions.NV_texture_rectangle;
+ return _mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.NV_texture_rectangle;
case GL_TEXTURE_1D_ARRAY_EXT:
case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
+ return _mesa_is_desktop_gl(ctx)
+ && (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array);
default:
return GL_FALSE;
}
case 3:
switch (target) {
case GL_TEXTURE_3D:
- case GL_PROXY_TEXTURE_3D:
return GL_TRUE;
+ case GL_PROXY_TEXTURE_3D:
+ return _mesa_is_desktop_gl(ctx);
case GL_TEXTURE_2D_ARRAY_EXT:
+ return (_mesa_is_desktop_gl(ctx)
+ && (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array))
+ || _mesa_is_gles3(ctx);
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
+ return _mesa_is_desktop_gl(ctx)
+ && (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array);
default:
return GL_FALSE;
}
{
switch (dims) {
case 1:
- return target == GL_TEXTURE_1D;
+ return _mesa_is_desktop_gl(ctx) && target == GL_TEXTURE_1D;
case 2:
switch (target) {
case GL_TEXTURE_2D:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
return ctx->Extensions.ARB_texture_cube_map;
case GL_TEXTURE_RECTANGLE_NV:
- return ctx->Extensions.NV_texture_rectangle;
+ return _mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.NV_texture_rectangle;
case GL_TEXTURE_1D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
+ return _mesa_is_desktop_gl(ctx)
+ && (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array);
default:
return GL_FALSE;
}
case GL_TEXTURE_3D:
return GL_TRUE;
case GL_TEXTURE_2D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
+ return (_mesa_is_desktop_gl(ctx)
+ && (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array))
+ || _mesa_is_gles3(ctx);
default:
return GL_FALSE;
}
}
+/**
+ * Helper function to determine if a texture object is mutable (in terms
+ * of GL_ARB_texture_storage).
+ */
+static GLboolean
+mutable_tex_object(struct gl_context *ctx, GLenum target)
+{
+ if (ctx->Extensions.ARB_texture_storage) {
+ struct gl_texture_object *texObj =
+ _mesa_get_current_tex_object(ctx, target);
+ return !texObj->Immutable;
+ }
+ return GL_TRUE;
+}
+
+
+GLenum
+_mesa_es_error_check_format_and_type(GLenum format, GLenum type,
+ unsigned dimensions)
+{
+ bool type_valid = true;
+
+ switch (format) {
+ case GL_ALPHA:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ type_valid = (type == GL_UNSIGNED_BYTE
+ || type == GL_FLOAT
+ || type == GL_HALF_FLOAT_OES);
+ break;
+
+ case GL_RGB:
+ type_valid = (type == GL_UNSIGNED_BYTE
+ || type == GL_UNSIGNED_SHORT_5_6_5
+ || type == GL_FLOAT
+ || type == GL_HALF_FLOAT_OES);
+ break;
+
+ case GL_RGBA:
+ type_valid = (type == GL_UNSIGNED_BYTE
+ || type == GL_UNSIGNED_SHORT_4_4_4_4
+ || type == GL_UNSIGNED_SHORT_5_5_5_1
+ || type == GL_FLOAT
+ || type == GL_HALF_FLOAT_OES
+ || type == GL_UNSIGNED_INT_2_10_10_10_REV);
+ break;
+
+ case GL_DEPTH_COMPONENT:
+ /* This format is filtered against invalid dimensionalities elsewhere.
+ */
+ type_valid = (type == GL_UNSIGNED_SHORT
+ || type == GL_UNSIGNED_INT);
+ break;
+
+ case GL_DEPTH_STENCIL:
+ /* This format is filtered against invalid dimensionalities elsewhere.
+ */
+ type_valid = (type == GL_UNSIGNED_INT_24_8);
+ break;
+
+ case GL_BGRA_EXT:
+ type_valid = (type == GL_UNSIGNED_BYTE);
+
+ /* This feels like a bug in the EXT_texture_format_BGRA8888 spec, but
+ * the format does not appear to be allowed for 3D textures in OpenGL
+ * ES.
+ */
+ if (dimensions != 2)
+ return GL_INVALID_VALUE;
+
+ break;
+
+ default:
+ return GL_INVALID_VALUE;
+ }
+
+ return type_valid ? GL_NO_ERROR : GL_INVALID_OPERATION;
+}
+
+
+
+/**
+ * Return expected size of a compressed texture.
+ */
+static GLuint
+compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth,
+ GLenum glformat)
+{
+ gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
+ return _mesa_format_image_size(mesaFormat, width, height, depth);
+}
+
+
+/*
+ * Return compressed texture block size, in pixels.
+ */
+static void
+get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh)
+{
+ gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
+ _mesa_get_format_block_size(mesaFormat, bw, bh);
+}
+
+
+/**
+ * Special value returned by error some texture error checking functions when
+ * an error is detected and the proxy texture image's width/height/depth/format
+ * fields should be zeroed-out.
+ */
+#define PROXY_ERROR 2
+
+
/**
* Test the glTexImage[123]D() parameters for errors.
*
* \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.
+ * \return PROXY_ERROR if there's an error that should zero-out the proxy image,
+ * GL_TRUE if a regular GL error is found, or GL_FALSE if no error,
*
* Verifies each of the parameters against the constants specified in
* __struct gl_contextRec::Const and the supported extensions, and according
* to the OpenGL specification.
*/
-static GLboolean
+static GLenum
texture_error_check( struct gl_context *ctx,
GLuint dimensions, GLenum target,
GLint level, GLint internalFormat,
const GLboolean isProxy = target == proxyTarget;
GLboolean sizeOK = GL_TRUE;
GLboolean colorFormat;
+ GLenum err;
/* Even though there are no color-index textures, we still have to support
* uploading color-index data and remapping it to RGB via the
*/
const GLboolean indexFormat = (format == GL_COLOR_INDEX);
+ /* Note: for proxy textures, some error conditions immediately generate
+ * a GL error in the usual way. But others do not generate a GL error.
+ * Instead, they cause the width, height, depth, format fields of the
+ * texture image to be zeroed-out. The GL spec seems to indicate that the
+ * zero-out behaviour is only used in cases related to memory allocation.
+ */
+
/* 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);
- }
+ _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 ||
+ ((ctx->API != API_OPENGL ||
+ 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);
- }
+ _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);
- }
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(width, height or depth < 0)", dimensions);
return GL_TRUE;
}
+ /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
+ * combinations of format, internalFormat, and type that can be used.
+ * Formats and types that require additional extensions (e.g., GL_FLOAT
+ * requires GL_OES_texture_float) are filtered elsewhere.
+ */
+ if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) {
+ if (format != internalFormat) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(format = %s, internalFormat = %s)",
+ dimensions,
+ _mesa_lookup_enum_by_nr(format),
+ _mesa_lookup_enum_by_nr(internalFormat));
+ return GL_TRUE;
+ }
+
+ err = _mesa_es_error_check_format_and_type(format, type, dimensions);
+ if (err != GL_NO_ERROR) {
+ _mesa_error(ctx, err,
+ "glTexImage%dD(format = %s, type = %s)",
+ dimensions,
+ _mesa_lookup_enum_by_nr(format),
+ _mesa_lookup_enum_by_nr(type));
+ return GL_TRUE;
+ }
+ }
+
/* Do this simple check before calling the TestProxyTexImage() function */
if (proxyTarget == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
sizeOK = (width == height);
type, width, height,
depth, border);
if (!sizeOK) {
- if (!isProxy) {
+ if (isProxy) {
+ /* No GL error is recorded, but we need to zero-out the image dims */
+ return PROXY_ERROR;
+ }
+ else {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)",
dimensions, level, width, height, depth);
+ return GL_TRUE;
}
- return GL_TRUE;
}
/* Check internalFormat */
if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
- if (!isProxy) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexImage%dD(internalFormat=%s)",
- dimensions, _mesa_lookup_enum_by_nr(internalFormat));
- }
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(internalFormat=%s)",
+ dimensions, _mesa_lookup_enum_by_nr(internalFormat));
return GL_TRUE;
}
/* Check incoming image format and type */
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- /* Normally, GL_INVALID_OPERATION is generated by a format/type
- * mismatch (see the 1.2 spec page 94, sec 3.6.4.). But with the
- * GL_EXT_texture_integer extension, some combinations should generate
- * GL_INVALID_ENUM instead (grr!).
- */
- if (!isProxy) {
- GLenum error = _mesa_is_integer_format(format)
- ? GL_INVALID_ENUM : GL_INVALID_OPERATION;
- _mesa_error(ctx, error,
- "glTexImage%dD(incompatible format 0x%x, type 0x%x)",
- dimensions, format, type);
- }
+ err = _mesa_error_check_format_and_type(ctx, format, type);
+ if (err != GL_NO_ERROR) {
+ _mesa_error(ctx, err,
+ "glTexImage%dD(incompatible format 0x%x, type 0x%x)",
+ dimensions, format, type);
return GL_TRUE;
}
(_mesa_is_ycbcr_format(internalFormat) != _mesa_is_ycbcr_format(format)) ||
(_mesa_is_depthstencil_format(internalFormat) != _mesa_is_depthstencil_format(format)) ||
(_mesa_is_dudv_format(internalFormat) != _mesa_is_dudv_format(format))) {
- if (!isProxy)
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexImage%dD(incompatible internalFormat 0x%x, format 0x%x)",
- dimensions, internalFormat, format);
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(incompatible internalFormat 0x%x, format 0x%x)",
+ dimensions, internalFormat, format);
return GL_TRUE;
}
type != GL_UNSIGNED_SHORT_8_8_REV_MESA) {
char message[100];
_mesa_snprintf(message, sizeof(message),
- "glTexImage%dD(format/type YCBCR mismatch", dimensions);
+ "glTexImage%dD(format/type YCBCR mismatch)",
+ dimensions);
_mesa_error(ctx, GL_INVALID_ENUM, "%s", message);
return GL_TRUE; /* error */
}
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)");
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexImage%dD(bad target for YCbCr texture)",
+ dimensions);
return GL_TRUE;
}
if (border != 0) {
- if (!isProxy) {
- char message[100];
- _mesa_snprintf(message, sizeof(message),
- "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
- dimensions, border);
- _mesa_error(ctx, GL_INVALID_VALUE, "%s", message);
- }
+ char message[100];
+ _mesa_snprintf(message, sizeof(message),
+ "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
+ dimensions, border);
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s", message);
return GL_TRUE;
}
}
/* additional checks for depth textures */
if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT) {
- /* Only 1D, 2D, rect and array textures supported, not 3D or cubes */
+ /* Only 1D, 2D, rect, array and cube textures supported, not 3D
+ * Cubemaps are only supported for GL version > 3.0 or with EXT_gpu_shader4 */
if (target != GL_TEXTURE_1D &&
target != GL_PROXY_TEXTURE_1D &&
target != GL_TEXTURE_2D &&
target != GL_TEXTURE_2D_ARRAY &&
target != GL_PROXY_TEXTURE_2D_ARRAY &&
target != GL_TEXTURE_RECTANGLE_ARB &&
- target != GL_PROXY_TEXTURE_RECTANGLE_ARB) {
- if (!isProxy)
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexImage(target/internalFormat)");
+ target != GL_PROXY_TEXTURE_RECTANGLE_ARB &&
+ !((_mesa_is_cube_face(target) || target == GL_PROXY_TEXTURE_CUBE_MAP) &&
+ (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4))) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexImage%dD(bad target for depth texture)",
+ dimensions);
return GL_TRUE;
}
}
/* additional checks for compressed textures */
if (_mesa_is_compressed_format(ctx, internalFormat)) {
if (!target_can_be_compressed(ctx, target, internalFormat)) {
- if (!isProxy)
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexImage%dD(target)", dimensions);
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexImage%dD(target can't be compressed)", dimensions);
return GL_TRUE;
}
- if (border != 0) {
- if (!isProxy) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexImage%dD(border!=0)", dimensions);
- }
+ if (compressedteximage_only_format(ctx, internalFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(no compression for format)", dimensions);
return GL_TRUE;
}
- }
-
- /* additional checks for integer textures */
- if (ctx->Extensions.EXT_texture_integer &&
- (_mesa_is_integer_format(format) !=
- _mesa_is_integer_format(internalFormat))) {
- if (!isProxy) {
+ if (border != 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexImage%dD(integer/non-integer format mismatch)",
- dimensions);
+ "glTexImage%dD(border!=0)", dimensions);
+ return GL_TRUE;
}
+ }
+
+ /* additional checks for integer textures */
+ if ((ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) &&
+ (_mesa_is_enum_format_integer(format) !=
+ _mesa_is_enum_format_integer(internalFormat))) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(integer/non-integer format mismatch)",
+ dimensions);
+ return GL_TRUE;
+ }
+
+ if (!mutable_tex_object(ctx, target)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(immutable texture)", dimensions);
return GL_TRUE;
}
}
+/**
+ * Error checking for glCompressedTexImage[123]D().
+ * \param reason returns reason for error, if any
+ * \return error code or GL_NO_ERROR or PROXY_ERROR.
+ */
+static GLenum
+compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
+ GLenum target, GLint level,
+ GLenum internalFormat, GLsizei width,
+ GLsizei height, GLsizei depth, GLint border,
+ GLsizei imageSize)
+{
+ const GLenum proxyTarget = get_proxy_target(target);
+ const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
+ GLint expectedSize;
+ GLenum choose_format;
+ GLenum choose_type;
+ GLenum proxy_format;
+ GLenum error = GL_NO_ERROR;
+ char *reason = ""; /* no error */
+
+ if (!target_can_be_compressed(ctx, target, internalFormat)) {
+ reason = "target";
+ error = GL_INVALID_ENUM;
+ goto error;
+ }
+
+ /* This will detect any invalid internalFormat value */
+ if (!_mesa_is_compressed_format(ctx, internalFormat)) {
+ reason = "internalFormat";
+ error = GL_INVALID_ENUM;
+ goto error;
+ }
+
+ switch (internalFormat) {
+#if FEATURE_ES
+ case GL_PALETTE4_RGB8_OES:
+ case GL_PALETTE4_RGBA8_OES:
+ case GL_PALETTE4_R5_G6_B5_OES:
+ case GL_PALETTE4_RGBA4_OES:
+ case GL_PALETTE4_RGB5_A1_OES:
+ case GL_PALETTE8_RGB8_OES:
+ case GL_PALETTE8_RGBA8_OES:
+ case GL_PALETTE8_R5_G6_B5_OES:
+ case GL_PALETTE8_RGBA4_OES:
+ case GL_PALETTE8_RGB5_A1_OES:
+ _mesa_cpal_compressed_format_type(internalFormat, &choose_format,
+ &choose_type);
+ proxy_format = choose_format;
+
+ /* check level (note that level should be zero or less!) */
+ if (level > 0 || level < -maxLevels) {
+ reason = "level";
+ error = GL_INVALID_VALUE;
+ goto error;
+ }
+
+ if (dimensions != 2) {
+ reason = "compressed paletted textures must be 2D";
+ error = GL_INVALID_OPERATION;
+ goto error;
+ }
+
+ /* Figure out the expected texture size (in bytes). This will be
+ * checked against the actual size later.
+ */
+ expectedSize = _mesa_cpal_compressed_size(level, internalFormat,
+ width, height);
+
+ /* This is for the benefit of the TestProxyTexImage below. It expects
+ * level to be non-negative. OES_compressed_paletted_texture uses a
+ * weird mechanism where the level specified to glCompressedTexImage2D
+ * is -(n-1) number of levels in the texture, and the data specifies the
+ * complete mipmap stack. This is done to ensure the palette is the
+ * same for all levels.
+ */
+ level = -level;
+ break;
+#endif
+
+ default:
+ choose_format = GL_NONE;
+ choose_type = GL_NONE;
+ proxy_format = internalFormat;
+
+ /* check level */
+ if (level < 0 || level >= maxLevels) {
+ reason = "level";
+ error = GL_INVALID_VALUE;
+ goto error;
+ }
+
+ /* Figure out the expected texture size (in bytes). This will be
+ * checked against the actual size later.
+ */
+ expectedSize = compressed_tex_size(width, height, depth, internalFormat);
+ break;
+ }
+
+ /* This should really never fail */
+ if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
+ reason = "internalFormat";
+ error = GL_INVALID_ENUM;
+ goto error;
+ }
+
+ /* No compressed formats support borders at this time */
+ if (border != 0) {
+ reason = "border != 0";
+ error = GL_INVALID_VALUE;
+ goto error;
+ }
+
+ /* For cube map, width must equal height */
+ if (_mesa_is_cube_face(target) && width != height) {
+ reason = "width != height";
+ error = GL_INVALID_VALUE;
+ goto error;
+ }
+
+ /* check image size against compression block size */
+ {
+ gl_format texFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, target, proxy_format,
+ choose_format, choose_type);
+ GLuint bw, bh;
+
+ _mesa_get_format_block_size(texFormat, &bw, &bh);
+ if ((width > bw && width % bw > 0) ||
+ (height > bh && height % bh > 0)) {
+ /*
+ * Per GL_ARB_texture_compression: GL_INVALID_OPERATION is
+ * generated [...] if any parameter combinations are not
+ * supported by the specific compressed internal format.
+ */
+ reason = "invalid width or height for compression format";
+ error = GL_INVALID_OPERATION;
+ goto error;
+ }
+ }
+
+ /* check image sizes */
+ if (!ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
+ proxy_format, choose_format,
+ choose_type,
+ width, height, depth, border)) {
+ /* See error comment above */
+ if (target == proxyTarget) {
+ return PROXY_ERROR;
+ }
+ reason = "invalid width, height or format";
+ error = GL_INVALID_OPERATION;
+ goto error;
+ }
+
+ /* check image size in bytes */
+ if (expectedSize != imageSize) {
+ /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
+ * if <imageSize> is not consistent with the format, dimensions, and
+ * contents of the specified image.
+ */
+ reason = "imageSize inconsistant with width/height/format";
+ error = GL_INVALID_VALUE;
+ goto error;
+ }
+
+ if (!mutable_tex_object(ctx, target)) {
+ reason = "immutable texture";
+ error = GL_INVALID_OPERATION;
+ goto error;
+ }
+
+ return GL_NO_ERROR;
+
+error:
+ _mesa_error(ctx, error, "glCompressedTexImage%dD(%s)", dimensions, reason);
+ return error;
+}
+
+
+
/**
* Test glTexSubImage[123]D() parameters for errors.
*
GLint width, GLint height, GLint depth,
GLenum format, GLenum type )
{
+ GLenum err;
+
/* Basic level check */
if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
_mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level=%d)", level);
return GL_TRUE;
}
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- /* As with the glTexImage2D check above, the error code here
- * depends on texture integer.
- */
- GLenum error = _mesa_is_integer_format(format)
- ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
- _mesa_error(ctx, error,
+ /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
+ * combinations of format and type that can be used. Formats and types
+ * that require additional extensions (e.g., GL_FLOAT requires
+ * GL_OES_texture_float) are filtered elsewhere.
+ */
+ if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) {
+ err = _mesa_es_error_check_format_and_type(format, type, dimensions);
+ if (err != GL_NO_ERROR) {
+ _mesa_error(ctx, err,
+ "glTexSubImage%dD(format = %s, type = %s)",
+ dimensions,
+ _mesa_lookup_enum_by_nr(format),
+ _mesa_lookup_enum_by_nr(type));
+ return GL_TRUE;
+ }
+ }
+
+ err = _mesa_error_check_format_and_type(ctx, format, type);
+ if (err != GL_NO_ERROR) {
+ _mesa_error(ctx, err,
"glTexSubImage%dD(incompatible format 0x%x, type 0x%x)",
dimensions, format, type);
return GL_TRUE;
return GL_TRUE;
}
if (dimensions > 1) {
- if (yoffset < -((GLint)destTex->Border)) {
+ GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : destTex->Border;
+ if (yoffset < -yBorder) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset)",
dimensions);
return GL_TRUE;
}
- if (yoffset + height > (GLint) (destTex->Height + destTex->Border)) {
+ if (yoffset + height > (GLint) destTex->Height + yBorder) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset+height)",
dimensions);
return GL_TRUE;
}
}
if (dimensions > 2) {
- if (zoffset < -((GLint)destTex->Border)) {
+ GLint zBorder = (target == GL_TEXTURE_2D_ARRAY) ? 0 : destTex->Border;
+ if (zoffset < -zBorder) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset)");
return GL_TRUE;
}
- if (zoffset + depth > (GLint) (destTex->Depth + destTex->Border)) {
+ if (zoffset + depth > (GLint) destTex->Depth + zBorder) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset+depth)");
return GL_TRUE;
}
if (_mesa_is_format_compressed(destTex->TexFormat)) {
GLuint bw, bh;
+ if (compressedteximage_only_format(ctx, destTex->InternalFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexSubImage%dD(no compression for format)", dimensions);
+ return GL_TRUE;
+ }
+
/* do tests which depend on compression block size */
_mesa_get_format_block_size(destTex->TexFormat, &bw, &bh);
}
}
+ if (ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) {
+ /* both source and dest must be integer-valued, or neither */
+ if (_mesa_is_format_integer_color(destTex->TexFormat) !=
+ _mesa_is_enum_format_integer(format)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexSubImage%dD(integer/non-integer format mismatch)",
+ dimensions);
+ return GL_TRUE;
+ }
+ }
+
return GL_FALSE;
}
const GLenum proxyTarget = get_proxy_target(target);
const GLenum type = GL_FLOAT;
GLboolean sizeOK;
- GLint format;
+ GLint baseFormat;
/* check target */
if (!legal_texsubimage_target(ctx, dimensions, target)) {
}
/* Check that the source buffer is complete */
- if (ctx->ReadBuffer->Name) {
+ if (_mesa_is_user_fbo(ctx->ReadBuffer)) {
if (ctx->ReadBuffer->_Status == 0) {
_mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
}
"glCopyTexImage%dD(invalid readbuffer)", dimensions);
return GL_TRUE;
}
+
+ if (ctx->ReadBuffer->Visual.samples > 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(multisample FBO)",
+ dimensions);
+ return GL_TRUE;
+ }
}
/* Check border */
if (border < 0 || border > 1 ||
- ((target == GL_TEXTURE_RECTANGLE_NV ||
+ ((ctx->API != API_OPENGL ||
+ target == GL_TEXTURE_RECTANGLE_NV ||
target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexImage%dD(border=%d)", dimensions, border);
return GL_TRUE;
}
- format = _mesa_base_tex_format(ctx, internalFormat);
- if (format < 0) {
+ /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
+ * internalFormat.
+ */
+ if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) {
+ switch (internalFormat) {
+ case GL_ALPHA:
+ case GL_RGB:
+ case GL_RGBA:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexImage%dD(internalFormat)", dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ baseFormat = _mesa_base_tex_format(ctx, internalFormat);
+ if (baseFormat < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyTexImage%dD(internalFormat)", dimensions);
return GL_TRUE;
}
- if (!_mesa_source_buffer_exists(ctx, format)) {
+ if (!_mesa_source_buffer_exists(ctx, baseFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyTexImage%dD(missing readbuffer)", dimensions);
return GL_TRUE;
}
+ /* From the EXT_texture_integer spec:
+ *
+ * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
+ * if the texture internalformat is an integer format and the read color
+ * buffer is not an integer format, or if the internalformat is not an
+ * integer format and the read color buffer is an integer format."
+ */
+ if (_mesa_is_color_format(internalFormat)) {
+ struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
+
+ if (_mesa_is_enum_format_integer(rb->InternalFormat) !=
+ _mesa_is_enum_format_integer(internalFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(integer vs non-integer)", dimensions);
+ return GL_TRUE;
+ }
+ }
+
/* Do size, level checking */
sizeOK = (proxyTarget == GL_PROXY_TEXTURE_CUBE_MAP_ARB)
? (width == height) : 1;
sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
- internalFormat, format,
+ internalFormat, baseFormat,
type, width, height,
1, border);
"glCopyTexImage%dD(target)", dimensions);
return GL_TRUE;
}
- if (border != 0) {
+ if (compressedteximage_only_format(ctx, internalFormat)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexImage%dD(border!=0)", dimensions);
+ "glCopyTexImage%dD(no compression for format)", dimensions);
return GL_TRUE;
}
- }
- else if (_mesa_is_depth_format(internalFormat)) {
- /* make sure we have depth/stencil buffers */
- if (!ctx->ReadBuffer->_DepthBuffer) {
+ if (border != 0) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexImage%dD(no depth)", dimensions);
+ "glCopyTexImage%dD(border!=0)", dimensions);
return GL_TRUE;
}
}
- else if (_mesa_is_depthstencil_format(internalFormat)) {
- /* make sure we have depth/stencil buffers */
- if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexImage%dD(no depth/stencil buffer)", dimensions);
- return GL_TRUE;
- }
+
+ if (!mutable_tex_object(ctx, target)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(immutable texture)", dimensions);
+ return GL_TRUE;
}
/* if we get here, the parameters are OK */
GLenum target, GLint level)
{
/* Check that the source buffer is complete */
- if (ctx->ReadBuffer->Name) {
+ if (_mesa_is_user_fbo(ctx->ReadBuffer)) {
if (ctx->ReadBuffer->_Status == 0) {
_mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
}
"glCopyTexImage%dD(invalid readbuffer)", dimensions);
return GL_TRUE;
}
+
+ if (ctx->ReadBuffer->Visual.samples > 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexSubImage%dD(multisample FBO)",
+ dimensions);
+ return GL_TRUE;
+ }
}
/* check target (proxies not allowed) */
return GL_TRUE;
}
if (dimensions > 1) {
- if (yoffset < -((GLint)teximage->Border)) {
+ GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : teximage->Border;
+ if (yoffset < -yBorder) {
_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)) {
+ if (yoffset + height > (GLint) teximage->Height + yBorder) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyTexSubImage%dD(yoffset+height)", dimensions);
return GL_TRUE;
/* check z offset */
if (dimensions > 2) {
- if (zoffset < -((GLint)teximage->Border)) {
+ GLint zBorder = (target == GL_TEXTURE_2D_ARRAY) ? 0 : teximage->Border;
+ if (zoffset < -zBorder) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyTexSubImage%dD(zoffset)", dimensions);
return GL_TRUE;
}
- if (zoffset > (GLint) (teximage->Depth + teximage->Border)) {
+ if (zoffset > (GLint) teximage->Depth + zBorder) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glCopyTexSubImage%dD(zoffset+depth)", dimensions);
return GL_TRUE;
}
if (_mesa_is_format_compressed(teximage->TexFormat)) {
+ if (compressedteximage_only_format(ctx, teximage->InternalFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexSubImage%dD(no compression for format)", dimensions);
+ return GL_TRUE;
+ }
/* offset must be multiple of 4 */
if ((xoffset & 3) || (yoffset & 3)) {
_mesa_error(ctx, GL_INVALID_VALUE,
return GL_TRUE;
}
- if (teximage->_BaseFormat == GL_DEPTH_COMPONENT) {
- if (!ctx->ReadBuffer->_DepthBuffer) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexSubImage%dD(no depth buffer)",
- dimensions);
- return GL_TRUE;
- }
- }
- else if (teximage->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
- if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexSubImage%dD(no depth/stencil buffer)",
- dimensions);
- return GL_TRUE;
- }
- }
-
- /* If copying into an integer texture, the source buffer must also be
- * integer-valued.
+ /* From the EXT_texture_integer spec:
+ *
+ * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
+ * if the texture internalformat is an integer format and the read color
+ * buffer is not an integer format, or if the internalformat is not an
+ * integer format and the read color buffer is an integer format."
*/
- if (_mesa_is_format_integer_color(teximage->TexFormat)) {
+ if (_mesa_is_color_format(teximage->InternalFormat)) {
struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
- if (!_mesa_is_format_integer_color(rb->Format)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexSubImage%dD(source buffer is not integer format)",
- dimensions);
- return GL_TRUE;
+
+ if (_mesa_is_format_integer_color(rb->Format) !=
+ _mesa_is_format_integer_color(teximage->TexFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(integer vs non-integer)", dimensions);
+ return GL_TRUE;
}
}
const GLuint level = info->level, face = info->face;
/* If this is a user-created FBO */
- if (fb->Name) {
+ if (_mesa_is_user_fbo(fb)) {
GLuint i;
/* check if any of the FBO's attachments point to 'texObj' */
for (i = 0; i < BUFFER_COUNT; i++) {
* in size or format since that effects FBO completeness.
* Any FBOs rendering into the texture must be re-validated.
*/
-static void
-update_fbo_texture(struct gl_context *ctx, struct gl_texture_object *texObj,
- GLuint face, GLuint level)
+void
+_mesa_update_fbo_texture(struct gl_context *ctx,
+ struct gl_texture_object *texObj,
+ GLuint face, GLuint level)
{
/* Only check this texture if it's been marked as RenderToTexture */
if (texObj->_RenderToTexture) {
* changed the texture base level image, regenerate the rest of the
* mipmap levels now.
*/
-static INLINE void
+static inline void
check_gen_mipmap(struct gl_context *ctx, GLenum target,
struct gl_texture_object *texObj, GLint level)
{
}
/* choose format from scratch */
- f = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
+ f = ctx->Driver.ChooseTextureFormat(ctx, texObj->Target, internalFormat,
+ format, type);
ASSERT(f != MESA_FORMAT_NONE);
return f;
}
+/**
+ * Adjust pixel unpack params and image dimensions to strip off the
+ * one-pixel texture border.
+ *
+ * Gallium and intel don't support texture borders. They've seldem been used
+ * and seldom been implemented correctly anyway.
+ *
+ * \param unpackNew returns the new pixel unpack parameters
+ */
+static void
+strip_texture_border(GLenum target,
+ GLint *width, GLint *height, GLint *depth,
+ const struct gl_pixelstore_attrib *unpack,
+ struct gl_pixelstore_attrib *unpackNew)
+{
+ assert(width);
+ assert(height);
+ assert(depth);
+
+ *unpackNew = *unpack;
+
+ if (unpackNew->RowLength == 0)
+ unpackNew->RowLength = *width;
+
+ if (unpackNew->ImageHeight == 0)
+ unpackNew->ImageHeight = *height;
+
+ assert(*width >= 3);
+ unpackNew->SkipPixels++; /* skip the border */
+ *width = *width - 2; /* reduce the width by two border pixels */
+
+ /* The min height of a texture with a border is 3 */
+ if (*height >= 3 && target != GL_TEXTURE_1D_ARRAY) {
+ unpackNew->SkipRows++; /* skip the border */
+ *height = *height - 2; /* reduce the height by two border pixels */
+ }
+
+ if (*depth >= 3 && target != GL_TEXTURE_2D_ARRAY) {
+ unpackNew->SkipImages++; /* skip the border */
+ *depth = *depth - 2; /* reduce the depth by two border pixels */
+ }
+}
+
/**
- * Common code to implement all the glTexImage1D/2D/3D functions.
+ * Common code to implement all the glTexImage1D/2D/3D functions
+ * as well as glCompressedTexImage1D/2D/3D.
+ * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
+ * \param format the user's image format (only used if !compressed)
+ * \param type the user's image type (only used if !compressed)
+ * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
*/
static void
-teximage(struct gl_context *ctx, GLuint dims,
+teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
GLenum target, GLint level, GLint internalFormat,
GLsizei width, GLsizei height, GLsizei depth,
GLint border, GLenum format, GLenum type,
- const GLvoid *pixels)
+ GLsizei imageSize, const GLvoid *pixels)
{
- GLboolean error;
+ const char *func = compressed ? "glCompressedTexImage" : "glTexImage";
+ GLenum error;
+ struct gl_pixelstore_attrib unpack_no_border;
+ const struct gl_pixelstore_attrib *unpack = &ctx->Unpack;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx, "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
- dims,
- _mesa_lookup_enum_by_nr(target), level,
- _mesa_lookup_enum_by_nr(internalFormat),
- width, height, depth, border,
- _mesa_lookup_enum_by_nr(format),
- _mesa_lookup_enum_by_nr(type), pixels);
+ if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) {
+ if (compressed)
+ _mesa_debug(ctx,
+ "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
+ dims,
+ _mesa_lookup_enum_by_nr(target), level,
+ _mesa_lookup_enum_by_nr(internalFormat),
+ width, height, depth, border, pixels);
+ else
+ _mesa_debug(ctx,
+ "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
+ dims,
+ _mesa_lookup_enum_by_nr(target), level,
+ _mesa_lookup_enum_by_nr(internalFormat),
+ width, height, depth, border,
+ _mesa_lookup_enum_by_nr(format),
+ _mesa_lookup_enum_by_nr(type), pixels);
+ }
internalFormat = override_internal_format(internalFormat, width, height);
/* target error checking */
if (!legal_teximage_target(ctx, dims, target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage%uD(target=%s)",
- dims, _mesa_lookup_enum_by_nr(target));
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s%uD(target=%s)",
+ func, dims, _mesa_lookup_enum_by_nr(target));
return;
}
/* general error checking */
- error = texture_error_check(ctx, dims, target, level, internalFormat,
- format, type, width, height, depth, border);
+ if (compressed) {
+ error = compressed_texture_error_check(ctx, dims, target, level,
+ internalFormat,
+ width, height, depth,
+ border, imageSize);
+ }
+ else {
+ error = texture_error_check(ctx, dims, target, level, internalFormat,
+ format, type, width, height, depth, border);
+ }
+
+#if FEATURE_ES
+ /* Here we convert a cpal compressed image into a regular glTexImage2D
+ * call by decompressing the texture. If we really want to support cpal
+ * textures in any driver this would have to be changed.
+ */
+ if (compressed && !error && dims == 2) {
+ switch (internalFormat) {
+ case GL_PALETTE4_RGB8_OES:
+ case GL_PALETTE4_RGBA8_OES:
+ case GL_PALETTE4_R5_G6_B5_OES:
+ case GL_PALETTE4_RGBA4_OES:
+ case GL_PALETTE4_RGB5_A1_OES:
+ case GL_PALETTE8_RGB8_OES:
+ case GL_PALETTE8_RGBA8_OES:
+ case GL_PALETTE8_R5_G6_B5_OES:
+ case GL_PALETTE8_RGBA4_OES:
+ case GL_PALETTE8_RGB5_A1_OES:
+ _mesa_cpal_compressed_teximage2d(target, level, internalFormat,
+ width, height, imageSize, pixels);
+ return;
+ }
+ }
+#endif
if (_mesa_is_proxy_texture(target)) {
/* Proxy texture: just clear or set state depending on error checking */
struct gl_texture_image *texImage =
- _mesa_get_proxy_tex_image(ctx, target, level);
+ get_proxy_tex_image(ctx, target, level);
+ gl_format texFormat = MESA_FORMAT_NONE;
- if (error) {
- /* when error, clear all proxy texture image parameters */
- if (texImage)
- clear_teximage_fields(texImage);
- }
- else {
- /* no error, set the tex image parameters */
+ if (!error) {
+ /* No parameter errors. Choose a texture format and see if we
+ * can really allocate the texture.
+ */
struct gl_texture_object *texObj =
_mesa_get_current_tex_object(ctx, target);
- gl_format texFormat = _mesa_choose_texture_format(ctx, texObj,
- target, level,
- internalFormat,
- format, type);
-
- if (legal_texture_size(ctx, texFormat, width, height, depth)) {
- _mesa_init_teximage_fields(ctx, target, texImage, width, height,
- depth, border, internalFormat,
- texFormat);
+ texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
+ internalFormat, format, type);
+ if (!legal_texture_size(ctx, texFormat, width, height, depth)) {
+ error = PROXY_ERROR;
}
- else if (texImage) {
+ }
+
+ if (error == PROXY_ERROR) {
+ /* image too large, etc. Clear all proxy texture image parameters. */
+ if (texImage)
clear_teximage_fields(texImage);
- }
+ }
+ else if (error == GL_FALSE) {
+ /* no error: store the teximage parameters */
+ if (texImage)
+ _mesa_init_teximage_fields(ctx, texImage, width, height, depth,
+ border, internalFormat, texFormat);
+ }
+ else {
+ /* other, regular error (was already recorded) */
}
}
else {
return; /* error was recorded */
}
+ /* Allow a hardware driver to just strip out the border, to provide
+ * reliable but slightly incorrect hardware rendering instead of
+ * rarely-tested software fallback rendering.
+ */
+ if (border && ctx->Const.StripTextureBorder) {
+ strip_texture_border(target, &width, &height, &depth, unpack,
+ &unpack_no_border);
+ border = 0;
+ unpack = &unpack_no_border;
+ }
+
if (ctx->NewState & _NEW_PIXEL)
_mesa_update_state(ctx);
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims);
}
else {
gl_format texFormat;
ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
- ASSERT(texImage->Data == NULL);
texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
internalFormat, format,
type);
if (legal_texture_size(ctx, texFormat, width, height, depth)) {
- _mesa_init_teximage_fields(ctx, target, texImage,
+ _mesa_init_teximage_fields(ctx, texImage,
width, height, depth,
border, internalFormat, texFormat);
/* Give the texture to the driver. <pixels> may be null. */
- ASSERT(ctx->Driver.TexImage3D);
- switch (dims) {
- case 1:
- ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
- width, border, format,
- type, pixels, &ctx->Unpack, texObj,
- texImage);
- break;
- case 2:
- ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
- width, height, border, format,
- type, pixels, &ctx->Unpack, texObj,
- texImage);
- break;
- case 3:
- ctx->Driver.TexImage3D(ctx, target, level, internalFormat,
- width, height, depth, border, format,
- type, pixels, &ctx->Unpack, texObj,
- texImage);
- break;
- default:
- _mesa_problem(ctx, "invalid dims=%u in teximage()", dims);
+ if (compressed) {
+ ctx->Driver.CompressedTexImage(ctx, dims, texImage,
+ imageSize, pixels);
+ }
+ else {
+ ctx->Driver.TexImage(ctx, dims, texImage, format,
+ type, pixels, unpack);
}
check_gen_mipmap(ctx, target, texObj, level);
- update_fbo_texture(ctx, texObj, face, level);
+ _mesa_update_fbo_texture(ctx, texObj, face, level);
- /* state update */
- texObj->_Complete = GL_FALSE;
- ctx->NewState |= _NEW_TEXTURE;
+ _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
}
else {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims);
}
}
}
GLenum type, const GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
- teximage(ctx, 1, target, level, internalFormat, width, 1, 1,
- border, format, type, pixels);
+ teximage(ctx, GL_FALSE, 1, target, level, internalFormat, width, 1, 1,
+ border, format, type, 0, pixels);
}
const GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
- teximage(ctx, 2, target, level, internalFormat, width, height, 1,
- border, format, type, pixels);
+ teximage(ctx, GL_FALSE, 2, target, level, internalFormat, width, height, 1,
+ border, format, type, 0, pixels);
}
const GLvoid *pixels )
{
GET_CURRENT_CONTEXT(ctx);
- teximage(ctx, 3, target, level, internalFormat, width, height, depth,
- border, format, type, pixels);
+ teximage(ctx, GL_FALSE, 3, target, level, internalFormat,
+ width, height, depth,
+ border, format, type, 0, pixels);
}
{
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
+ bool valid_target;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (!ctx->Extensions.OES_EGL_image) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glEGLImageTargetTexture2DOES(unsupported)");
- return;
+ switch (target) {
+ case GL_TEXTURE_2D:
+ valid_target = ctx->Extensions.OES_EGL_image;
+ break;
+ case GL_TEXTURE_EXTERNAL_OES:
+ valid_target = ctx->Extensions.OES_EGL_image_external;
+ break;
+ default:
+ valid_target = false;
+ break;
}
- if (target != GL_TEXTURE_2D) {
+ if (!valid_target) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glEGLImageTargetTexture2D(target=%d)", target);
return;
texObj = _mesa_get_current_tex_object(ctx, target);
_mesa_lock_texture(ctx, texObj);
- texImage = _mesa_get_tex_image(ctx, texObj, target, 0);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D");
- } else {
+ if (texObj->Immutable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glEGLImageTargetTexture2D(texture is immutable)");
+ _mesa_unlock_texture(ctx, texObj);
+ return;
+ }
+
+ texImage = _mesa_get_tex_image(ctx, texObj, target, 0);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D");
+ } else {
ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
- ASSERT(texImage->Data == NULL);
ctx->Driver.EGLImageTargetTexture2D(ctx, target,
texObj, texImage, image);
- /* state update */
- texObj->_Complete = GL_FALSE;
- ctx->NewState |= _NEW_TEXTURE;
+ _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
}
_mesa_unlock_texture(ctx, texObj);
/* If we have a border, offset=-1 is legal. Bias by border width. */
switch (dims) {
case 3:
- zoffset += texImage->Border;
+ if (target != GL_TEXTURE_2D_ARRAY)
+ zoffset += texImage->Border;
/* fall-through */
case 2:
- yoffset += texImage->Border;
+ if (target != GL_TEXTURE_1D_ARRAY)
+ yoffset += texImage->Border;
/* fall-through */
case 1:
xoffset += texImage->Border;
}
- switch (dims) {
- case 1:
- ctx->Driver.TexSubImage1D(ctx, target, level,
- xoffset, width,
- format, type, pixels,
- &ctx->Unpack, texObj, texImage );
- break;
- case 2:
- ctx->Driver.TexSubImage2D(ctx, target, level,
- xoffset, yoffset, width, height,
- format, type, pixels,
- &ctx->Unpack, texObj, texImage );
- break;
- case 3:
- ctx->Driver.TexSubImage3D(ctx, target, level,
- xoffset, yoffset, zoffset,
- width, height, depth,
- format, type, pixels,
- &ctx->Unpack, texObj, texImage );
- break;
- default:
- _mesa_problem(ctx, "unexpected dims in subteximage()");
- }
+ ctx->Driver.TexSubImage(ctx, dims, texImage,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, type, pixels, &ctx->Unpack);
check_gen_mipmap(ctx, target, texObj, level);
+/**
+ * For glCopyTexSubImage, return the source renderbuffer to copy texel data
+ * from. This depends on whether the texture contains color or depth values.
+ */
+static struct gl_renderbuffer *
+get_copy_tex_image_source(struct gl_context *ctx, gl_format texFormat)
+{
+ if (_mesa_get_format_bits(texFormat, GL_DEPTH_BITS) > 0) {
+ /* reading from depth/stencil buffer */
+ return ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
+ }
+ else {
+ /* copying from color buffer */
+ return ctx->ReadBuffer->_ColorReadBuffer;
+ }
+}
+
+
+
/**
* Implement the glCopyTexImage1/2D() functions.
*/
texObj = _mesa_get_current_tex_object(ctx, target);
+ if (border && ctx->Const.StripTextureBorder) {
+ x += border;
+ width -= border * 2;
+ if (dims == 2) {
+ y += border;
+ height -= border * 2;
+ }
+ border = 0;
+ }
+
_mesa_lock_texture(ctx, texObj);
{
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
GL_NONE, GL_NONE);
if (legal_texture_size(ctx, texFormat, width, height, 1)) {
- GLint srcX = x, srcY = y, dstX = 0, dstY = 0;
+ GLint srcX = x, srcY = y, dstX = 0, dstY = 0, dstZ = 0;
/* Free old texture image */
ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
- _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1,
+ _mesa_init_teximage_fields(ctx, texImage, width, height, 1,
border, internalFormat, texFormat);
/* Allocate texture memory (no pixel data yet) */
- if (dims == 1) {
- ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
- width, border, GL_NONE, GL_NONE, NULL,
- &ctx->Unpack, texObj, texImage);
- }
- else {
- ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
- width, height, border, GL_NONE, GL_NONE,
- NULL, &ctx->Unpack, texObj, texImage);
- }
+ ctx->Driver.TexImage(ctx, dims, texImage,
+ GL_NONE, GL_NONE,
+ NULL, &ctx->Unpack);
if (_mesa_clip_copytexsubimage(ctx, &dstX, &dstY, &srcX, &srcY,
&width, &height)) {
- if (dims == 1)
- ctx->Driver.CopyTexSubImage1D(ctx, target, level, dstX,
- srcX, srcY, width);
-
- else
- ctx->Driver.CopyTexSubImage2D(ctx, target, level, dstX, dstY,
- srcX, srcY, width, height);
+ struct gl_renderbuffer *srcRb =
+ get_copy_tex_image_source(ctx, texImage->TexFormat);
+
+ ctx->Driver.CopyTexSubImage(ctx, dims, texImage, dstX, dstY, dstZ,
+ srcRb, srcX, srcY, width, height);
}
check_gen_mipmap(ctx, target, texObj, level);
- update_fbo_texture(ctx, texObj, face, level);
+ _mesa_update_fbo_texture(ctx, texObj, face, level);
- /* state update */
- texObj->_Complete = GL_FALSE;
- ctx->NewState |= _NEW_TEXTURE;
+ _mesa_dirty_texobj(ctx, texObj, GL_TRUE);
}
else {
/* probably too large of image */
/* If we have a border, offset=-1 is legal. Bias by border width. */
switch (dims) {
case 3:
- zoffset += texImage->Border;
+ if (target != GL_TEXTURE_2D_ARRAY)
+ zoffset += texImage->Border;
/* fall-through */
case 2:
- yoffset += texImage->Border;
+ if (target != GL_TEXTURE_1D_ARRAY)
+ yoffset += texImage->Border;
/* fall-through */
case 1:
xoffset += texImage->Border;
if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
&width, &height)) {
- switch (dims) {
- case 1:
- ctx->Driver.CopyTexSubImage1D(ctx, target, level,
- xoffset, x, y, width);
- break;
- case 2:
- ctx->Driver.CopyTexSubImage2D(ctx, target, level,
- xoffset, yoffset,
- x, y, width, height);
- break;
- case 3:
- ctx->Driver.CopyTexSubImage3D(ctx, target, level,
- xoffset, yoffset, zoffset,
- x, y, width, height);
- break;
- default:
- _mesa_problem(ctx, "bad dims in copytexsubimage()");
- }
+ struct gl_renderbuffer *srcRb =
+ get_copy_tex_image_source(ctx, texImage->TexFormat);
+
+ ctx->Driver.CopyTexSubImage(ctx, dims, texImage,
+ xoffset, yoffset, zoffset,
+ srcRb, x, y, width, height);
check_gen_mipmap(ctx, target, texObj, level);
/**********************************************************************/
-/**
- * Return expected size of a compressed texture.
- */
-static GLuint
-compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth,
- GLenum glformat)
-{
- gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
- return _mesa_format_image_size(mesaFormat, width, height, depth);
-}
-
-
-/*
- * Return compressed texture block size, in pixels.
- */
-static void
-get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh)
-{
- gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
- _mesa_get_format_block_size(mesaFormat, bw, bh);
-}
-
-
-/**
- * Error checking for glCompressedTexImage[123]D().
- * \param reason returns reason for error, if any
- * \return error code or GL_NO_ERROR.
- */
-static GLenum
-compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
- GLenum target, GLint level,
- GLenum internalFormat, GLsizei width,
- GLsizei height, GLsizei depth, GLint border,
- GLsizei imageSize, char **reason)
-{
- const GLenum proxyTarget = get_proxy_target(target);
- const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
- GLint expectedSize;
-
- *reason = ""; /* no error */
-
- /* check level */
- if (level < 0 || level >= maxLevels) {
- *reason = "level";
- return GL_INVALID_VALUE;
- }
-
- if (!target_can_be_compressed(ctx, target, internalFormat)) {
- *reason = "target";
- return GL_INVALID_ENUM;
- }
-
- /* This will detect any invalid internalFormat value */
- if (!_mesa_is_compressed_format(ctx, internalFormat)) {
- *reason = "internalFormat";
- return GL_INVALID_ENUM;
- }
-
- /* This should really never fail */
- if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
- *reason = "internalFormat";
- return GL_INVALID_ENUM;
- }
-
- /* No compressed formats support borders at this time */
- if (border != 0) {
- *reason = "border != 0";
- 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) {
- *reason = "width != height";
- return GL_INVALID_VALUE;
- }
-
- /* check image size against compression block size */
- {
- gl_format texFormat =
- ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
- GL_NONE, GL_NONE);
- GLuint bw, bh;
-
- _mesa_get_format_block_size(texFormat, &bw, &bh);
- if ((width > bw && width % bw > 0) ||
- (height > bh && height % bh > 0)) {
- /*
- * Per GL_ARB_texture_compression: GL_INVALID_OPERATION is
- * generated [...] if any parameter combinations are not
- * supported by the specific compressed internal format.
- */
- *reason = "invalid width or height for compression format";
- return GL_INVALID_OPERATION;
- }
- }
-
- /* check image sizes */
- if (!ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
- internalFormat, GL_NONE, GL_NONE,
- width, height, depth, border)) {
- /* See error comment above */
- *reason = "invalid width, height or format";
- return GL_INVALID_OPERATION;
- }
-
- /* check image size in bytes */
- expectedSize = compressed_tex_size(width, height, depth, internalFormat);
- if (expectedSize != imageSize) {
- /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
- * if <imageSize> is not consistent with the format, dimensions, and
- * contents of the specified image.
- */
- *reason = "imageSize inconsistant with width/height/format";
- return GL_INVALID_VALUE;
- }
-
- return GL_NO_ERROR;
-}
-
-
/**
* Error checking for glCompressedTexSubImage[123]D().
* \warning There are some bad assumptions here about the size of compressed
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) {
+ else if (_mesa_is_cube_face(target)) {
if (!ctx->Extensions.ARB_texture_cube_map)
return GL_INVALID_ENUM; /*target*/
maxLevels = ctx->Const.MaxCubeTextureLevels;
return GL_TRUE;
}
+ if (compressedteximage_only_format(ctx, format)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCompressedTexSubImage%uD(format=0x%x cannot be updated)"
+ , dims, format);
+ return GL_TRUE;
+ }
+
if (((width == 1 || width == 2) &&
width != (GLsizei) texImage->Width) ||
(width > (GLsizei) texImage->Width)) {
}
-/**
- * Implementation of the glCompressedTexImage1/2/3D() functions.
- */
-static void
-compressedteximage(struct gl_context *ctx, GLuint dims,
- GLenum target, GLint level,
- GLenum internalFormat, GLsizei width,
- GLsizei height, GLsizei depth, GLint border,
- GLsizei imageSize, const GLvoid *data)
-{
- GLenum error;
- char *reason = "";
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx,
- "glCompressedTexImage%uDARB %s %d %s %d %d %d %d %d %p\n",
- dims,
- _mesa_lookup_enum_by_nr(target), level,
- _mesa_lookup_enum_by_nr(internalFormat),
- width, height, depth, border, imageSize, data);
-
- /* check target */
- if (!legal_teximage_target(ctx, dims, target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage%uD(target=%s)",
- dims, _mesa_lookup_enum_by_nr(target));
- return;
- }
-
- error = compressed_texture_error_check(ctx, dims, target, level,
- internalFormat, width, height, depth,
- border, imageSize, &reason);
-
- if (error) {
- _mesa_error(ctx, error, "glCompressedTexImage%uD(%s)", dims, reason);
- return;
- }
-
-#if FEATURE_ES
- /* XXX this is kind of a hack */
- if (dims == 2) {
- switch (internalFormat) {
- case GL_PALETTE4_RGB8_OES:
- case GL_PALETTE4_RGBA8_OES:
- case GL_PALETTE4_R5_G6_B5_OES:
- case GL_PALETTE4_RGBA4_OES:
- case GL_PALETTE4_RGB5_A1_OES:
- case GL_PALETTE8_RGB8_OES:
- case GL_PALETTE8_RGBA8_OES:
- case GL_PALETTE8_R5_G6_B5_OES:
- case GL_PALETTE8_RGBA4_OES:
- case GL_PALETTE8_RGB5_A1_OES:
- _mesa_cpal_compressed_teximage2d(target, level, internalFormat,
- width, height, imageSize, data);
- return;
- }
- }
-#endif
-
- if (_mesa_is_proxy_texture(target)) {
- /* Proxy texture: just check for errors and update proxy state */
- struct gl_texture_image *texImage;
-
- if (!error) {
- struct gl_texture_object *texObj =
- _mesa_get_current_tex_object(ctx, target);
- gl_format texFormat =
- _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, GL_NONE, GL_NONE);
- if (!legal_texture_size(ctx, texFormat, width, height, depth)) {
- error = GL_OUT_OF_MEMORY;
- }
- }
-
- texImage = _mesa_get_proxy_tex_image(ctx, target, level);
- if (texImage) {
- if (error) {
- /* if error, clear all proxy texture image parameters */
- clear_teximage_fields(texImage);
- }
- else {
- /* no error: store the teximage parameters */
- _mesa_init_teximage_fields(ctx, target, texImage, width, height,
- depth, border, internalFormat,
- MESA_FORMAT_NONE);
- }
- }
- }
- else {
- /* non-proxy target */
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
-
- if (error) {
- _mesa_error(ctx, error, "glCompressedTexImage%uD", dims);
- return;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_get_tex_image(ctx, texObj, target, level);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY,
- "glCompressedTexImage%uD", dims);
- }
- else {
- gl_format texFormat;
-
- ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
- ASSERT(texImage->Data == NULL);
-
- texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, GL_NONE,
- GL_NONE);
-
- if (legal_texture_size(ctx, texFormat, width, height, depth)) {
- _mesa_init_teximage_fields(ctx, target, texImage,
- width, height, depth,
- border, internalFormat, texFormat);
-
- switch (dims) {
- case 1:
- ASSERT(ctx->Driver.CompressedTexImage1D);
- ctx->Driver.CompressedTexImage1D(ctx, target, level,
- internalFormat,
- width,
- border, imageSize, data,
- texObj, texImage);
- break;
- case 2:
- ASSERT(ctx->Driver.CompressedTexImage2D);
- ctx->Driver.CompressedTexImage2D(ctx, target, level,
- internalFormat,
- width, height,
- border, imageSize, data,
- texObj, texImage);
- break;
- case 3:
- ASSERT(ctx->Driver.CompressedTexImage3D);
- ctx->Driver.CompressedTexImage3D(ctx, target, level,
- internalFormat,
- width, height, depth,
- border, imageSize, data,
- texObj, texImage);
- break;
- default:
- _mesa_problem(ctx, "bad dims in compressedteximage");
- }
-
- check_gen_mipmap(ctx, target, texObj, level);
-
- /* state update */
- texObj->_Complete = GL_FALSE;
- ctx->NewState |= _NEW_TEXTURE;
- }
- else {
- _mesa_error(ctx, GL_OUT_OF_MEMORY,
- "glCompressedTexImage%uD", dims);
- }
- }
- }
- _mesa_unlock_texture(ctx, texObj);
- }
-}
-
-
void GLAPIENTRY
_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
GLenum internalFormat, GLsizei width,
const GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
- compressedteximage(ctx, 1, target, level, internalFormat,
- width, 1, 1, border, imageSize, data);
+ teximage(ctx, GL_TRUE, 1, target, level, internalFormat,
+ width, 1, 1, border, GL_NONE, GL_NONE, imageSize, data);
}
const GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
- compressedteximage(ctx, 2, target, level, internalFormat,
- width, height, 1, border, imageSize, data);
+ teximage(ctx, GL_TRUE, 2, target, level, internalFormat,
+ width, height, 1, border, GL_NONE, GL_NONE, imageSize, data);
}
GLsizei imageSize, const GLvoid *data)
{
GET_CURRENT_CONTEXT(ctx);
- compressedteximage(ctx, 3, target, level, internalFormat,
- width, height, depth, border, imageSize, data);
+ teximage(ctx, GL_TRUE, 3, target, level, internalFormat,
+ width, height, depth, border, GL_NONE, GL_NONE, imageSize, data);
}
/* error was recorded */
}
else if (width > 0 && height > 0 && depth > 0) {
- switch (dims) {
- case 1:
- if (ctx->Driver.CompressedTexSubImage1D) {
- ctx->Driver.CompressedTexSubImage1D(ctx, target, level,
- xoffset, width,
- format, imageSize, data,
- texObj, texImage);
- }
- break;
- case 2:
- if (ctx->Driver.CompressedTexSubImage2D) {
- ctx->Driver.CompressedTexSubImage2D(ctx, target, level,
- xoffset, yoffset,
- width, height,
- format, imageSize, data,
- texObj, texImage);
- }
- break;
- case 3:
- if (ctx->Driver.CompressedTexSubImage3D) {
- ctx->Driver.CompressedTexSubImage3D(ctx, target, level,
- xoffset, yoffset, zoffset,
- width, height, depth,
- format, imageSize, data,
- texObj, texImage);
- }
- break;
- default:
- ;
- }
+ ctx->Driver.CompressedTexSubImage(ctx, dims, texImage,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, imageSize, data);
check_gen_mipmap(ctx, target, texObj, level);
width, height, depth, format, imageSize, data);
}
-
-/**
- * Helper for glTexBuffer(). Check if internalFormat is legal. If so,
- * return the basic data type and number of components for the format.
- * \param return GL_TRUE if internalFormat is legal, GL_FALSE otherwise
- */
-static GLboolean
-get_sized_format_info(const struct gl_context *ctx, GLenum internalFormat,
- GLenum *datatype, GLuint *components)
+static gl_format
+get_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
{
switch (internalFormat) {
case GL_ALPHA8:
- *datatype = GL_UNSIGNED_BYTE;
- *components = 1;
- break;
+ return MESA_FORMAT_A8;
case GL_ALPHA16:
- *datatype = GL_UNSIGNED_SHORT;
- *components = 1;
- break;
+ return MESA_FORMAT_A16;
case GL_ALPHA16F_ARB:
- *datatype = GL_HALF_FLOAT;
- *components = 1;
- break;
+ return MESA_FORMAT_ALPHA_FLOAT16;
case GL_ALPHA32F_ARB:
- *datatype = GL_FLOAT;
- *components = 1;
- break;
+ return MESA_FORMAT_ALPHA_FLOAT32;
case GL_ALPHA8I_EXT:
- *datatype = GL_BYTE;
- *components = 1;
- break;
+ return MESA_FORMAT_ALPHA_INT8;
case GL_ALPHA16I_EXT:
- *datatype = GL_SHORT;
- *components = 1;
- break;
+ return MESA_FORMAT_ALPHA_INT16;
case GL_ALPHA32I_EXT:
- *datatype = GL_INT;
- *components = 1;
- break;
+ return MESA_FORMAT_ALPHA_INT32;
case GL_ALPHA8UI_EXT:
- *datatype = GL_UNSIGNED_BYTE;
- *components = 1;
- break;
+ return MESA_FORMAT_ALPHA_UINT8;
case GL_ALPHA16UI_EXT:
- *datatype = GL_UNSIGNED_SHORT;
- *components = 1;
- break;
+ return MESA_FORMAT_ALPHA_UINT16;
case GL_ALPHA32UI_EXT:
- *datatype = GL_UNSIGNED_INT;
- *components = 1;
- break;
+ return MESA_FORMAT_ALPHA_UINT32;
case GL_LUMINANCE8:
- *datatype = GL_UNSIGNED_BYTE;
- *components = 1;
- break;
+ return MESA_FORMAT_L8;
case GL_LUMINANCE16:
- *datatype = GL_UNSIGNED_SHORT;
- *components = 1;
- break;
+ return MESA_FORMAT_L16;
case GL_LUMINANCE16F_ARB:
- *datatype = GL_HALF_FLOAT;
- *components = 1;
- break;
+ return MESA_FORMAT_LUMINANCE_FLOAT16;
case GL_LUMINANCE32F_ARB:
- *datatype = GL_FLOAT;
- *components = 1;
- break;
+ return MESA_FORMAT_LUMINANCE_FLOAT32;
case GL_LUMINANCE8I_EXT:
- *datatype = GL_BYTE;
- *components = 1;
- break;
+ return MESA_FORMAT_LUMINANCE_INT8;
case GL_LUMINANCE16I_EXT:
- *datatype = GL_SHORT;
- *components = 1;
- break;
+ return MESA_FORMAT_LUMINANCE_INT16;
case GL_LUMINANCE32I_EXT:
- *datatype = GL_INT;
- *components = 1;
- break;
+ return MESA_FORMAT_LUMINANCE_INT32;
case GL_LUMINANCE8UI_EXT:
- *datatype = GL_UNSIGNED_BYTE;
- *components = 1;
- break;
+ return MESA_FORMAT_LUMINANCE_UINT8;
case GL_LUMINANCE16UI_EXT:
- *datatype = GL_UNSIGNED_SHORT;
- *components = 1;
- break;
+ return MESA_FORMAT_LUMINANCE_UINT16;
case GL_LUMINANCE32UI_EXT:
- *datatype = GL_UNSIGNED_INT;
- *components = 1;
- break;
+ return MESA_FORMAT_LUMINANCE_UINT32;
case GL_LUMINANCE8_ALPHA8:
- *datatype = GL_UNSIGNED_BYTE;
- *components = 2;
- break;
+ return MESA_FORMAT_AL88;
case GL_LUMINANCE16_ALPHA16:
- *datatype = GL_UNSIGNED_SHORT;
- *components = 2;
- break;
+ return MESA_FORMAT_AL1616;
case GL_LUMINANCE_ALPHA16F_ARB:
- *datatype = GL_HALF_FLOAT;
- *components = 2;
- break;
+ return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16;
case GL_LUMINANCE_ALPHA32F_ARB:
- *datatype = GL_FLOAT;
- *components = 2;
- break;
+ return MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32;
case GL_LUMINANCE_ALPHA8I_EXT:
- *datatype = GL_BYTE;
- *components = 2;
- break;
+ return MESA_FORMAT_LUMINANCE_ALPHA_INT8;
case GL_LUMINANCE_ALPHA16I_EXT:
- *datatype = GL_SHORT;
- *components = 2;
- break;
+ return MESA_FORMAT_LUMINANCE_ALPHA_INT8;
case GL_LUMINANCE_ALPHA32I_EXT:
- *datatype = GL_INT;
- *components = 2;
- break;
+ return MESA_FORMAT_LUMINANCE_ALPHA_INT16;
case GL_LUMINANCE_ALPHA8UI_EXT:
- *datatype = GL_UNSIGNED_BYTE;
- *components = 2;
- break;
+ return MESA_FORMAT_LUMINANCE_ALPHA_UINT8;
case GL_LUMINANCE_ALPHA16UI_EXT:
- *datatype = GL_UNSIGNED_SHORT;
- *components = 2;
- break;
+ return MESA_FORMAT_LUMINANCE_ALPHA_UINT16;
case GL_LUMINANCE_ALPHA32UI_EXT:
- *datatype = GL_UNSIGNED_INT;
- *components = 2;
- break;
+ return MESA_FORMAT_LUMINANCE_ALPHA_UINT32;
case GL_INTENSITY8:
- *datatype = GL_UNSIGNED_BYTE;
- *components = 1;
- break;
+ return MESA_FORMAT_I8;
case GL_INTENSITY16:
- *datatype = GL_UNSIGNED_SHORT;
- *components = 1;
- break;
+ return MESA_FORMAT_I16;
case GL_INTENSITY16F_ARB:
- *datatype = GL_HALF_FLOAT;
- *components = 1;
- break;
+ return MESA_FORMAT_INTENSITY_FLOAT16;
case GL_INTENSITY32F_ARB:
- *datatype = GL_FLOAT;
- *components = 1;
- break;
+ return MESA_FORMAT_INTENSITY_FLOAT32;
case GL_INTENSITY8I_EXT:
- *datatype = GL_BYTE;
- *components = 1;
- break;
+ return MESA_FORMAT_INTENSITY_INT8;
case GL_INTENSITY16I_EXT:
- *datatype = GL_SHORT;
- *components = 1;
- break;
+ return MESA_FORMAT_INTENSITY_INT16;
case GL_INTENSITY32I_EXT:
- *datatype = GL_INT;
- *components = 1;
- break;
+ return MESA_FORMAT_INTENSITY_INT32;
case GL_INTENSITY8UI_EXT:
- *datatype = GL_UNSIGNED_BYTE;
- *components = 1;
- break;
+ return MESA_FORMAT_INTENSITY_UINT8;
case GL_INTENSITY16UI_EXT:
- *datatype = GL_UNSIGNED_SHORT;
- *components = 1;
- break;
+ return MESA_FORMAT_INTENSITY_UINT16;
case GL_INTENSITY32UI_EXT:
- *datatype = GL_UNSIGNED_INT;
- *components = 1;
- break;
+ return MESA_FORMAT_INTENSITY_UINT32;
case GL_RGBA8:
- *datatype = GL_UNSIGNED_BYTE;
- *components = 4;
- break;
+ return MESA_FORMAT_RGBA8888_REV;
case GL_RGBA16:
- *datatype = GL_UNSIGNED_SHORT;
- *components = 4;
- break;
+ return MESA_FORMAT_RGBA_16;
case GL_RGBA16F_ARB:
- *datatype = GL_HALF_FLOAT;
- *components = 4;
- break;
+ return MESA_FORMAT_RGBA_FLOAT16;
case GL_RGBA32F_ARB:
- *datatype = GL_FLOAT;
- *components = 4;
- break;
+ return MESA_FORMAT_RGBA_FLOAT32;
case GL_RGBA8I_EXT:
- *datatype = GL_BYTE;
- *components = 4;
- break;
+ return MESA_FORMAT_RGBA_INT8;
case GL_RGBA16I_EXT:
- *datatype = GL_SHORT;
- *components = 4;
- break;
+ return MESA_FORMAT_RGBA_INT16;
case GL_RGBA32I_EXT:
- *datatype = GL_INT;
- *components = 4;
- break;
+ return MESA_FORMAT_RGBA_INT32;
case GL_RGBA8UI_EXT:
- *datatype = GL_UNSIGNED_BYTE;
- *components = 4;
- break;
+ return MESA_FORMAT_RGBA_UINT8;
case GL_RGBA16UI_EXT:
- *datatype = GL_UNSIGNED_SHORT;
- *components = 4;
- break;
+ return MESA_FORMAT_RGBA_UINT16;
case GL_RGBA32UI_EXT:
- *datatype = GL_UNSIGNED_INT;
- *components = 4;
- break;
+ return MESA_FORMAT_RGBA_UINT32;
+
+ case GL_RG8:
+ return MESA_FORMAT_GR88;
+ case GL_RG16:
+ return MESA_FORMAT_RG1616;
+ case GL_RG16F:
+ return MESA_FORMAT_RG_FLOAT16;
+ case GL_RG32F:
+ return MESA_FORMAT_RG_FLOAT32;
+ case GL_RG8I:
+ return MESA_FORMAT_RG_INT8;
+ case GL_RG16I:
+ return MESA_FORMAT_RG_INT16;
+ case GL_RG32I:
+ return MESA_FORMAT_RG_INT32;
+ case GL_RG8UI:
+ return MESA_FORMAT_RG_UINT8;
+ case GL_RG16UI:
+ return MESA_FORMAT_RG_UINT16;
+ case GL_RG32UI:
+ return MESA_FORMAT_RG_UINT32;
+
+ case GL_R8:
+ return MESA_FORMAT_R8;
+ case GL_R16:
+ return MESA_FORMAT_R16;
+ case GL_R16F:
+ return MESA_FORMAT_R_FLOAT16;
+ case GL_R32F:
+ return MESA_FORMAT_R_FLOAT32;
+ case GL_R8I:
+ return MESA_FORMAT_R_INT8;
+ case GL_R16I:
+ return MESA_FORMAT_R_INT16;
+ case GL_R32I:
+ return MESA_FORMAT_R_INT32;
+ case GL_R8UI:
+ return MESA_FORMAT_R_UINT8;
+ case GL_R16UI:
+ return MESA_FORMAT_R_UINT16;
+ case GL_R32UI:
+ return MESA_FORMAT_R_UINT32;
+
default:
- return GL_FALSE;
+ return MESA_FORMAT_NONE;
}
+}
- if (*datatype == GL_FLOAT && !ctx->Extensions.ARB_texture_float)
- return GL_FALSE;
+static gl_format
+validate_texbuffer_format(const struct gl_context *ctx, GLenum internalFormat)
+{
+ gl_format format = get_texbuffer_format(ctx, internalFormat);
+ GLenum datatype;
- if (*datatype == GL_HALF_FLOAT && !ctx->Extensions.ARB_half_float_pixel)
- return GL_FALSE;
+ if (format == MESA_FORMAT_NONE)
+ return MESA_FORMAT_NONE;
- return GL_TRUE;
+ datatype = _mesa_get_format_datatype(format);
+ if (datatype == GL_FLOAT && !ctx->Extensions.ARB_texture_float)
+ return MESA_FORMAT_NONE;
+
+ if (datatype == GL_HALF_FLOAT && !ctx->Extensions.ARB_half_float_pixel)
+ return MESA_FORMAT_NONE;
+
+ /* The GL_ARB_texture_rg and GL_ARB_texture_buffer_object specs don't make
+ * any mention of R/RG formats, but they appear in the GL 3.1 core
+ * specification.
+ */
+ if (ctx->Version <= 30) {
+ GLenum base_format = _mesa_get_format_base_format(format);
+
+ if (base_format == GL_R || base_format == GL_RG)
+ return MESA_FORMAT_NONE;
+ }
+ return format;
}
{
struct gl_texture_object *texObj;
struct gl_buffer_object *bufObj;
- GLenum dataType;
- GLuint comps;
+ gl_format format;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (!ctx->Extensions.ARB_texture_buffer_object) {
+ if (!(ctx->Extensions.ARB_texture_buffer_object
+ && _mesa_is_desktop_gl(ctx))) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexBuffer");
return;
}
return;
}
- if (!get_sized_format_info(ctx, internalFormat, &dataType, &comps)) {
+ format = validate_texbuffer_format(ctx, internalFormat);
+ if (format == MESA_FORMAT_NONE) {
_mesa_error(ctx, GL_INVALID_ENUM, "glTexBuffer(internalFormat 0x%x)",
internalFormat);
return;
{
_mesa_reference_buffer_object(ctx, &texObj->BufferObject, bufObj);
texObj->BufferObjectFormat = internalFormat;
+ texObj->_BufferObjectFormat = format;
}
_mesa_unlock_texture(ctx, texObj);
}