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| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2014-07-04 23:01:39 -0400 |
|---|---|---|
| committer | Ilia Mirkin <imirkin@alum.mit.edu> | 2014-07-09 19:26:32 -0400 |
| commit | 6b92a06ea32492d2ff968038672d104b711b66f0 (patch) | |
| tree | ef5a3bf1aef9374970b2c33f964f00f91140b0d1 /src/mesa/state_tracker/st_program.c | |
| parent | 4c97ed4411e3653a082875b79587fb308c284a99 (diff) | |
| download | external_mesa3d-6b92a06ea32492d2ff968038672d104b711b66f0.zip external_mesa3d-6b92a06ea32492d2ff968038672d104b711b66f0.tar.gz external_mesa3d-6b92a06ea32492d2ff968038672d104b711b66f0.tar.bz2 | |
mesa/st: add per sample shading state to fp key and set interpolation
This enables a gallium driver not to care about the semantics of
ARB_sample_shading vs ARB_gpu_shader5 sample attributes. When
ARB_sample_shading-style sample shading is enabled, all of the fp inputs
are marked for interpolation at the sample location.
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Diffstat (limited to 'src/mesa/state_tracker/st_program.c')
| -rw-r--r-- | src/mesa/state_tracker/st_program.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index b603759..9d7b7c4 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -548,6 +548,9 @@ st_translate_fragment_program(struct st_context *st, else interpLocation[slot] = TGSI_INTERPOLATE_LOC_CENTER; + if (key->persample_shading) + interpLocation[slot] = TGSI_INTERPOLATE_LOC_SAMPLE; + switch (attr) { case VARYING_SLOT_POS: input_semantic_name[slot] = TGSI_SEMANTIC_POSITION; |