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authorMarek Olšák <[email protected]>2011-03-01 21:15:38 +0100
committerMarek Olšák <[email protected]>2011-03-02 03:46:27 +0100
commitc37e283423a33ce870e865e9adeca7f4eddf4b5b (patch)
tree93e6c8bf264a4c2c807037b51503eac1f1ce23b2 /src
parente118fdc9e256a2ebc18c29672d99103e135eab44 (diff)
st/mesa: use RGTC for GL_COMPRESSED_RED/RG if possible
With proper fallback formats.
Diffstat (limited to 'src')
-rw-r--r--src/mesa/state_tracker/st_format.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index c58ec9267dc..22a1450cfe7 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -674,8 +674,6 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
}
return PIPE_FORMAT_NONE;
- case GL_COMPRESSED_RED:
- case GL_COMPRESSED_RG:
case GL_COMPRESSED_RGB:
/* can only sample from compressed formats */
if (bindings & ~PIPE_BIND_SAMPLER_VIEW)
@@ -871,10 +869,14 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
return PIPE_FORMAT_R16G16_UNORM;
return PIPE_FORMAT_NONE;
+ case GL_COMPRESSED_RED:
case GL_COMPRESSED_RED_RGTC1:
if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC1_UNORM, target,
sample_count, bindings, geom_flags))
return PIPE_FORMAT_RGTC1_UNORM;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_R8_UNORM;
return PIPE_FORMAT_NONE;
case GL_COMPRESSED_SIGNED_RED_RGTC1:
@@ -883,10 +885,14 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
return PIPE_FORMAT_RGTC1_SNORM;
return PIPE_FORMAT_NONE;
+ case GL_COMPRESSED_RG:
case GL_COMPRESSED_RG_RGTC2:
if (screen->is_format_supported(screen, PIPE_FORMAT_RGTC2_UNORM, target,
sample_count, bindings, geom_flags))
return PIPE_FORMAT_RGTC2_UNORM;
+ if (screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM, target,
+ sample_count, bindings, geom_flags))
+ return PIPE_FORMAT_R8G8_UNORM;
return PIPE_FORMAT_NONE;
case GL_COMPRESSED_SIGNED_RG_RGTC2: