306 lines
12 KiB
C++
306 lines
12 KiB
C++
// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <boost/container/static_vector.hpp>
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#include "shader_recompiler/backend/spirv/emit_spirv.h"
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#include "shader_recompiler/frontend/ir/modifiers.h"
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namespace Shader::Backend::SPIRV {
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namespace {
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class ImageOperands {
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public:
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explicit ImageOperands(EmitContext& ctx, bool has_bias, bool has_lod, bool has_lod_clamp,
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Id lod, Id offset) {
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if (has_bias) {
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const Id bias{has_lod_clamp ? ctx.OpCompositeExtract(ctx.F32[1], lod, 0) : lod};
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Add(spv::ImageOperandsMask::Bias, bias);
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}
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if (has_lod) {
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const Id lod_value{has_lod_clamp ? ctx.OpCompositeExtract(ctx.F32[1], lod, 0) : lod};
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Add(spv::ImageOperandsMask::Lod, lod_value);
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}
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if (Sirit::ValidId(offset)) {
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Add(spv::ImageOperandsMask::Offset, offset);
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}
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if (has_lod_clamp) {
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const Id lod_clamp{has_bias ? ctx.OpCompositeExtract(ctx.F32[1], lod, 1) : lod};
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Add(spv::ImageOperandsMask::MinLod, lod_clamp);
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}
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}
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explicit ImageOperands(EmitContext& ctx, const IR::Value& offset, const IR::Value& offset2) {
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if (offset2.IsEmpty()) {
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if (offset.IsEmpty()) {
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return;
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}
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Add(spv::ImageOperandsMask::Offset, ctx.Def(offset));
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return;
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}
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const std::array values{offset.InstRecursive(), offset2.InstRecursive()};
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if (!values[0]->AreAllArgsImmediates() || !values[1]->AreAllArgsImmediates()) {
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throw NotImplementedException("Not all arguments in PTP are immediate");
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}
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const IR::Opcode opcode{values[0]->Opcode()};
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if (opcode != values[1]->Opcode() || opcode != IR::Opcode::CompositeConstructU32x4) {
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throw LogicError("Invalid PTP arguments");
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}
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auto read{[&](int a, int b) { return ctx.Constant(ctx.U32[1], values[a]->Arg(b).U32()); }};
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const Id offsets{
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ctx.ConstantComposite(ctx.TypeArray(ctx.U32[2], ctx.Constant(ctx.U32[1], 4)),
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ctx.ConstantComposite(ctx.U32[2], read(0, 0), read(0, 1)),
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ctx.ConstantComposite(ctx.U32[2], read(0, 2), read(0, 3)),
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ctx.ConstantComposite(ctx.U32[2], read(1, 0), read(1, 1)),
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ctx.ConstantComposite(ctx.U32[2], read(1, 2), read(1, 3)))};
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Add(spv::ImageOperandsMask::ConstOffsets, offsets);
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}
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explicit ImageOperands(Id offset, Id lod, Id ms) {
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if (Sirit::ValidId(lod)) {
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Add(spv::ImageOperandsMask::Lod, lod);
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}
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if (Sirit::ValidId(offset)) {
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Add(spv::ImageOperandsMask::Offset, offset);
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}
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if (Sirit::ValidId(ms)) {
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Add(spv::ImageOperandsMask::Sample, ms);
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}
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}
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void Add(spv::ImageOperandsMask new_mask, Id value) {
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mask = static_cast<spv::ImageOperandsMask>(static_cast<unsigned>(mask) |
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static_cast<unsigned>(new_mask));
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operands.push_back(value);
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}
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std::span<const Id> Span() const noexcept {
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return std::span{operands.data(), operands.size()};
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}
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spv::ImageOperandsMask Mask() const noexcept {
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return mask;
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}
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private:
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boost::container::static_vector<Id, 3> operands;
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spv::ImageOperandsMask mask{};
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};
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Id Texture(EmitContext& ctx, const IR::Value& index) {
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if (index.IsImmediate()) {
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const TextureDefinition def{ctx.textures.at(index.U32())};
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return ctx.OpLoad(def.sampled_type, def.id);
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}
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throw NotImplementedException("Indirect texture sample");
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}
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Id TextureImage(EmitContext& ctx, const IR::Value& index) {
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if (index.IsImmediate()) {
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const TextureDefinition def{ctx.textures.at(index.U32())};
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return ctx.OpImage(def.image_type, ctx.OpLoad(def.sampled_type, def.id));
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}
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throw NotImplementedException("Indirect texture sample");
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}
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Id Decorate(EmitContext& ctx, IR::Inst* inst, Id sample) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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if (info.relaxed_precision != 0) {
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ctx.Decorate(sample, spv::Decoration::RelaxedPrecision);
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}
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return sample;
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}
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template <typename MethodPtrType, typename... Args>
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Id Emit(MethodPtrType sparse_ptr, MethodPtrType non_sparse_ptr, EmitContext& ctx, IR::Inst* inst,
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Id result_type, Args&&... args) {
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IR::Inst* const sparse{inst->GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp)};
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if (!sparse) {
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return Decorate(ctx, inst, (ctx.*non_sparse_ptr)(result_type, std::forward<Args>(args)...));
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}
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const Id struct_type{ctx.TypeStruct(ctx.U32[1], result_type)};
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const Id sample{(ctx.*sparse_ptr)(struct_type, std::forward<Args>(args)...)};
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const Id resident_code{ctx.OpCompositeExtract(ctx.U32[1], sample, 0U)};
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sparse->SetDefinition(ctx.OpImageSparseTexelsResident(ctx.U1, resident_code));
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sparse->Invalidate();
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Decorate(ctx, inst, sample);
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return ctx.OpCompositeExtract(result_type, sample, 1U);
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}
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} // Anonymous namespace
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Id EmitBindlessImageSampleImplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBindlessImageSampleExplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBindlessImageSampleDrefImplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBindlessImageSampleDrefExplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBindlessImageGather(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBindlessImageGatherDref(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBindlessImageFetch(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBindlessImageQueryDimensions(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBindlessImageQueryLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageSampleImplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageSampleExplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageSampleDrefImplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageSampleDrefExplicitLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageGather(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageGatherDref(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageFetch(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageQueryDimensions(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageQueryLod(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
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Id bias_lc, Id offset) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0, bias_lc,
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offset);
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return Emit(&EmitContext::OpImageSparseSampleImplicitLod,
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&EmitContext::OpImageSampleImplicitLod, ctx, inst, ctx.F32[4], Texture(ctx, index),
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coords, operands.Mask(), operands.Span());
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}
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Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
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Id lod_lc, Id offset) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const ImageOperands operands(ctx, false, true, info.has_lod_clamp != 0, lod_lc, offset);
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return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
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&EmitContext::OpImageSampleExplicitLod, ctx, inst, ctx.F32[4], Texture(ctx, index),
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coords, operands.Mask(), operands.Span());
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}
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Id EmitImageSampleDrefImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
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Id coords, Id dref, Id bias_lc, Id offset) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0, bias_lc,
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offset);
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return Emit(&EmitContext::OpImageSparseSampleDrefImplicitLod,
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&EmitContext::OpImageSampleDrefImplicitLod, ctx, inst, ctx.F32[1],
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Texture(ctx, index), coords, dref, operands.Mask(), operands.Span());
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}
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Id EmitImageSampleDrefExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
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Id coords, Id dref, Id lod_lc, Id offset) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const ImageOperands operands(ctx, false, true, info.has_lod_clamp != 0, lod_lc, offset);
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return Emit(&EmitContext::OpImageSparseSampleDrefExplicitLod,
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&EmitContext::OpImageSampleDrefExplicitLod, ctx, inst, ctx.F32[1],
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Texture(ctx, index), coords, dref, operands.Mask(), operands.Span());
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}
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Id EmitImageGather(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
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const IR::Value& offset, const IR::Value& offset2) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const ImageOperands operands(ctx, offset, offset2);
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return Emit(&EmitContext::OpImageSparseGather, &EmitContext::OpImageGather, ctx, inst,
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ctx.F32[4], Texture(ctx, index), coords,
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ctx.Constant(ctx.U32[1], info.gather_component.Value()), operands.Mask(),
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operands.Span());
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}
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Id EmitImageGatherDref(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
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const IR::Value& offset, const IR::Value& offset2, Id dref) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const ImageOperands operands(ctx, offset, offset2);
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return Emit(&EmitContext::OpImageSparseDrefGather, &EmitContext::OpImageDrefGather, ctx, inst,
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ctx.F32[4], Texture(ctx, index), coords, dref, operands.Mask(), operands.Span());
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}
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Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id offset,
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Id lod, Id ms) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const ImageOperands operands(offset, lod, ms);
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return Emit(&EmitContext::OpImageSparseFetch, &EmitContext::OpImageFetch, ctx, inst, ctx.F32[4],
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TextureImage(ctx, index), coords, operands.Mask(), operands.Span());
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}
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Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const Id image{TextureImage(ctx, index)};
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const Id zero{ctx.u32_zero_value};
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const auto mips{[&] { return ctx.OpImageQueryLevels(ctx.U32[1], image); }};
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switch (info.type) {
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case TextureType::Color1D:
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case TextureType::Shadow1D:
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return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[1], image, lod),
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zero, zero, mips());
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case TextureType::ColorArray1D:
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case TextureType::Color2D:
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case TextureType::ColorCube:
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case TextureType::ShadowArray1D:
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case TextureType::Shadow2D:
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case TextureType::ShadowCube:
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return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[2], image, lod),
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zero, mips());
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case TextureType::ColorArray2D:
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case TextureType::Color3D:
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case TextureType::ColorArrayCube:
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case TextureType::ShadowArray2D:
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case TextureType::Shadow3D:
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case TextureType::ShadowArrayCube:
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return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[3], image, lod),
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mips());
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}
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throw LogicError("Unspecified image type {}", info.type.Value());
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}
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Id EmitImageQueryLod(EmitContext& ctx, IR::Inst*, const IR::Value& index, Id coords) {
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const Id zero{ctx.f32_zero_value};
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const Id image{TextureImage(ctx, index)};
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return ctx.OpCompositeConstruct(ctx.F32[4], ctx.OpImageQueryLod(ctx.F32[2], image, coords),
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zero, zero);
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}
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} // namespace Shader::Backend::SPIRV
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