radv: drop geometry stride user sgpr.
authorDave Airlie <airlied@redhat.com>
Tue, 20 Feb 2018 04:03:32 +0000 (14:03 +1000)
committerDave Airlie <airlied@redhat.com>
Fri, 16 Mar 2018 05:23:21 +0000 (05:23 +0000)
This removes the other geometry specific user sgpr.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
src/amd/vulkan/radv_nir_to_llvm.c
src/amd/vulkan/radv_pipeline.c
src/amd/vulkan/radv_shader.h

index de784959fb2678c88e6b5a41106e17d24ade2131..cedcd38b3a2c7fb8e8febbdafb7a45e267c28c78 100644 (file)
@@ -69,7 +69,6 @@ struct radv_shader_context {
        LLVMValueRef tes_u;
        LLVMValueRef tes_v;
 
-       LLVMValueRef gsvs_ring_stride;
        LLVMValueRef gs2vs_offset;
        LLVMValueRef gs_wave_id;
        LLVMValueRef gs_vtx_offset[6];
@@ -103,6 +102,8 @@ struct radv_shader_context {
        uint32_t tcs_vertices_per_patch;
        uint32_t tcs_num_inputs;
        uint32_t tcs_num_patches;
+       uint32_t max_gsvs_emit_size;
+       uint32_t gsvs_vertex_size;
 };
 
 enum radeon_llvm_calling_convention {
@@ -568,7 +569,6 @@ static void allocate_user_sgprs(struct radv_shader_context *ctx,
                                user_sgpr_info->sgpr_count += count_vs_user_sgprs(ctx);
                        }
                }
-               user_sgpr_info->sgpr_count += 1;
                break;
        default:
                break;
@@ -927,8 +927,6 @@ static void create_function(struct radv_shader_context *ctx,
                                                                &args);
                        }
 
-                       add_arg(&args, ARG_SGPR, ctx->ac.i32,
-                               &ctx->gsvs_ring_stride);
                        if (needs_view_index)
                                add_arg(&args, ARG_SGPR, ctx->ac.i32,
                                        &ctx->abi.view_index);
@@ -956,8 +954,6 @@ static void create_function(struct radv_shader_context *ctx,
                                                   &user_sgpr_info, &args,
                                                   &desc_sets);
 
-                       add_arg(&args, ARG_SGPR, ctx->ac.i32,
-                               &ctx->gsvs_ring_stride);
                        if (needs_view_index)
                                add_arg(&args, ARG_SGPR, ctx->ac.i32,
                                        &ctx->abi.view_index);
@@ -1083,8 +1079,6 @@ static void create_function(struct radv_shader_context *ctx,
                                                           previous_stage,
                                                           &user_sgpr_idx);
                }
-               set_loc_shader(ctx, AC_UD_GS_VS_RING_STRIDE_ENTRIES,
-                              &user_sgpr_idx, 1);
                if (ctx->abi.view_index)
                        set_loc_shader(ctx, AC_UD_VIEW_INDEX, &user_sgpr_idx, 1);
                break;
@@ -2929,6 +2923,8 @@ ac_setup_rings(struct radv_shader_context *ctx)
        if (ctx->stage == MESA_SHADER_GEOMETRY) {
                LLVMValueRef tmp;
                uint32_t num_entries = 64;
+               LLVMValueRef gsvs_ring_stride = LLVMConstInt(ctx->ac.i32, ctx->max_gsvs_emit_size, false);
+               LLVMValueRef gsvs_ring_desc = LLVMConstInt(ctx->ac.i32, ctx->max_gsvs_emit_size << 16, false);
                ctx->esgs_ring = ac_build_load_to_sgpr(&ctx->ac, ctx->ring_offsets, LLVMConstInt(ctx->ac.i32, RING_ESGS_GS, false));
                ctx->gsvs_ring = ac_build_load_to_sgpr(&ctx->ac, ctx->ring_offsets, LLVMConstInt(ctx->ac.i32, RING_GSVS_GS, false));
 
@@ -2936,10 +2932,10 @@ ac_setup_rings(struct radv_shader_context *ctx)
 
                tmp = LLVMConstInt(ctx->ac.i32, num_entries, false);
                if (ctx->options->chip_class >= VI)
-                       tmp = LLVMBuildMul(ctx->ac.builder, LLVMBuildLShr(ctx->ac.builder, ctx->gsvs_ring_stride, LLVMConstInt(ctx->ac.i32, 16, false), ""), tmp, "");
+                       tmp = LLVMBuildMul(ctx->ac.builder, gsvs_ring_stride, tmp, "");
                ctx->gsvs_ring = LLVMBuildInsertElement(ctx->ac.builder, ctx->gsvs_ring, tmp, LLVMConstInt(ctx->ac.i32, 2, false), "");
                tmp = LLVMBuildExtractElement(ctx->ac.builder, ctx->gsvs_ring, ctx->ac.i32_1, "");
-               tmp = LLVMBuildOr(ctx->ac.builder, tmp, ctx->gsvs_ring_stride, "");
+               tmp = LLVMBuildOr(ctx->ac.builder, tmp, gsvs_ring_desc, "");
                ctx->gsvs_ring = LLVMBuildInsertElement(ctx->ac.builder, ctx->gsvs_ring, tmp, ctx->ac.i32_1, "");
        }
 
@@ -3117,6 +3113,17 @@ LLVMModuleRef ac_translate_nir_to_llvm(LLVMTargetMachineRef tm,
                if (i)
                        ac_emit_barrier(&ctx.ac, ctx.stage);
 
+               nir_foreach_variable(variable, &shaders[i]->outputs)
+                       scan_shader_output_decl(&ctx, variable, shaders[i], shaders[i]->info.stage);
+
+               if (shaders[i]->info.stage == MESA_SHADER_GEOMETRY) {
+                       unsigned addclip = shaders[i]->info.clip_distance_array_size +
+                                       shaders[i]->info.cull_distance_array_size > 4;
+                       ctx.gsvs_vertex_size = (util_bitcount64(ctx.output_mask) + addclip) * 16;
+                       ctx.max_gsvs_emit_size = ctx.gsvs_vertex_size *
+                               shaders[i]->info.gs.vertices_out;
+               }
+
                ac_setup_rings(&ctx);
 
                LLVMBasicBlockRef merge_block;
@@ -3143,9 +3150,6 @@ LLVMModuleRef ac_translate_nir_to_llvm(LLVMTargetMachineRef tm,
                else if(shader_count >= 2 && shaders[i]->info.stage == MESA_SHADER_GEOMETRY)
                        prepare_gs_input_vgprs(&ctx);
 
-               nir_foreach_variable(variable, &shaders[i]->outputs)
-                       scan_shader_output_decl(&ctx, variable, shaders[i], shaders[i]->info.stage);
-
                ac_nir_translate(&ctx.ac, &ctx.abi, shaders[i]);
 
                if (shader_count >= 2) {
@@ -3154,11 +3158,8 @@ LLVMModuleRef ac_translate_nir_to_llvm(LLVMTargetMachineRef tm,
                }
 
                if (shaders[i]->info.stage == MESA_SHADER_GEOMETRY) {
-                       unsigned addclip = shaders[i]->info.clip_distance_array_size +
-                                       shaders[i]->info.cull_distance_array_size > 4;
-                       shader_info->gs.gsvs_vertex_size = (util_bitcount64(ctx.output_mask) + addclip) * 16;
-                       shader_info->gs.max_gsvs_emit_size = shader_info->gs.gsvs_vertex_size *
-                               shaders[i]->info.gs.vertices_out;
+                       shader_info->gs.gsvs_vertex_size = ctx.gsvs_vertex_size;
+                       shader_info->gs.max_gsvs_emit_size = ctx.max_gsvs_emit_size;
                } else if (shaders[i]->info.stage == MESA_SHADER_TESS_CTRL) {
                        shader_info->tcs.num_patches = ctx.tcs_num_patches;
                        shader_info->tcs.lds_size = calculate_tess_lds_size(&ctx);
index b6ca2db69161bc6d564ed48c22580efc1d9658b7..52a6d23718e31b8422f4b6a6f89a3c8bfad5f671 100644 (file)
@@ -2617,15 +2617,6 @@ radv_pipeline_generate_geometry_shader(struct radeon_winsys_cs *cs,
        }
 
        radv_pipeline_generate_hw_vs(cs, pipeline, pipeline->gs_copy_shader);
-
-       struct radv_userdata_info *loc = radv_lookup_user_sgpr(pipeline, MESA_SHADER_GEOMETRY,
-                                                            AC_UD_GS_VS_RING_STRIDE_ENTRIES);
-       if (loc->sgpr_idx != -1) {
-               uint32_t stride = gs->info.gs.max_gsvs_emit_size;
-               stride = S_008F04_STRIDE(stride);
-               radeon_set_sh_reg_seq(cs, R_00B230_SPI_SHADER_USER_DATA_GS_0 + loc->sgpr_idx * 4, 1);
-               radeon_emit(cs, stride);
-       }
 }
 
 static uint32_t offset_to_ps_input(uint32_t offset, bool flat_shade)
index 45784b8ac43f1a93660468d6f21cb842528f1973..40e92b52f38c3f1f1c4a67f867b232d47e75a9c5 100644 (file)
@@ -121,7 +121,6 @@ enum radv_ud_index {
        AC_UD_PS_MAX_UD,
        AC_UD_CS_GRID_SIZE = AC_UD_SHADER_START,
        AC_UD_CS_MAX_UD,
-       AC_UD_GS_VS_RING_STRIDE_ENTRIES = AC_UD_VS_MAX_UD,
        AC_UD_GS_MAX_UD,
        AC_UD_TCS_MAX_UD,
        AC_UD_TES_MAX_UD,