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spirv: Fixes and Intel specific workarounds

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This commit is contained in:
ReinUsesLisp 2021-02-21 23:42:38 -03:00 committed by ameerj
parent 704c6f353f
commit 274897dfd5
11 changed files with 44 additions and 32 deletions
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3
src/shader_recompiler/backend/spirv/emit_context.cpp
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@ -25,7 +25,8 @@ void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_vie
}
}
EmitContext::EmitContext(IR::Program& program) : Sirit::Module(0x00010000) {
EmitContext::EmitContext(const Profile& profile_, IR::Program& program)
: Sirit::Module(0x00010000), profile{profile_} {
AddCapability(spv::Capability::Shader);
DefineCommonTypes(program.info);
DefineCommonConstants();

5
src/shader_recompiler/backend/spirv/emit_context.h
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@ -11,6 +11,7 @@
#include "shader_recompiler/frontend/ir/program.h"
#include "shader_recompiler/shader_info.h"
#include "shader_recompiler/profile.h"
namespace Shader::Backend::SPIRV {
@ -30,11 +31,13 @@ private:
class EmitContext final : public Sirit::Module {
public:
explicit EmitContext(IR::Program& program);
explicit EmitContext(const Profile& profile, IR::Program& program);
~EmitContext();
[[nodiscard]] Id Def(const IR::Value& value);
const Profile& profile;
Id void_id{};
Id U1{};
Id U16{};

6
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -150,11 +150,11 @@ void SetupDenormControl(const Profile& profile, const IR::Program& program, Emit
} else if (info.uses_fp16_denorms_flush) {
if (profile.support_fp16_denorm_flush) {
ctx.AddCapability(spv::Capability::DenormFlushToZero);
ctx.AddExecutionMode(main_func, spv::ExecutionMode::DenormPreserve, 16U);
ctx.AddExecutionMode(main_func, spv::ExecutionMode::DenormFlushToZero, 16U);
} else {
// Same as fp32, no need to warn as most drivers will flush by default
}
} else if (info.uses_fp32_denorms_preserve) {
} else if (info.uses_fp16_denorms_preserve) {
if (profile.support_fp16_denorm_preserve) {
ctx.AddCapability(spv::Capability::DenormPreserve);
ctx.AddExecutionMode(main_func, spv::ExecutionMode::DenormPreserve, 16U);
@ -166,7 +166,7 @@ void SetupDenormControl(const Profile& profile, const IR::Program& program, Emit
} // Anonymous namespace
std::vector<u32> EmitSPIRV(const Profile& profile, Environment& env, IR::Program& program) {
EmitContext ctx{program};
EmitContext ctx{profile, program};
const Id void_function{ctx.TypeFunction(ctx.void_id)};
// FIXME: Forward declare functions (needs sirit support)
Id func{};

8
src/shader_recompiler/backend/spirv/emit_spirv.h
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@ -202,10 +202,10 @@ Id EmitUGreaterThan(EmitContext& ctx, Id lhs, Id rhs);
Id EmitINotEqual(EmitContext& ctx, Id lhs, Id rhs);
Id EmitSGreaterThanEqual(EmitContext& ctx, Id lhs, Id rhs);
Id EmitUGreaterThanEqual(EmitContext& ctx, Id lhs, Id rhs);
void EmitLogicalOr(EmitContext& ctx);
void EmitLogicalAnd(EmitContext& ctx);
void EmitLogicalXor(EmitContext& ctx);
void EmitLogicalNot(EmitContext& ctx);
Id EmitLogicalOr(EmitContext& ctx, Id a, Id b);
Id EmitLogicalAnd(EmitContext& ctx, Id a, Id b);
Id EmitLogicalXor(EmitContext& ctx, Id a, Id b);
Id EmitLogicalNot(EmitContext& ctx, Id value);
Id EmitConvertS16F16(EmitContext& ctx, Id value);
Id EmitConvertS16F32(EmitContext& ctx, Id value);
Id EmitConvertS16F64(EmitContext& ctx, Id value);

13
src/shader_recompiler/backend/spirv/emit_spirv_floating_point.cpp
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@ -15,6 +15,13 @@ Id Decorate(EmitContext& ctx, IR::Inst* inst, Id op) {
return op;
}
Id Saturate(EmitContext& ctx, Id type, Id value, Id zero, Id one) {
if (ctx.profile.has_broken_spirv_clamp) {
return ctx.OpFMin(type, ctx.OpFMax(type, value, zero), one);
} else {
return ctx.OpFClamp(type, value, zero, one);
}
}
} // Anonymous namespace
Id EmitFPAbs16(EmitContext& ctx, Id value) {
@ -144,19 +151,19 @@ void EmitFPLog2(EmitContext&) {
Id EmitFPSaturate16(EmitContext& ctx, Id value) {
const Id zero{ctx.Constant(ctx.F16[1], u16{0})};
const Id one{ctx.Constant(ctx.F16[1], u16{0x3c00})};
return ctx.OpFClamp(ctx.F32[1], value, zero, one);
return Saturate(ctx, ctx.F16[1], value, zero, one);
}
Id EmitFPSaturate32(EmitContext& ctx, Id value) {
const Id zero{ctx.Constant(ctx.F32[1], f32{0.0})};
const Id one{ctx.Constant(ctx.F32[1], f32{1.0})};
return ctx.OpFClamp(ctx.F32[1], value, zero, one);
return Saturate(ctx, ctx.F32[1], value, zero, one);
}
Id EmitFPSaturate64(EmitContext& ctx, Id value) {
const Id zero{ctx.Constant(ctx.F64[1], f64{0.0})};
const Id one{ctx.Constant(ctx.F64[1], f64{1.0})};
return ctx.OpFClamp(ctx.F64[1], value, zero, one);
return Saturate(ctx, ctx.F64[1], value, zero, one);
}
Id EmitFPRoundEven16(EmitContext& ctx, Id value) {

16
src/shader_recompiler/backend/spirv/emit_spirv_logical.cpp
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@ -6,20 +6,20 @@
namespace Shader::Backend::SPIRV {
void EmitLogicalOr(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
Id EmitLogicalOr(EmitContext& ctx, Id a, Id b) {
return ctx.OpLogicalOr(ctx.U1, a, b);
}
void EmitLogicalAnd(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
Id EmitLogicalAnd(EmitContext& ctx, Id a, Id b) {
return ctx.OpLogicalAnd(ctx.U1, a, b);
}
void EmitLogicalXor(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
Id EmitLogicalXor(EmitContext& ctx, Id a, Id b) {
return ctx.OpLogicalNotEqual(ctx.U1, a, b);
}
void EmitLogicalNot(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
Id EmitLogicalNot(EmitContext& ctx, Id value) {
return ctx.OpLogicalNot(ctx.U1, value);
}
} // namespace Shader::Backend::SPIRV

3
src/shader_recompiler/frontend/ir/structured_control_flow.cpp
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@ -272,11 +272,9 @@ public:
explicit GotoPass(std::span<Block* const> blocks, ObjectPool<Statement>& stmt_pool)
: pool{stmt_pool} {
std::vector gotos{BuildUnorderedTreeGetGotos(blocks)};
fmt::print(stdout, "BEFORE\n{}\n", DumpTree(root_stmt.children));
for (const Node& goto_stmt : gotos | std::views::reverse) {
RemoveGoto(goto_stmt);
}
fmt::print(stdout, "AFTER\n{}\n", DumpTree(root_stmt.children));
}
Statement& RootStatement() noexcept {
@ -548,7 +546,6 @@ private:
size_t Offset(ConstNode stmt) const {
size_t offset{0};
if (!SearchNode(root_stmt.children, stmt, offset)) {
fmt::print(stdout, "{}\n", DumpTree(root_stmt.children));
throw LogicError("Node not found in tree");
}
return offset;

3
src/shader_recompiler/frontend/maxwell/program.cpp
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@ -56,7 +56,6 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
.post_order_blocks{},
});
}
fmt::print(stdout, "{}\n", IR::DumpProgram(program));
Optimization::LowerFp16ToFp32(program);
for (IR::Function& function : functions) {
function.post_order_blocks = PostOrder(function.blocks);
@ -70,8 +69,6 @@ IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Blo
Optimization::VerificationPass(function);
}
Optimization::CollectShaderInfoPass(program);
fmt::print(stdout, "{}\n", IR::DumpProgram(program));
return program;
}

15
src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp
View File

@ -83,9 +83,12 @@ IR::U32 TranslatorVisitor::GetImm20(u64 insn) {
BitField<20, 19, u64> value;
BitField<56, 1, u64> is_negative;
} const imm{insn};
const s32 positive_value{static_cast<s32>(imm.value)};
const s32 value{imm.is_negative != 0 ? -positive_value : positive_value};
return ir.Imm32(value);
if (imm.is_negative != 0) {
const s64 raw{static_cast<s64>(imm.value)};
return ir.Imm32(static_cast<s32>(-(1LL << 19) + raw));
} else {
return ir.Imm32(static_cast<u32>(imm.value));
}
}
IR::F32 TranslatorVisitor::GetFloatImm20(u64 insn) {
@ -94,9 +97,9 @@ IR::F32 TranslatorVisitor::GetFloatImm20(u64 insn) {
BitField<20, 19, u64> value;
BitField<56, 1, u64> is_negative;
} const imm{insn};
const f32 positive_value{Common::BitCast<f32>(static_cast<u32>(imm.value) << 12)};
const f32 value{imm.is_negative != 0 ? -positive_value : positive_value};
return ir.Imm32(value);
const u32 sign_bit{imm.is_negative != 0 ? (1ULL << 31) : 0};
const u32 value{static_cast<u32>(imm.value) << 12};
return ir.Imm32(Common::BitCast<f32>(value | sign_bit));
}
IR::U32 TranslatorVisitor::GetImm32(u64 insn) {

3
src/shader_recompiler/profile.h
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@ -15,6 +15,9 @@ struct Profile {
bool support_fp32_denorm_preserve{};
bool support_fp16_denorm_flush{};
bool support_fp32_denorm_flush{};
// FClamp is broken and OpFMax + OpFMin should be used instead
bool has_broken_spirv_clamp{};
};
} // namespace Shader

1
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
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@ -189,6 +189,7 @@ ComputePipeline PipelineCache::CreateComputePipeline(ShaderInfo* shader_info) {
.support_fp32_denorm_preserve = float_control.shaderDenormPreserveFloat32 != VK_FALSE,
.support_fp16_denorm_flush = float_control.shaderDenormFlushToZeroFloat16 != VK_FALSE,
.support_fp32_denorm_flush = float_control.shaderDenormFlushToZeroFloat32 != VK_FALSE,
.has_broken_spirv_clamp = true, // TODO: is_intel
};
const auto [info, code]{Shader::RecompileSPIRV(profile, env, qmd.program_start)};
/*