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initial work for GL_ARB_texture_compression

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This commit is contained in:
Brian Paul
2000-05-23 20:10:49 +00:00
parent 35d5301a54
commit 1207bf057a
10 changed files with 339 additions and 14 deletions
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6
src/mesa/main/config.h
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@@ -1,4 +1,4 @@
/* $Id: config.h,v 1.13 2000/05/07 20:41:30 brianp Exp $ */ /* $Id: config.h,v 1.14 2000/05/23 20:10:49 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -122,6 +122,10 @@
#define MAX_CONVOLUTION_WIDTH 5 #define MAX_CONVOLUTION_WIDTH 5
#define MAX_CONVOLUTION_HEIGHT 5 #define MAX_CONVOLUTION_HEIGHT 5
/* GL_ARB_texture_compression */
#define MAX_COMPRESSED_TEXTURE_FORMATS 25
/* /*
* Mesa-specific parameters * Mesa-specific parameters

6
src/mesa/main/context.c
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@@ -1,4 +1,4 @@
/* $Id: context.c,v 1.66 2000/05/22 16:33:20 brianp Exp $ */ /* $Id: context.c,v 1.67 2000/05/23 20:10:49 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -722,6 +722,7 @@ init_attrib_groups( GLcontext *ctx )
ctx->Const.MaxColorTableSize = MAX_COLOR_TABLE_SIZE; ctx->Const.MaxColorTableSize = MAX_COLOR_TABLE_SIZE;
ctx->Const.MaxConvolutionWidth = MAX_CONVOLUTION_WIDTH; ctx->Const.MaxConvolutionWidth = MAX_CONVOLUTION_WIDTH;
ctx->Const.MaxConvolutionHeight = MAX_CONVOLUTION_HEIGHT; ctx->Const.MaxConvolutionHeight = MAX_CONVOLUTION_HEIGHT;
ctx->Const.NumCompressedTextureFormats = 0;
/* Modelview matrix */ /* Modelview matrix */
gl_matrix_ctr( &ctx->ModelView ); gl_matrix_ctr( &ctx->ModelView );
@@ -900,11 +901,12 @@ init_attrib_groups( GLcontext *ctx )
ctx->Hint.LineSmooth = GL_DONT_CARE; ctx->Hint.LineSmooth = GL_DONT_CARE;
ctx->Hint.PolygonSmooth = GL_DONT_CARE; ctx->Hint.PolygonSmooth = GL_DONT_CARE;
ctx->Hint.Fog = GL_DONT_CARE; ctx->Hint.Fog = GL_DONT_CARE;
ctx->Hint.AllowDrawWin = GL_TRUE; ctx->Hint.AllowDrawWin = GL_TRUE;
ctx->Hint.AllowDrawFrg = GL_TRUE; ctx->Hint.AllowDrawFrg = GL_TRUE;
ctx->Hint.AllowDrawMem = GL_TRUE; ctx->Hint.AllowDrawMem = GL_TRUE;
ctx->Hint.StrictLighting = GL_TRUE; ctx->Hint.StrictLighting = GL_TRUE;
ctx->Hint.ClipVolumeClipping = GL_DONT_CARE;
ctx->Hint.TextureCompression = GL_DONT_CARE;
/* Histogram group */ /* Histogram group */
ctx->Histogram.Width = 0; ctx->Histogram.Width = 0;

68
src/mesa/main/dlist.c
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@@ -1,4 +1,4 @@
/* $Id: dlist.c,v 1.39 2000/05/19 13:12:29 brianp Exp $ */ /* $Id: dlist.c,v 1.40 2000/05/23 20:10:49 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -3559,6 +3559,8 @@ static void save_ClientActiveTextureARB( GLenum target )
/* GL_ARB_transpose_matrix */
static void save_LoadTransposeMatrixdARB( const GLdouble m[16] ) static void save_LoadTransposeMatrixdARB( const GLdouble m[16] )
{ {
GLdouble tm[16]; GLdouble tm[16];
@@ -3606,6 +3608,62 @@ static void save_PixelTexGenSGIX(GLenum mode)
} }
/* GL_ARB_texture_compression */
static void
save_CompressedTexImage1DARB(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLint border, GLsizei imageSize,
const GLvoid *data)
{
}
static void
save_CompressedTexImage2DARB(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLsizei height, GLint border, GLsizei imageSize,
const GLvoid *data)
{
}
static void
save_CompressedTexImage3DARB(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLsizei height, GLsizei depth, GLint border,
GLsizei imageSize, const GLvoid *data)
{
}
static void
save_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
GLsizei width, GLenum format,
GLsizei imageSize, const GLvoid *data)
{
}
static void
save_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLsizei width, GLsizei height,
GLenum format, GLsizei imageSize,
const GLvoid *data)
{
}
static void
save_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLint zoffset, GLsizei width,
GLsizei height, GLsizei depth, GLenum format,
GLsizei imageSize, const GLvoid *data)
{
}
/* GL_SGIS_pixel_texture */
static void save_PixelTexGenParameteriSGIS(GLenum target, GLint value) static void save_PixelTexGenParameteriSGIS(GLenum target, GLint value)
{ {
GET_CURRENT_CONTEXT(ctx); GET_CURRENT_CONTEXT(ctx);
@@ -5181,6 +5239,14 @@ _mesa_init_dlist_table( struct _glapi_table *table )
table->MultTransposeMatrixdARB = save_MultTransposeMatrixdARB; table->MultTransposeMatrixdARB = save_MultTransposeMatrixdARB;
table->MultTransposeMatrixfARB = save_MultTransposeMatrixfARB; table->MultTransposeMatrixfARB = save_MultTransposeMatrixfARB;
/* ARB 12. GL_ARB_texture_compression */
table->CompressedTexImage3DARB = save_CompressedTexImage3DARB;
table->CompressedTexImage2DARB = save_CompressedTexImage2DARB;
table->CompressedTexImage1DARB = save_CompressedTexImage1DARB;
table->CompressedTexSubImage3DARB = save_CompressedTexSubImage3DARB;
table->CompressedTexSubImage2DARB = save_CompressedTexSubImage2DARB;
table->CompressedTexSubImage1DARB = save_CompressedTexSubImage1DARB;
table->GetCompressedTexImageARB = _mesa_GetCompressedTexImageARB;
} }

4
src/mesa/main/extensions.c
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@@ -1,4 +1,4 @@
/* $Id: extensions.c,v 1.27 2000/05/22 18:46:52 brianp Exp $ */ /* $Id: extensions.c,v 1.28 2000/05/23 20:10:49 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -51,6 +51,7 @@ struct extension {
static struct { int enabled; const char *name; } default_extensions[] = { static struct { int enabled; const char *name; } default_extensions[] = {
{ DEFAULT_OFF, "GL_ARB_imaging" }, /* in progress */ { DEFAULT_OFF, "GL_ARB_imaging" }, /* in progress */
{ DEFAULT_ON, "GL_ARB_multitexture" }, { DEFAULT_ON, "GL_ARB_multitexture" },
{ DEFAULT_OFF, "GL_ARB_texture_compression" }, /* in progress */
{ DEFAULT_OFF, "GL_ARB_texture_cube_map" }, /* in progress */ { DEFAULT_OFF, "GL_ARB_texture_cube_map" }, /* in progress */
{ ALWAYS_ENABLED, "GL_ARB_tranpose_matrix" }, { ALWAYS_ENABLED, "GL_ARB_tranpose_matrix" },
{ ALWAYS_ENABLED, "GL_EXT_abgr" }, { ALWAYS_ENABLED, "GL_EXT_abgr" },
@@ -101,6 +102,7 @@ update_extension_flags( GLcontext *ctx )
ctx->Extensions.HaveTextureLodBias = gl_extension_is_enabled(ctx, "GL_EXT_texture_lod_bias"); ctx->Extensions.HaveTextureLodBias = gl_extension_is_enabled(ctx, "GL_EXT_texture_lod_bias");
ctx->Extensions.HaveHpOcclusionTest = gl_extension_is_enabled(ctx, "GL_HP_occlusion_test"); ctx->Extensions.HaveHpOcclusionTest = gl_extension_is_enabled(ctx, "GL_HP_occlusion_test");
ctx->Extensions.HaveTextureCubeMap = gl_extension_is_enabled(ctx, "GL_ARB_texture_cube_map"); ctx->Extensions.HaveTextureCubeMap = gl_extension_is_enabled(ctx, "GL_ARB_texture_cube_map");
ctx->Extensions.HaveTextureCompression = gl_extension_is_enabled(ctx, "GL_ARB_texture_compression");
} }

102
src/mesa/main/get.c
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@@ -1,4 +1,4 @@
/* $Id: get.c,v 1.28 2000/05/23 17:14:49 brianp Exp $ */ /* $Id: get.c,v 1.29 2000/05/23 20:10:49 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -974,6 +974,31 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params )
gl_error(ctx, GL_INVALID_ENUM, "glGetBooleanv"); gl_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
break; break;
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSION_HINT_ARB:
if (ctx->Extensions.HaveTextureCompression) {
*params = INT_TO_BOOL(ctx->Hint.TextureCompression);
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
break;
case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
if (ctx->Extensions.HaveTextureCompression) {
*params = INT_TO_BOOL(ctx->Const.NumCompressedTextureFormats);
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
break;
case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
if (ctx->Extensions.HaveTextureCompression) {
GLuint i;
for (i = 0; i < ctx->Const.NumCompressedTextureFormats; i++)
params[i] = INT_TO_BOOL(ctx->Const.CompressedTextureFormats[i]);
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetBooleanv");
break;
/* GL_PGI_misc_hints */ /* GL_PGI_misc_hints */
case GL_STRICT_DEPTHFUNC_HINT_PGI: case GL_STRICT_DEPTHFUNC_HINT_PGI:
*params = ENUM_TO_BOOL(GL_NICEST); *params = ENUM_TO_BOOL(GL_NICEST);
@@ -2092,6 +2117,31 @@ _mesa_GetDoublev( GLenum pname, GLdouble *params )
gl_error(ctx, GL_INVALID_ENUM, "glGetDoublev"); gl_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
return; return;
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSION_HINT_ARB:
if (ctx->Extensions.HaveTextureCompression) {
*params = (GLdouble) ctx->Hint.TextureCompression;
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
break;
case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
if (ctx->Extensions.HaveTextureCompression) {
*params = (GLdouble) ctx->Const.NumCompressedTextureFormats;
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
break;
case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
if (ctx->Extensions.HaveTextureCompression) {
GLuint i;
for (i = 0; i < ctx->Const.NumCompressedTextureFormats; i++)
params[i] = (GLdouble) ctx->Const.CompressedTextureFormats[i];
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetDoublev");
break;
/* GL_PGI_misc_hints */ /* GL_PGI_misc_hints */
case GL_STRICT_DEPTHFUNC_HINT_PGI: case GL_STRICT_DEPTHFUNC_HINT_PGI:
*params = ENUM_TO_DOUBLE(GL_NICEST); *params = ENUM_TO_DOUBLE(GL_NICEST);
@@ -3209,6 +3259,31 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params )
gl_error(ctx, GL_INVALID_ENUM, "glGetFloatv"); gl_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
return; return;
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSION_HINT_ARB:
if (ctx->Extensions.HaveTextureCompression) {
*params = (GLfloat) ctx->Hint.TextureCompression;
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
break;
case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
if (ctx->Extensions.HaveTextureCompression) {
*params = (GLfloat) ctx->Const.NumCompressedTextureFormats;
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
break;
case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
if (ctx->Extensions.HaveTextureCompression) {
GLuint i;
for (i = 0; i < ctx->Const.NumCompressedTextureFormats; i++)
params[i] = (GLfloat) ctx->Const.CompressedTextureFormats[i];
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetFloatv");
break;
/* GL_PGI_misc_hints */ /* GL_PGI_misc_hints */
case GL_STRICT_DEPTHFUNC_HINT_PGI: case GL_STRICT_DEPTHFUNC_HINT_PGI:
*params = ENUM_TO_FLOAT(GL_NICEST); *params = ENUM_TO_FLOAT(GL_NICEST);
@@ -4300,6 +4375,31 @@ _mesa_GetIntegerv( GLenum pname, GLint *params )
gl_error(ctx, GL_INVALID_ENUM, "glGetIntegerv"); gl_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
return; return;
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSION_HINT_ARB:
if (ctx->Extensions.HaveTextureCompression) {
*params = (GLint) ctx->Hint.TextureCompression;
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
break;
case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
if (ctx->Extensions.HaveTextureCompression) {
*params = (GLint) ctx->Const.NumCompressedTextureFormats;
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
break;
case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
if (ctx->Extensions.HaveTextureCompression) {
GLuint i;
for (i = 0; i < ctx->Const.NumCompressedTextureFormats; i++)
params[i] = (GLint) ctx->Const.CompressedTextureFormats[i];
}
else
gl_error(ctx, GL_INVALID_ENUM, "glGetIntegerv");
break;
/* GL_PGI_misc_hints */ /* GL_PGI_misc_hints */
case GL_STRICT_DEPTHFUNC_HINT_PGI: case GL_STRICT_DEPTHFUNC_HINT_PGI:
*params = (GL_NICEST); *params = (GL_NICEST);

16
src/mesa/main/hint.c
View File

@@ -1,4 +1,4 @@
/* $Id: hint.c,v 1.3 2000/04/10 15:52:26 brianp Exp $ */ /* $Id: hint.c,v 1.4 2000/05/23 20:10:50 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -121,13 +121,23 @@ _mesa_try_Hint( GLcontext *ctx, GLenum target, GLenum mode )
case GL_NATIVE_GRAPHICS_HANDLE_PGI: case GL_NATIVE_GRAPHICS_HANDLE_PGI:
break; break;
/* GL_EXT_clip_volume_hint */ /* GL_EXT_clip_volume_hint */
case GL_CLIP_VOLUME_CLIPPING_HINT_EXT: case GL_CLIP_VOLUME_CLIPPING_HINT_EXT:
ctx->Hint.ClipVolumeClipping = mode; ctx->Hint.ClipVolumeClipping = mode;
break; break;
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSION_HINT_ARB:
if (ctx->Extensions.HaveTextureCompression) {
ctx->Hint.TextureCompression = mode;
}
else {
gl_error(ctx, GL_INVALID_ENUM, "glHint(target)");
}
break;
default: default:
gl_error( ctx, GL_INVALID_ENUM, "glHint(target)" ); gl_error(ctx, GL_INVALID_ENUM, "glHint(target)");
return GL_FALSE; return GL_FALSE;
} }

13
src/mesa/main/state.c
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@@ -1,4 +1,4 @@
/* $Id: state.c,v 1.12 2000/05/10 22:36:05 brianp Exp $ */ /* $Id: state.c,v 1.13 2000/05/23 20:10:50 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -641,9 +641,20 @@ _mesa_init_exec_table(struct _glapi_table *exec)
exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB; exec->LoadTransposeMatrixfARB = _mesa_LoadTransposeMatrixfARB;
exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB; exec->MultTransposeMatrixdARB = _mesa_MultTransposeMatrixdARB;
exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB; exec->MultTransposeMatrixfARB = _mesa_MultTransposeMatrixfARB;
/* ARB 12. GL_ARB_texture_compression */
exec->CompressedTexImage3DARB = _mesa_CompressedTexImage3DARB;
exec->CompressedTexImage2DARB = _mesa_CompressedTexImage2DARB;
exec->CompressedTexImage1DARB = _mesa_CompressedTexImage1DARB;
exec->CompressedTexSubImage3DARB = _mesa_CompressedTexSubImage3DARB;
exec->CompressedTexSubImage2DARB = _mesa_CompressedTexSubImage2DARB;
exec->CompressedTexSubImage1DARB = _mesa_CompressedTexSubImage1DARB;
exec->GetCompressedTexImageARB = _mesa_GetCompressedTexImageARB;
} }
/**********************************************************************/ /**********************************************************************/
/***** State update logic *****/ /***** State update logic *****/
/**********************************************************************/ /**********************************************************************/

60
src/mesa/main/teximage.c
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@@ -2369,3 +2369,63 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
} }
} }
} }
void
_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLint border, GLsizei imageSize,
const GLvoid *data)
{
}
void
_mesa_CompressedTexImage2DARB(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLsizei height, GLint border, GLsizei imageSize,
const GLvoid *data)
{
}
void
_mesa_CompressedTexImage3DARB(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLsizei height, GLsizei depth, GLint border,
GLsizei imageSize, const GLvoid *data)
{
}
void
_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
GLsizei width, GLenum format,
GLsizei imageSize, const GLvoid *data)
{
}
void
_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLsizei width, GLsizei height,
GLenum format, GLsizei imageSize,
const GLvoid *data)
{
}
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)
{
}
void
_mesa_GetCompressedTexImageARB(GLenum target, GLint lod, GLvoid *img)
{
}

44
src/mesa/main/teximage.h
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@@ -1,4 +1,4 @@
/* $Id: teximage.h,v 1.8 2000/05/23 17:14:49 brianp Exp $ */ /* $Id: teximage.h,v 1.9 2000/05/23 20:10:50 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -145,5 +145,47 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset, GLint xoffset, GLint yoffset, GLint zoffset,
GLint x, GLint y, GLsizei width, GLsizei height ); GLint x, GLint y, GLsizei width, GLsizei height );
extern void
_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLint border, GLsizei imageSize,
const GLvoid *data);
extern void
_mesa_CompressedTexImage2DARB(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLsizei height, GLint border, GLsizei imageSize,
const GLvoid *data);
extern void
_mesa_CompressedTexImage3DARB(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLsizei height, GLsizei depth, GLint border,
GLsizei imageSize, const GLvoid *data);
extern void
_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
GLsizei width, GLenum format,
GLsizei imageSize, const GLvoid *data);
extern void
_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLsizei width, GLsizei height,
GLenum format, GLsizei imageSize,
const GLvoid *data);
extern 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);
extern void
_mesa_GetCompressedTexImageARB(GLenum target, GLint lod, GLvoid *img);
#endif #endif

34
src/mesa/main/texstate.c
View File

@@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.12 2000/05/23 17:14:49 brianp Exp $ */ /* $Id: texstate.c,v 1.13 2000/05/23 20:10:50 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -463,6 +463,7 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
const struct gl_texture_image *img = NULL; const struct gl_texture_image *img = NULL;
GLuint dimensions; GLuint dimensions;
GLboolean isProxy;
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexLevelParameter"); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexLevelParameter");
@@ -486,6 +487,11 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
return; return;
} }
isProxy = (target == GL_PROXY_TEXTURE_1D) ||
(target == GL_PROXY_TEXTURE_2D) ||
(target == GL_PROXY_TEXTURE_3D) ||
(target == GL_PROXY_TEXTURE_CUBE_MAP_ARB);
switch (pname) { switch (pname) {
case GL_TEXTURE_WIDTH: case GL_TEXTURE_WIDTH:
*params = img->Width; *params = img->Width;
@@ -535,9 +541,31 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
case GL_TEXTURE_INDEX_SIZE_EXT: case GL_TEXTURE_INDEX_SIZE_EXT:
*params = img->IndexBits; *params = img->IndexBits;
return; return;
/* GL_ARB_texture_compression */
case GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB:
if (ctx->Extensions.HaveTextureCompression) {
if (img->IsCompressed && !isProxy)
*params = img->CompressedSize;
else
gl_error(ctx, GL_INVALID_OPERATION,
"glGetTexLevelParameter[if]v(pname)");
}
else {
gl_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname)");
}
return;
case GL_TEXTURE_COMPRESSED_ARB:
if (ctx->Extensions.HaveTextureCompression) {
*params = (GLint) img->IsCompressed;
}
else {
gl_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname)");
}
return;
default: default:
gl_error( ctx, GL_INVALID_ENUM, gl_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname)");
"glGetTexLevelParameter[if]v(pname)" );
} }
} }