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radv: handle prim id inputs to fragment shader.

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Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-01-20 12:40:13 +10:00
parent 105ce24d46
commit 77ec78669a
1 changed files with 15 additions and 1 deletions
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16
src/amd/vulkan/radv_cmd_buffer.c
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@ -703,7 +703,17 @@ radv_emit_fragment_shader(struct radv_cmd_buffer *cmd_buffer,
unsigned val;
val = S_028644_PT_SPRITE_TEX(1) | S_028644_OFFSET(0x20);
radeon_set_context_reg(cmd_buffer->cs, R_028644_SPI_PS_INPUT_CNTL_0 + 4 * ps_offset, val);
ps_offset = 1;
ps_offset++;
}
if (ps->info.fs.prim_id_input && (vs->info.vs.prim_id_output != 0xffffffff)) {
unsigned vs_offset, flat_shade;
unsigned val;
vs_offset = vs->info.vs.prim_id_output;
flat_shade = true;
val = S_028644_OFFSET(vs_offset) | S_028644_FLAT_SHADE(flat_shade);
radeon_set_context_reg(cmd_buffer->cs, R_028644_SPI_PS_INPUT_CNTL_0 + 4 * ps_offset, val);
++ps_offset;
}
for (unsigned i = 0; i < 32 && (1u << i) <= ps->info.fs.input_mask; ++i) {
@ -722,6 +732,10 @@ radv_emit_fragment_shader(struct radv_cmd_buffer *cmd_buffer,
}
vs_offset = util_bitcount(vs->info.vs.export_mask & ((1u << i) - 1));
if (vs->info.vs.prim_id_output != 0xffffffff) {
if (vs_offset >= vs->info.vs.prim_id_output)
vs_offset++;
}
flat_shade = !!(ps->info.fs.flat_shaded_mask & (1u << ps_offset));
val = S_028644_OFFSET(vs_offset) | S_028644_FLAT_SHADE(flat_shade);