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radv: Don't use FLAT_SHADE for constants.

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Setting both offset to 0x20 and flat shade results in passthrough
mode instead of the constant.

Signed-off-by: Bas Nieuwenhuizen <basni@google.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Fixes: f205e19e4f "radv/ac: eliminate unused vertex shader outputs. (v2)"
This commit is contained in:
Bas Nieuwenhuizen
2017-05-03 19:52:12 +02:00
committed by Dave Airlie
parent 91ab1ccbfe
commit 33ad6226a0
1 changed files with 4 additions and 4 deletions
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8
src/amd/vulkan/radv_pipeline.c
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@@ -1886,9 +1886,11 @@ static void calculate_pa_cl_vs_out_cntl(struct radv_pipeline *pipeline)
static uint32_t offset_to_ps_input(uint32_t offset, bool flat_shade)
{
uint32_t ps_input_cntl;
if (offset <= AC_EXP_PARAM_OFFSET_31)
if (offset <= AC_EXP_PARAM_OFFSET_31) {
ps_input_cntl = S_028644_OFFSET(offset);
else {
if (flat_shade)
ps_input_cntl |= S_028644_FLAT_SHADE(1);
} else {
/* The input is a DEFAULT_VAL constant. */
assert(offset >= AC_EXP_PARAM_DEFAULT_VAL_0000 &&
offset <= AC_EXP_PARAM_DEFAULT_VAL_1111);
@@ -1896,8 +1898,6 @@ static uint32_t offset_to_ps_input(uint32_t offset, bool flat_shade)
ps_input_cntl = S_028644_OFFSET(0x20) |
S_028644_DEFAULT_VAL(offset);
}
if (flat_shade)
ps_input_cntl |= S_028644_FLAT_SHADE(1);
return ps_input_cntl;
}