For formats such as GL_COMPRESSED_SRGB_S3TC_DXT1_EXT we need to have both the GL_EXT_texture_sRGB and GL_EXT_texture_compression_s3tc extensions. This patch adds the missing check for the later.
Found when checking out https://bugs.freedesktop.org/show_bug.cgi?id=65173 NOTE: This is a candidate for the stable branches. --- src/mesa/main/teximage.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index d0e31ac..9aaa63f 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: -- 1.7.10.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
