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-rw-r--r--src/mesa/main/dd.h28
-rw-r--r--src/mesa/main/extensions.c8
-rw-r--r--src/mesa/main/teximage.c448
-rw-r--r--src/mesa/main/teximage.h9
4 files changed, 437 insertions, 56 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index ac6ce764736..106d99d780f 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -640,6 +640,34 @@ struct dd_function_table {
* Core Mesa will perform any image format/type conversions that are needed.
*/
+ GLboolean (*CompressedTexImage1D)( GLcontext *ctx, GLenum target,
+ GLint level, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage,
+ GLboolean *retainInternalCopy);
+ GLboolean (*CompressedTexImage2D)( GLcontext *ctx, GLenum target,
+ GLint level, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage,
+ GLboolean *retainInternalCopy);
+ GLboolean (*CompressedTexImage3D)( GLcontext *ctx, GLenum target,
+ GLint level, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage,
+ GLboolean *retainInternalCopy);
+ /* Called by glCompressedTexImage1/2/3D.
+ * Arguments:
+ * <target>, <level>, <internalFormat>, <data> are user specified.
+ * <texObj> is the target texture object.
+ * <texImage> is the target texture image. It will have the texture
+ * width, height, depth, border and internalFormat information.
+ * <retainInternalCopy> is returned by this function and indicates whether
+ * core Mesa should keep an internal copy of the texture image.
+ * Return GL_TRUE if operation completed, return GL_FALSE if core Mesa
+ * should do the job.
+ */
+
+
void (*TexEnv)( GLcontext *ctx, GLenum target, GLenum pname,
const GLfloat *param );
/* Called by glTexEnv*().
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 897a973baf4..92615396dad 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -1,4 +1,4 @@
-/* $Id: extensions.c,v 1.28 2000/05/23 20:10:49 brianp Exp $ */
+/* $Id: extensions.c,v 1.29 2000/05/24 14:04:06 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -71,6 +71,7 @@ static struct { int enabled; const char *name; } default_extensions[] = {
{ DEFAULT_ON, "GL_EXT_shared_texture_palette" },
{ ALWAYS_ENABLED, "GL_EXT_stencil_wrap" },
{ DEFAULT_ON, "GL_EXT_texture3D" },
+ { DEFAULT_OFF, "GL_EXT_texture_compression_s3tc" },
{ DEFAULT_OFF, "GL_EXT_texture_env" },
{ DEFAULT_ON, "GL_EXT_texture_env_add" },
{ ALWAYS_ENABLED, "GL_EXT_texture_object" },
@@ -87,7 +88,8 @@ static struct { int enabled; const char *name; } default_extensions[] = {
{ DEFAULT_ON, "GL_SGI_color_table" },
{ DEFAULT_ON, "GL_SGIS_pixel_texture" },
{ DEFAULT_ON, "GL_SGIS_texture_edge_clamp" },
- { DEFAULT_ON, "GL_SGIX_pixel_texture" }
+ { DEFAULT_ON, "GL_SGIX_pixel_texture" },
+ { DEFAULT_OFF, "GL_3DFX_texture_compression_FXT1" }
};
@@ -103,6 +105,8 @@ update_extension_flags( GLcontext *ctx )
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.HaveTextureCompression = gl_extension_is_enabled(ctx, "GL_ARB_texture_compression");
+ ctx->Extensions.HaveTextureCompressionS3TC = gl_extension_is_enabled(ctx, "GL_EXT_texture_compression_s3tc");
+ ctx->Extensions.HaveTextureCompressionFXT1 = gl_extension_is_enabled(ctx, "GL_3DFX_texture_compression_FXT1");
}
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 30677e3216f..b0db8665611 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/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
@@ -442,7 +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;
@@ -462,6 +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);
}
@@ -479,6 +555,19 @@ _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.
*/
@@ -886,7 +975,7 @@ 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];
@@ -896,16 +985,18 @@ 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 */
@@ -1100,7 +1191,7 @@ 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);
@@ -1243,8 +1334,8 @@ _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 */
}
@@ -1313,21 +1404,18 @@ _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 {
@@ -1354,8 +1442,8 @@ _mesa_TexImage2D( 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, 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 */
}
@@ -1434,21 +1522,18 @@ _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 {
@@ -1476,9 +1561,8 @@ _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 */
}
@@ -1546,24 +1630,20 @@ _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 {
@@ -2374,28 +2454,292 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level,
void
_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
- GLenum internalformat, GLsizei width,
+ 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,
+ 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) {
+ 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,
+ 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_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, 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;
+ }
}
diff --git a/src/mesa/main/teximage.h b/src/mesa/main/teximage.h
index bbf1836eabb..02d6ee1bcb8 100644
--- a/src/mesa/main/teximage.h
+++ b/src/mesa/main/teximage.h
@@ -1,4 +1,4 @@
-/* $Id: teximage.h,v 1.9 2000/05/23 20:10:50 brianp Exp $ */
+/* $Id: teximage.h,v 1.10 2000/05/24 14:04:06 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -36,7 +36,7 @@
extern GLint
-_mesa_base_tex_format( GLint format );
+_mesa_base_tex_format( GLcontext *ctx, GLint format );
extern struct gl_texture_image *
@@ -47,6 +47,11 @@ extern void
_mesa_free_texture_image( struct gl_texture_image *teximage );
+extern GLuint
+_mesa_compressed_image_size(GLenum internalFormat,
+ GLint width, GLint height, GLint depth);
+
+
extern struct gl_texture_object *
_mesa_select_tex_object(GLcontext *ctx, struct gl_texture_unit *texUnit,
GLenum target);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 02:42:04 +0000