#include "texcompress.h"
#include "texformat.h"
#include "texgetimage.h"
+#include "teximage.h"
}
+/**
+ * Return pointer to current texture unit.
+ * This the texture unit set by glActiveTexture(), not glClientActiveTexture().
+ */
+static INLINE struct gl_texture_unit *
+get_current_tex_unit(GLcontext *ctx)
+{
+ ASSERT(ctx->Texture.CurrentUnit < Elements(ctx->Texture.Unit));
+ return &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
+}
+
+
/**
* This is the software fallback for Driver.GetTexImage().
* All error checking will have been done before this routine is called.
ctx->Pack.BufferObj);
}
}
+
+
+
+/**
+ * Do error checking for a glGetTexImage() call.
+ * \return GL_TRUE if any error, GL_FALSE if no errors.
+ */
+static GLboolean
+getteximage_error_check(GLcontext *ctx, GLenum target, GLint level,
+ GLenum format, GLenum type, GLvoid *pixels )
+{
+ const struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ const GLuint maxLevels = _mesa_max_texture_levels(ctx, target);
+
+ ASSERT(maxLevels > 0); /* 0 indicates bad target, caught above */
+
+ if (level < 0 || level >= maxLevels) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
+ return GL_TRUE;
+ }
+
+ if (_mesa_sizeof_packed_type(type) <= 0) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
+ return GL_TRUE;
+ }
+
+ if (_mesa_components_in_format(format) <= 0 ||
+ format == GL_STENCIL_INDEX) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
+ return GL_TRUE;
+ }
+
+ if (!ctx->Extensions.EXT_paletted_texture && _mesa_is_index_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return GL_TRUE;
+ }
+
+ if (!ctx->Extensions.ARB_depth_texture && _mesa_is_depth_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return GL_TRUE;
+ }
+
+ if (!ctx->Extensions.MESA_ycbcr_texture && _mesa_is_ycbcr_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return GL_TRUE;
+ }
+
+ if (!ctx->Extensions.EXT_packed_depth_stencil
+ && _mesa_is_depthstencil_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return GL_TRUE;
+ }
+
+ if (!ctx->Extensions.ATI_envmap_bumpmap
+ && _mesa_is_dudv_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return GL_TRUE;
+ }
+
+ texUnit = get_current_tex_unit(ctx);
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+
+ if (!texObj || _mesa_is_proxy_texture(target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
+ return GL_TRUE;
+ }
+
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+ if (!texImage) {
+ /* out of memory */
+ return GL_TRUE;
+ }
+
+ /* Make sure the requested image format is compatible with the
+ * texture's format. Note that a color index texture can be converted
+ * to RGBA so that combo is allowed.
+ */
+ if (_mesa_is_color_format(format)
+ && !_mesa_is_color_format(texImage->TexFormat->BaseFormat)
+ && !_mesa_is_index_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+ else if (_mesa_is_index_format(format)
+ && !_mesa_is_index_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+ else if (_mesa_is_depth_format(format)
+ && !_mesa_is_depth_format(texImage->TexFormat->BaseFormat)
+ && !_mesa_is_depthstencil_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+ else if (_mesa_is_ycbcr_format(format)
+ && !_mesa_is_ycbcr_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+ else if (_mesa_is_depthstencil_format(format)
+ && !_mesa_is_depthstencil_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+ else if (_mesa_is_dudv_format(format)
+ && !_mesa_is_dudv_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ /* packing texture image into a PBO */
+ const GLuint dimensions = (target == GL_TEXTURE_3D) ? 3 : 2;
+ if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width,
+ texImage->Height, texImage->Depth,
+ format, type, pixels)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexImage(invalid PBO access)");
+ return GL_TRUE;
+ }
+ }
+
+ return GL_FALSE;
+}
+
+
+
+/**
+ * Get texture image. Called by glGetTexImage.
+ *
+ * \param target texture target.
+ * \param level image level.
+ * \param format pixel data format for returned image.
+ * \param type pixel data type for returned image.
+ * \param pixels returned pixel data.
+ */
+void GLAPIENTRY
+_mesa_GetTexImage( GLenum target, GLint level, GLenum format,
+ GLenum type, GLvoid *pixels )
+{
+ const struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (getteximage_error_check(ctx, target, level, format, type, pixels)) {
+ return;
+ }
+
+ texUnit = get_current_tex_unit(ctx);
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ struct gl_texture_image *texImage =
+ _mesa_select_tex_image(ctx, texObj, target, level);
+
+ /* typically, this will call _mesa_get_teximage() */
+ ctx->Driver.GetTexImage(ctx, target, level, format, type, pixels,
+ texObj, texImage);
+ }
+ _mesa_unlock_texture(ctx, texObj);
+}
+
+
+void GLAPIENTRY
+_mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
+{
+ const struct gl_texture_unit *texUnit;
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLint maxLevels;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ texUnit = get_current_tex_unit(ctx);
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ if (!texObj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB");
+ return;
+ }
+
+ maxLevels = _mesa_max_texture_levels(ctx, target);
+ ASSERT(maxLevels > 0); /* 0 indicates bad target, caught above */
+
+ if (level < 0 || level >= maxLevels) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)");
+ return;
+ }
+
+ if (_mesa_is_proxy_texture(target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
+ return;
+ }
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+ if (texImage) {
+ if (texImage->IsCompressed) {
+ /* this typically calls _mesa_get_compressed_teximage() */
+ ctx->Driver.GetCompressedTexImage(ctx, target, level, img,
+ texObj, texImage);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetCompressedTexImageARB");
+ }
+ }
+ else {
+ /* probably invalid mipmap level */
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetCompressedTexImageARB(level)");
+ }
+ }
+ _mesa_unlock_texture(ctx, texObj);
+}
/**
* Test if the given image format is a color index format.
*/
-static GLboolean
-is_index_format(GLenum format)
+GLboolean
+_mesa_is_index_format(GLenum format)
{
switch (format) {
case GL_COLOR_INDEX:
/**
* Test if the given image format is a depth component format.
*/
-static GLboolean
-is_depth_format(GLenum format)
+GLboolean
+_mesa_is_depth_format(GLenum format)
{
switch (format) {
case GL_DEPTH_COMPONENT16:
/**
* Test if the given image format is a YCbCr format.
*/
-static GLboolean
-is_ycbcr_format(GLenum format)
+GLboolean
+_mesa_is_ycbcr_format(GLenum format)
{
switch (format) {
case GL_YCBCR_MESA:
/**
* Test if the given image format is a Depth/Stencil format.
*/
-static GLboolean
-is_depthstencil_format(GLenum format)
+GLboolean
+_mesa_is_depthstencil_format(GLenum format)
{
switch (format) {
case GL_DEPTH24_STENCIL8_EXT:
/**
* Test if the given image format is a dudv format.
*/
-static GLboolean
-is_dudv_format(GLenum format)
+GLboolean
+_mesa_is_dudv_format(GLenum format)
{
switch (format) {
case GL_DUDV_ATI:
/* make sure internal format and format basically agree */
colorFormat = _mesa_is_color_format(format);
- indexFormat = is_index_format(format);
+ indexFormat = _mesa_is_index_format(format);
if ((_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat) ||
- (is_index_format(internalFormat) && !indexFormat) ||
- (is_depth_format(internalFormat) != is_depth_format(format)) ||
- (is_ycbcr_format(internalFormat) != is_ycbcr_format(format)) ||
- (is_depthstencil_format(internalFormat) != is_depthstencil_format(format)) ||
- (is_dudv_format(internalFormat) != is_dudv_format(format))) {
+ (_mesa_is_index_format(internalFormat) && !indexFormat) ||
+ (_mesa_is_depth_format(internalFormat) != _mesa_is_depth_format(format)) ||
+ (_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)",
return GL_TRUE;
}
}
- else if (is_depth_format(internalFormat)) {
+ else if (_mesa_is_depth_format(internalFormat)) {
/* make sure we have depth/stencil buffers */
if (!ctx->ReadBuffer->_DepthBuffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
return GL_TRUE;
}
}
- else if (is_depthstencil_format(internalFormat)) {
+ 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,
}
-/**
- * Do error checking for a glGetTexImage() call.
- * \return GL_TRUE if any error, GL_FALSE if no errors.
- */
-static GLboolean
-getteximage_error_check(GLcontext *ctx, GLenum target, GLint level,
- GLenum format, GLenum type, GLvoid *pixels )
-{
- const struct gl_texture_unit *texUnit;
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- const GLuint maxLevels = _mesa_max_texture_levels(ctx, target);
-
- ASSERT(maxLevels > 0); /* 0 indicates bad target, caught above */
-
- if (level < 0 || level >= maxLevels) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
- return GL_TRUE;
- }
-
- if (_mesa_sizeof_packed_type(type) <= 0) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
- return GL_TRUE;
- }
-
- if (_mesa_components_in_format(format) <= 0 ||
- format == GL_STENCIL_INDEX) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
- return GL_TRUE;
- }
-
- if (!ctx->Extensions.EXT_paletted_texture && is_index_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
- return GL_TRUE;
- }
-
- if (!ctx->Extensions.ARB_depth_texture && is_depth_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
- return GL_TRUE;
- }
-
- if (!ctx->Extensions.MESA_ycbcr_texture && is_ycbcr_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
- return GL_TRUE;
- }
-
- if (!ctx->Extensions.EXT_packed_depth_stencil
- && is_depthstencil_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
- return GL_TRUE;
- }
-
- if (!ctx->Extensions.ATI_envmap_bumpmap
- && is_dudv_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
- return GL_TRUE;
- }
-
- texUnit = get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
-
- if (!texObj || _mesa_is_proxy_texture(target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
- return GL_TRUE;
- }
-
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
- if (!texImage) {
- /* out of memory */
- return GL_TRUE;
- }
-
- /* Make sure the requested image format is compatible with the
- * texture's format. Note that a color index texture can be converted
- * to RGBA so that combo is allowed.
- */
- if (_mesa_is_color_format(format)
- && !_mesa_is_color_format(texImage->TexFormat->BaseFormat)
- && !is_index_format(texImage->TexFormat->BaseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
- else if (is_index_format(format)
- && !is_index_format(texImage->TexFormat->BaseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
- else if (is_depth_format(format)
- && !is_depth_format(texImage->TexFormat->BaseFormat)
- && !is_depthstencil_format(texImage->TexFormat->BaseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
- else if (is_ycbcr_format(format)
- && !is_ycbcr_format(texImage->TexFormat->BaseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
- else if (is_depthstencil_format(format)
- && !is_depthstencil_format(texImage->TexFormat->BaseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
- else if (is_dudv_format(format)
- && !is_dudv_format(texImage->TexFormat->BaseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
-
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- /* packing texture image into a PBO */
- const GLuint dimensions = (target == GL_TEXTURE_3D) ? 3 : 2;
- if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width,
- texImage->Height, texImage->Depth,
- format, type, pixels)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexImage(invalid PBO access)");
- return GL_TRUE;
- }
- }
-
- return GL_FALSE;
-}
-
-
-
-/**
- * Get texture image. Called by glGetTexImage.
- *
- * \param target texture target.
- * \param level image level.
- * \param format pixel data format for returned image.
- * \param type pixel data type for returned image.
- * \param pixels returned pixel data.
- */
-void GLAPIENTRY
-_mesa_GetTexImage( GLenum target, GLint level, GLenum format,
- GLenum type, GLvoid *pixels )
-{
- const struct gl_texture_unit *texUnit;
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (getteximage_error_check(ctx, target, level, format, type, pixels)) {
- return;
- }
-
- texUnit = get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
-
- _mesa_lock_texture(ctx, texObj);
- {
- struct gl_texture_image *texImage =
- _mesa_select_tex_image(ctx, texObj, target, level);
-
- /* typically, this will call _mesa_get_teximage() */
- ctx->Driver.GetTexImage(ctx, target, level, format, type, pixels,
- texObj, texImage);
- }
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
/** Callback info for walking over FBO hash table */
struct cb_info
{
}
-void GLAPIENTRY
-_mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
-{
- const struct gl_texture_unit *texUnit;
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- GLint maxLevels;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- texUnit = get_current_tex_unit(ctx);
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
- if (!texObj) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB");
- return;
- }
-
- maxLevels = _mesa_max_texture_levels(ctx, target);
- ASSERT(maxLevels > 0); /* 0 indicates bad target, caught above */
-
- if (level < 0 || level >= maxLevels) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetCompressedTexImageARB(level)");
- return;
- }
-
- if (_mesa_is_proxy_texture(target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
- return;
- }
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
- if (texImage) {
- if (texImage->IsCompressed) {
- /* this typically calls _mesa_get_compressed_teximage() */
- ctx->Driver.GetCompressedTexImage(ctx, target, level, img,
- texObj, texImage);
- }
- else {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetCompressedTexImageARB");
- }
- }
- else {
- /* probably invalid mipmap level */
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetCompressedTexImageARB(level)");
- }
- }
- _mesa_unlock_texture(ctx, texObj);
-}
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