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-rw-r--r--src/mesa/state_tracker/st_format.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index 1e51300bb6..0c3e16631a 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -524,18 +524,34 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
case GL_RGB_S3TC:
case GL_RGB4_S3TC:
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_RGB;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGB,
+ target, tex_usage, geom_flags))
+ return PIPE_FORMAT_DXT1_RGB;
+ else
+ return PIPE_FORMAT_NONE;
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- return PIPE_FORMAT_DXT1_RGBA;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT1_RGBA,
+ target, tex_usage, geom_flags))
+ return PIPE_FORMAT_DXT1_RGBA;
+ else
+ return PIPE_FORMAT_NONE;
case GL_RGBA_S3TC:
case GL_RGBA4_S3TC:
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- return PIPE_FORMAT_DXT3_RGBA;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT3_RGBA,
+ target, tex_usage, geom_flags))
+ return PIPE_FORMAT_DXT3_RGBA;
+ else
+ return PIPE_FORMAT_NONE;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- return PIPE_FORMAT_DXT5_RGBA;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_DXT5_RGBA,
+ target, tex_usage, geom_flags))
+ return PIPE_FORMAT_DXT5_RGBA;
+ else
+ return PIPE_FORMAT_NONE;
#if 0
case GL_COMPRESSED_RGB_FXT1_3DFX: