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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <string_view>
#include "shader_recompiler/backend/glsl/emit_glsl_instructions.h"
#include "shader_recompiler/backend/glsl/glsl_emit_context.h"
#include "shader_recompiler/frontend/ir/value.h"
namespace Shader::Backend::GLSL {
namespace {
constexpr std::string_view SWIZZLE{"xyzw"};
void CompositeInsert(EmitContext& ctx, std::string_view result, std::string_view composite,
std::string_view object, u32 index) {
if (result == composite) {
// The result is aliased with the composite
ctx.Add("{}.{}={};", composite, SWIZZLE[index], object);
} else {
ctx.Add("{}={};{}.{}={};", result, composite, result, SWIZZLE[index], object);
}
}
} // Anonymous namespace
void EmitCompositeConstructU32x2(EmitContext& ctx, IR::Inst& inst, std::string_view e1,
std::string_view e2) {
ctx.AddU32x2("{}=uvec2({},{});", inst, e1, e2);
}
void EmitCompositeConstructU32x3(EmitContext& ctx, IR::Inst& inst, std::string_view e1,
std::string_view e2, std::string_view e3) {
ctx.AddU32x3("{}=uvec3({},{},{});", inst, e1, e2, e3);
}
void EmitCompositeConstructU32x4(EmitContext& ctx, IR::Inst& inst, std::string_view e1,
std::string_view e2, std::string_view e3, std::string_view e4) {
ctx.AddU32x4("{}=uvec4({},{},{},{});", inst, e1, e2, e3, e4);
}
void EmitCompositeExtractU32x2(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
u32 index) {
ctx.AddU32("{}={}.{};", inst, composite, SWIZZLE[index]);
}
void EmitCompositeExtractU32x3(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
u32 index) {
ctx.AddU32("{}={}.{};", inst, composite, SWIZZLE[index]);
}
void EmitCompositeExtractU32x4(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
u32 index) {
ctx.AddU32("{}={}.{};", inst, composite, SWIZZLE[index]);
}
void EmitCompositeInsertU32x2(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
std::string_view object, u32 index) {
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32x2)};
CompositeInsert(ctx, ret, composite, object, index);
}
void EmitCompositeInsertU32x3(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
std::string_view object, u32 index) {
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32x3)};
CompositeInsert(ctx, ret, composite, object, index);
}
void EmitCompositeInsertU32x4(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
std::string_view object, u32 index) {
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::U32x4)};
CompositeInsert(ctx, ret, composite, object, index);
}
void EmitCompositeConstructF16x2([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view e1,
[[maybe_unused]] std::string_view e2) {
NotImplemented();
}
void EmitCompositeConstructF16x3([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view e1,
[[maybe_unused]] std::string_view e2,
[[maybe_unused]] std::string_view e3) {
NotImplemented();
}
void EmitCompositeConstructF16x4([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view e1,
[[maybe_unused]] std::string_view e2,
[[maybe_unused]] std::string_view e3,
[[maybe_unused]] std::string_view e4) {
NotImplemented();
}
void EmitCompositeExtractF16x2([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view composite,
[[maybe_unused]] u32 index) {
NotImplemented();
}
void EmitCompositeExtractF16x3([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view composite,
[[maybe_unused]] u32 index) {
NotImplemented();
}
void EmitCompositeExtractF16x4([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view composite,
[[maybe_unused]] u32 index) {
NotImplemented();
}
void EmitCompositeInsertF16x2([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view composite,
[[maybe_unused]] std::string_view object,
[[maybe_unused]] u32 index) {
NotImplemented();
}
void EmitCompositeInsertF16x3([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view composite,
[[maybe_unused]] std::string_view object,
[[maybe_unused]] u32 index) {
NotImplemented();
}
void EmitCompositeInsertF16x4([[maybe_unused]] EmitContext& ctx,
[[maybe_unused]] std::string_view composite,
[[maybe_unused]] std::string_view object,
[[maybe_unused]] u32 index) {
NotImplemented();
}
void EmitCompositeConstructF32x2(EmitContext& ctx, IR::Inst& inst, std::string_view e1,
std::string_view e2) {
ctx.AddF32x2("{}=vec2({},{});", inst, e1, e2);
}
void EmitCompositeConstructF32x3(EmitContext& ctx, IR::Inst& inst, std::string_view e1,
std::string_view e2, std::string_view e3) {
ctx.AddF32x3("{}=vec3({},{},{});", inst, e1, e2, e3);
}
void EmitCompositeConstructF32x4(EmitContext& ctx, IR::Inst& inst, std::string_view e1,
std::string_view e2, std::string_view e3, std::string_view e4) {
ctx.AddF32x4("{}=vec4({},{},{},{});", inst, e1, e2, e3, e4);
}
void EmitCompositeExtractF32x2(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
u32 index) {
ctx.AddF32("{}={}.{};", inst, composite, SWIZZLE[index]);
}
void EmitCompositeExtractF32x3(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
u32 index) {
ctx.AddF32("{}={}.{};", inst, composite, SWIZZLE[index]);
}
void EmitCompositeExtractF32x4(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
u32 index) {
ctx.AddF32("{}={}.{};", inst, composite, SWIZZLE[index]);
}
void EmitCompositeInsertF32x2(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
std::string_view object, u32 index) {
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::F32x2)};
CompositeInsert(ctx, ret, composite, object, index);
}
void EmitCompositeInsertF32x3(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
std::string_view object, u32 index) {
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::F32x3)};
CompositeInsert(ctx, ret, composite, object, index);
}
void EmitCompositeInsertF32x4(EmitContext& ctx, IR::Inst& inst, std::string_view composite,
std::string_view object, u32 index) {
const auto ret{ctx.var_alloc.Define(inst, GlslVarType::F32x4)};
CompositeInsert(ctx, ret, composite, object, index);
}
void EmitCompositeConstructF64x2([[maybe_unused]] EmitContext& ctx) {
NotImplemented();
}
void EmitCompositeConstructF64x3([[maybe_unused]] EmitContext& ctx) {
NotImplemented();
}
void EmitCompositeConstructF64x4([[maybe_unused]] EmitContext& ctx) {
NotImplemented();
}
void EmitCompositeExtractF64x2([[maybe_unused]] EmitContext& ctx) {
NotImplemented();
}
void EmitCompositeExtractF64x3([[maybe_unused]] EmitContext& ctx) {
NotImplemented();
}
void EmitCompositeExtractF64x4([[maybe_unused]] EmitContext& ctx) {
NotImplemented();
}
void EmitCompositeInsertF64x2(EmitContext& ctx, std::string_view composite, std::string_view object,
u32 index) {
ctx.Add("{}.{}={};", composite, SWIZZLE[index], object);
}
void EmitCompositeInsertF64x3(EmitContext& ctx, std::string_view composite, std::string_view object,
u32 index) {
ctx.Add("{}.{}={};", composite, SWIZZLE[index], object);
}
void EmitCompositeInsertF64x4(EmitContext& ctx, std::string_view composite, std::string_view object,
u32 index) {
ctx.Add("{}.{}={};", composite, SWIZZLE[index], object);
}
} // namespace Shader::Backend::GLSL
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