diff options
| -rw-r--r-- | src/mesa/main/teximage.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index d0e31ac0a28..9aaa63f136f 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -315,15 +315,17 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat ) case GL_SRGB_EXT: case GL_SRGB8_EXT: case GL_COMPRESSED_SRGB_EXT: - case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: return GL_RGB; + case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: + return ctx->Extensions.EXT_texture_compression_s3tc ? GL_RGB : -1; case GL_SRGB_ALPHA_EXT: case GL_SRGB8_ALPHA8_EXT: case GL_COMPRESSED_SRGB_ALPHA_EXT: + return GL_RGBA; case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: - return GL_RGBA; + return ctx->Extensions.EXT_texture_compression_s3tc ? GL_RGBA : -1; case GL_SLUMINANCE_ALPHA_EXT: case GL_SLUMINANCE8_ALPHA8_EXT: case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT: |