454 lines
19 KiB
C++
454 lines
19 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, const IR::Value& 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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AddOffset(ctx, offset);
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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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// LOG_WARNING("Not all arguments in PTP are immediate, STUBBING");
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return;
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}
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const IR::Opcode opcode{values[0]->GetOpcode()};
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if (opcode != values[1]->GetOpcode() || opcode != IR::Opcode::CompositeConstructU32x4) {
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throw LogicError("Invalid PTP arguments");
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}
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auto read{[&](unsigned int a, unsigned int b) { return values[a]->Arg(b).U32(); }};
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const Id offsets{ctx.ConstantComposite(
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ctx.TypeArray(ctx.U32[2], ctx.Const(4U)), ctx.Const(read(0, 0), read(0, 1)),
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ctx.Const(read(0, 2), read(0, 3)), ctx.Const(read(1, 0), read(1, 1)),
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ctx.Const(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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explicit ImageOperands(EmitContext& ctx, bool has_lod_clamp, Id derivates, u32 num_derivates,
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Id offset, Id lod_clamp) {
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if (!Sirit::ValidId(derivates)) {
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throw LogicError("Derivates must be present");
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}
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boost::container::static_vector<Id, 3> deriv_x_accum;
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boost::container::static_vector<Id, 3> deriv_y_accum;
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for (u32 i = 0; i < num_derivates; ++i) {
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deriv_x_accum.push_back(ctx.OpCompositeExtract(ctx.F32[1], derivates, i * 2));
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deriv_y_accum.push_back(ctx.OpCompositeExtract(ctx.F32[1], derivates, i * 2 + 1));
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}
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const Id derivates_X{ctx.OpCompositeConstruct(
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ctx.F32[num_derivates], std::span{deriv_x_accum.data(), deriv_x_accum.size()})};
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const Id derivates_Y{ctx.OpCompositeConstruct(
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ctx.F32[num_derivates], std::span{deriv_y_accum.data(), deriv_y_accum.size()})};
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Add(spv::ImageOperandsMask::Grad, derivates_X, derivates_Y);
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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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Add(spv::ImageOperandsMask::MinLod, lod_clamp);
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}
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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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std::optional<spv::ImageOperandsMask> MaskOptional() const noexcept {
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return mask != spv::ImageOperandsMask{} ? std::make_optional(mask) : std::nullopt;
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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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void AddOffset(EmitContext& ctx, const IR::Value& offset) {
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if (offset.IsEmpty()) {
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return;
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}
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if (offset.IsImmediate()) {
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Add(spv::ImageOperandsMask::ConstOffset, ctx.SConst(offset.U32()));
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return;
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}
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IR::Inst* const inst{offset.InstRecursive()};
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if (inst->AreAllArgsImmediates()) {
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switch (inst->GetOpcode()) {
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case IR::Opcode::CompositeConstructU32x2:
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Add(spv::ImageOperandsMask::ConstOffset,
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ctx.SConst(inst->Arg(0).U32(), inst->Arg(1).U32()));
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return;
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case IR::Opcode::CompositeConstructU32x3:
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Add(spv::ImageOperandsMask::ConstOffset,
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ctx.SConst(inst->Arg(0).U32(), inst->Arg(1).U32(), inst->Arg(2).U32()));
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return;
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case IR::Opcode::CompositeConstructU32x4:
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Add(spv::ImageOperandsMask::ConstOffset,
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ctx.SConst(inst->Arg(0).U32(), inst->Arg(1).U32(), inst->Arg(2).U32(),
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inst->Arg(3).U32()));
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return;
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default:
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break;
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}
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}
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Add(spv::ImageOperandsMask::Offset, ctx.Def(offset));
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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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void Add(spv::ImageOperandsMask new_mask, Id value_1, Id value_2) {
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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_1);
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operands.push_back(value_2);
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}
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boost::container::static_vector<Id, 4> operands;
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spv::ImageOperandsMask mask{};
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};
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Id Texture(EmitContext& ctx, IR::TextureInstInfo info, [[maybe_unused]] const IR::Value& index) {
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const TextureDefinition& def{ctx.textures.at(info.descriptor_index)};
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if (def.count > 1) {
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const Id pointer{ctx.OpAccessChain(def.pointer_type, def.id, ctx.Def(index))};
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return ctx.OpLoad(def.sampled_type, pointer);
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} else {
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return ctx.OpLoad(def.sampled_type, def.id);
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}
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}
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Id TextureImage(EmitContext& ctx, IR::TextureInstInfo info,
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[[maybe_unused]] const IR::Value& index) {
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if (info.type == TextureType::Buffer) {
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const TextureBufferDefinition& def{ctx.texture_buffers.at(info.descriptor_index)};
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if (def.count > 1) {
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throw NotImplementedException("Indirect texture sample");
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}
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const Id sampler_id{def.id};
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const Id id{ctx.OpLoad(ctx.sampled_texture_buffer_type, sampler_id)};
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return ctx.OpImage(ctx.image_buffer_type, id);
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} else {
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const TextureDefinition& def{ctx.textures.at(info.descriptor_index)};
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if (def.count > 1) {
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throw NotImplementedException("Indirect texture sample");
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}
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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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}
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Id Image(EmitContext& ctx, const IR::Value& index, IR::TextureInstInfo info) {
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if (!index.IsImmediate()) {
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throw NotImplementedException("Indirect image indexing");
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}
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if (info.type == TextureType::Buffer) {
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const ImageBufferDefinition def{ctx.image_buffers.at(index.U32())};
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return ctx.OpLoad(def.image_type, def.id);
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} else {
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const ImageDefinition def{ctx.images.at(index.U32())};
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return ctx.OpLoad(def.image_type, def.id);
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}
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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 EmitBindlessImageGradient(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBindlessImageRead(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBindlessImageWrite(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 EmitBoundImageGradient(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageRead(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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Id EmitBoundImageWrite(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, const IR::Value& offset) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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if (ctx.stage == Stage::Fragment) {
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const ImageOperands operands(ctx, info.has_bias != 0, false, info.has_lod_clamp != 0,
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bias_lc, offset);
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return Emit(&EmitContext::OpImageSparseSampleImplicitLod,
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&EmitContext::OpImageSampleImplicitLod, ctx, inst, ctx.F32[4],
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Texture(ctx, info, index), coords, operands.MaskOptional(), operands.Span());
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} else {
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// We can't use implicit lods on non-fragment stages on SPIR-V. Maxwell hardware behaves as
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// if the lod was explicitly zero. This may change on Turing with implicit compute
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// derivatives
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const Id lod{ctx.Const(0.0f)};
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const ImageOperands operands(ctx, false, true, info.has_lod_clamp != 0, lod, offset);
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return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
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&EmitContext::OpImageSampleExplicitLod, ctx, inst, ctx.F32[4],
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Texture(ctx, info, index), coords, operands.Mask(), operands.Span());
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}
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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, const IR::Value& 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],
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Texture(ctx, info, index), 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, const IR::Value& 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, info, index), coords, dref, operands.MaskOptional(), 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, const IR::Value& 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, info, 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, info, index), coords, ctx.Const(info.gather_component),
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operands.MaskOptional(), 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, info, index), coords, dref, operands.MaskOptional(),
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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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if (info.type == TextureType::Buffer) {
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lod = Id{};
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}
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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, info, index), coords, operands.MaskOptional(), 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, info, 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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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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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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return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[3], image, lod),
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mips());
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case TextureType::Buffer:
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return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySize(ctx.U32[1], image), zero,
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zero, 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* inst, const IR::Value& index, Id coords) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const Id zero{ctx.f32_zero_value};
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const Id sampler{Texture(ctx, info, index)};
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return ctx.OpCompositeConstruct(ctx.F32[4], ctx.OpImageQueryLod(ctx.F32[2], sampler, coords),
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zero, zero);
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}
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Id EmitImageGradient(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
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Id derivates, Id offset, Id lod_clamp) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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const ImageOperands operands(ctx, info.has_lod_clamp != 0, derivates, info.num_derivates,
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offset, lod_clamp);
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return Emit(&EmitContext::OpImageSparseSampleExplicitLod,
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&EmitContext::OpImageSampleExplicitLod, ctx, inst, ctx.F32[4],
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Texture(ctx, info, index), coords, operands.Mask(), operands.Span());
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}
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Id EmitImageRead(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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if (info.image_format == ImageFormat::Typeless && !ctx.profile.support_typeless_image_loads) {
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// LOG_WARNING(..., "Typeless image read not supported by host");
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return ctx.ConstantNull(ctx.U32[4]);
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}
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return Emit(&EmitContext::OpImageSparseRead, &EmitContext::OpImageRead, ctx, inst, ctx.U32[4],
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Image(ctx, index, info), coords, std::nullopt, std::span<const Id>{});
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}
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void EmitImageWrite(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id color) {
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const auto info{inst->Flags<IR::TextureInstInfo>()};
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ctx.OpImageWrite(Image(ctx, index, info), coords, color);
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}
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} // namespace Shader::Backend::SPIRV
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