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Diffstat (limited to 'xc/extras/Mesa/src/teximage.c')
-rw-r--r--xc/extras/Mesa/src/teximage.c955
1 files changed, 873 insertions, 82 deletions
diff --git a/xc/extras/Mesa/src/teximage.c b/xc/extras/Mesa/src/teximage.c
index ae50558bf..0d25df6d8 100644
--- a/xc/extras/Mesa/src/teximage.c
+++ b/xc/extras/Mesa/src/teximage.c
@@ -137,15 +137,23 @@ logbase2( int n )
* Return -1 if invalid enum.
*/
GLint
-_mesa_base_tex_format( GLint format )
+_mesa_base_tex_format( GLcontext *ctx, GLint format )
{
switch (format) {
+ case GL_COMPRESSED_ALPHA_ARB:
+ if (ctx && !ctx->Extensions.HaveTextureCompression)
+ return -1;
+ /* fall-through */
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
case GL_ALPHA12:
case GL_ALPHA16:
return GL_ALPHA;
+ case GL_COMPRESSED_LUMINANCE_ARB:
+ if (ctx && !ctx->Extensions.HaveTextureCompression)
+ return -1;
+ /* fall-through */
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
@@ -153,6 +161,10 @@ _mesa_base_tex_format( GLint format )
case GL_LUMINANCE12:
case GL_LUMINANCE16:
return GL_LUMINANCE;
+ case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
+ if (ctx && !ctx->Extensions.HaveTextureCompression)
+ return -1;
+ /* fall-through */
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE4_ALPHA4:
@@ -162,12 +174,31 @@ _mesa_base_tex_format( GLint format )
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
return GL_LUMINANCE_ALPHA;
+ case GL_COMPRESSED_INTENSITY_ARB:
+ if (ctx && !ctx->Extensions.HaveTextureCompression)
+ return -1;
+ /* fall-through */
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
case GL_INTENSITY12:
case GL_INTENSITY16:
return GL_INTENSITY;
+ case GL_COMPRESSED_RGB_ARB:
+ if (ctx && ctx->Extensions.HaveTextureCompression)
+ return GL_RGB;
+ else
+ return -1;
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ if (ctx && ctx->Extensions.HaveTextureCompressionFXT1)
+ return GL_RGB;
+ else
+ return -1;
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ if (ctx && ctx->Extensions.HaveTextureCompressionS3TC)
+ return GL_RGB;
+ else
+ return -1;
case 3:
case GL_RGB:
case GL_R3_G3_B2:
@@ -178,6 +209,23 @@ _mesa_base_tex_format( GLint format )
case GL_RGB12:
case GL_RGB16:
return GL_RGB;
+ case GL_COMPRESSED_RGBA_ARB:
+ if (ctx && ctx->Extensions.HaveTextureCompression)
+ return GL_RGBA;
+ else
+ return -1;
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ if (ctx && ctx->Extensions.HaveTextureCompressionFXT1)
+ return GL_RGBA;
+ else
+ return -1;
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ if (ctx && ctx->Extensions.HaveTextureCompressionS3TC)
+ return GL_RGBA;
+ else
+ return -1;
case 4:
case GL_RGBA:
case GL_RGBA2:
@@ -275,6 +323,33 @@ components_in_intformat( GLint format )
}
+/*
+ * Return GL_TRUE if internalFormat is a compressed format, return GL_FALSE
+ * otherwise.
+ */
+static GLboolean
+is_compressed_format(GLenum internalFormat)
+{
+ switch (internalFormat) {
+ case GL_COMPRESSED_ALPHA_ARB:
+ case GL_COMPRESSED_LUMINANCE_ARB:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
+ case GL_COMPRESSED_INTENSITY_ARB:
+ case GL_COMPRESSED_RGB_ARB:
+ case GL_COMPRESSED_RGBA_ARB:
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
/*
* Examine the texImage->Format field and set the Red, Green, Blue, etc
@@ -385,6 +460,41 @@ set_teximage_component_sizes( struct gl_texture_image *texImage )
}
+static void
+set_tex_image(struct gl_texture_object *tObj,
+ GLenum target, GLint level,
+ struct gl_texture_image *texImage)
+{
+ ASSERT(tObj);
+ ASSERT(texImage);
+ switch (target) {
+ case GL_TEXTURE_2D:
+ tObj->Image[level] = texImage;
+ return;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ tObj->Image[level] = texImage;
+ return;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ tObj->NegX[level] = texImage;
+ return;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ tObj->PosY[level] = texImage;
+ return;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ tObj->NegY[level] = texImage;
+ return;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ tObj->PosZ[level] = texImage;
+ return;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ tObj->NegZ[level] = texImage;
+ return;
+ default:
+ gl_problem(NULL, "bad target in set_tex_image()");
+ return;
+ }
+}
+
/*
* Return new gl_texture_image struct with all fields initialized to zero.
@@ -407,7 +517,7 @@ init_texture_image( struct gl_texture_image *img,
{
ASSERT(img);
ASSERT(!img->Data);
- img->Format = (GLenum) _mesa_base_tex_format(internalFormat);
+ img->Format = (GLenum) _mesa_base_tex_format(NULL, internalFormat);
set_teximage_component_sizes( img );
img->IntFormat = (GLenum) internalFormat;
img->Border = border;
@@ -427,6 +537,7 @@ init_texture_image( struct gl_texture_image *img,
img->Height2 = 1 << img->HeightLog2;
img->Depth2 = 1 << img->DepthLog2;
img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
+ img->IsCompressed = is_compressed_format(internalFormat);
}
@@ -443,6 +554,123 @@ _mesa_free_texture_image( struct gl_texture_image *teximage )
+/*
+ * Return number of bytes of storage needed to store a compressed texture
+ * image.
+ */
+GLuint
+_mesa_compressed_image_size(GLenum internalFormat,
+ GLint width, GLint height, GLint depth)
+{
+ return 0;
+}
+
+
+
+/*
+ * Given a texture unit and a texture target, return the corresponding
+ * texture object.
+ */
+struct gl_texture_object *
+_mesa_select_tex_object(GLcontext *ctx, struct gl_texture_unit *texUnit,
+ GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ return texUnit->CurrentD[1];
+ case GL_PROXY_TEXTURE_1D:
+ return ctx->Texture.Proxy1D;
+ case GL_TEXTURE_2D:
+ return texUnit->CurrentD[2];
+ case GL_PROXY_TEXTURE_2D:
+ return ctx->Texture.Proxy2D;
+ case GL_TEXTURE_3D:
+ return texUnit->CurrentD[3];
+ case GL_PROXY_TEXTURE_3D:
+ return ctx->Texture.Proxy3D;
+ 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:
+ return ctx->Extensions.HaveTextureCubeMap
+ ? texUnit->CurrentCubeMap : NULL;
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ return ctx->Extensions.HaveTextureCubeMap
+ ? ctx->Texture.ProxyCubeMap : NULL;
+ default:
+ gl_problem(NULL, "bad target in _mesa_select_tex_object()");
+ return NULL;
+ }
+}
+
+
+/*
+ * Return the texture image struct which corresponds to target and level
+ * for the given texture unit.
+ */
+struct gl_texture_image *
+_mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_unit *texUnit,
+ GLenum target, GLint level)
+{
+ ASSERT(texUnit);
+ switch (target) {
+ case GL_TEXTURE_1D:
+ return texUnit->CurrentD[1]->Image[level];
+ case GL_PROXY_TEXTURE_1D:
+ return ctx->Texture.Proxy1D->Image[level];
+ case GL_TEXTURE_2D:
+ return texUnit->CurrentD[2]->Image[level];
+ case GL_PROXY_TEXTURE_2D:
+ return ctx->Texture.Proxy2D->Image[level];
+ case GL_TEXTURE_3D:
+ return texUnit->CurrentD[3]->Image[level];
+ case GL_PROXY_TEXTURE_3D:
+ return ctx->Texture.Proxy3D->Image[level];
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ if (ctx->Extensions.HaveTextureCubeMap)
+ return texUnit->CurrentCubeMap->Image[level];
+ else
+ return NULL;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ if (ctx->Extensions.HaveTextureCubeMap)
+ return texUnit->CurrentCubeMap->NegX[level];
+ else
+ return NULL;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ if (ctx->Extensions.HaveTextureCubeMap)
+ return texUnit->CurrentCubeMap->PosY[level];
+ else
+ return NULL;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ if (ctx->Extensions.HaveTextureCubeMap)
+ return texUnit->CurrentCubeMap->NegY[level];
+ else
+ return NULL;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ if (ctx->Extensions.HaveTextureCubeMap)
+ return texUnit->CurrentCubeMap->PosZ[level];
+ else
+ return NULL;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ if (ctx->Extensions.HaveTextureCubeMap)
+ return texUnit->CurrentCubeMap->NegZ[level];
+ else
+ return NULL;
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ if (ctx->Extensions.HaveTextureCubeMap)
+ return ctx->Texture.ProxyCubeMap->Image[level];
+ else
+ return NULL;
+ default:
+ gl_problem(ctx, "bad target in _mesa_select_tex_image()");
+ return NULL;
+ }
+}
+
+
+
/* Need this to prevent an out-of-bounds memory access when using
* X86 optimized code.
*/
@@ -675,7 +903,10 @@ texture_error_check( GLcontext *ctx, GLenum target,
}
else if (dimensions == 2) {
isProxy = (GLboolean) (target == GL_PROXY_TEXTURE_2D);
- if (target != GL_TEXTURE_2D && !isProxy) {
+ if (target != GL_TEXTURE_2D && !isProxy &&
+ !(ctx->Extensions.HaveTextureCubeMap &&
+ target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
gl_error( ctx, GL_INVALID_ENUM, "glTexImage2D(target)" );
return GL_TRUE;
}
@@ -726,6 +957,17 @@ texture_error_check( GLcontext *ctx, GLenum target,
}
}
+ /* For cube map, width must equal height */
+ if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
+ if (width != height) {
+ if (!isProxy) {
+ gl_error(ctx, GL_INVALID_VALUE, "glTexImage2D(width != height)");
+ }
+ return GL_TRUE;
+ }
+ }
+
/* Depth */
if (dimensions >= 3) {
if (depth < 2 * border || depth > 2 + ctx->Const.MaxTextureSize
@@ -747,7 +989,7 @@ texture_error_check( GLcontext *ctx, GLenum target,
return GL_TRUE;
}
- iformat = _mesa_base_tex_format( internalFormat );
+ iformat = _mesa_base_tex_format( ctx, internalFormat );
if (iformat < 0) {
if (!isProxy) {
char message[100];
@@ -757,16 +999,18 @@ texture_error_check( GLcontext *ctx, GLenum target,
return GL_TRUE;
}
- if (!_mesa_is_legal_format_and_type( format, type )) {
- /* Yes, generate GL_INVALID_OPERATION, not GL_INVALID_ENUM, if there
- * is a type/format mismatch. See 1.2 spec page 94, sec 3.6.4.
- */
- if (!isProxy) {
- char message[100];
- sprintf(message, "glTexImage%dD(format or type)", dimensions);
- gl_error(ctx, GL_INVALID_OPERATION, message);
+ if (!is_compressed_format(internalFormat)) {
+ if (!_mesa_is_legal_format_and_type( format, type )) {
+ /* Yes, generate GL_INVALID_OPERATION, not GL_INVALID_ENUM, if there
+ * is a type/format mismatch. See 1.2 spec page 94, sec 3.6.4.
+ */
+ if (!isProxy) {
+ char message[100];
+ sprintf(message, "glTexImage%dD(format or type)", dimensions);
+ gl_error(ctx, GL_INVALID_OPERATION, message);
+ }
+ return GL_TRUE;
}
- return GL_TRUE;
}
/* if we get here, the parameters are OK */
@@ -798,7 +1042,15 @@ subtexture_error_check( GLcontext *ctx, GLuint dimensions,
}
}
else if (dimensions == 2) {
- if (target != GL_TEXTURE_2D) {
+ if (ctx->Extensions.HaveTextureCubeMap) {
+ if ((target < GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB ||
+ target > GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) &&
+ target != GL_TEXTURE_2D) {
+ gl_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
+ return GL_TRUE;
+ }
+ }
+ else if (target != GL_TEXTURE_2D) {
gl_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
return GL_TRUE;
}
@@ -873,11 +1125,13 @@ subtexture_error_check( GLcontext *ctx, GLuint dimensions,
}
}
- 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;
+ if (!is_compressed_format(destTex->IntFormat)) {
+ if (!_mesa_is_legal_format_and_type(format, type)) {
+ char message[100];
+ sprintf(message, "glTexSubImage%dD(format or type)", dimensions);
+ gl_error(ctx, GL_INVALID_ENUM, message);
+ return GL_TRUE;
+ }
}
return GL_FALSE;
@@ -896,18 +1150,25 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions,
{
GLint iformat;
- if (target != GL_TEXTURE_1D && target != GL_TEXTURE_2D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexImage1/2D(target)" );
- return GL_TRUE;
- }
-
- if (dimensions == 1 && target != GL_TEXTURE_1D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexImage1D(target)" );
- return GL_TRUE;
+ if (dimensions == 1) {
+ if (target != GL_TEXTURE_1D) {
+ gl_error( ctx, GL_INVALID_ENUM, "glCopyTexImage1D(target)" );
+ return GL_TRUE;
+ }
}
- else if (dimensions == 2 && target != GL_TEXTURE_2D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
- return GL_TRUE;
+ else if (dimensions == 2) {
+ if (ctx->Extensions.HaveTextureCubeMap) {
+ if ((target < GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB ||
+ target > GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) &&
+ target != GL_TEXTURE_2D) {
+ gl_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
+ return GL_TRUE;
+ }
+ }
+ else if (target != GL_TEXTURE_2D) {
+ gl_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
+ return GL_TRUE;
+ }
}
/* Border */
@@ -938,6 +1199,15 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions,
}
}
+ /* For cube map, width must equal height */
+ if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
+ if (width != height) {
+ gl_error(ctx, GL_INVALID_VALUE, "glCopyTexImage2D(width != height)");
+ return GL_TRUE;
+ }
+ }
+
/* Level */
if (level<0 || level>=ctx->Const.MaxTextureLevels) {
char message[100];
@@ -946,7 +1216,7 @@ copytexture_error_check( GLcontext *ctx, GLuint dimensions,
return GL_TRUE;
}
- iformat = _mesa_base_tex_format( internalFormat );
+ iformat = _mesa_base_tex_format( ctx, internalFormat );
if (iformat < 0) {
char message[100];
sprintf(message, "glCopyTexImage%dD(internalFormat)", dimensions);
@@ -968,17 +1238,31 @@ copytexsubimage_error_check( GLcontext *ctx, GLuint dimensions,
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
struct gl_texture_image *teximage;
- if (dimensions == 1 && target != GL_TEXTURE_1D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage1D(target)" );
- return GL_TRUE;
+ if (dimensions == 1) {
+ if (target != GL_TEXTURE_1D) {
+ gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage1D(target)" );
+ return GL_TRUE;
+ }
}
- else if (dimensions == 2 && target != GL_TEXTURE_2D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
- return GL_TRUE;
+ else if (dimensions == 2) {
+ if (ctx->Extensions.HaveTextureCubeMap) {
+ if ((target < GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB ||
+ target > GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) &&
+ target != GL_TEXTURE_2D) {
+ gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
+ return GL_TRUE;
+ }
+ }
+ else if (target != GL_TEXTURE_2D) {
+ gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
+ return GL_TRUE;
+ }
}
- else if (dimensions == 3 && target != GL_TEXTURE_3D) {
- gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage3D(target)" );
- return GL_TRUE;
+ else if (dimensions == 3) {
+ if (target != GL_TEXTURE_3D) {
+ gl_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage3D(target)" );
+ return GL_TRUE;
+ }
}
if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
@@ -1075,8 +1359,8 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
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 )) {
+ if (texture_error_check(ctx, target, level, internalFormat,
+ format, type, 1, width, 1, 1, border)) {
return; /* error in texture image was detected */
}
@@ -1145,21 +1429,18 @@ _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
}
else if (target==GL_PROXY_TEXTURE_1D) {
/* Proxy texture: check for errors and update proxy state */
- if (texture_error_check( ctx, target, level, internalFormat,
- format, type, 1, width, 1, 1, border )) {
+ if (texture_error_check(ctx, target, level, internalFormat,
+ format, type, 1, width, 1, 1, border)) {
+ /* if error, clear all proxy texture image parameters */
if (level>=0 && level<ctx->Const.MaxTextureLevels) {
MEMSET( ctx->Texture.Proxy1D->Image[level], 0,
sizeof(struct gl_texture_image) );
}
}
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]->Border = border;
- ctx->Texture.Proxy1D->Image[level]->Width = width;
- ctx->Texture.Proxy1D->Image[level]->Height = 1;
- ctx->Texture.Proxy1D->Image[level]->Depth = 1;
+ /* if no error, update proxy texture image parameters */
+ init_texture_image(ctx->Texture.Proxy1D->Image[level],
+ width, 1, 1, border, internalFormat);
}
}
else {
@@ -1178,23 +1459,27 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexImage2D");
- if (target==GL_TEXTURE_2D) {
+ if (target==GL_TEXTURE_2D ||
+ (ctx->Extensions.HaveTextureCubeMap &&
+ target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
struct gl_texture_unit *texUnit;
struct gl_texture_object *texObj;
struct gl_texture_image *texImage;
- if (texture_error_check( ctx, target, level, internalFormat,
- format, type, 2, width, height, 1, border )) {
+ if (texture_error_check(ctx, target, level, internalFormat,
+ format, type, 2, width, height, 1, border)) {
return; /* error in texture image was detected */
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->CurrentD[2];
- texImage = texObj->Image[level];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = _mesa_select_tex_image(ctx, texUnit, target, level);
if (!texImage) {
texImage = _mesa_alloc_texture_image();
- texObj->Image[level] = texImage;
+ set_tex_image(texObj, target, level, texImage);
+ /*texObj->Image[level] = texImage;*/
if (!texImage) {
gl_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
return;
@@ -1262,21 +1547,18 @@ _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
}
else if (target==GL_PROXY_TEXTURE_2D) {
/* Proxy texture: check for errors and update proxy state */
- if (texture_error_check( ctx, target, level, internalFormat,
- format, type, 2, width, height, 1, border )) {
+ if (texture_error_check(ctx, target, level, internalFormat,
+ format, type, 2, width, height, 1, border)) {
+ /* if error, clear all proxy texture image parameters */
if (level>=0 && level<ctx->Const.MaxTextureLevels) {
MEMSET( ctx->Texture.Proxy2D->Image[level], 0,
sizeof(struct gl_texture_image) );
}
}
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]->Border = border;
- ctx->Texture.Proxy2D->Image[level]->Width = width;
- ctx->Texture.Proxy2D->Image[level]->Height = height;
- ctx->Texture.Proxy2D->Image[level]->Depth = 1;
+ /* if no error, update proxy texture image parameters */
+ init_texture_image(ctx->Texture.Proxy1D->Image[level],
+ width, height, 1, border, internalFormat);
}
}
else {
@@ -1304,9 +1586,8 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint 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 )) {
+ if (texture_error_check(ctx, target, level, internalFormat,
+ format, type, 3, width, height, depth, border)) {
return; /* error in texture image was detected */
}
@@ -1374,24 +1655,20 @@ _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
gl_put_texobj_on_dirty_list( ctx, texObj );
ctx->NewState |= NEW_TEXTURING;
}
- else if (target==GL_PROXY_TEXTURE_3D_EXT) {
+ else if (target==GL_PROXY_TEXTURE_3D) {
/* Proxy texture: check for errors and update proxy state */
- if (texture_error_check( ctx, target, level, internalFormat,
- format, type, 3, width, height, depth,
- border )) {
+ if (texture_error_check(ctx, target, level, internalFormat,
+ format, type, 3, width, height, depth, border)) {
+ /* if error, clear all proxy texture image parameters */
if (level>=0 && level<ctx->Const.MaxTextureLevels) {
MEMSET( ctx->Texture.Proxy3D->Image[level], 0,
sizeof(struct gl_texture_image) );
}
}
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]->Border = border;
- ctx->Texture.Proxy3D->Image[level]->Width = width;
- ctx->Texture.Proxy3D->Image[level]->Height = height;
- ctx->Texture.Proxy3D->Image[level]->Depth = depth;
+ /* if no error, update proxy texture image parameters */
+ init_texture_image(ctx->Texture.Proxy1D->Image[level],
+ width, height, depth, border, internalFormat);
}
}
else {
@@ -1535,19 +1812,45 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
switch (target) {
case GL_TEXTURE_1D:
texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentD[1];
+ texImage = texObj->Image[level];
break;
case GL_TEXTURE_2D:
texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentD[2];
+ texImage = texObj->Image[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->Image[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->NegX[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->PosY[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->NegY[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->PosZ[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->NegZ[level];
break;
case GL_TEXTURE_3D:
texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentD[3];
+ texImage = texObj->Image[level];
break;
default:
gl_error( ctx, GL_INVALID_ENUM, "glGetTexImage(target)" );
return;
}
- texImage = texObj->Image[level];
if (!texImage) {
/* invalid mipmap level */
return;
@@ -1756,7 +2059,7 @@ _mesa_TexSubImage2D( GLenum target, GLint level,
}
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- texObj = texUnit->CurrentD[2];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
texImage = texObj->Image[level];
assert(texImage);
@@ -2197,3 +2500,491 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
}
}
}
+
+
+
+void
+_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
+ GLenum internalFormat, GLsizei width,
+ GLint border, GLsizei imageSize,
+ const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCompressedTexImage1DARB");
+
+ if (target == GL_TEXTURE_1D) {
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ if (texture_error_check(ctx, target, level, internalFormat,
+ GL_NONE, GL_NONE, 1, width, 1, 1, border)) {
+ return; /* error in texture image was detected */
+ }
+
+ 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, "glCompressedTexImage1DARB");
+ return;
+ }
+ }
+ else if (texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
+ }
+
+ /* setup the teximage struct's fields */
+ init_texture_image(texImage, width, 1, 1, border, internalFormat);
+
+ /* process the texture image */
+ if (data) {
+ GLboolean retain = GL_TRUE;
+ GLboolean success = GL_FALSE;
+ if (ctx->Driver.CompressedTexImage1D) {
+ success = (*ctx->Driver.CompressedTexImage1D)( ctx, target, level,
+ data, texObj, texImage, &retain);
+ }
+ if (retain || !success) {
+ /* make internal copy of the texture image */
+ GLuint imageSize = _mesa_compressed_image_size(internalFormat,
+ width, 1, 1);
+ texImage->Data = MALLOC(imageSize);
+ if (texImage->Data) {
+ MEMCPY(texImage->Data, data, imageSize);
+ }
+ }
+ if (!retain && texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
+ }
+ }
+ else {
+ make_null_texture(texImage);
+ if (ctx->Driver.CompressedTexImage1D) {
+ GLboolean retain;
+ (*ctx->Driver.CompressedTexImage1D)( ctx, target, level,
+ texImage->Data, texObj, texImage, &retain);
+ }
+ }
+
+ /* state update */
+ gl_put_texobj_on_dirty_list( ctx, texObj );
+ ctx->NewState |= NEW_TEXTURING;
+ }
+ else if (target == GL_PROXY_TEXTURE_1D) {
+ /* Proxy texture: check for errors and update proxy state */
+ if (texture_error_check(ctx, target, level, internalFormat,
+ GL_NONE, GL_NONE, 1, width, 1, 1, border)) {
+ /* if error, clear all proxy texture image parameters */
+ if (level>=0 && level<ctx->Const.MaxTextureLevels) {
+ MEMSET( ctx->Texture.Proxy1D->Image[level], 0,
+ sizeof(struct gl_texture_image) );
+ }
+ }
+ else {
+ /* if no error, update proxy texture image parameters */
+ init_texture_image(ctx->Texture.Proxy1D->Image[level],
+ width, 1, 1, border, internalFormat);
+ }
+ }
+ else {
+ gl_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage1DARB(target)" );
+ return;
+ }
+}
+
+
+void
+_mesa_CompressedTexImage2DARB(GLenum target, GLint level,
+ GLenum internalFormat, GLsizei width,
+ GLsizei height, GLint border, GLsizei imageSize,
+ const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCompressedTexImage2DARB");
+
+ if (target==GL_TEXTURE_2D ||
+ (ctx->Extensions.HaveTextureCubeMap &&
+ target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ if (texture_error_check(ctx, target, level, internalFormat,
+ GL_NONE, GL_NONE, 1, width, height, 1, border)) {
+ return; /* error in texture image was detected */
+ }
+
+ 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, "glCompressedTexImage2DARB");
+ return;
+ }
+ }
+ else if (texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
+ }
+
+ /* setup the teximage struct's fields */
+ init_texture_image(texImage, width, height, 1, border, internalFormat);
+
+ /* process the texture image */
+ if (data) {
+ GLboolean retain = GL_TRUE;
+ GLboolean success = GL_FALSE;
+ if (ctx->Driver.CompressedTexImage2D) {
+ success = (*ctx->Driver.CompressedTexImage2D)( ctx, target, level,
+ data, texObj, texImage, &retain);
+ }
+ if (retain || !success) {
+ /* make internal copy of the texture image */
+ GLuint imageSize = _mesa_compressed_image_size(internalFormat,
+ width, height, 1);
+ texImage->Data = MALLOC(imageSize);
+ if (texImage->Data) {
+ MEMCPY(texImage->Data, data, imageSize);
+ }
+ }
+ if (!retain && texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
+ }
+ }
+ else {
+ make_null_texture(texImage);
+ if (ctx->Driver.CompressedTexImage2D) {
+ GLboolean retain;
+ (*ctx->Driver.CompressedTexImage2D)( ctx, target, level,
+ texImage->Data, texObj, texImage, &retain);
+ }
+ }
+
+ /* 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,
+ GL_NONE, GL_NONE, 1, width, 1, 1, border)) {
+ /* if error, clear all proxy texture image parameters */
+ if (level>=0 && level<ctx->Const.MaxTextureLevels) {
+ MEMSET( ctx->Texture.Proxy2D->Image[level], 0,
+ sizeof(struct gl_texture_image) );
+ }
+ }
+ else {
+ /* if no error, update proxy texture image parameters */
+ init_texture_image(ctx->Texture.Proxy2D->Image[level],
+ width, 1, 1, border, internalFormat);
+ }
+ }
+ else {
+ gl_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage2DARB(target)" );
+ return;
+ }
+}
+
+
+void
+_mesa_CompressedTexImage3DARB(GLenum target, GLint level,
+ GLenum internalFormat, GLsizei width,
+ GLsizei height, GLsizei depth, GLint border,
+ GLsizei imageSize, const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glCompressedTexImage3DARB");
+
+ if (target == GL_TEXTURE_3D) {
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ if (texture_error_check(ctx, target, level, internalFormat,
+ GL_NONE, GL_NONE, 1, width, height, depth, border)) {
+ return; /* error in texture image was detected */
+ }
+
+ 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, "glCompressedTexImage3DARB");
+ return;
+ }
+ }
+ else if (texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
+ }
+
+ /* setup the teximage struct's fields */
+ init_texture_image(texImage, width, height, depth, border, internalFormat);
+
+ /* process the texture image */
+ if (data) {
+ GLboolean retain = GL_TRUE;
+ GLboolean success = GL_FALSE;
+ if (ctx->Driver.CompressedTexImage3D) {
+ success = (*ctx->Driver.CompressedTexImage3D)( ctx, target, level,
+ data, texObj, texImage, &retain);
+ }
+ if (retain || !success) {
+ /* make internal copy of the texture image */
+ GLuint imageSize = _mesa_compressed_image_size(internalFormat,
+ width, height, depth);
+ texImage->Data = MALLOC(imageSize);
+ if (texImage->Data) {
+ MEMCPY(texImage->Data, data, imageSize);
+ }
+ }
+ if (!retain && texImage->Data) {
+ FREE(texImage->Data);
+ texImage->Data = NULL;
+ }
+ }
+ else {
+ make_null_texture(texImage);
+ if (ctx->Driver.CompressedTexImage3D) {
+ GLboolean retain;
+ (*ctx->Driver.CompressedTexImage3D)( ctx, target, level,
+ texImage->Data, texObj, texImage, &retain);
+ }
+ }
+
+ /* state update */
+ gl_put_texobj_on_dirty_list( ctx, texObj );
+ ctx->NewState |= NEW_TEXTURING;
+ }
+ else if (target == GL_PROXY_TEXTURE_3D) {
+ /* Proxy texture: check for errors and update proxy state */
+ if (texture_error_check(ctx, target, level, internalFormat,
+ GL_NONE, GL_NONE, 1, width, height, depth, border)) {
+ /* if error, clear all proxy texture image parameters */
+ if (level>=0 && level<ctx->Const.MaxTextureLevels) {
+ MEMSET( ctx->Texture.Proxy3D->Image[level], 0,
+ sizeof(struct gl_texture_image) );
+ }
+ }
+ else {
+ /* if no error, update proxy texture image parameters */
+ init_texture_image(ctx->Texture.Proxy3D->Image[level],
+ width, 1, 1, border, internalFormat);
+ }
+ }
+ else {
+ gl_error( ctx, GL_INVALID_ENUM, "glCompressedTexImage3DARB(target)" );
+ return;
+ }
+}
+
+
+void
+_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
+ GLsizei width, GLenum format,
+ GLsizei imageSize, const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLboolean success = GL_FALSE;
+
+ if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0,
+ width, 1, 1, format, GL_NONE)) {
+ return; /* error was detected */
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = texObj->Image[level];
+ assert(texImage);
+
+ if (width == 0 || !data)
+ return; /* no-op, not an error */
+
+ if (ctx->Driver.CompressedTexSubImage1D) {
+ success = (*ctx->Driver.CompressedTexSubImage1D)(ctx, target, level,
+ xoffset, width, format, imageSize, data, texObj, texImage);
+ }
+ if (!success) {
+ /* XXX what else can we do? */
+ gl_problem(ctx, "glCompressedTexSubImage1DARB failed!");
+ return;
+ }
+
+}
+
+
+void
+_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
+ GLint yoffset, GLsizei width, GLsizei height,
+ GLenum format, GLsizei imageSize,
+ const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLboolean success = GL_FALSE;
+
+ if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
+ width, height, 1, format, GL_NONE)) {
+ return; /* error was detected */
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = texObj->Image[level];
+ assert(texImage);
+
+ if (width == 0 || height == 0 || !data)
+ return; /* no-op, not an error */
+
+ if (ctx->Driver.CompressedTexSubImage2D) {
+ success = (*ctx->Driver.CompressedTexSubImage2D)(ctx, target, level,
+ xoffset, yoffset, width, height, format,
+ imageSize, data, texObj, texImage);
+ }
+ if (!success) {
+ /* XXX what else can we do? */
+ gl_problem(ctx, "glCompressedTexSubImage2DARB failed!");
+ return;
+ }
+}
+
+
+void
+_mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
+ GLint yoffset, GLint zoffset, GLsizei width,
+ GLsizei height, GLsizei depth, GLenum format,
+ GLsizei imageSize, const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLboolean success = GL_FALSE;
+
+ if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset,
+ width, height, depth, format, GL_NONE)) {
+ return; /* error was detected */
+ }
+
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ texImage = texObj->Image[level];
+ assert(texImage);
+
+ if (width == 0 || height == 0 || depth == 0 || !data)
+ return; /* no-op, not an error */
+
+ if (ctx->Driver.CompressedTexSubImage3D) {
+ success = (*ctx->Driver.CompressedTexSubImage3D)(ctx, target, level,
+ xoffset, yoffset, zoffset, width, height, depth,
+ format, imageSize, data, texObj, texImage);
+ }
+ if (!success) {
+ /* XXX what else can we do? */
+ gl_problem(ctx, "glCompressedTexSubImage3DARB failed!");
+ return;
+ }
+}
+
+
+void
+_mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetCompressedTexImageARB");
+
+ if (level < 0 || level >= ctx->Const.MaxTextureLevels) {
+ gl_error( ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)" );
+ return;
+ }
+
+ switch (target) {
+ case GL_TEXTURE_1D:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentD[1];
+ texImage = texObj->Image[level];
+ break;
+ case GL_TEXTURE_2D:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentD[2];
+ texImage = texObj->Image[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->Image[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->NegX[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->PosY[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->NegY[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->PosZ[level];
+ break;
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentCubeMap;
+ texImage = texObj->NegZ[level];
+ break;
+ case GL_TEXTURE_3D:
+ texObj = ctx->Texture.Unit[ctx->Texture.CurrentUnit].CurrentD[3];
+ texImage = texObj->Image[level];
+ break;
+ default:
+ gl_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
+ return;
+ }
+
+ if (!texImage) {
+ /* invalid mipmap level */
+ gl_error(ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)");
+ return;
+ }
+
+ if (!texImage->IsCompressed) {
+ gl_error(ctx, GL_INVALID_OPERATION, "glGetCompressedTexImageARB");
+ return;
+ }
+
+ if (!img)
+ return;
+
+ if (ctx->Driver.GetCompressedTexImage) {
+ (*ctx->Driver.GetCompressedTexImage)(ctx, target, level, img, texObj,
+ texImage);
+ }
+ else {
+ gl_problem(ctx, "Driver doesn't implement GetCompressedTexImage");
+ }
+}