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| author | Kenneth Graunke <kenneth@whitecape.org> | 2016-03-28 20:07:13 -0700 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2016-03-29 15:43:18 -0700 |
| commit | d4a5a61d445e683c20de00c1febe847b4c2db910 (patch) | |
| tree | b93b9460f7ffbc3431a6926547530fa498159d16 /src/mesa/drivers/dri/i965/brw_sampler_state.c | |
| parent | f8c69fbb5491c8790dd3bcf991f06151d15d92b9 (diff) | |
| download | external_mesa3d-d4a5a61d445e683c20de00c1febe847b4c2db910.zip external_mesa3d-d4a5a61d445e683c20de00c1febe847b4c2db910.tar.gz external_mesa3d-d4a5a61d445e683c20de00c1febe847b4c2db910.tar.bz2 | |
i965: Don't use CUBE wrap modes for integer formats on IVB/BYT.
There is no linear filtering for integer formats, so we should always
be using CLAMP_TO_EDGE mode.
Fixes 46 dEQP cases on Ivybridge (which were likely broken by commit
0faf26e6a0a34c3544644852802484f2404cc83e).
This workaround doesn't appear to be necessary on any other hardware;
I haven't found any documentation mentioning errata in this area.
v2: Only apply on Ivybridge/Baytrail to avoid regressing GLES3.1 tests.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> [v1]
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_sampler_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_sampler_state.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_sampler_state.c b/src/mesa/drivers/dri/i965/brw_sampler_state.c index 3bd22c7..1dc7d71 100644 --- a/src/mesa/drivers/dri/i965/brw_sampler_state.c +++ b/src/mesa/drivers/dri/i965/brw_sampler_state.c @@ -459,8 +459,12 @@ brw_update_sampler_state(struct brw_context *brw, target == GL_TEXTURE_CUBE_MAP_ARRAY) { /* Cube maps must use the same wrap mode for all three coordinate * dimensions. Prior to Haswell, only CUBE and CLAMP are valid. + * + * Ivybridge and Baytrail seem to have problems with CUBE mode and + * integer formats. Fall back to CLAMP for now. */ - if (tex_cube_map_seamless || sampler->CubeMapSeamless) { + if ((tex_cube_map_seamless || sampler->CubeMapSeamless) && + !(brw->gen == 7 && !brw->is_haswell && is_integer_format)) { wrap_s = BRW_TEXCOORDMODE_CUBE; wrap_t = BRW_TEXCOORDMODE_CUBE; wrap_r = BRW_TEXCOORDMODE_CUBE; |