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shader: Add support for native 16-bit floats

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This commit is contained in:
ReinUsesLisp
2021-06-16 03:03:08 -03:00
committed by ameerj
parent 376aa94819
commit cbbca26d18
9 changed files with 50 additions and 14 deletions
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1
src/shader_recompiler/CMakeLists.txt
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@ -211,6 +211,7 @@ add_library(shader_recompiler STATIC
frontend/maxwell/translate/translate.h
frontend/maxwell/translate_program.cpp
frontend/maxwell/translate_program.h
host_translate_info.h
ir_opt/collect_shader_info_pass.cpp
ir_opt/constant_propagation_pass.cpp
ir_opt/dead_code_elimination_pass.cpp

8
src/shader_recompiler/frontend/maxwell/translate_program.cpp
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@ -13,6 +13,7 @@
#include "shader_recompiler/frontend/maxwell/structured_control_flow.h"
#include "shader_recompiler/frontend/maxwell/translate/translate.h"
#include "shader_recompiler/frontend/maxwell/translate_program.h"
#include "shader_recompiler/host_translate_info.h"
#include "shader_recompiler/ir_opt/passes.h"
namespace Shader::Maxwell {
@ -120,7 +121,7 @@ void AddNVNStorageBuffers(IR::Program& program) {
} // Anonymous namespace
IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
Environment& env, Flow::CFG& cfg) {
Environment& env, Flow::CFG& cfg, const HostTranslateInfo& host_info) {
IR::Program program;
program.syntax_list = BuildASL(inst_pool, block_pool, env, cfg);
program.blocks = GenerateBlocks(program.syntax_list);
@ -150,8 +151,9 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
RemoveUnreachableBlocks(program);
// Replace instructions before the SSA rewrite
Optimization::LowerFp16ToFp32(program);
if (!host_info.support_float16) {
Optimization::LowerFp16ToFp32(program);
}
Optimization::SsaRewritePass(program);
Optimization::GlobalMemoryToStorageBufferPass(program);

3
src/shader_recompiler/frontend/maxwell/translate_program.h
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@ -8,13 +8,14 @@
#include "shader_recompiler/frontend/ir/basic_block.h"
#include "shader_recompiler/frontend/ir/program.h"
#include "shader_recompiler/frontend/maxwell/control_flow.h"
#include "shader_recompiler/host_translate_info.h"
#include "shader_recompiler/object_pool.h"
namespace Shader::Maxwell {
[[nodiscard]] IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool,
ObjectPool<IR::Block>& block_pool, Environment& env,
Flow::CFG& cfg);
Flow::CFG& cfg, const HostTranslateInfo& host_info);
[[nodiscard]] IR::Program MergeDualVertexPrograms(IR::Program& vertex_a, IR::Program& vertex_b,
Environment& env_vertex_b);

18
src/shader_recompiler/host_translate_info.h Normal file
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@ -0,0 +1,18 @@
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
namespace Shader {
// Try to keep entries here to a minimum
// They can accidentally change the cached information in a shader
/// Misc information about the host
struct HostTranslateInfo {
bool support_float16{}; ///< True when the device supports 16-bit floats
bool support_int64{}; ///< True when the device supports 64-bit integers
};
} // namespace Shader