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authorBas Nieuwenhuizen <[email protected]>2017-10-20 01:06:50 +0200
committerDave Airlie <[email protected]>2017-10-20 06:23:14 +0100
commit3e7733303041b6ea18fcb3493796fd5703b38411 (patch)
tree3b48c62eec44cbb6bfb1f7c4de9a8177f6269c5f /src
parentf82797b56d9646798c3f02eca2878b6702cbe700 (diff)
ac/nir: Add merged GS function.
[airlied: merged fixup + and fixed up a couple more bits]. Reviewed-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/amd/common/ac_nir_to_llvm.c80
1 files changed, 63 insertions, 17 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 0e1c65ae813..de9510c9a40 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -838,22 +838,61 @@ static void create_function(struct nir_to_llvm_context *ctx,
add_vgpr_argument(&args, ctx->i32, &ctx->tes_patch_id); // tes patch id
break;
case MESA_SHADER_GEOMETRY:
- radv_define_common_user_sgprs_phase1(ctx, stage, has_previous_stage, previous_stage, &user_sgpr_info, &args, &desc_sets);
- radv_define_vs_user_sgprs_phase1(ctx, stage, has_previous_stage, previous_stage, &args);
- add_user_sgpr_argument(&args, ctx->i32, &ctx->gsvs_ring_stride); // gsvs stride
- add_user_sgpr_argument(&args, ctx->i32, &ctx->gsvs_num_entries); // gsvs num entires
- if (ctx->shader_info->info.needs_multiview_view_index)
- add_user_sgpr_argument(&args, ctx->i32, &ctx->view_index);
- add_sgpr_argument(&args, ctx->i32, &ctx->gs2vs_offset); // gs2vs offset
- add_sgpr_argument(&args, ctx->i32, &ctx->gs_wave_id); // wave id
- add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[0]); // vtx0
- add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[1]); // vtx1
- add_vgpr_argument(&args, ctx->i32, &ctx->gs_prim_id); // prim id
- add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[2]);
- add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[3]);
- add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[4]);
- add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[5]);
- add_vgpr_argument(&args, ctx->i32, &ctx->gs_invocation_id);
+ if (has_previous_stage) {
+ // First 6 system regs
+ add_sgpr_argument(&args, ctx->i32, &ctx->gs2vs_offset); // tess factor offset
+ add_sgpr_argument(&args, ctx->i32, &ctx->merged_wave_info); // merged wave info
+ add_sgpr_argument(&args, ctx->i32, &ctx->oc_lds); // param oc lds
+
+ add_sgpr_argument(&args, ctx->i32, NULL); // scratch offset
+ add_sgpr_argument(&args, ctx->i32, NULL); // unknown
+ add_sgpr_argument(&args, ctx->i32, NULL); // unknown
+
+ radv_define_common_user_sgprs_phase1(ctx, stage, has_previous_stage, previous_stage, &user_sgpr_info, &args, &desc_sets);
+ if (previous_stage == MESA_SHADER_TESS_EVAL)
+ add_user_sgpr_argument(&args, ctx->i32, &ctx->tcs_offchip_layout); // tcs offchip layout
+ else
+ radv_define_vs_user_sgprs_phase1(ctx, stage, has_previous_stage, previous_stage, &args);
+ add_user_sgpr_argument(&args, ctx->i32, &ctx->gsvs_ring_stride); // gsvs stride
+ add_user_sgpr_argument(&args, ctx->i32, &ctx->gsvs_num_entries); // gsvs num entires
+ if (ctx->shader_info->info.needs_multiview_view_index)
+ add_user_sgpr_argument(&args, ctx->i32, &ctx->view_index);
+
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[0]); // vtx01
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[2]); // vtx23
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_prim_id); // prim id
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_invocation_id);
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[4]);
+
+ if (previous_stage == MESA_SHADER_VERTEX) {
+ add_vgpr_argument(&args, ctx->i32, &ctx->abi.vertex_id); // vertex id
+ add_vgpr_argument(&args, ctx->i32, &ctx->rel_auto_id); // rel auto id
+ add_vgpr_argument(&args, ctx->i32, &ctx->vs_prim_id); // vs prim id
+ add_vgpr_argument(&args, ctx->i32, &ctx->abi.instance_id); // instance id
+ } else {
+ add_vgpr_argument(&args, ctx->f32, &ctx->tes_u); // tes_u
+ add_vgpr_argument(&args, ctx->f32, &ctx->tes_v); // tes_v
+ add_vgpr_argument(&args, ctx->i32, &ctx->tes_rel_patch_id); // tes rel patch id
+ add_vgpr_argument(&args, ctx->i32, &ctx->tes_patch_id); // tes patch id
+ }
+ } else {
+ radv_define_common_user_sgprs_phase1(ctx, stage, has_previous_stage, previous_stage, &user_sgpr_info, &args, &desc_sets);
+ radv_define_vs_user_sgprs_phase1(ctx, stage, has_previous_stage, previous_stage, &args);
+ add_user_sgpr_argument(&args, ctx->i32, &ctx->gsvs_ring_stride); // gsvs stride
+ add_user_sgpr_argument(&args, ctx->i32, &ctx->gsvs_num_entries); // gsvs num entires
+ if (ctx->shader_info->info.needs_multiview_view_index)
+ add_user_sgpr_argument(&args, ctx->i32, &ctx->view_index);
+ add_sgpr_argument(&args, ctx->i32, &ctx->gs2vs_offset); // gs2vs offset
+ add_sgpr_argument(&args, ctx->i32, &ctx->gs_wave_id); // wave id
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[0]); // vtx0
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[1]); // vtx1
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_prim_id); // prim id
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[2]);
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[3]);
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[4]);
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_vtx_offset[5]);
+ add_vgpr_argument(&args, ctx->i32, &ctx->gs_invocation_id);
+ }
break;
case MESA_SHADER_FRAGMENT:
radv_define_common_user_sgprs_phase1(ctx, stage, has_previous_stage, previous_stage, &user_sgpr_info, &args, &desc_sets);
@@ -949,10 +988,17 @@ static void create_function(struct nir_to_llvm_context *ctx,
set_userdata_location_shader(ctx, AC_UD_VIEW_INDEX, &user_sgpr_idx, 1);
break;
case MESA_SHADER_GEOMETRY:
- radv_define_vs_user_sgprs_phase2(ctx, stage, has_previous_stage, previous_stage, &user_sgpr_idx);
+ if (has_previous_stage) {
+ if (previous_stage == MESA_SHADER_VERTEX)
+ radv_define_vs_user_sgprs_phase2(ctx, stage, has_previous_stage, previous_stage, &user_sgpr_idx);
+ else
+ set_userdata_location_shader(ctx, AC_UD_TES_OFFCHIP_LAYOUT, &user_sgpr_idx, 1);
+ }
set_userdata_location_shader(ctx, AC_UD_GS_VS_RING_STRIDE_ENTRIES, &user_sgpr_idx, 2);
if (ctx->view_index)
set_userdata_location_shader(ctx, AC_UD_VIEW_INDEX, &user_sgpr_idx, 1);
+ if (has_previous_stage)
+ declare_tess_lds(ctx);
break;
case MESA_SHADER_FRAGMENT:
if (ctx->shader_info->info.ps.needs_sample_positions) {