diff options
| author | Samuel Pitoiset <[email protected]> | 2018-01-05 17:18:52 +0100 |
|---|---|---|
| committer | Samuel Pitoiset <[email protected]> | 2018-01-08 21:24:53 +0100 |
| commit | b462ceb482471dd4aacdd5fa7cef9fe25f823d70 (patch) | |
| tree | 5f8fe2dea89a93201c05d191e53eea37fc73cfde | |
| parent | a3c2a86757a3ca25453b7143f1c774c5f7fe499e (diff) | |
radv/gfx9: do not load VGPR1 when GS uses points or lines
VGPR1 is only needed for topology that needs 3 offsets like
triangles or quads.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>
| -rw-r--r-- | src/amd/vulkan/radv_shader.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c index 971d3abac91..5d777a05e58 100644 --- a/src/amd/vulkan/radv_shader.c +++ b/src/amd/vulkan/radv_shader.c @@ -424,8 +424,10 @@ radv_fill_shader_variant(struct radv_device *device, gs_vgpr_comp_cnt = 3; /* VGPR3 contains InvocationID. */ else if (info->uses_prim_id) gs_vgpr_comp_cnt = 2; /* VGPR2 contains PrimitiveID. */ + else if (variant->info.gs.vertices_in >= 3) + gs_vgpr_comp_cnt = 1; /* VGPR1 contains offsets 2, 3 */ else - gs_vgpr_comp_cnt = 1; /* TODO: use input_prim */ + gs_vgpr_comp_cnt = 0; /* VGPR0 contains offsets 0, 1 */ /* TODO: Figure out how many we actually need. */ variant->rsrc1 |= S_00B228_GS_VGPR_COMP_CNT(gs_vgpr_comp_cnt); |