From: Samuel Pitoiset Date: Fri, 25 Jan 2019 08:21:32 +0000 (+0100) Subject: radv: simplify allocating user SGPRS for descriptor sets X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=320b058d32bd37150bf82b66594db292bb65bb94;p=mesa.git radv: simplify allocating user SGPRS for descriptor sets Unnecesary to check the current stages if desc_set_used_mask is used. Signed-off-by: Samuel Pitoiset Reviewed-by: Bas Nieuwenhuizen --- diff --git a/src/amd/vulkan/radv_nir_to_llvm.c b/src/amd/vulkan/radv_nir_to_llvm.c index 31cbcd996a4..690be947485 100644 --- a/src/amd/vulkan/radv_nir_to_llvm.c +++ b/src/amd/vulkan/radv_nir_to_llvm.c @@ -713,29 +713,20 @@ static void allocate_user_sgprs(struct radv_shader_context *ctx, static void declare_global_input_sgprs(struct radv_shader_context *ctx, - gl_shader_stage stage, - bool has_previous_stage, - gl_shader_stage previous_stage, const struct user_sgpr_info *user_sgpr_info, struct arg_info *args, LLVMValueRef *desc_sets) { LLVMTypeRef type = ac_array_in_const32_addr_space(ctx->ac.i8); - unsigned num_sets = ctx->options->layout ? - ctx->options->layout->num_sets : 0; - unsigned stage_mask = 1 << stage; - - if (has_previous_stage) - stage_mask |= 1 << previous_stage; /* 1 for each descriptor set */ if (!user_sgpr_info->indirect_all_descriptor_sets) { - for (unsigned i = 0; i < num_sets; ++i) { - if ((ctx->shader_info->info.desc_set_used_mask & (1 << i)) && - ctx->options->layout->set[i].layout->shader_stages & stage_mask) { - add_array_arg(args, type, - &ctx->descriptor_sets[i]); - } + uint32_t mask = ctx->shader_info->info.desc_set_used_mask; + + while (mask) { + int i = u_bit_scan(&mask); + + add_array_arg(args, type, &ctx->descriptor_sets[i]); } } else { add_array_arg(args, ac_array_in_const32_addr_space(type), desc_sets); @@ -832,41 +823,31 @@ declare_tes_input_vgprs(struct radv_shader_context *ctx, struct arg_info *args) } static void -set_global_input_locs(struct radv_shader_context *ctx, gl_shader_stage stage, - bool has_previous_stage, gl_shader_stage previous_stage, +set_global_input_locs(struct radv_shader_context *ctx, const struct user_sgpr_info *user_sgpr_info, LLVMValueRef desc_sets, uint8_t *user_sgpr_idx) { - unsigned num_sets = ctx->options->layout ? - ctx->options->layout->num_sets : 0; - unsigned stage_mask = 1 << stage; - - if (has_previous_stage) - stage_mask |= 1 << previous_stage; + uint32_t mask = ctx->shader_info->info.desc_set_used_mask; if (!user_sgpr_info->indirect_all_descriptor_sets) { - for (unsigned i = 0; i < num_sets; ++i) { - if ((ctx->shader_info->info.desc_set_used_mask & (1 << i)) && - ctx->options->layout->set[i].layout->shader_stages & stage_mask) { - set_loc_desc(ctx, i, user_sgpr_idx); - } else - ctx->descriptor_sets[i] = NULL; + while (mask) { + int i = u_bit_scan(&mask); + + set_loc_desc(ctx, i, user_sgpr_idx); } } else { set_loc_shader_ptr(ctx, AC_UD_INDIRECT_DESCRIPTOR_SETS, user_sgpr_idx); - for (unsigned i = 0; i < num_sets; ++i) { - if ((ctx->shader_info->info.desc_set_used_mask & (1 << i)) && - ctx->options->layout->set[i].layout->shader_stages & stage_mask) { - ctx->descriptor_sets[i] = - ac_build_load_to_sgpr(&ctx->ac, - desc_sets, - LLVMConstInt(ctx->ac.i32, i, false)); + while (mask) { + int i = u_bit_scan(&mask); + + ctx->descriptor_sets[i] = + ac_build_load_to_sgpr(&ctx->ac, desc_sets, + LLVMConstInt(ctx->ac.i32, i, false)); - } else - ctx->descriptor_sets[i] = NULL; } + ctx->shader_info->need_indirect_descriptor_sets = true; } @@ -952,9 +933,8 @@ static void create_function(struct radv_shader_context *ctx, switch (stage) { case MESA_SHADER_COMPUTE: - declare_global_input_sgprs(ctx, stage, has_previous_stage, - previous_stage, &user_sgpr_info, - &args, &desc_sets); + declare_global_input_sgprs(ctx, &user_sgpr_info, &args, + &desc_sets); if (ctx->shader_info->info.cs.uses_grid_size) { add_arg(&args, ARG_SGPR, ctx->ac.v3i32, @@ -975,9 +955,9 @@ static void create_function(struct radv_shader_context *ctx, &ctx->abi.local_invocation_ids); break; case MESA_SHADER_VERTEX: - declare_global_input_sgprs(ctx, stage, has_previous_stage, - previous_stage, &user_sgpr_info, - &args, &desc_sets); + declare_global_input_sgprs(ctx, &user_sgpr_info, &args, + &desc_sets); + declare_vs_specific_input_sgprs(ctx, stage, has_previous_stage, previous_stage, &args); @@ -1008,11 +988,9 @@ static void create_function(struct radv_shader_context *ctx, add_arg(&args, ARG_SGPR, ctx->ac.i32, NULL); // unknown add_arg(&args, ARG_SGPR, ctx->ac.i32, NULL); // unknown - declare_global_input_sgprs(ctx, stage, - has_previous_stage, - previous_stage, - &user_sgpr_info, &args, + declare_global_input_sgprs(ctx, &user_sgpr_info, &args, &desc_sets); + declare_vs_specific_input_sgprs(ctx, stage, has_previous_stage, previous_stage, &args); @@ -1028,10 +1006,7 @@ static void create_function(struct radv_shader_context *ctx, declare_vs_input_vgprs(ctx, &args); } else { - declare_global_input_sgprs(ctx, stage, - has_previous_stage, - previous_stage, - &user_sgpr_info, &args, + declare_global_input_sgprs(ctx, &user_sgpr_info, &args, &desc_sets); if (needs_view_index) @@ -1048,9 +1023,8 @@ static void create_function(struct radv_shader_context *ctx, } break; case MESA_SHADER_TESS_EVAL: - declare_global_input_sgprs(ctx, stage, has_previous_stage, - previous_stage, &user_sgpr_info, - &args, &desc_sets); + declare_global_input_sgprs(ctx, &user_sgpr_info, &args, + &desc_sets); if (needs_view_index) add_arg(&args, ARG_SGPR, ctx->ac.i32, @@ -1081,10 +1055,7 @@ static void create_function(struct radv_shader_context *ctx, add_arg(&args, ARG_SGPR, ctx->ac.i32, NULL); // unknown add_arg(&args, ARG_SGPR, ctx->ac.i32, NULL); // unknown - declare_global_input_sgprs(ctx, stage, - has_previous_stage, - previous_stage, - &user_sgpr_info, &args, + declare_global_input_sgprs(ctx, &user_sgpr_info, &args, &desc_sets); if (previous_stage != MESA_SHADER_TESS_EVAL) { @@ -1115,10 +1086,7 @@ static void create_function(struct radv_shader_context *ctx, declare_tes_input_vgprs(ctx, &args); } } else { - declare_global_input_sgprs(ctx, stage, - has_previous_stage, - previous_stage, - &user_sgpr_info, &args, + declare_global_input_sgprs(ctx, &user_sgpr_info, &args, &desc_sets); if (needs_view_index) @@ -1146,9 +1114,8 @@ static void create_function(struct radv_shader_context *ctx, } break; case MESA_SHADER_FRAGMENT: - declare_global_input_sgprs(ctx, stage, has_previous_stage, - previous_stage, &user_sgpr_info, - &args, &desc_sets); + declare_global_input_sgprs(ctx, &user_sgpr_info, &args, + &desc_sets); add_arg(&args, ARG_SGPR, ctx->ac.i32, &ctx->abi.prim_mask); add_arg(&args, ARG_VGPR, ctx->ac.v2i32, &ctx->persp_sample); @@ -1207,8 +1174,7 @@ static void create_function(struct radv_shader_context *ctx, if (has_previous_stage) user_sgpr_idx = 0; - set_global_input_locs(ctx, stage, has_previous_stage, previous_stage, - &user_sgpr_info, desc_sets, &user_sgpr_idx); + set_global_input_locs(ctx, &user_sgpr_info, desc_sets, &user_sgpr_idx); switch (stage) { case MESA_SHADER_COMPUTE: