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radv: stop loading invocation ID for NGG vertex shaders 

This is unnecessary and was copied from RadeonSI which needs it for
edge flags. RADV should never to read the invocation ID for VS.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12997>
This commit is contained in:
Samuel Pitoiset 2021-09-23 12:40:57 +02:00 committed by Marge Bot
parent babc0b0748
commit 7ad69e2f7e
1 changed files with 1 additions and 1 deletions
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2
src/amd/vulkan/radv_shader.c
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@ -1294,7 +1294,7 @@ radv_postprocess_config(const struct radv_device *device, const struct ac_shader
bool tes_triangles =
stage == MESA_SHADER_TESS_EVAL && info->tes.primitive_mode >= 4; /* GL_TRIANGLES */
if (info->uses_invocation_id || stage == MESA_SHADER_VERTEX) {
if (info->uses_invocation_id) {
gs_vgpr_comp_cnt = 3; /* VGPR3 contains InvocationID. */
} else if (info->uses_prim_id) {
gs_vgpr_comp_cnt = 2; /* VGPR2 contains PrimitiveID. */