diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/main/teximage.c | 402 |
1 files changed, 198 insertions, 204 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index a5295eeac04..0cd0b328c8b 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1634,6 +1634,29 @@ _mesa_es_error_check_format_and_type(GLenum format, GLenum type, /** + * Return expected size of a compressed texture. + */ +static GLuint +compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth, + GLenum glformat) +{ + gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat); + return _mesa_format_image_size(mesaFormat, width, height, depth); +} + + +/* + * Return compressed texture block size, in pixels. + */ +static void +get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh) +{ + gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat); + _mesa_get_format_block_size(mesaFormat, bw, bh); +} + + +/** * Special value returned by error some texture error checking functions when * an error is detected and the proxy texture image's width/height/depth/format * fields should be zeroed-out. @@ -1889,12 +1912,186 @@ texture_error_check( struct gl_context *ctx, } +/** + * Error checking for glCompressedTexImage[123]D(). + * \param reason returns reason for error, if any + * \return error code or GL_NO_ERROR or PROXY_ERROR. + */ static GLenum compressed_texture_error_check(struct gl_context *ctx, GLint dimensions, GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, - GLsizei imageSize); + GLsizei imageSize) +{ + const GLenum proxyTarget = get_proxy_target(target); + const GLint maxLevels = _mesa_max_texture_levels(ctx, target); + GLint expectedSize; + GLenum choose_format; + GLenum choose_type; + GLenum proxy_format; + GLenum error = GL_NO_ERROR; + char *reason = ""; /* no error */ + + if (!target_can_be_compressed(ctx, target, internalFormat)) { + reason = "target"; + error = GL_INVALID_ENUM; + goto error; + } + + /* This will detect any invalid internalFormat value */ + if (!_mesa_is_compressed_format(ctx, internalFormat)) { + reason = "internalFormat"; + error = GL_INVALID_ENUM; + goto error; + } + + switch (internalFormat) { +#if FEATURE_ES + case GL_PALETTE4_RGB8_OES: + case GL_PALETTE4_RGBA8_OES: + case GL_PALETTE4_R5_G6_B5_OES: + case GL_PALETTE4_RGBA4_OES: + case GL_PALETTE4_RGB5_A1_OES: + case GL_PALETTE8_RGB8_OES: + case GL_PALETTE8_RGBA8_OES: + case GL_PALETTE8_R5_G6_B5_OES: + case GL_PALETTE8_RGBA4_OES: + case GL_PALETTE8_RGB5_A1_OES: + _mesa_cpal_compressed_format_type(internalFormat, &choose_format, + &choose_type); + proxy_format = choose_format; + + /* check level (note that level should be zero or less!) */ + if (level > 0 || level < -maxLevels) { + reason = "level"; + error = GL_INVALID_VALUE; + goto error; + } + + if (dimensions != 2) { + reason = "compressed paletted textures must be 2D"; + error = GL_INVALID_OPERATION; + goto error; + } + + /* Figure out the expected texture size (in bytes). This will be + * checked against the actual size later. + */ + expectedSize = _mesa_cpal_compressed_size(level, internalFormat, + width, height); + + /* This is for the benefit of the TestProxyTexImage below. It expects + * level to be non-negative. OES_compressed_paletted_texture uses a + * weird mechanism where the level specified to glCompressedTexImage2D + * is -(n-1) number of levels in the texture, and the data specifies the + * complete mipmap stack. This is done to ensure the palette is the + * same for all levels. + */ + level = -level; + break; +#endif + + default: + choose_format = GL_NONE; + choose_type = GL_NONE; + proxy_format = internalFormat; + + /* check level */ + if (level < 0 || level >= maxLevels) { + reason = "level"; + error = GL_INVALID_VALUE; + goto error; + } + + /* Figure out the expected texture size (in bytes). This will be + * checked against the actual size later. + */ + expectedSize = compressed_tex_size(width, height, depth, internalFormat); + break; + } + + /* This should really never fail */ + if (_mesa_base_tex_format(ctx, internalFormat) < 0) { + reason = "internalFormat"; + error = GL_INVALID_ENUM; + goto error; + } + + /* No compressed formats support borders at this time */ + if (border != 0) { + reason = "border != 0"; + error = GL_INVALID_VALUE; + goto error; + } + + /* For cube map, width must equal height */ + if (_mesa_is_cube_face(target) && width != height) { + reason = "width != height"; + error = GL_INVALID_VALUE; + goto error; + } + + /* check image size against compression block size */ + { + gl_format texFormat = + ctx->Driver.ChooseTextureFormat(ctx, proxy_format, + choose_format, choose_type); + GLuint bw, bh; + + _mesa_get_format_block_size(texFormat, &bw, &bh); + if ((width > bw && width % bw > 0) || + (height > bh && height % bh > 0)) { + /* + * Per GL_ARB_texture_compression: GL_INVALID_OPERATION is + * generated [...] if any parameter combinations are not + * supported by the specific compressed internal format. + */ + reason = "invalid width or height for compression format"; + error = GL_INVALID_OPERATION; + goto error; + } + } + + /* check image sizes */ + if (!ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level, + proxy_format, choose_format, + choose_type, + width, height, depth, border)) { + /* See error comment above */ + if (target == proxyTarget) { + return PROXY_ERROR; + } + reason = "invalid width, height or format"; + error = GL_INVALID_OPERATION; + goto error; + } + + /* check image size in bytes */ + if (expectedSize != imageSize) { + /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...] + * if <imageSize> is not consistent with the format, dimensions, and + * contents of the specified image. + */ + reason = "imageSize inconsistant with width/height/format"; + error = GL_INVALID_VALUE; + goto error; + } + + if (!mutable_tex_object(ctx, target)) { + reason = "immutable texture"; + error = GL_INVALID_OPERATION; + goto error; + } + + return GL_NO_ERROR; + +error: + _mesa_error(ctx, error, "glCompressedTexImage%dD(%s)", dimensions, reason); + return error; +} + + /** * Test glTexSubImage[123]D() parameters for errors. @@ -3326,209 +3523,6 @@ _mesa_CopyTexSubImage3D( GLenum target, GLint level, /** - * Return expected size of a compressed texture. - */ -static GLuint -compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth, - GLenum glformat) -{ - gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat); - return _mesa_format_image_size(mesaFormat, width, height, depth); -} - - -/* - * Return compressed texture block size, in pixels. - */ -static void -get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh) -{ - gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat); - _mesa_get_format_block_size(mesaFormat, bw, bh); -} - - -/** - * Error checking for glCompressedTexImage[123]D(). - * \param reason returns reason for error, if any - * \return error code or GL_NO_ERROR or PROXY_ERROR. - */ -static GLenum -compressed_texture_error_check(struct gl_context *ctx, GLint dimensions, - GLenum target, GLint level, - GLenum internalFormat, GLsizei width, - GLsizei height, GLsizei depth, GLint border, - GLsizei imageSize) -{ - const GLenum proxyTarget = get_proxy_target(target); - const GLint maxLevels = _mesa_max_texture_levels(ctx, target); - GLint expectedSize; - GLenum choose_format; - GLenum choose_type; - GLenum proxy_format; - GLenum error = GL_NO_ERROR; - char *reason = ""; /* no error */ - - if (!target_can_be_compressed(ctx, target, internalFormat)) { - reason = "target"; - error = GL_INVALID_ENUM; - goto error; - } - - /* This will detect any invalid internalFormat value */ - if (!_mesa_is_compressed_format(ctx, internalFormat)) { - reason = "internalFormat"; - error = GL_INVALID_ENUM; - goto error; - } - - switch (internalFormat) { -#if FEATURE_ES - case GL_PALETTE4_RGB8_OES: - case GL_PALETTE4_RGBA8_OES: - case GL_PALETTE4_R5_G6_B5_OES: - case GL_PALETTE4_RGBA4_OES: - case GL_PALETTE4_RGB5_A1_OES: - case GL_PALETTE8_RGB8_OES: - case GL_PALETTE8_RGBA8_OES: - case GL_PALETTE8_R5_G6_B5_OES: - case GL_PALETTE8_RGBA4_OES: - case GL_PALETTE8_RGB5_A1_OES: - _mesa_cpal_compressed_format_type(internalFormat, &choose_format, - &choose_type); - proxy_format = choose_format; - - /* check level (note that level should be zero or less!) */ - if (level > 0 || level < -maxLevels) { - reason = "level"; - error = GL_INVALID_VALUE; - goto error; - } - - if (dimensions != 2) { - reason = "compressed paletted textures must be 2D"; - error = GL_INVALID_OPERATION; - goto error; - } - - /* Figure out the expected texture size (in bytes). This will be - * checked against the actual size later. - */ - expectedSize = _mesa_cpal_compressed_size(level, internalFormat, - width, height); - - /* This is for the benefit of the TestProxyTexImage below. It expects - * level to be non-negative. OES_compressed_paletted_texture uses a - * weird mechanism where the level specified to glCompressedTexImage2D - * is -(n-1) number of levels in the texture, and the data specifies the - * complete mipmap stack. This is done to ensure the palette is the - * same for all levels. - */ - level = -level; - break; -#endif - - default: - choose_format = GL_NONE; - choose_type = GL_NONE; - proxy_format = internalFormat; - - /* check level */ - if (level < 0 || level >= maxLevels) { - reason = "level"; - error = GL_INVALID_VALUE; - goto error; - } - - /* Figure out the expected texture size (in bytes). This will be - * checked against the actual size later. - */ - expectedSize = compressed_tex_size(width, height, depth, internalFormat); - break; - } - - /* This should really never fail */ - if (_mesa_base_tex_format(ctx, internalFormat) < 0) { - reason = "internalFormat"; - error = GL_INVALID_ENUM; - goto error; - } - - /* No compressed formats support borders at this time */ - if (border != 0) { - reason = "border != 0"; - error = GL_INVALID_VALUE; - goto error; - } - - /* For cube map, width must equal height */ - if (_mesa_is_cube_face(target) && width != height) { - reason = "width != height"; - error = GL_INVALID_VALUE; - goto error; - } - - /* check image size against compression block size */ - { - gl_format texFormat = - ctx->Driver.ChooseTextureFormat(ctx, proxy_format, - choose_format, choose_type); - GLuint bw, bh; - - _mesa_get_format_block_size(texFormat, &bw, &bh); - if ((width > bw && width % bw > 0) || - (height > bh && height % bh > 0)) { - /* - * Per GL_ARB_texture_compression: GL_INVALID_OPERATION is - * generated [...] if any parameter combinations are not - * supported by the specific compressed internal format. - */ - reason = "invalid width or height for compression format"; - error = GL_INVALID_OPERATION; - goto error; - } - } - - /* check image sizes */ - if (!ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level, - proxy_format, choose_format, - choose_type, - width, height, depth, border)) { - /* See error comment above */ - if (target == proxyTarget) { - return PROXY_ERROR; - } - reason = "invalid width, height or format"; - error = GL_INVALID_OPERATION; - goto error; - } - - /* check image size in bytes */ - if (expectedSize != imageSize) { - /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...] - * if <imageSize> is not consistent with the format, dimensions, and - * contents of the specified image. - */ - reason = "imageSize inconsistant with width/height/format"; - error = GL_INVALID_VALUE; - goto error; - } - - if (!mutable_tex_object(ctx, target)) { - reason = "immutable texture"; - error = GL_INVALID_OPERATION; - goto error; - } - - return GL_NO_ERROR; - -error: - _mesa_error(ctx, error, "glCompressedTexImage%dD(%s)", dimensions, reason); - return error; -} - - -/** * Error checking for glCompressedTexSubImage[123]D(). * \warning There are some bad assumptions here about the size of compressed * texture tiles (multiple of 4) used to test the validity of the |