From 3f9e78ac390a095d42f94b8edc02016f18b255dd Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Tue, 21 Dec 2010 06:41:59 +0100 Subject: [PATCH] st/mesa: use DXT SRGB formats for COMPRESSED_SRGB And also check if the formats are supported to return something meaningful if compression cannot be used. --- src/mesa/state_tracker/st_format.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c index 955d821a657..531fa948d50 100644 --- a/src/mesa/state_tracker/st_format.c +++ b/src/mesa/state_tracker/st_format.c @@ -717,18 +717,30 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat, case GL_SRGB_EXT: case GL_SRGB8_EXT: - case GL_COMPRESSED_SRGB_EXT: - case GL_COMPRESSED_SRGB_ALPHA_EXT: case GL_SRGB_ALPHA_EXT: case GL_SRGB8_ALPHA8_EXT: return default_srgba_format( screen, target, sample_count, bindings, geom_flags ); + + case GL_COMPRESSED_SRGB_EXT: case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: - return PIPE_FORMAT_DXT1_SRGB; + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_SRGB, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_DXT1_SRGB; + return default_srgba_format( screen, target, sample_count, bindings, + geom_flags ); + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: return PIPE_FORMAT_DXT1_SRGBA; + + case GL_COMPRESSED_SRGB_ALPHA_EXT: case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: - return PIPE_FORMAT_DXT3_SRGBA; + if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_SRGBA, target, + sample_count, bindings, geom_flags)) + return PIPE_FORMAT_DXT3_SRGBA; + return default_srgba_format( screen, target, sample_count, bindings, + geom_flags ); + case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: return PIPE_FORMAT_DXT5_SRGBA; -- 2.30.2