From ee31cff856e0bdca11561b95a9b327a11dd0be3e Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 19 Feb 2018 06:51:15 +0000 Subject: radv: drop tcs_out_offsets Move all calculations to shader generation. Reviewed-by: Samuel Pitoiset Signed-off-by: Dave Airlie --- src/amd/vulkan/radv_nir_to_llvm.c | 39 +++++++++++++++++++++++++++------------ src/amd/vulkan/radv_pipeline.c | 10 ++-------- 2 files changed, 29 insertions(+), 20 deletions(-) (limited to 'src/amd') diff --git a/src/amd/vulkan/radv_nir_to_llvm.c b/src/amd/vulkan/radv_nir_to_llvm.c index 11d0c1721fb..73a5a9a0697 100644 --- a/src/amd/vulkan/radv_nir_to_llvm.c +++ b/src/amd/vulkan/radv_nir_to_llvm.c @@ -63,7 +63,6 @@ struct radv_shader_context { LLVMValueRef es2gs_offset; LLVMValueRef tcs_offchip_layout; - LLVMValueRef tcs_out_offsets; LLVMValueRef oc_lds; LLVMValueRef merged_wave_info; LLVMValueRef tess_factor_offset; @@ -192,17 +191,37 @@ get_tcs_out_vertex_stride(struct radv_shader_context *ctx) static LLVMValueRef get_tcs_out_patch0_offset(struct radv_shader_context *ctx) { + assert (ctx->stage == MESA_SHADER_TESS_CTRL); + uint32_t input_vertex_size = ctx->tcs_num_inputs * 16; + uint32_t input_patch_size = ctx->options->key.tcs.input_vertices * input_vertex_size; + uint32_t output_patch0_offset = input_patch_size; + LLVMValueRef num_patches = ac_unpack_param(&ctx->ac, ctx->tcs_offchip_layout, 0, 9); + + output_patch0_offset /= 4; return LLVMBuildMul(ctx->ac.builder, - ac_unpack_param(&ctx->ac, ctx->tcs_out_offsets, 0, 16), - LLVMConstInt(ctx->ac.i32, 4, false), ""); + num_patches, + LLVMConstInt(ctx->ac.i32, output_patch0_offset, false), ""); } static LLVMValueRef get_tcs_out_patch0_patch_data_offset(struct radv_shader_context *ctx) { - return LLVMBuildMul(ctx->ac.builder, - ac_unpack_param(&ctx->ac, ctx->tcs_out_offsets, 16, 16), - LLVMConstInt(ctx->ac.i32, 4, false), ""); + uint32_t input_vertex_size = ctx->tcs_num_inputs * 16; + uint32_t input_patch_size = ctx->options->key.tcs.input_vertices * input_vertex_size; + uint32_t output_patch0_offset = input_patch_size; + + uint32_t num_tcs_outputs = util_last_bit64(ctx->shader_info->info.tcs.outputs_written); + uint32_t output_vertex_size = num_tcs_outputs * 16; + uint32_t pervertex_output_patch_size = ctx->tcs_vertices_per_patch * output_vertex_size; + LLVMValueRef num_patches = ac_unpack_param(&ctx->ac, ctx->tcs_offchip_layout, 0, 9); + + output_patch0_offset /= 4; + LLVMValueRef value = LLVMBuildMul(ctx->ac.builder, + num_patches, + LLVMConstInt(ctx->ac.i32, output_patch0_offset, false), ""); + return LLVMBuildAdd(ctx->ac.builder, + value, + LLVMConstInt(ctx->ac.i32, pervertex_output_patch_size / 4, false), ""); } static LLVMValueRef @@ -474,7 +493,7 @@ static void allocate_user_sgprs(struct radv_shader_context *ctx, if (previous_stage == MESA_SHADER_VERTEX) user_sgpr_info->sgpr_count += count_vs_user_sgprs(ctx); } - user_sgpr_info->sgpr_count += 2; + user_sgpr_info->sgpr_count += 1; break; case MESA_SHADER_TESS_EVAL: user_sgpr_info->sgpr_count += 1; @@ -772,8 +791,6 @@ static void create_function(struct radv_shader_context *ctx, add_arg(&args, ARG_SGPR, ctx->ac.i32, &ctx->tcs_offchip_layout); - add_arg(&args, ARG_SGPR, ctx->ac.i32, - &ctx->tcs_out_offsets); if (needs_view_index) add_arg(&args, ARG_SGPR, ctx->ac.i32, &ctx->abi.view_index); @@ -793,8 +810,6 @@ static void create_function(struct radv_shader_context *ctx, add_arg(&args, ARG_SGPR, ctx->ac.i32, &ctx->tcs_offchip_layout); - add_arg(&args, ARG_SGPR, ctx->ac.i32, - &ctx->tcs_out_offsets); if (needs_view_index) add_arg(&args, ARG_SGPR, ctx->ac.i32, &ctx->abi.view_index); @@ -1003,7 +1018,7 @@ static void create_function(struct radv_shader_context *ctx, case MESA_SHADER_TESS_CTRL: set_vs_specific_input_locs(ctx, stage, has_previous_stage, previous_stage, &user_sgpr_idx); - set_loc_shader(ctx, AC_UD_TCS_OFFCHIP_LAYOUT, &user_sgpr_idx, 2); + set_loc_shader(ctx, AC_UD_TCS_OFFCHIP_LAYOUT, &user_sgpr_idx, 1); if (ctx->abi.view_index) set_loc_shader(ctx, AC_UD_VIEW_INDEX, &user_sgpr_idx, 1); break; diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c index 01808cc3f55..449381c3460 100644 --- a/src/amd/vulkan/radv_pipeline.c +++ b/src/amd/vulkan/radv_pipeline.c @@ -62,7 +62,6 @@ struct radv_blend_state { struct radv_tessellation_state { uint32_t ls_hs_config; - uint32_t tcs_out_offsets; uint32_t offchip_layout; unsigned num_patches; unsigned lds_size; @@ -1314,7 +1313,6 @@ calculate_tess_state(struct radv_pipeline *pipeline, unsigned input_vertex_size, output_vertex_size, pervertex_output_patch_size; unsigned input_patch_size, output_patch_size, output_patch0_offset; unsigned lds_size, hardware_lds_size; - unsigned perpatch_output_offset; unsigned num_patches; struct radv_tessellation_state tess = {0}; @@ -1366,7 +1364,6 @@ calculate_tess_state(struct radv_pipeline *pipeline, } output_patch0_offset = input_patch_size * num_patches; - perpatch_output_offset = output_patch0_offset + pervertex_output_patch_size; lds_size = output_patch0_offset + output_patch_size * num_patches; @@ -1381,8 +1378,6 @@ calculate_tess_state(struct radv_pipeline *pipeline, tess.lds_size = lds_size; - tess.tcs_out_offsets = (output_patch0_offset / 16) | - ((perpatch_output_offset / 16) << 16); tess.offchip_layout = (pervertex_output_patch_size * num_patches << 16) | num_patches; @@ -2612,11 +2607,10 @@ radv_pipeline_generate_tess_shaders(struct radeon_winsys_cs *cs, loc = radv_lookup_user_sgpr(pipeline, MESA_SHADER_TESS_CTRL, AC_UD_TCS_OFFCHIP_LAYOUT); if (loc->sgpr_idx != -1) { uint32_t base_reg = pipeline->user_data_0[MESA_SHADER_TESS_CTRL]; - assert(loc->num_sgprs == 2); + assert(loc->num_sgprs == 1); assert(!loc->indirect); - radeon_set_sh_reg_seq(cs, base_reg + loc->sgpr_idx * 4, 2); + radeon_set_sh_reg_seq(cs, base_reg + loc->sgpr_idx * 4, 1); radeon_emit(cs, tess->offchip_layout); - radeon_emit(cs, tess->tcs_out_offsets); } loc = radv_lookup_user_sgpr(pipeline, MESA_SHADER_TESS_EVAL, AC_UD_TES_OFFCHIP_LAYOUT); -- cgit v1.2.3