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radv: stop loading invocation ID for NGG vertex shaders

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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. */