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radv: set ROTATE_PC_PTR for custom interpolations

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This seems needed for computing stable barycentric coordinates.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16742>
This commit is contained in:
Samuel Pitoiset
2023-05-31 09:44:38 +02:00
committed by Marge Bot
parent 50888ba390
commit b9b3560039
1 changed files with 7 additions and 6 deletions
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13
src/amd/vulkan/radv_pipeline_graphics.c
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@@ -3350,19 +3350,19 @@ radv_emit_mesh_shader(const struct radv_device *device, struct radeon_cmdbuf *ct
}
static uint32_t
offset_to_ps_input(uint32_t offset, bool flat_shade, bool explicit, bool float16,
offset_to_ps_input(uint32_t offset, bool flat_shade, bool explicit, bool per_vertex, bool float16,
bool per_prim_gfx11)
{
uint32_t ps_input_cntl;
if (offset <= AC_EXP_PARAM_OFFSET_31) {
ps_input_cntl = S_028644_OFFSET(offset) | S_028644_PRIM_ATTR(per_prim_gfx11);
if (flat_shade || explicit)
if (flat_shade || explicit || per_vertex)
ps_input_cntl |= S_028644_FLAT_SHADE(1);
if (explicit) {
if (explicit || per_vertex) {
/* Force parameter cache to be read in passthrough
* mode.
*/
ps_input_cntl |= S_028644_OFFSET(1 << 5);
ps_input_cntl |= S_028644_OFFSET(1 << 5) | S_028644_ROTATE_PC_PTR(per_vertex);
}
if (float16) {
ps_input_cntl |= S_028644_FP16_INTERP_MODE(1) | S_028644_ATTR0_VALID(1);
@@ -3393,7 +3393,7 @@ single_slot_to_ps_input(const struct radv_vs_output_info *outinfo, unsigned slot
}
ps_input_cntl[*ps_offset] =
offset_to_ps_input(vs_offset, flat_shade, false, false, per_prim_gfx11);
offset_to_ps_input(vs_offset, flat_shade, false, false, false, per_prim_gfx11);
++(*ps_offset);
}
@@ -3412,10 +3412,11 @@ input_mask_to_ps_inputs(const struct radv_vs_output_info *outinfo, const struct
bool flat_shade = !!(ps->info.ps.flat_shaded_mask & (1u << *ps_offset));
bool explicit = !!(ps->info.ps.explicit_shaded_mask & (1u << *ps_offset));
bool per_vertex = !!(ps->info.ps.per_vertex_shaded_mask & (1u << *ps_offset));
bool float16 = !!(ps->info.ps.float16_shaded_mask & (1u << *ps_offset));
ps_input_cntl[*ps_offset] =
offset_to_ps_input(vs_offset, flat_shade, explicit, float16, per_prim_gfx11);
offset_to_ps_input(vs_offset, flat_shade, explicit, per_vertex, float16, per_prim_gfx11);
++(*ps_offset);
}
}