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rescaling_pass: Scale ImageFetch offset if it exists

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Plus some code deduplication
This commit is contained in:
ameerj 2021-09-28 21:29:17 -04:00 committed by Fernando Sahmkow
parent dd66384451
commit 276565973f
1 changed files with 48 additions and 70 deletions
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118
src/shader_recompiler/ir_opt/rescaling_pass.cpp
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@ -137,21 +137,50 @@ void PatchImageQueryDimensions(IR::Block& block, IR::Inst& inst) {
}
}
void ScaleIntegerCoord(IR::IREmitter& ir, IR::Inst& inst, const IR::U1& is_scaled) {
void ScaleIntegerComposite(IR::IREmitter& ir, IR::Inst& inst, const IR::U1& is_scaled,
size_t index) {
const IR::Value composite{inst.Arg(index)};
if (composite.IsEmpty()) {
return;
}
const auto info{inst.Flags<IR::TextureInstInfo>()};
const IR::Value coord{inst.Arg(1)};
const IR::U32 x{Scale(ir, is_scaled, IR::U32{ir.CompositeExtract(composite, 0)})};
const IR::U32 y{Scale(ir, is_scaled, IR::U32{ir.CompositeExtract(composite, 1)})};
switch (info.type) {
case TextureType::Color2D: {
const IR::U32 x{Scale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 0)})};
const IR::U32 y{Scale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 1)})};
inst.SetArg(1, ir.CompositeConstruct(x, y));
case TextureType::Color2D:
inst.SetArg(index, ir.CompositeConstruct(x, y));
break;
case TextureType::ColorArray2D: {
const IR::U32 z{ir.CompositeExtract(composite, 2)};
inst.SetArg(index, ir.CompositeConstruct(x, y, z));
break;
}
case TextureType::Color1D:
case TextureType::ColorArray1D:
case TextureType::Color3D:
case TextureType::ColorCube:
case TextureType::ColorArrayCube:
case TextureType::Buffer:
// Nothing to patch here
break;
}
}
void SubScaleCoord(IR::IREmitter& ir, IR::Inst& inst, const IR::U1& is_scaled) {
const auto info{inst.Flags<IR::TextureInstInfo>()};
const IR::Value coord{inst.Arg(1)};
const IR::U32 coord_x{ir.CompositeExtract(coord, 0)};
const IR::U32 coord_y{ir.CompositeExtract(coord, 1)};
const IR::U32 scaled_x{SubScale(ir, is_scaled, coord_x, IR::Attribute::PositionX)};
const IR::U32 scaled_y{SubScale(ir, is_scaled, coord_y, IR::Attribute::PositionY)};
switch (info.type) {
case TextureType::Color2D:
inst.SetArg(1, ir.CompositeConstruct(scaled_x, scaled_y));
break;
case TextureType::ColorArray2D: {
const IR::U32 x{Scale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 0)})};
const IR::U32 y{Scale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 1)})};
const IR::U32 z{ir.CompositeExtract(coord, 2)};
inst.SetArg(1, ir.CompositeConstruct(x, y, z));
inst.SetArg(1, ir.CompositeConstruct(scaled_x, scaled_y, z));
break;
}
case TextureType::Color1D:
@ -169,87 +198,36 @@ void SubScaleImageFetch(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
const auto info{inst.Flags<IR::TextureInstInfo>()};
const IR::U1 is_scaled{ir.IsTextureScaled(ir.Imm32(info.descriptor_index))};
const IR::Value coord{inst.Arg(1)};
switch (info.type) {
case TextureType::Color2D: {
const IR::U32 x{SubScale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 0)},
IR::Attribute::PositionX)};
const IR::U32 y{SubScale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 1)},
IR::Attribute::PositionY)};
inst.SetArg(1, ir.CompositeConstruct(x, y));
break;
}
case TextureType::ColorArray2D: {
const IR::U32 x{SubScale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 0)},
IR::Attribute::PositionX)};
const IR::U32 y{SubScale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 1)},
IR::Attribute::PositionY)};
const IR::U32 z{ir.CompositeExtract(coord, 2)};
inst.SetArg(1, ir.CompositeConstruct(x, y, z));
break;
}
case TextureType::Color1D:
case TextureType::ColorArray1D:
case TextureType::Color3D:
case TextureType::ColorCube:
case TextureType::ColorArrayCube:
case TextureType::Buffer:
// Nothing to patch here
break;
}
SubScaleCoord(ir, inst, is_scaled);
// Scale ImageFetch offset
ScaleIntegerComposite(ir, inst, is_scaled, 2);
}
void SubScaleImageRead(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
const auto info{inst.Flags<IR::TextureInstInfo>()};
const IR::U1 is_scaled{ir.IsImageScaled(ir.Imm32(info.descriptor_index))};
const IR::Value coord{inst.Arg(1)};
switch (info.type) {
case TextureType::Color2D: {
const IR::U32 x{SubScale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 0)},
IR::Attribute::PositionX)};
const IR::U32 y{SubScale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 1)},
IR::Attribute::PositionY)};
inst.SetArg(1, ir.CompositeConstruct(x, y));
break;
}
case TextureType::ColorArray2D: {
const IR::U32 x{SubScale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 0)},
IR::Attribute::PositionX)};
const IR::U32 y{SubScale(ir, is_scaled, IR::U32{ir.CompositeExtract(coord, 1)},
IR::Attribute::PositionY)};
const IR::U32 z{ir.CompositeExtract(coord, 2)};
inst.SetArg(1, ir.CompositeConstruct(x, y, z));
break;
}
case TextureType::Color1D:
case TextureType::ColorArray1D:
case TextureType::Color3D:
case TextureType::ColorCube:
case TextureType::ColorArrayCube:
case TextureType::Buffer:
// Nothing to patch here
break;
}
SubScaleCoord(ir, inst, is_scaled);
}
void PatchImageFetch(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
const auto info{inst.Flags<IR::TextureInstInfo>()};
const IR::U1 is_scaled{ir.IsTextureScaled(ir.Imm32(info.descriptor_index))};
ScaleIntegerCoord(ir, inst, is_scaled);
ScaleIntegerComposite(ir, inst, is_scaled, 1);
// Scale ImageFetch offset
ScaleIntegerComposite(ir, inst, is_scaled, 2);
}
void PatchImageRead(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
const auto info{inst.Flags<IR::TextureInstInfo>()};
const IR::U1 is_scaled{ir.IsImageScaled(ir.Imm32(info.descriptor_index))};
ScaleIntegerCoord(ir, inst, is_scaled);
ScaleIntegerComposite(ir, inst, is_scaled, 1);
}
void Visit(const IR::Program& program, IR::Block& block, IR::Inst& inst) {
const bool is_fragment_shader{program.stage == Stage::Fragment};
const bool is_compute_shader{program.stage == Stage::Compute};
switch (inst.GetOpcode()) {
case IR::Opcode::GetAttribute: {
const IR::Attribute attr{inst.Arg(0).Attribute()};
@ -271,14 +249,14 @@ void Visit(const IR::Program& program, IR::Block& block, IR::Inst& inst) {
case IR::Opcode::ImageFetch:
if (is_fragment_shader) {
SubScaleImageFetch(block, inst);
} else if (is_compute_shader) {
} else {
PatchImageFetch(block, inst);
}
break;
case IR::Opcode::ImageRead:
if (is_fragment_shader) {
SubScaleImageRead(block, inst);
} else if (is_compute_shader) {
} else {
PatchImageRead(block, inst);
}
break;