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amd/common: add ac_vgt_gs_mode() helper

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2017-12-15 15:37:19 +01:00
parent 55f8431c76
commit 79b34d0832
4 changed files with 42 additions and 55 deletions
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32
src/amd/vulkan/radv_pipeline.c
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@@ -1465,30 +1465,6 @@ static const struct radv_prim_vertex_count prim_size_table[] = {
[V_008958_DI_PT_2D_TRI_STRIP] = {0, 0},
};
static uint32_t si_vgt_gs_mode(struct radv_shader_variant *gs,
enum chip_class chip_class)
{
unsigned gs_max_vert_out = gs->info.gs.vertices_out;
unsigned cut_mode;
if (gs_max_vert_out <= 128) {
cut_mode = V_028A40_GS_CUT_128;
} else if (gs_max_vert_out <= 256) {
cut_mode = V_028A40_GS_CUT_256;
} else if (gs_max_vert_out <= 512) {
cut_mode = V_028A40_GS_CUT_512;
} else {
assert(gs_max_vert_out <= 1024);
cut_mode = V_028A40_GS_CUT_1024;
}
return S_028A40_MODE(V_028A40_GS_SCENARIO_G) |
S_028A40_CUT_MODE(cut_mode)|
S_028A40_ES_WRITE_OPTIMIZE(chip_class <= VI) |
S_028A40_GS_WRITE_OPTIMIZE(1) |
S_028A40_ONCHIP(chip_class >= GFX9 ? 1 : 0);
}
static struct ac_vs_output_info *get_vs_output_info(struct radv_pipeline *pipeline)
{
if (radv_pipeline_has_gs(pipeline))
@@ -1507,8 +1483,12 @@ static void calculate_vgt_gs_mode(struct radv_pipeline *pipeline)
pipeline->graphics.vgt_gs_mode = 0;
if (radv_pipeline_has_gs(pipeline)) {
pipeline->graphics.vgt_gs_mode = si_vgt_gs_mode(pipeline->shaders[MESA_SHADER_GEOMETRY],
pipeline->device->physical_device->rad_info.chip_class);
struct radv_shader_variant *gs =
pipeline->shaders[MESA_SHADER_GEOMETRY];
pipeline->graphics.vgt_gs_mode =
ac_vgt_gs_mode(gs->info.gs.vertices_out,
pipeline->device->physical_device->rad_info.chip_class);
} else if (outinfo->export_prim_id) {
pipeline->graphics.vgt_gs_mode = S_028A40_MODE(V_028A40_GS_SCENARIO_A);
pipeline->graphics.vgt_primitiveid_en = true;