From b4401cc1045decc7d67647bc9653ad6498ea9ac2 Mon Sep 17 00:00:00 2001 From: Timothy Arceri Date: Thu, 17 Aug 2017 13:29:54 +1000 Subject: [PATCH] radeonsi: make use of LOAD for UBOs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit v2: always set can_speculate and allow_smem to true Reviewed-by: Marek Olšák --- src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c | 31 +++++++++++++++-------- 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c index 1e44b68..a590ea6 100644 --- a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c +++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c @@ -73,7 +73,8 @@ static LLVMValueRef get_buffer_size( static LLVMValueRef shader_buffer_fetch_rsrc(struct si_shader_context *ctx, - const struct tgsi_full_src_register *reg) + const struct tgsi_full_src_register *reg, + bool ubo) { LLVMValueRef index; @@ -84,7 +85,10 @@ shader_buffer_fetch_rsrc(struct si_shader_context *ctx, reg->Register.Index); } - return ctx->abi.load_ssbo(&ctx->abi, index, false); + if (ubo) + return ctx->abi.load_ubo(&ctx->abi, index); + else + return ctx->abi.load_ssbo(&ctx->abi, index, false); } static bool tgsi_is_array_sampler(unsigned target) @@ -370,12 +374,14 @@ static void load_fetch_args( emit_data->dst_type = ctx->v4f32; - if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { + if (inst->Src[0].Register.File == TGSI_FILE_BUFFER || + inst->Src[0].Register.File == TGSI_FILE_CONSTBUF) { LLVMBuilderRef builder = gallivm->builder; LLVMValueRef offset; LLVMValueRef tmp; - rsrc = shader_buffer_fetch_rsrc(ctx, &inst->Src[0]); + bool ubo = inst->Src[0].Register.File == TGSI_FILE_CONSTBUF; + rsrc = shader_buffer_fetch_rsrc(ctx, &inst->Src[0], ubo); tmp = lp_build_emit_fetch(bld_base, inst, 1, 0); offset = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); @@ -421,7 +427,7 @@ static unsigned get_store_intr_attribs(bool writeonly_memory) static void load_emit_buffer(struct si_shader_context *ctx, struct lp_build_emit_data *emit_data, - bool can_speculate) + bool can_speculate, bool allow_smem) { const struct tgsi_full_instruction *inst = emit_data->inst; uint writemask = inst->Dst[0].Register.WriteMask; @@ -448,7 +454,7 @@ static void load_emit_buffer(struct si_shader_context *ctx, args[2], NULL, 0, LLVMConstIntGetZExtValue(args[3]), LLVMConstIntGetZExtValue(args[4]), - can_speculate, false); + can_speculate, allow_smem); } static LLVMValueRef get_memory_ptr(struct si_shader_context *ctx, @@ -578,6 +584,11 @@ static void load_emit( return; } + if (inst->Src[0].Register.File == TGSI_FILE_CONSTBUF) { + load_emit_buffer(ctx, emit_data, true, true); + return; + } + if (inst->Memory.Qualifier & TGSI_MEMORY_VOLATILE) si_emit_waitcnt(ctx, VM_CNT); @@ -589,7 +600,7 @@ static void load_emit( info->images_atomic); if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { - load_emit_buffer(ctx, emit_data, can_speculate); + load_emit_buffer(ctx, emit_data, can_speculate, false); return; } @@ -643,7 +654,7 @@ static void store_fetch_args( LLVMValueRef offset; LLVMValueRef tmp; - rsrc = shader_buffer_fetch_rsrc(ctx, &memory); + rsrc = shader_buffer_fetch_rsrc(ctx, &memory, false); tmp = lp_build_emit_fetch(bld_base, inst, 0, 0); offset = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); @@ -863,7 +874,7 @@ static void atomic_fetch_args( if (inst->Src[0].Register.File == TGSI_FILE_BUFFER) { LLVMValueRef offset; - rsrc = shader_buffer_fetch_rsrc(ctx, &inst->Src[0]); + rsrc = shader_buffer_fetch_rsrc(ctx, &inst->Src[0], false); tmp = lp_build_emit_fetch(bld_base, inst, 1, 0); offset = LLVMBuildBitCast(builder, tmp, ctx->i32, ""); @@ -1071,7 +1082,7 @@ static void resq_fetch_args( emit_data->dst_type = ctx->v4i32; if (reg->Register.File == TGSI_FILE_BUFFER) { - emit_data->args[0] = shader_buffer_fetch_rsrc(ctx, reg); + emit_data->args[0] = shader_buffer_fetch_rsrc(ctx, reg, false); emit_data->arg_count = 1; } else if (inst->Memory.Texture == TGSI_TEXTURE_BUFFER) { image_fetch_rsrc(bld_base, reg, false, inst->Memory.Texture, -- 2.7.4