diff options
Diffstat (limited to 'src/mesa/main/texcompress.c')
-rw-r--r-- | src/mesa/main/texcompress.c | 61 |
1 files changed, 18 insertions, 43 deletions
diff --git a/src/mesa/main/texcompress.c b/src/mesa/main/texcompress.c index ad10993307e..423ad2490c0 100644 --- a/src/mesa/main/texcompress.c +++ b/src/mesa/main/texcompress.c @@ -114,67 +114,42 @@ _mesa_get_compressed_formats(GLcontext *ctx, GLint *formats, GLboolean all) /** - * As above, but format is specified by a GLenum (GL_COMPRESSED_*) token. - * - * Note: This function CAN NOT return a padded hardware texture size. - * That's why we don't call the ctx->Driver.CompressedTextureSize() function. - * - * We use this function to validate the <imageSize> parameter - * of glCompressedTex[Sub]Image1/2/3D(), which must be an exact match. + * Convert a compressed MESA_FORMAT_x to a GLenum. */ -GLuint -_mesa_compressed_texture_size_glenum(GLcontext *ctx, - GLsizei width, GLsizei height, - GLsizei depth, GLenum glformat) +gl_format +_mesa_glenum_to_compressed_format(GLenum format) { - gl_format mesaFormat; - - switch (glformat) { -#if FEATURE_texture_fxt1 + switch (format) { case GL_COMPRESSED_RGB_FXT1_3DFX: - mesaFormat = MESA_FORMAT_RGB_FXT1; - break; + return MESA_FORMAT_RGB_FXT1; case GL_COMPRESSED_RGBA_FXT1_3DFX: - mesaFormat = MESA_FORMAT_RGBA_FXT1; - break; -#endif -#if FEATURE_texture_s3tc + return MESA_FORMAT_RGBA_FXT1; + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_RGB_S3TC: - mesaFormat = MESA_FORMAT_RGB_DXT1; - break; + return MESA_FORMAT_RGB_DXT1; case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: case GL_RGB4_S3TC: - mesaFormat = MESA_FORMAT_RGBA_DXT1; - break; + return MESA_FORMAT_RGBA_DXT1; case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: case GL_RGBA_S3TC: - mesaFormat = MESA_FORMAT_RGBA_DXT3; - break; + return MESA_FORMAT_RGBA_DXT3; case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: case GL_RGBA4_S3TC: - mesaFormat = MESA_FORMAT_RGBA_DXT5; - break; -#if FEATURE_EXT_texture_sRGB + return MESA_FORMAT_RGBA_DXT5; + case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: - mesaFormat = MESA_FORMAT_SRGB_DXT1; - break; + return MESA_FORMAT_SRGB_DXT1; case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: - mesaFormat = MESA_FORMAT_SRGBA_DXT1; - break; + return MESA_FORMAT_SRGBA_DXT1; case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: - mesaFormat = MESA_FORMAT_SRGBA_DXT3; - break; + return MESA_FORMAT_SRGBA_DXT3; case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: - mesaFormat = MESA_FORMAT_SRGBA_DXT5; - break; -#endif -#endif + return MESA_FORMAT_SRGBA_DXT5; + default: - return 0; + return MESA_FORMAT_NONE; } - - return _mesa_format_image_size(mesaFormat, width, height, depth); } |