From 5286a7bc4ccf8da0827b0352f40dbce651b57d09 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sun, 5 Dec 2021 16:33:44 -0500
Subject: shader_recompiler: Rename backend emit_context files
---
.../backend/spirv/emit_context.cpp | 1585 --------------------
1 file changed, 1585 deletions(-)
delete mode 100644 src/shader_recompiler/backend/spirv/emit_context.cpp
(limited to 'src/shader_recompiler/backend/spirv/emit_context.cpp')
diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp
deleted file mode 100644
index 723455462e..0000000000
--- a/src/shader_recompiler/backend/spirv/emit_context.cpp
+++ /dev/null
@@ -1,1585 +0,0 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <array>
-#include <climits>
-#include <string_view>
-
-#include <boost/container/static_vector.hpp>
-
-#include <fmt/format.h>
-
-#include "common/common_types.h"
-#include "common/div_ceil.h"
-#include "shader_recompiler/backend/spirv/emit_context.h"
-#include "shader_recompiler/backend/spirv/emit_spirv.h"
-
-namespace Shader::Backend::SPIRV {
-namespace {
-constexpr size_t NUM_FIXEDFNCTEXTURE = 10;
-
-enum class Operation {
- Increment,
- Decrement,
- FPAdd,
- FPMin,
- FPMax,
-};
-
-struct AttrInfo {
- Id pointer;
- Id id;
- bool needs_cast;
-};
-
-Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
- const spv::ImageFormat format{spv::ImageFormat::Unknown};
- const Id type{ctx.F32[1]};
- const bool depth{desc.is_depth};
- switch (desc.type) {
- case TextureType::Color1D:
- return ctx.TypeImage(type, spv::Dim::Dim1D, depth, false, false, 1, format);
- case TextureType::ColorArray1D:
- return ctx.TypeImage(type, spv::Dim::Dim1D, depth, true, false, 1, format);
- case TextureType::Color2D:
- return ctx.TypeImage(type, spv::Dim::Dim2D, depth, false, false, 1, format);
- case TextureType::ColorArray2D:
- return ctx.TypeImage(type, spv::Dim::Dim2D, depth, true, false, 1, format);
- case TextureType::Color3D:
- return ctx.TypeImage(type, spv::Dim::Dim3D, depth, false, false, 1, format);
- case TextureType::ColorCube:
- return ctx.TypeImage(type, spv::Dim::Cube, depth, false, false, 1, format);
- case TextureType::ColorArrayCube:
- return ctx.TypeImage(type, spv::Dim::Cube, depth, true, false, 1, format);
- case TextureType::Buffer:
- break;
- }
- throw InvalidArgument("Invalid texture type {}", desc.type);
-}
-
-spv::ImageFormat GetImageFormat(ImageFormat format) {
- switch (format) {
- case ImageFormat::Typeless:
- return spv::ImageFormat::Unknown;
- case ImageFormat::R8_UINT:
- return spv::ImageFormat::R8ui;
- case ImageFormat::R8_SINT:
- return spv::ImageFormat::R8i;
- case ImageFormat::R16_UINT:
- return spv::ImageFormat::R16ui;
- case ImageFormat::R16_SINT:
- return spv::ImageFormat::R16i;
- case ImageFormat::R32_UINT:
- return spv::ImageFormat::R32ui;
- case ImageFormat::R32G32_UINT:
- return spv::ImageFormat::Rg32ui;
- case ImageFormat::R32G32B32A32_UINT:
- return spv::ImageFormat::Rgba32ui;
- }
- throw InvalidArgument("Invalid image format {}", format);
-}
-
-Id ImageType(EmitContext& ctx, const ImageDescriptor& desc) {
- const spv::ImageFormat format{GetImageFormat(desc.format)};
- const Id type{ctx.U32[1]};
- switch (desc.type) {
- case TextureType::Color1D:
- return ctx.TypeImage(type, spv::Dim::Dim1D, false, false, false, 2, format);
- case TextureType::ColorArray1D:
- return ctx.TypeImage(type, spv::Dim::Dim1D, false, true, false, 2, format);
- case TextureType::Color2D:
- return ctx.TypeImage(type, spv::Dim::Dim2D, false, false, false, 2, format);
- case TextureType::ColorArray2D:
- return ctx.TypeImage(type, spv::Dim::Dim2D, false, true, false, 2, format);
- case TextureType::Color3D:
- return ctx.TypeImage(type, spv::Dim::Dim3D, false, false, false, 2, format);
- case TextureType::Buffer:
- throw NotImplementedException("Image buffer");
- default:
- break;
- }
- throw InvalidArgument("Invalid texture type {}", desc.type);
-}
-
-Id DefineVariable(EmitContext& ctx, Id type, std::optional<spv::BuiltIn> builtin,
- spv::StorageClass storage_class) {
- const Id pointer_type{ctx.TypePointer(storage_class, type)};
- const Id id{ctx.AddGlobalVariable(pointer_type, storage_class)};
- if (builtin) {
- ctx.Decorate(id, spv::Decoration::BuiltIn, *builtin);
- }
- ctx.interfaces.push_back(id);
- return id;
-}
-
-u32 NumVertices(InputTopology input_topology) {
- switch (input_topology) {
- case InputTopology::Points:
- return 1;
- case InputTopology::Lines:
- return 2;
- case InputTopology::LinesAdjacency:
- return 4;
- case InputTopology::Triangles:
- return 3;
- case InputTopology::TrianglesAdjacency:
- return 6;
- }
- throw InvalidArgument("Invalid input topology {}", input_topology);
-}
-
-Id DefineInput(EmitContext& ctx, Id type, bool per_invocation,
- std::optional<spv::BuiltIn> builtin = std::nullopt) {
- switch (ctx.stage) {
- case Stage::TessellationControl:
- case Stage::TessellationEval:
- if (per_invocation) {
- type = ctx.TypeArray(type, ctx.Const(32u));
- }
- break;
- case Stage::Geometry:
- if (per_invocation) {
- const u32 num_vertices{NumVertices(ctx.runtime_info.input_topology)};
- type = ctx.TypeArray(type, ctx.Const(num_vertices));
- }
- break;
- default:
- break;
- }
- return DefineVariable(ctx, type, builtin, spv::StorageClass::Input);
-}
-
-Id DefineOutput(EmitContext& ctx, Id type, std::optional<u32> invocations,
- std::optional<spv::BuiltIn> builtin = std::nullopt) {
- if (invocations && ctx.stage == Stage::TessellationControl) {
- type = ctx.TypeArray(type, ctx.Const(*invocations));
- }
- return DefineVariable(ctx, type, builtin, spv::StorageClass::Output);
-}
-
-void DefineGenericOutput(EmitContext& ctx, size_t index, std::optional<u32> invocations) {
- static constexpr std::string_view swizzle{"xyzw"};
- const size_t base_attr_index{static_cast<size_t>(IR::Attribute::Generic0X) + index * 4};
- u32 element{0};
- while (element < 4) {
- const u32 remainder{4 - element};
- const TransformFeedbackVarying* xfb_varying{};
- if (!ctx.runtime_info.xfb_varyings.empty()) {
- xfb_varying = &ctx.runtime_info.xfb_varyings[base_attr_index + element];
- xfb_varying = xfb_varying && xfb_varying->components > 0 ? xfb_varying : nullptr;
- }
- const u32 num_components{xfb_varying ? xfb_varying->components : remainder};
-
- const Id id{DefineOutput(ctx, ctx.F32[num_components], invocations)};
- ctx.Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
- if (element > 0) {
- ctx.Decorate(id, spv::Decoration::Component, element);
- }
- if (xfb_varying) {
- ctx.Decorate(id, spv::Decoration::XfbBuffer, xfb_varying->buffer);
- ctx.Decorate(id, spv::Decoration::XfbStride, xfb_varying->stride);
- ctx.Decorate(id, spv::Decoration::Offset, xfb_varying->offset);
- }
- if (num_components < 4 || element > 0) {
- const std::string_view subswizzle{swizzle.substr(element, num_components)};
- ctx.Name(id, fmt::format("out_attr{}_{}", index, subswizzle));
- } else {
- ctx.Name(id, fmt::format("out_attr{}", index));
- }
- const GenericElementInfo info{
- .id = id,
- .first_element = element,
- .num_components = num_components,
- };
- std::fill_n(ctx.output_generics[index].begin() + element, num_components, info);
- element += num_components;
- }
-}
-
-Id GetAttributeType(EmitContext& ctx, AttributeType type) {
- switch (type) {
- case AttributeType::Float:
- return ctx.F32[4];
- case AttributeType::SignedInt:
- return ctx.TypeVector(ctx.TypeInt(32, true), 4);
- case AttributeType::UnsignedInt:
- return ctx.U32[4];
- case AttributeType::Disabled:
- break;
- }
- throw InvalidArgument("Invalid attribute type {}", type);
-}
-
-std::optional<AttrInfo> AttrTypes(EmitContext& ctx, u32 index) {
- const AttributeType type{ctx.runtime_info.generic_input_types.at(index)};
- switch (type) {
- case AttributeType::Float:
- return AttrInfo{ctx.input_f32, ctx.F32[1], false};
- case AttributeType::UnsignedInt:
- return AttrInfo{ctx.input_u32, ctx.U32[1], true};
- case AttributeType::SignedInt:
- return AttrInfo{ctx.input_s32, ctx.TypeInt(32, true), true};
- case AttributeType::Disabled:
- return std::nullopt;
- }
- throw InvalidArgument("Invalid attribute type {}", type);
-}
-
-std::string_view StageName(Stage stage) {
- switch (stage) {
- case Stage::VertexA:
- return "vs_a";
- case Stage::VertexB:
- return "vs";
- case Stage::TessellationControl:
- return "tcs";
- case Stage::TessellationEval:
- return "tes";
- case Stage::Geometry:
- return "gs";
- case Stage::Fragment:
- return "fs";
- case Stage::Compute:
- return "cs";
- }
- throw InvalidArgument("Invalid stage {}", stage);
-}
-
-template <typename... Args>
-void Name(EmitContext& ctx, Id object, std::string_view format_str, Args&&... args) {
- ctx.Name(object, fmt::format(fmt::runtime(format_str), StageName(ctx.stage),
- std::forward<Args>(args)...)
- .c_str());
-}
-
-void DefineConstBuffers(EmitContext& ctx, const Info& info, Id UniformDefinitions::*member_type,
- u32 binding, Id type, char type_char, u32 element_size) {
- const Id array_type{ctx.TypeArray(type, ctx.Const(65536U / element_size))};
- ctx.Decorate(array_type, spv::Decoration::ArrayStride, element_size);
-
- const Id struct_type{ctx.TypeStruct(array_type)};
- Name(ctx, struct_type, "{}_cbuf_block_{}{}", ctx.stage, type_char, element_size * CHAR_BIT);
- ctx.Decorate(struct_type, spv::Decoration::Block);
- ctx.MemberName(struct_type, 0, "data");
- ctx.MemberDecorate(struct_type, 0, spv::Decoration::Offset, 0U);
-
- const Id struct_pointer_type{ctx.TypePointer(spv::StorageClass::Uniform, struct_type)};
- const Id uniform_type{ctx.TypePointer(spv::StorageClass::Uniform, type)};
- ctx.uniform_types.*member_type = uniform_type;
-
- for (const ConstantBufferDescriptor& desc : info.constant_buffer_descriptors) {
- const Id id{ctx.AddGlobalVariable(struct_pointer_type, spv::StorageClass::Uniform)};
- ctx.Decorate(id, spv::Decoration::Binding, binding);
- ctx.Decorate(id, spv::Decoration::DescriptorSet, 0U);
- ctx.Name(id, fmt::format("c{}", desc.index));
- for (size_t i = 0; i < desc.count; ++i) {
- ctx.cbufs[desc.index + i].*member_type = id;
- }
- if (ctx.profile.supported_spirv >= 0x00010400) {
- ctx.interfaces.push_back(id);
- }
- binding += desc.count;
- }
-}
-
-void DefineSsbos(EmitContext& ctx, StorageTypeDefinition& type_def,
- Id StorageDefinitions::*member_type, const Info& info, u32 binding, Id type,
- u32 stride) {
- const Id array_type{ctx.TypeRuntimeArray(type)};
- ctx.Decorate(array_type, spv::Decoration::ArrayStride, stride);
-
- const Id struct_type{ctx.TypeStruct(array_type)};
- ctx.Decorate(struct_type, spv::Decoration::Block);
- ctx.MemberDecorate(struct_type, 0, spv::Decoration::Offset, 0U);
-
- const Id struct_pointer{ctx.TypePointer(spv::StorageClass::StorageBuffer, struct_type)};
- type_def.array = struct_pointer;
- type_def.element = ctx.TypePointer(spv::StorageClass::StorageBuffer, type);
-
- u32 index{};
- for (const StorageBufferDescriptor& desc : info.storage_buffers_descriptors) {
- const Id id{ctx.AddGlobalVariable(struct_pointer, spv::StorageClass::StorageBuffer)};
- ctx.Decorate(id, spv::Decoration::Binding, binding);
- ctx.Decorate(id, spv::Decoration::DescriptorSet, 0U);
- ctx.Name(id, fmt::format("ssbo{}", index));
- if (ctx.profile.supported_spirv >= 0x00010400) {
- ctx.interfaces.push_back(id);
- }
- for (size_t i = 0; i < desc.count; ++i) {
- ctx.ssbos[index + i].*member_type = id;
- }
- index += desc.count;
- binding += desc.count;
- }
-}
-
-Id CasFunction(EmitContext& ctx, Operation operation, Id value_type) {
- const Id func_type{ctx.TypeFunction(value_type, value_type, value_type)};
- const Id func{ctx.OpFunction(value_type, spv::FunctionControlMask::MaskNone, func_type)};
- const Id op_a{ctx.OpFunctionParameter(value_type)};
- const Id op_b{ctx.OpFunctionParameter(value_type)};
- ctx.AddLabel();
- Id result{};
- switch (operation) {
- case Operation::Increment: {
- const Id pred{ctx.OpUGreaterThanEqual(ctx.U1, op_a, op_b)};
- const Id incr{ctx.OpIAdd(value_type, op_a, ctx.Constant(value_type, 1))};
- result = ctx.OpSelect(value_type, pred, ctx.u32_zero_value, incr);
- break;
- }
- case Operation::Decrement: {
- const Id lhs{ctx.OpIEqual(ctx.U1, op_a, ctx.Constant(value_type, 0u))};
- const Id rhs{ctx.OpUGreaterThan(ctx.U1, op_a, op_b)};
- const Id pred{ctx.OpLogicalOr(ctx.U1, lhs, rhs)};
- const Id decr{ctx.OpISub(value_type, op_a, ctx.Constant(value_type, 1))};
- result = ctx.OpSelect(value_type, pred, op_b, decr);
- break;
- }
- case Operation::FPAdd:
- result = ctx.OpFAdd(value_type, op_a, op_b);
- break;
- case Operation::FPMin:
- result = ctx.OpFMin(value_type, op_a, op_b);
- break;
- case Operation::FPMax:
- result = ctx.OpFMax(value_type, op_a, op_b);
- break;
- default:
- break;
- }
- ctx.OpReturnValue(result);
- ctx.OpFunctionEnd();
- return func;
-}
-
-Id CasLoop(EmitContext& ctx, Operation operation, Id array_pointer, Id element_pointer,
- Id value_type, Id memory_type, spv::Scope scope) {
- const bool is_shared{scope == spv::Scope::Workgroup};
- const bool is_struct{!is_shared || ctx.profile.support_explicit_workgroup_layout};
- const Id cas_func{CasFunction(ctx, operation, value_type)};
- const Id zero{ctx.u32_zero_value};
- const Id scope_id{ctx.Const(static_cast<u32>(scope))};
-
- const Id loop_header{ctx.OpLabel()};
- const Id continue_block{ctx.OpLabel()};
- const Id merge_block{ctx.OpLabel()};
- const Id func_type{is_shared
- ? ctx.TypeFunction(value_type, ctx.U32[1], value_type)
- : ctx.TypeFunction(value_type, ctx.U32[1], value_type, array_pointer)};
-
- const Id func{ctx.OpFunction(value_type, spv::FunctionControlMask::MaskNone, func_type)};
- const Id index{ctx.OpFunctionParameter(ctx.U32[1])};
- const Id op_b{ctx.OpFunctionParameter(value_type)};
- const Id base{is_shared ? ctx.shared_memory_u32 : ctx.OpFunctionParameter(array_pointer)};
- ctx.AddLabel();
- ctx.OpBranch(loop_header);
- ctx.AddLabel(loop_header);
-
- ctx.OpLoopMerge(merge_block, continue_block, spv::LoopControlMask::MaskNone);
- ctx.OpBranch(continue_block);
-
- ctx.AddLabel(continue_block);
- const Id word_pointer{is_struct ? ctx.OpAccessChain(element_pointer, base, zero, index)
- : ctx.OpAccessChain(element_pointer, base, index)};
- if (value_type.value == ctx.F32[2].value) {
- const Id u32_value{ctx.OpLoad(ctx.U32[1], word_pointer)};
- const Id value{ctx.OpUnpackHalf2x16(ctx.F32[2], u32_value)};
- const Id new_value{ctx.OpFunctionCall(value_type, cas_func, value, op_b)};
- const Id u32_new_value{ctx.OpPackHalf2x16(ctx.U32[1], new_value)};
- const Id atomic_res{ctx.OpAtomicCompareExchange(ctx.U32[1], word_pointer, scope_id, zero,
- zero, u32_new_value, u32_value)};
- const Id success{ctx.OpIEqual(ctx.U1, atomic_res, u32_value)};
- ctx.OpBranchConditional(success, merge_block, loop_header);
-
- ctx.AddLabel(merge_block);
- ctx.OpReturnValue(ctx.OpUnpackHalf2x16(ctx.F32[2], atomic_res));
- } else {
- const Id value{ctx.OpLoad(memory_type, word_pointer)};
- const bool matching_type{value_type.value == memory_type.value};
- const Id bitcast_value{matching_type ? value : ctx.OpBitcast(value_type, value)};
- const Id cal_res{ctx.OpFunctionCall(value_type, cas_func, bitcast_value, op_b)};
- const Id new_value{matching_type ? cal_res : ctx.OpBitcast(memory_type, cal_res)};
- const Id atomic_res{ctx.OpAtomicCompareExchange(ctx.U32[1], word_pointer, scope_id, zero,
- zero, new_value, value)};
- const Id success{ctx.OpIEqual(ctx.U1, atomic_res, value)};
- ctx.OpBranchConditional(success, merge_block, loop_header);
-
- ctx.AddLabel(merge_block);
- ctx.OpReturnValue(ctx.OpBitcast(value_type, atomic_res));
- }
- ctx.OpFunctionEnd();
- return func;
-}
-
-template <typename Desc>
-std::string NameOf(Stage stage, const Desc& desc, std::string_view prefix) {
- if (desc.count > 1) {
- return fmt::format("{}_{}{}_{:02x}x{}", StageName(stage), prefix, desc.cbuf_index,
- desc.cbuf_offset, desc.count);
- } else {
- return fmt::format("{}_{}{}_{:02x}", StageName(stage), prefix, desc.cbuf_index,
- desc.cbuf_offset);
- }
-}
-
-Id DescType(EmitContext& ctx, Id sampled_type, Id pointer_type, u32 count) {
- if (count > 1) {
- const Id array_type{ctx.TypeArray(sampled_type, ctx.Const(count))};
- return ctx.TypePointer(spv::StorageClass::UniformConstant, array_type);
- } else {
- return pointer_type;
- }
-}
-
-size_t FindAndSetNextUnusedLocation(std::bitset<IR::NUM_GENERICS>& used_locations,
- size_t& start_offset) {
- for (size_t location = start_offset; location < used_locations.size(); ++location) {
- if (!used_locations.test(location)) {
- start_offset = location;
- used_locations.set(location);
- return location;
- }
- }
- throw RuntimeError("Unable to get an unused location for legacy attribute");
-}
-
-Id DefineLegacyInput(EmitContext& ctx, std::bitset<IR::NUM_GENERICS>& used_locations,
- size_t& start_offset) {
- const Id id{DefineInput(ctx, ctx.F32[4], true)};
- const size_t location = FindAndSetNextUnusedLocation(used_locations, start_offset);
- ctx.Decorate(id, spv::Decoration::Location, location);
- return id;
-}
-
-Id DefineLegacyOutput(EmitContext& ctx, std::bitset<IR::NUM_GENERICS>& used_locations,
- size_t& start_offset, std::optional<u32> invocations) {
- const Id id{DefineOutput(ctx, ctx.F32[4], invocations)};
- const size_t location = FindAndSetNextUnusedLocation(used_locations, start_offset);
- ctx.Decorate(id, spv::Decoration::Location, location);
- return id;
-}
-} // Anonymous namespace
-
-void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name) {
- defs[0] = sirit_ctx.Name(base_type, name);
-
- std::array<char, 6> def_name;
- for (int i = 1; i < 4; ++i) {
- const std::string_view def_name_view(
- def_name.data(),
- fmt::format_to_n(def_name.data(), def_name.size(), "{}x{}", name, i + 1).size);
- defs[static_cast<size_t>(i)] =
- sirit_ctx.Name(sirit_ctx.TypeVector(base_type, i + 1), def_name_view);
- }
-}
-
-EmitContext::EmitContext(const Profile& profile_, const RuntimeInfo& runtime_info_,
- IR::Program& program, Bindings& bindings)
- : Sirit::Module(profile_.supported_spirv), profile{profile_}, runtime_info{runtime_info_},
- stage{program.stage}, texture_rescaling_index{bindings.texture_scaling_index},
- image_rescaling_index{bindings.image_scaling_index} {
- const bool is_unified{profile.unified_descriptor_binding};
- u32& uniform_binding{is_unified ? bindings.unified : bindings.uniform_buffer};
- u32& storage_binding{is_unified ? bindings.unified : bindings.storage_buffer};
- u32& texture_binding{is_unified ? bindings.unified : bindings.texture};
- u32& image_binding{is_unified ? bindings.unified : bindings.image};
- AddCapability(spv::Capability::Shader);
- DefineCommonTypes(program.info);
- DefineCommonConstants();
- DefineInterfaces(program);
- DefineLocalMemory(program);
- DefineSharedMemory(program);
- DefineSharedMemoryFunctions(program);
- DefineConstantBuffers(program.info, uniform_binding);
- DefineStorageBuffers(program.info, storage_binding);
- DefineTextureBuffers(program.info, texture_binding);
- DefineImageBuffers(program.info, image_binding);
- DefineTextures(program.info, texture_binding, bindings.texture_scaling_index);
- DefineImages(program.info, image_binding, bindings.image_scaling_index);
- DefineAttributeMemAccess(program.info);
- DefineGlobalMemoryFunctions(program.info);
- DefineRescalingInput(program.info);
-}
-
-EmitContext::~EmitContext() = default;
-
-Id EmitContext::Def(const IR::Value& value) {
- if (!value.IsImmediate()) {
- return value.InstRecursive()->Definition<Id>();
- }
- switch (value.Type()) {
- case IR::Type::Void:
- // Void instructions are used for optional arguments (e.g. texture offsets)
- // They are not meant to be used in the SPIR-V module
- return Id{};
- case IR::Type::U1:
- return value.U1() ? true_value : false_value;
- case IR::Type::U32:
- return Const(value.U32());
- case IR::Type::U64:
- return Constant(U64, value.U64());
- case IR::Type::F32:
- return Const(value.F32());
- case IR::Type::F64:
- return Constant(F64[1], value.F64());
- default:
- throw NotImplementedException("Immediate type {}", value.Type());
- }
-}
-
-Id EmitContext::BitOffset8(const IR::Value& offset) {
- if (offset.IsImmediate()) {
- return Const((offset.U32() % 4) * 8);
- }
- return OpBitwiseAnd(U32[1], OpShiftLeftLogical(U32[1], Def(offset), Const(3u)), Const(24u));
-}
-
-Id EmitContext::BitOffset16(const IR::Value& offset) {
- if (offset.IsImmediate()) {
- return Const(((offset.U32() / 2) % 2) * 16);
- }
- return OpBitwiseAnd(U32[1], OpShiftLeftLogical(U32[1], Def(offset), Const(3u)), Const(16u));
-}
-
-Id EmitContext::InputLegacyAttribute(IR::Attribute attribute) {
- if (attribute >= IR::Attribute::ColorFrontDiffuseR &&
- attribute <= IR::Attribute::ColorFrontDiffuseA) {
- return input_front_color;
- }
- if (attribute >= IR::Attribute::ColorFrontSpecularR &&
- attribute <= IR::Attribute::ColorFrontSpecularA) {
- return input_front_secondary_color;
- }
- if (attribute >= IR::Attribute::ColorBackDiffuseR &&
- attribute <= IR::Attribute::ColorBackDiffuseA) {
- return input_back_color;
- }
- if (attribute >= IR::Attribute::ColorBackSpecularR &&
- attribute <= IR::Attribute::ColorBackSpecularA) {
- return input_back_secondary_color;
- }
- if (attribute == IR::Attribute::FogCoordinate) {
- return input_fog_frag_coord;
- }
- if (attribute >= IR::Attribute::FixedFncTexture0S &&
- attribute <= IR::Attribute::FixedFncTexture9Q) {
- u32 index =
- (static_cast<u32>(attribute) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4;
- return input_fixed_fnc_textures[index];
- }
- throw InvalidArgument("Attribute is not legacy attribute {}", attribute);
-}
-
-Id EmitContext::OutputLegacyAttribute(IR::Attribute attribute) {
- if (attribute >= IR::Attribute::ColorFrontDiffuseR &&
- attribute <= IR::Attribute::ColorFrontDiffuseA) {
- return output_front_color;
- }
- if (attribute >= IR::Attribute::ColorFrontSpecularR &&
- attribute <= IR::Attribute::ColorFrontSpecularA) {
- return output_front_secondary_color;
- }
- if (attribute >= IR::Attribute::ColorBackDiffuseR &&
- attribute <= IR::Attribute::ColorBackDiffuseA) {
- return output_back_color;
- }
- if (attribute >= IR::Attribute::ColorBackSpecularR &&
- attribute <= IR::Attribute::ColorBackSpecularA) {
- return output_back_secondary_color;
- }
- if (attribute == IR::Attribute::FogCoordinate) {
- return output_fog_frag_coord;
- }
- if (attribute >= IR::Attribute::FixedFncTexture0S &&
- attribute <= IR::Attribute::FixedFncTexture9Q) {
- u32 index =
- (static_cast<u32>(attribute) - static_cast<u32>(IR::Attribute::FixedFncTexture0S)) / 4;
- return output_fixed_fnc_textures[index];
- }
- throw InvalidArgument("Attribute is not legacy attribute {}", attribute);
-}
-
-void EmitContext::DefineCommonTypes(const Info& info) {
- void_id = TypeVoid();
-
- U1 = Name(TypeBool(), "u1");
-
- F32.Define(*this, TypeFloat(32), "f32");
- U32.Define(*this, TypeInt(32, false), "u32");
- S32.Define(*this, TypeInt(32, true), "s32");
-
- private_u32 = Name(TypePointer(spv::StorageClass::Private, U32[1]), "private_u32");
-
- input_f32 = Name(TypePointer(spv::StorageClass::Input, F32[1]), "input_f32");
- input_u32 = Name(TypePointer(spv::StorageClass::Input, U32[1]), "input_u32");
- input_s32 = Name(TypePointer(spv::StorageClass::Input, TypeInt(32, true)), "input_s32");
-
- output_f32 = Name(TypePointer(spv::StorageClass::Output, F32[1]), "output_f32");
- output_u32 = Name(TypePointer(spv::StorageClass::Output, U32[1]), "output_u32");
-
- if (info.uses_int8 && profile.support_int8) {
- AddCapability(spv::Capability::Int8);
- U8 = Name(TypeInt(8, false), "u8");
- S8 = Name(TypeInt(8, true), "s8");
- }
- if (info.uses_int16 && profile.support_int16) {
- AddCapability(spv::Capability::Int16);
- U16 = Name(TypeInt(16, false), "u16");
- S16 = Name(TypeInt(16, true), "s16");
- }
- if (info.uses_int64) {
- AddCapability(spv::Capability::Int64);
- U64 = Name(TypeInt(64, false), "u64");
- }
- if (info.uses_fp16) {
- AddCapability(spv::Capability::Float16);
- F16.Define(*this, TypeFloat(16), "f16");
- }
- if (info.uses_fp64) {
- AddCapability(spv::Capability::Float64);
- F64.Define(*this, TypeFloat(64), "f64");
- }
-}
-
-void EmitContext::DefineCommonConstants() {
- true_value = ConstantTrue(U1);
- false_value = ConstantFalse(U1);
- u32_zero_value = Const(0U);
- f32_zero_value = Const(0.0f);
-}
-
-void EmitContext::DefineInterfaces(const IR::Program& program) {
- DefineInputs(program);
- DefineOutputs(program);
-}
-
-void EmitContext::DefineLocalMemory(const IR::Program& program) {
- if (program.local_memory_size == 0) {
- return;
- }
- const u32 num_elements{Common::DivCeil(program.local_memory_size, 4U)};
- const Id type{TypeArray(U32[1], Const(num_elements))};
- const Id pointer{TypePointer(spv::StorageClass::Private, type)};
- local_memory = AddGlobalVariable(pointer, spv::StorageClass::Private);
- if (profile.supported_spirv >= 0x00010400) {
- interfaces.push_back(local_memory);
- }
-}
-
-void EmitContext::DefineSharedMemory(const IR::Program& program) {
- if (program.shared_memory_size == 0) {
- return;
- }
- const auto make{[&](Id element_type, u32 element_size) {
- const u32 num_elements{Common::DivCeil(program.shared_memory_size, element_size)};
- const Id array_type{TypeArray(element_type, Const(num_elements))};
- Decorate(array_type, spv::Decoration::ArrayStride, element_size);
-
- const Id struct_type{TypeStruct(array_type)};
- MemberDecorate(struct_type, 0U, spv::Decoration::Offset, 0U);
- Decorate(struct_type, spv::Decoration::Block);
-
- const Id pointer{TypePointer(spv::StorageClass::Workgroup, struct_type)};
- const Id element_pointer{TypePointer(spv::StorageClass::Workgroup, element_type)};
- const Id variable{AddGlobalVariable(pointer, spv::StorageClass::Workgroup)};
- Decorate(variable, spv::Decoration::Aliased);
- interfaces.push_back(variable);
-
- return std::make_tuple(variable, element_pointer, pointer);
- }};
- if (profile.support_explicit_workgroup_layout) {
- AddExtension("SPV_KHR_workgroup_memory_explicit_layout");
- AddCapability(spv::Capability::WorkgroupMemoryExplicitLayoutKHR);
- if (program.info.uses_int8) {
- AddCapability(spv::Capability::WorkgroupMemoryExplicitLayout8BitAccessKHR);
- std::tie(shared_memory_u8, shared_u8, std::ignore) = make(U8, 1);
- }
- if (program.info.uses_int16) {
- AddCapability(spv::Capability::WorkgroupMemoryExplicitLayout16BitAccessKHR);
- std::tie(shared_memory_u16, shared_u16, std::ignore) = make(U16, 2);
- }
- if (program.info.uses_int64) {
- std::tie(shared_memory_u64, shared_u64, std::ignore) = make(U64, 8);
- }
- std::tie(shared_memory_u32, shared_u32, shared_memory_u32_type) = make(U32[1], 4);
- std::tie(shared_memory_u32x2, shared_u32x2, std::ignore) = make(U32[2], 8);
- std::tie(shared_memory_u32x4, shared_u32x4, std::ignore) = make(U32[4], 16);
- return;
- }
- const u32 num_elements{Common::DivCeil(program.shared_memory_size, 4U)};
- const Id type{TypeArray(U32[1], Const(num_elements))};
- shared_memory_u32_type = TypePointer(spv::StorageClass::Workgroup, type);
-
- shared_u32 = TypePointer(spv::StorageClass::Workgroup, U32[1]);
- shared_memory_u32 = AddGlobalVariable(shared_memory_u32_type, spv::StorageClass::Workgroup);
- interfaces.push_back(shared_memory_u32);
-
- const Id func_type{TypeFunction(void_id, U32[1], U32[1])};
- const auto make_function{[&](u32 mask, u32 size) {
- const Id loop_header{OpLabel()};
- const Id continue_block{OpLabel()};
- const Id merge_block{OpLabel()};
-
- const Id func{OpFunction(void_id, spv::FunctionControlMask::MaskNone, func_type)};
- const Id offset{OpFunctionParameter(U32[1])};
- const Id insert_value{OpFunctionParameter(U32[1])};
- AddLabel();
- OpBranch(loop_header);
-
- AddLabel(loop_header);
- const Id word_offset{OpShiftRightArithmetic(U32[1], offset, Const(2U))};
- const Id shift_offset{OpShiftLeftLogical(U32[1], offset, Const(3U))};
- const Id bit_offset{OpBitwiseAnd(U32[1], shift_offset, Const(mask))};
- const Id count{Const(size)};
- OpLoopMerge(merge_block, continue_block, spv::LoopControlMask::MaskNone);
- OpBranch(continue_block);
-
- AddLabel(continue_block);
- const Id word_pointer{OpAccessChain(shared_u32, shared_memory_u32, word_offset)};
- const Id old_value{OpLoad(U32[1], word_pointer)};
- const Id new_value{OpBitFieldInsert(U32[1], old_value, insert_value, bit_offset, count)};
- const Id atomic_res{OpAtomicCompareExchange(U32[1], word_pointer, Const(1U), u32_zero_value,
- u32_zero_value, new_value, old_value)};
- const Id success{OpIEqual(U1, atomic_res, old_value)};
- OpBranchConditional(success, merge_block, loop_header);
-
- AddLabel(merge_block);
- OpReturn();
- OpFunctionEnd();
- return func;
- }};
- if (program.info.uses_int8) {
- shared_store_u8_func = make_function(24, 8);
- }
- if (program.info.uses_int16) {
- shared_store_u16_func = make_function(16, 16);
- }
-}
-
-void EmitContext::DefineSharedMemoryFunctions(const IR::Program& program) {
- if (program.info.uses_shared_increment) {
- increment_cas_shared = CasLoop(*this, Operation::Increment, shared_memory_u32_type,
- shared_u32, U32[1], U32[1], spv::Scope::Workgroup);
- }
- if (program.info.uses_shared_decrement) {
- decrement_cas_shared = CasLoop(*this, Operation::Decrement, shared_memory_u32_type,
- shared_u32, U32[1], U32[1], spv::Scope::Workgroup);
- }
-}
-
-void EmitContext::DefineAttributeMemAccess(const Info& info) {
- const auto make_load{[&] {
- const bool is_array{stage == Stage::Geometry};
- const Id end_block{OpLabel()};
- const Id default_label{OpLabel()};
-
- const Id func_type_load{is_array ? TypeFunction(F32[1], U32[1], U32[1])
- : TypeFunction(F32[1], U32[1])};
- const Id func{OpFunction(F32[1], spv::FunctionControlMask::MaskNone, func_type_load)};
- const Id offset{OpFunctionParameter(U32[1])};
- const Id vertex{is_array ? OpFunctionParameter(U32[1]) : Id{}};
-
- AddLabel();
- const Id base_index{OpShiftRightArithmetic(U32[1], offset, Const(2U))};
- const Id masked_index{OpBitwiseAnd(U32[1], base_index, Const(3U))};
- const Id compare_index{OpShiftRightArithmetic(U32[1], base_index, Const(2U))};
- std::vector<Sirit::Literal> literals;
- std::vector<Id> labels;
- if (info.loads.AnyComponent(IR::Attribute::PositionX)) {
- literals.push_back(static_cast<u32>(IR::Attribute::PositionX) >> 2);
- labels.push_back(OpLabel());
- }
- const u32 base_attribute_value = static_cast<u32>(IR::Attribute::Generic0X) >> 2;
- for (u32 index = 0; index < static_cast<u32>(IR::NUM_GENERICS); ++index) {
- if (!info.loads.Generic(index)) {
- continue;
- }
- literals.push_back(base_attribute_value + index);
- labels.push_back(OpLabel());
- }
- OpSelectionMerge(end_block, spv::SelectionControlMask::MaskNone);
- OpSwitch(compare_index, default_label, literals, labels);
- AddLabel(default_label);
- OpReturnValue(Const(0.0f));
- size_t label_index{0};
- if (info.loads.AnyComponent(IR::Attribute::PositionX)) {
- AddLabel(labels[label_index]);
- const Id pointer{is_array
- ? OpAccessChain(input_f32, input_position, vertex, masked_index)
- : OpAccessChain(input_f32, input_position, masked_index)};
- const Id result{OpLoad(F32[1], pointer)};
- OpReturnValue(result);
- ++label_index;
- }
- for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
- if (!info.loads.Generic(index)) {
- continue;
- }
- AddLabel(labels[label_index]);
- const auto type{AttrTypes(*this, static_cast<u32>(index))};
- if (!type) {
- OpReturnValue(Const(0.0f));
- ++label_index;
- continue;
- }
- const Id generic_id{input_generics.at(index)};
- const Id pointer{is_array
- ? OpAccessChain(type->pointer, generic_id, vertex, masked_index)
- : OpAccessChain(type->pointer, generic_id, masked_index)};
- const Id value{OpLoad(type->id, pointer)};
- const Id result{type->needs_cast ? OpBitcast(F32[1], value) : value};
- OpReturnValue(result);
- ++label_index;
- }
- AddLabel(end_block);
- OpUnreachable();
- OpFunctionEnd();
- return func;
- }};
- const auto make_store{[&] {
- const Id end_block{OpLabel()};
- const Id default_label{OpLabel()};
-
- const Id func_type_store{TypeFunction(void_id, U32[1], F32[1])};
- const Id func{OpFunction(void_id, spv::FunctionControlMask::MaskNone, func_type_store)};
- const Id offset{OpFunctionParameter(U32[1])};
- const Id store_value{OpFunctionParameter(F32[1])};
- AddLabel();
- const Id base_index{OpShiftRightArithmetic(U32[1], offset, Const(2U))};
- const Id masked_index{OpBitwiseAnd(U32[1], base_index, Const(3U))};
- const Id compare_index{OpShiftRightArithmetic(U32[1], base_index, Const(2U))};
- std::vector<Sirit::Literal> literals;
- std::vector<Id> labels;
- if (info.stores.AnyComponent(IR::Attribute::PositionX)) {
- literals.push_back(static_cast<u32>(IR::Attribute::PositionX) >> 2);
- labels.push_back(OpLabel());
- }
- const u32 base_attribute_value = static_cast<u32>(IR::Attribute::Generic0X) >> 2;
- for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
- if (!info.stores.Generic(index)) {
- continue;
- }
- literals.push_back(base_attribute_value + static_cast<u32>(index));
- labels.push_back(OpLabel());
- }
- if (info.stores.ClipDistances()) {
- literals.push_back(static_cast<u32>(IR::Attribute::ClipDistance0) >> 2);
- labels.push_back(OpLabel());
- literals.push_back(static_cast<u32>(IR::Attribute::ClipDistance4) >> 2);
- labels.push_back(OpLabel());
- }
- OpSelectionMerge(end_block, spv::SelectionControlMask::MaskNone);
- OpSwitch(compare_index, default_label, literals, labels);
- AddLabel(default_label);
- OpReturn();
- size_t label_index{0};
- if (info.stores.AnyComponent(IR::Attribute::PositionX)) {
- AddLabel(labels[label_index]);
- const Id pointer{OpAccessChain(output_f32, output_position, masked_index)};
- OpStore(pointer, store_value);
- OpReturn();
- ++label_index;
- }
- for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
- if (!info.stores.Generic(index)) {
- continue;
- }
- if (output_generics[index][0].num_components != 4) {
- throw NotImplementedException("Physical stores and transform feedbacks");
- }
- AddLabel(labels[label_index]);
- const Id generic_id{output_generics[index][0].id};
- const Id pointer{OpAccessChain(output_f32, generic_id, masked_index)};
- OpStore(pointer, store_value);
- OpReturn();
- ++label_index;
- }
- if (info.stores.ClipDistances()) {
- AddLabel(labels[label_index]);
- const Id pointer{OpAccessChain(output_f32, clip_distances, masked_index)};
- OpStore(pointer, store_value);
- OpReturn();
- ++label_index;
- AddLabel(labels[label_index]);
- const Id fixed_index{OpIAdd(U32[1], masked_index, Const(4U))};
- const Id pointer2{OpAccessChain(output_f32, clip_distances, fixed_index)};
- OpStore(pointer2, store_value);
- OpReturn();
- ++label_index;
- }
- AddLabel(end_block);
- OpUnreachable();
- OpFunctionEnd();
- return func;
- }};
- if (info.loads_indexed_attributes) {
- indexed_load_func = make_load();
- }
- if (info.stores_indexed_attributes) {
- indexed_store_func = make_store();
- }
-}
-
-void EmitContext::DefineGlobalMemoryFunctions(const Info& info) {
- if (!info.uses_global_memory || !profile.support_int64) {
- return;
- }
- using DefPtr = Id StorageDefinitions::*;
- const Id zero{u32_zero_value};
- const auto define_body{[&](DefPtr ssbo_member, Id addr, Id element_pointer, u32 shift,
- auto&& callback) {
- AddLabel();
- const size_t num_buffers{info.storage_buffers_descriptors.size()};
- for (size_t index = 0; index < num_buffers; ++index) {
- if (!info.nvn_buffer_used[index]) {
- continue;
- }
- const auto& ssbo{info.storage_buffers_descriptors[index]};
- const Id ssbo_addr_cbuf_offset{Const(ssbo.cbuf_offset / 8)};
- const Id ssbo_size_cbuf_offset{Const(ssbo.cbuf_offset / 4 + 2)};
- const Id ssbo_addr_pointer{OpAccessChain(
- uniform_types.U32x2, cbufs[ssbo.cbuf_index].U32x2, zero, ssbo_addr_cbuf_offset)};
- const Id ssbo_size_pointer{OpAccessChain(uniform_types.U32, cbufs[ssbo.cbuf_index].U32,
- zero, ssbo_size_cbuf_offset)};
-
- const Id ssbo_addr{OpBitcast(U64, OpLoad(U32[2], ssbo_addr_pointer))};
- const Id ssbo_size{OpUConvert(U64, OpLoad(U32[1], ssbo_size_pointer))};
- const Id ssbo_end{OpIAdd(U64, ssbo_addr, ssbo_size)};
- const Id cond{OpLogicalAnd(U1, OpUGreaterThanEqual(U1, addr, ssbo_addr),
- OpULessThan(U1, addr, ssbo_end))};
- const Id then_label{OpLabel()};
- const Id else_label{OpLabel()};
- OpSelectionMerge(else_label, spv::SelectionControlMask::MaskNone);
- OpBranchConditional(cond, then_label, else_label);
- AddLabel(then_label);
- const Id ssbo_id{ssbos[index].*ssbo_member};
- const Id ssbo_offset{OpUConvert(U32[1], OpISub(U64, addr, ssbo_addr))};
- const Id ssbo_index{OpShiftRightLogical(U32[1], ssbo_offset, Const(shift))};
- const Id ssbo_pointer{OpAccessChain(element_pointer, ssbo_id, zero, ssbo_index)};
- callback(ssbo_pointer);
- AddLabel(else_label);
- }
- }};
- const auto define_load{[&](DefPtr ssbo_member, Id element_pointer, Id type, u32 shift) {
- const Id function_type{TypeFunction(type, U64)};
- const Id func_id{OpFunction(type, spv::FunctionControlMask::MaskNone, function_type)};
- const Id addr{OpFunctionParameter(U64)};
- define_body(ssbo_member, addr, element_pointer, shift,
- [&](Id ssbo_pointer) { OpReturnValue(OpLoad(type, ssbo_pointer)); });
- OpReturnValue(ConstantNull(type));
- OpFunctionEnd();
- return func_id;
- }};
- const auto define_write{[&](DefPtr ssbo_member, Id element_pointer, Id type, u32 shift) {
- const Id function_type{TypeFunction(void_id, U64, type)};
- const Id func_id{OpFunction(void_id, spv::FunctionControlMask::MaskNone, function_type)};
- const Id addr{OpFunctionParameter(U64)};
- const Id data{OpFunctionParameter(type)};
- define_body(ssbo_member, addr, element_pointer, shift, [&](Id ssbo_pointer) {
- OpStore(ssbo_pointer, data);
- OpReturn();
- });
- OpReturn();
- OpFunctionEnd();
- return func_id;
- }};
- const auto define{
- [&](DefPtr ssbo_member, const StorageTypeDefinition& type_def, Id type, size_t size) {
- const Id element_type{type_def.element};
- const u32 shift{static_cast<u32>(std::countr_zero(size))};
- const Id load_func{define_load(ssbo_member, element_type, type, shift)};
- const Id write_func{define_write(ssbo_member, element_type, type, shift)};
- return std::make_pair(load_func, write_func);
- }};
- std::tie(load_global_func_u32, write_global_func_u32) =
- define(&StorageDefinitions::U32, storage_types.U32, U32[1], sizeof(u32));
- std::tie(load_global_func_u32x2, write_global_func_u32x2) =
- define(&StorageDefinitions::U32x2, storage_types.U32x2, U32[2], sizeof(u32[2]));
- std::tie(load_global_func_u32x4, write_global_func_u32x4) =
- define(&StorageDefinitions::U32x4, storage_types.U32x4, U32[4], sizeof(u32[4]));
-}
-
-void EmitContext::DefineRescalingInput(const Info& info) {
- if (!info.uses_rescaling_uniform) {
- return;
- }
- if (profile.unified_descriptor_binding) {
- DefineRescalingInputPushConstant();
- } else {
- DefineRescalingInputUniformConstant();
- }
-}
-
-void EmitContext::DefineRescalingInputPushConstant() {
- boost::container::static_vector<Id, 3> members{};
- u32 member_index{0};
-
- rescaling_textures_type = TypeArray(U32[1], Const(4u));
- Decorate(rescaling_textures_type, spv::Decoration::ArrayStride, 4u);
- members.push_back(rescaling_textures_type);
- rescaling_textures_member_index = member_index++;
-
- rescaling_images_type = TypeArray(U32[1], Const(NUM_IMAGE_SCALING_WORDS));
- Decorate(rescaling_images_type, spv::Decoration::ArrayStride, 4u);
- members.push_back(rescaling_images_type);
- rescaling_images_member_index = member_index++;
-
- if (stage != Stage::Compute) {
- members.push_back(F32[1]);
- rescaling_downfactor_member_index = member_index++;
- }
- const Id push_constant_struct{TypeStruct(std::span(members.data(), members.size()))};
- Decorate(push_constant_struct, spv::Decoration::Block);
- Name(push_constant_struct, "ResolutionInfo");
-
- MemberDecorate(push_constant_struct, rescaling_textures_member_index, spv::Decoration::Offset,
- static_cast<u32>(offsetof(RescalingLayout, rescaling_textures)));
- MemberName(push_constant_struct, rescaling_textures_member_index, "rescaling_textures");
-
- MemberDecorate(push_constant_struct, rescaling_images_member_index, spv::Decoration::Offset,
- static_cast<u32>(offsetof(RescalingLayout, rescaling_images)));
- MemberName(push_constant_struct, rescaling_images_member_index, "rescaling_images");
-
- if (stage != Stage::Compute) {
- MemberDecorate(push_constant_struct, rescaling_downfactor_member_index,
- spv::Decoration::Offset,
- static_cast<u32>(offsetof(RescalingLayout, down_factor)));
- MemberName(push_constant_struct, rescaling_downfactor_member_index, "down_factor");
- }
- const Id pointer_type{TypePointer(spv::StorageClass::PushConstant, push_constant_struct)};
- rescaling_push_constants = AddGlobalVariable(pointer_type, spv::StorageClass::PushConstant);
- Name(rescaling_push_constants, "rescaling_push_constants");
-
- if (profile.supported_spirv >= 0x00010400) {
- interfaces.push_back(rescaling_push_constants);
- }
-}
-
-void EmitContext::DefineRescalingInputUniformConstant() {
- const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, F32[4])};
- rescaling_uniform_constant =
- AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant);
- Decorate(rescaling_uniform_constant, spv::Decoration::Location, 0u);
-
- if (profile.supported_spirv >= 0x00010400) {
- interfaces.push_back(rescaling_uniform_constant);
- }
-}
-
-void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) {
- if (info.constant_buffer_descriptors.empty()) {
- return;
- }
- if (!profile.support_descriptor_aliasing) {
- DefineConstBuffers(*this, info, &UniformDefinitions::U32x4, binding, U32[4], 'u',
- sizeof(u32[4]));
- for (const ConstantBufferDescriptor& desc : info.constant_buffer_descriptors) {
- binding += desc.count;
- }
- return;
- }
- IR::Type types{info.used_constant_buffer_types};
- if (True(types & IR::Type::U8)) {
- if (profile.support_int8) {
- DefineConstBuffers(*this, info, &UniformDefinitions::U8, binding, U8, 'u', sizeof(u8));
- DefineConstBuffers(*this, info, &UniformDefinitions::S8, binding, S8, 's', sizeof(s8));
- } else {
- types |= IR::Type::U32;
- }
- }
- if (True(types & IR::Type::U16)) {
- if (profile.support_int16) {
- DefineConstBuffers(*this, info, &UniformDefinitions::U16, binding, U16, 'u',
- sizeof(u16));
- DefineConstBuffers(*this, info, &UniformDefinitions::S16, binding, S16, 's',
- sizeof(s16));
- } else {
- types |= IR::Type::U32;
- }
- }
- if (True(types & IR::Type::U32)) {
- DefineConstBuffers(*this, info, &UniformDefinitions::U32, binding, U32[1], 'u',
- sizeof(u32));
- }
- if (True(types & IR::Type::F32)) {
- DefineConstBuffers(*this, info, &UniformDefinitions::F32, binding, F32[1], 'f',
- sizeof(f32));
- }
- if (True(types & IR::Type::U32x2)) {
- DefineConstBuffers(*this, info, &UniformDefinitions::U32x2, binding, U32[2], 'u',
- sizeof(u32[2]));
- }
- binding += static_cast<u32>(info.constant_buffer_descriptors.size());
-}
-
-void EmitContext::DefineStorageBuffers(const Info& info, u32& binding) {
- if (info.storage_buffers_descriptors.empty()) {
- return;
- }
- AddExtension("SPV_KHR_storage_buffer_storage_class");
-
- const IR::Type used_types{profile.support_descriptor_aliasing ? info.used_storage_buffer_types
- : IR::Type::U32};
- if (profile.support_int8 && True(used_types & IR::Type::U8)) {
- DefineSsbos(*this, storage_types.U8, &StorageDefinitions::U8, info, binding, U8,
- sizeof(u8));
- DefineSsbos(*this, storage_types.S8, &StorageDefinitions::S8, info, binding, S8,
- sizeof(u8));
- }
- if (profile.support_int16 && True(used_types & IR::Type::U16)) {
- DefineSsbos(*this, storage_types.U16, &StorageDefinitions::U16, info, binding, U16,
- sizeof(u16));
- DefineSsbos(*this, storage_types.S16, &StorageDefinitions::S16, info, binding, S16,
- sizeof(u16));
- }
- if (True(used_types & IR::Type::U32)) {
- DefineSsbos(*this, storage_types.U32, &StorageDefinitions::U32, info, binding, U32[1],
- sizeof(u32));
- }
- if (True(used_types & IR::Type::F32)) {
- DefineSsbos(*this, storage_types.F32, &StorageDefinitions::F32, info, binding, F32[1],
- sizeof(f32));
- }
- if (True(used_types & IR::Type::U64)) {
- DefineSsbos(*this, storage_types.U64, &StorageDefinitions::U64, info, binding, U64,
- sizeof(u64));
- }
- if (True(used_types & IR::Type::U32x2)) {
- DefineSsbos(*this, storage_types.U32x2, &StorageDefinitions::U32x2, info, binding, U32[2],
- sizeof(u32[2]));
- }
- if (True(used_types & IR::Type::U32x4)) {
- DefineSsbos(*this, storage_types.U32x4, &StorageDefinitions::U32x4, info, binding, U32[4],
- sizeof(u32[4]));
- }
- for (const StorageBufferDescriptor& desc : info.storage_buffers_descriptors) {
- binding += desc.count;
- }
- const bool needs_function{
- info.uses_global_increment || info.uses_global_decrement || info.uses_atomic_f32_add ||
- info.uses_atomic_f16x2_add || info.uses_atomic_f16x2_min || info.uses_atomic_f16x2_max ||
- info.uses_atomic_f32x2_add || info.uses_atomic_f32x2_min || info.uses_atomic_f32x2_max};
- if (needs_function) {
- AddCapability(spv::Capability::VariablePointersStorageBuffer);
- }
- if (info.uses_global_increment) {
- increment_cas_ssbo = CasLoop(*this, Operation::Increment, storage_types.U32.array,
- storage_types.U32.element, U32[1], U32[1], spv::Scope::Device);
- }
- if (info.uses_global_decrement) {
- decrement_cas_ssbo = CasLoop(*this, Operation::Decrement, storage_types.U32.array,
- storage_types.U32.element, U32[1], U32[1], spv::Scope::Device);
- }
- if (info.uses_atomic_f32_add) {
- f32_add_cas = CasLoop(*this, Operation::FPAdd, storage_types.U32.array,
- storage_types.U32.element, F32[1], U32[1], spv::Scope::Device);
- }
- if (info.uses_atomic_f16x2_add) {
- f16x2_add_cas = CasLoop(*this, Operation::FPAdd, storage_types.U32.array,
- storage_types.U32.element, F16[2], F16[2], spv::Scope::Device);
- }
- if (info.uses_atomic_f16x2_min) {
- f16x2_min_cas = CasLoop(*this, Operation::FPMin, storage_types.U32.array,
- storage_types.U32.element, F16[2], F16[2], spv::Scope::Device);
- }
- if (info.uses_atomic_f16x2_max) {
- f16x2_max_cas = CasLoop(*this, Operation::FPMax, storage_types.U32.array,
- storage_types.U32.element, F16[2], F16[2], spv::Scope::Device);
- }
- if (info.uses_atomic_f32x2_add) {
- f32x2_add_cas = CasLoop(*this, Operation::FPAdd, storage_types.U32.array,
- storage_types.U32.element, F32[2], F32[2], spv::Scope::Device);
- }
- if (info.uses_atomic_f32x2_min) {
- f32x2_min_cas = CasLoop(*this, Operation::FPMin, storage_types.U32.array,
- storage_types.U32.element, F32[2], F32[2], spv::Scope::Device);
- }
- if (info.uses_atomic_f32x2_max) {
- f32x2_max_cas = CasLoop(*this, Operation::FPMax, storage_types.U32.array,
- storage_types.U32.element, F32[2], F32[2], spv::Scope::Device);
- }
-}
-
-void EmitContext::DefineTextureBuffers(const Info& info, u32& binding) {
- if (info.texture_buffer_descriptors.empty()) {
- return;
- }
- const spv::ImageFormat format{spv::ImageFormat::Unknown};
- image_buffer_type = TypeImage(F32[1], spv::Dim::Buffer, 0U, false, false, 1, format);
- sampled_texture_buffer_type = TypeSampledImage(image_buffer_type);
-
- const Id type{TypePointer(spv::StorageClass::UniformConstant, sampled_texture_buffer_type)};
- texture_buffers.reserve(info.texture_buffer_descriptors.size());
- for (const TextureBufferDescriptor& desc : info.texture_buffer_descriptors) {
- if (desc.count != 1) {
- throw NotImplementedException("Array of texture buffers");
- }
- const Id id{AddGlobalVariable(type, spv::StorageClass::UniformConstant)};
- Decorate(id, spv::Decoration::Binding, binding);
- Decorate(id, spv::Decoration::DescriptorSet, 0U);
- Name(id, NameOf(stage, desc, "texbuf"));
- texture_buffers.push_back({
- .id = id,
- .count = desc.count,
- });
- if (profile.supported_spirv >= 0x00010400) {
- interfaces.push_back(id);
- }
- ++binding;
- }
-}
-
-void EmitContext::DefineImageBuffers(const Info& info, u32& binding) {
- image_buffers.reserve(info.image_buffer_descriptors.size());
- for (const ImageBufferDescriptor& desc : info.image_buffer_descriptors) {
- if (desc.count != 1) {
- throw NotImplementedException("Array of image buffers");
- }
- const spv::ImageFormat format{GetImageFormat(desc.format)};
- const Id image_type{TypeImage(U32[1], spv::Dim::Buffer, false, false, false, 2, format)};
- const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, image_type)};
- const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant)};
- Decorate(id, spv::Decoration::Binding, binding);
- Decorate(id, spv::Decoration::DescriptorSet, 0U);
- Name(id, NameOf(stage, desc, "imgbuf"));
- image_buffers.push_back({
- .id = id,
- .image_type = image_type,
- .count = desc.count,
- });
- if (profile.supported_spirv >= 0x00010400) {
- interfaces.push_back(id);
- }
- ++binding;
- }
-}
-
-void EmitContext::DefineTextures(const Info& info, u32& binding, u32& scaling_index) {
- textures.reserve(info.texture_descriptors.size());
- for (const TextureDescriptor& desc : info.texture_descriptors) {
- const Id image_type{ImageType(*this, desc)};
- const Id sampled_type{TypeSampledImage(image_type)};
- const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, sampled_type)};
- const Id desc_type{DescType(*this, sampled_type, pointer_type, desc.count)};
- const Id id{AddGlobalVariable(desc_type, spv::StorageClass::UniformConstant)};
- Decorate(id, spv::Decoration::Binding, binding);
- Decorate(id, spv::Decoration::DescriptorSet, 0U);
- Name(id, NameOf(stage, desc, "tex"));
- textures.push_back({
- .id = id,
- .sampled_type = sampled_type,
- .pointer_type = pointer_type,
- .image_type = image_type,
- .count = desc.count,
- });
- if (profile.supported_spirv >= 0x00010400) {
- interfaces.push_back(id);
- }
- ++binding;
- ++scaling_index;
- }
- if (info.uses_atomic_image_u32) {
- image_u32 = TypePointer(spv::StorageClass::Image, U32[1]);
- }
-}
-
-void EmitContext::DefineImages(const Info& info, u32& binding, u32& scaling_index) {
- images.reserve(info.image_descriptors.size());
- for (const ImageDescriptor& desc : info.image_descriptors) {
- if (desc.count != 1) {
- throw NotImplementedException("Array of images");
- }
- const Id image_type{ImageType(*this, desc)};
- const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, image_type)};
- const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant)};
- Decorate(id, spv::Decoration::Binding, binding);
- Decorate(id, spv::Decoration::DescriptorSet, 0U);
- Name(id, NameOf(stage, desc, "img"));
- images.push_back({
- .id = id,
- .image_type = image_type,
- .count = desc.count,
- });
- if (profile.supported_spirv >= 0x00010400) {
- interfaces.push_back(id);
- }
- ++binding;
- ++scaling_index;
- }
-}
-
-void EmitContext::DefineInputs(const IR::Program& program) {
- const Info& info{program.info};
- const VaryingState loads{info.loads.mask | info.passthrough.mask};
-
- if (info.uses_workgroup_id) {
- workgroup_id = DefineInput(*this, U32[3], false, spv::BuiltIn::WorkgroupId);
- }
- if (info.uses_local_invocation_id) {
- local_invocation_id = DefineInput(*this, U32[3], false, spv::BuiltIn::LocalInvocationId);
- }
- if (info.uses_invocation_id) {
- invocation_id = DefineInput(*this, U32[1], false, spv::BuiltIn::InvocationId);
- }
- if (info.uses_sample_id) {
- sample_id = DefineInput(*this, U32[1], false, spv::BuiltIn::SampleId);
- }
- if (info.uses_is_helper_invocation) {
- is_helper_invocation = DefineInput(*this, U1, false, spv::BuiltIn::HelperInvocation);
- }
- if (info.uses_subgroup_mask) {
- subgroup_mask_eq = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupEqMaskKHR);
- subgroup_mask_lt = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLtMaskKHR);
- subgroup_mask_le = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupLeMaskKHR);
- subgroup_mask_gt = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGtMaskKHR);
- subgroup_mask_ge = DefineInput(*this, U32[4], false, spv::BuiltIn::SubgroupGeMaskKHR);
- }
- if (info.uses_subgroup_invocation_id || info.uses_subgroup_shuffles ||
- (profile.warp_size_potentially_larger_than_guest &&
- (info.uses_subgroup_vote || info.uses_subgroup_mask))) {
- subgroup_local_invocation_id =
- DefineInput(*this, U32[1], false, spv::BuiltIn::SubgroupLocalInvocationId);
- }
- if (info.uses_fswzadd) {
- const Id f32_one{Const(1.0f)};
- const Id f32_minus_one{Const(-1.0f)};
- const Id f32_zero{Const(0.0f)};
- fswzadd_lut_a = ConstantComposite(F32[4], f32_minus_one, f32_one, f32_minus_one, f32_zero);
- fswzadd_lut_b =
- ConstantComposite(F32[4], f32_minus_one, f32_minus_one, f32_one, f32_minus_one);
- }
- if (loads[IR::Attribute::PrimitiveId]) {
- primitive_id = DefineInput(*this, U32[1], false, spv::BuiltIn::PrimitiveId);
- }
- if (loads.AnyComponent(IR::Attribute::PositionX)) {
- const bool is_fragment{stage != Stage::Fragment};
- const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::Position : spv::BuiltIn::FragCoord};
- input_position = DefineInput(*this, F32[4], true, built_in);
- if (profile.support_geometry_shader_passthrough) {
- if (info.passthrough.AnyComponent(IR::Attribute::PositionX)) {
- Decorate(input_position, spv::Decoration::PassthroughNV);
- }
- }
- }
- if (loads[IR::Attribute::InstanceId]) {
- if (profile.support_vertex_instance_id) {
- instance_id = DefineInput(*this, U32[1], true, spv::BuiltIn::InstanceId);
- } else {
- instance_index = DefineInput(*this, U32[1], true, spv::BuiltIn::InstanceIndex);
- base_instance = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseInstance);
- }
- }
- if (loads[IR::Attribute::VertexId]) {
- if (profile.support_vertex_instance_id) {
- vertex_id = DefineInput(*this, U32[1], true, spv::BuiltIn::VertexId);
- } else {
- vertex_index = DefineInput(*this, U32[1], true, spv::BuiltIn::VertexIndex);
- base_vertex = DefineInput(*this, U32[1], true, spv::BuiltIn::BaseVertex);
- }
- }
- if (loads[IR::Attribute::FrontFace]) {
- front_face = DefineInput(*this, U1, true, spv::BuiltIn::FrontFacing);
- }
- if (loads[IR::Attribute::PointSpriteS] || loads[IR::Attribute::PointSpriteT]) {
- point_coord = DefineInput(*this, F32[2], true, spv::BuiltIn::PointCoord);
- }
- if (loads[IR::Attribute::TessellationEvaluationPointU] ||
- loads[IR::Attribute::TessellationEvaluationPointV]) {
- tess_coord = DefineInput(*this, F32[3], false, spv::BuiltIn::TessCoord);
- }
- std::bitset<IR::NUM_GENERICS> used_locations{};
- for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
- const AttributeType input_type{runtime_info.generic_input_types[index]};
- if (!runtime_info.previous_stage_stores.Generic(index)) {
- continue;
- }
- if (!loads.Generic(index)) {
- continue;
- }
- if (input_type == AttributeType::Disabled) {
- continue;
- }
- used_locations.set(index);
- const Id type{GetAttributeType(*this, input_type)};
- const Id id{DefineInput(*this, type, true)};
- Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
- Name(id, fmt::format("in_attr{}", index));
- input_generics[index] = id;
-
- if (info.passthrough.Generic(index) && profile.support_geometry_shader_passthrough) {
- Decorate(id, spv::Decoration::PassthroughNV);
- }
- if (stage != Stage::Fragment) {
- continue;
- }
- switch (info.interpolation[index]) {
- case Interpolation::Smooth:
- // Default
- // Decorate(id, spv::Decoration::Smooth);
- break;
- case Interpolation::NoPerspective:
- Decorate(id, spv::Decoration::NoPerspective);
- break;
- case Interpolation::Flat:
- Decorate(id, spv::Decoration::Flat);
- break;
- }
- }
- size_t previous_unused_location = 0;
- if (loads.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
- input_front_color = DefineLegacyInput(*this, used_locations, previous_unused_location);
- }
- if (loads.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
- input_front_secondary_color =
- DefineLegacyInput(*this, used_locations, previous_unused_location);
- }
- if (loads.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
- input_back_color = DefineLegacyInput(*this, used_locations, previous_unused_location);
- }
- if (loads.AnyComponent(IR::Attribute::ColorBackSpecularR)) {
- input_back_secondary_color =
- DefineLegacyInput(*this, used_locations, previous_unused_location);
- }
- if (loads.AnyComponent(IR::Attribute::FogCoordinate)) {
- input_fog_frag_coord = DefineLegacyInput(*this, used_locations, previous_unused_location);
- }
- for (size_t index = 0; index < NUM_FIXEDFNCTEXTURE; ++index) {
- if (loads.AnyComponent(IR::Attribute::FixedFncTexture0S + index * 4)) {
- input_fixed_fnc_textures[index] =
- DefineLegacyInput(*this, used_locations, previous_unused_location);
- }
- }
- if (stage == Stage::TessellationEval) {
- for (size_t index = 0; index < info.uses_patches.size(); ++index) {
- if (!info.uses_patches[index]) {
- continue;
- }
- const Id id{DefineInput(*this, F32[4], false)};
- Decorate(id, spv::Decoration::Patch);
- Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
- patches[index] = id;
- }
- }
-}
-
-void EmitContext::DefineOutputs(const IR::Program& program) {
- const Info& info{program.info};
- const std::optional<u32> invocations{program.invocations};
- if (info.stores.AnyComponent(IR::Attribute::PositionX) || stage == Stage::VertexB) {
- output_position = DefineOutput(*this, F32[4], invocations, spv::BuiltIn::Position);
- }
- if (info.stores[IR::Attribute::PointSize] || runtime_info.fixed_state_point_size) {
- if (stage == Stage::Fragment) {
- throw NotImplementedException("Storing PointSize in fragment stage");
- }
- output_point_size = DefineOutput(*this, F32[1], invocations, spv::BuiltIn::PointSize);
- }
- if (info.stores.ClipDistances()) {
- if (stage == Stage::Fragment) {
- throw NotImplementedException("Storing ClipDistance in fragment stage");
- }
- const Id type{TypeArray(F32[1], Const(8U))};
- clip_distances = DefineOutput(*this, type, invocations, spv::BuiltIn::ClipDistance);
- }
- if (info.stores[IR::Attribute::Layer] &&
- (profile.support_viewport_index_layer_non_geometry || stage == Stage::Geometry)) {
- if (stage == Stage::Fragment) {
- throw NotImplementedException("Storing Layer in fragment stage");
- }
- layer = DefineOutput(*this, U32[1], invocations, spv::BuiltIn::Layer);
- }
- if (info.stores[IR::Attribute::ViewportIndex] &&
- (profile.support_viewport_index_layer_non_geometry || stage == Stage::Geometry)) {
- if (stage == Stage::Fragment) {
- throw NotImplementedException("Storing ViewportIndex in fragment stage");
- }
- viewport_index = DefineOutput(*this, U32[1], invocations, spv::BuiltIn::ViewportIndex);
- }
- if (info.stores[IR::Attribute::ViewportMask] && profile.support_viewport_mask) {
- viewport_mask = DefineOutput(*this, TypeArray(U32[1], Const(1u)), std::nullopt,
- spv::BuiltIn::ViewportMaskNV);
- }
- std::bitset<IR::NUM_GENERICS> used_locations{};
- for (size_t index = 0; index < IR::NUM_GENERICS; ++index) {
- if (info.stores.Generic(index)) {
- DefineGenericOutput(*this, index, invocations);
- used_locations.set(index);
- }
- }
- size_t previous_unused_location = 0;
- if (info.stores.AnyComponent(IR::Attribute::ColorFrontDiffuseR)) {
- output_front_color =
- DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
- }
- if (info.stores.AnyComponent(IR::Attribute::ColorFrontSpecularR)) {
- output_front_secondary_color =
- DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
- }
- if (info.stores.AnyComponent(IR::Attribute::ColorBackDiffuseR)) {
- output_back_color =
- DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
- }
- if (info.stores.AnyComponent(IR::Attribute::ColorBackSpecularR)) {
- output_back_secondary_color =
- DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
- }
- if (info.stores.AnyComponent(IR::Attribute::FogCoordinate)) {
- output_fog_frag_coord =
- DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
- }
- for (size_t index = 0; index < NUM_FIXEDFNCTEXTURE; ++index) {
- if (info.stores.AnyComponent(IR::Attribute::FixedFncTexture0S + index * 4)) {
- output_fixed_fnc_textures[index] =
- DefineLegacyOutput(*this, used_locations, previous_unused_location, invocations);
- }
- }
- switch (stage) {
- case Stage::TessellationControl:
- if (info.stores_tess_level_outer) {
- const Id type{TypeArray(F32[1], Const(4U))};
- output_tess_level_outer =
- DefineOutput(*this, type, std::nullopt, spv::BuiltIn::TessLevelOuter);
- Decorate(output_tess_level_outer, spv::Decoration::Patch);
- }
- if (info.stores_tess_level_inner) {
- const Id type{TypeArray(F32[1], Const(2U))};
- output_tess_level_inner =
- DefineOutput(*this, type, std::nullopt, spv::BuiltIn::TessLevelInner);
- Decorate(output_tess_level_inner, spv::Decoration::Patch);
- }
- for (size_t index = 0; index < info.uses_patches.size(); ++index) {
- if (!info.uses_patches[index]) {
- continue;
- }
- const Id id{DefineOutput(*this, F32[4], std::nullopt)};
- Decorate(id, spv::Decoration::Patch);
- Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
- patches[index] = id;
- }
- break;
- case Stage::Fragment:
- for (u32 index = 0; index < 8; ++index) {
- if (!info.stores_frag_color[index] && !profile.need_declared_frag_colors) {
- continue;
- }
- frag_color[index] = DefineOutput(*this, F32[4], std::nullopt);
- Decorate(frag_color[index], spv::Decoration::Location, index);
- Name(frag_color[index], fmt::format("frag_color{}", index));
- }
- if (info.stores_frag_depth) {
- frag_depth = DefineOutput(*this, F32[1], std::nullopt);
- Decorate(frag_depth, spv::Decoration::BuiltIn, spv::BuiltIn::FragDepth);
- }
- if (info.stores_sample_mask) {
- sample_mask = DefineOutput(*this, U32[1], std::nullopt);
- Decorate(sample_mask, spv::Decoration::BuiltIn, spv::BuiltIn::SampleMask);
- }
- break;
- default:
- break;
- }
-}
-
-} // namespace Shader::Backend::SPIRV
--
cgit v1.2.3-70-g09d2