diff options
Diffstat (limited to 'src/mesa/drivers/dri/r200')
| -rw-r--r-- | src/mesa/drivers/dri/r200/r200_tex.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_tex.c b/src/mesa/drivers/dri/r200/r200_tex.c index 2cfbf3510b..6c6450c681 100644 --- a/src/mesa/drivers/dri/r200/r200_tex.c +++ b/src/mesa/drivers/dri/r200/r200_tex.c @@ -405,7 +405,9 @@ r200ChooseTextureFormat( GLcontext *ctx, GLint internalFormat, case GL_ALPHA12: case GL_ALPHA16: case GL_COMPRESSED_ALPHA: - return _dri_texformat_a8; + /* can't use a8 format since interpreting hw I8 as a8 would result + in wrong rgb values (same as alpha value instead of 0). */ + return _dri_texformat_al88; case 1: case GL_LUMINANCE: |