diff options
| author | Rob Clark <[email protected]> | 2017-01-31 08:31:37 -0500 |
|---|---|---|
| committer | Rob Clark <[email protected]> | 2017-03-13 10:33:07 -0400 |
| commit | f805593b129729e516dea30245612b6a49b8505a (patch) | |
| tree | 2ce0db1f2eceb7e002293bb9dd45de68e119f9ec | |
| parent | b1df639db662d7b1484a3d729575ecde5a92933e (diff) | |
freedreno/ir3: fragz cannot be half precision
Signed-off-by: Rob Clark <[email protected]>
| -rw-r--r-- | src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c index 77d86855ddb..bb3f66c2300 100644 --- a/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c +++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c @@ -2428,8 +2428,14 @@ ir3_compile_shader_nir(struct ir3_compiler *compiler, if (so->key.half_precision) { for (i = 0; i < ir->noutputs; i++) { struct ir3_instruction *out = ir->outputs[i]; + if (!out) continue; + + /* if frag shader writes z, that needs to be full precision: */ + if (so->outputs[i/4].slot == FRAG_RESULT_DEPTH) + continue; + out->regs[0]->flags |= IR3_REG_HALF; /* output could be a fanout (ie. texture fetch output) * in which case we need to propagate the half-reg flag |