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@ -14,6 +14,22 @@
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namespace Shader::Optimization {
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namespace {
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[[nodiscard]] bool IsTextureTypeRescalable(TextureType type) {
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switch (type) {
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case TextureType::Color2D:
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case TextureType::ColorArray2D:
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return true;
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case TextureType::Color1D:
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case TextureType::ColorArray1D:
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case TextureType::Color3D:
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case TextureType::ColorCube:
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case TextureType::ColorArrayCube:
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case TextureType::Buffer:
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break;
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}
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return false;
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}
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void VisitMark(const IR::Inst& inst) {
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switch (inst.GetOpcode()) {
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case IR::Opcode::ShuffleIndex:
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@ -179,6 +195,9 @@ void SubScaleCoord(IR::IREmitter& ir, IR::Inst& inst, const IR::U1& is_scaled) {
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void SubScaleImageFetch(IR::Block& block, IR::Inst& inst) {
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IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
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const auto info{inst.Flags<IR::TextureInstInfo>()};
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if (!IsTextureTypeRescalable(info.type)) {
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return;
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}
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const IR::U1 is_scaled{ir.IsTextureScaled(ir.Imm32(info.descriptor_index))};
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SubScaleCoord(ir, inst, is_scaled);
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// Scale ImageFetch offset
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@ -188,6 +207,9 @@ void SubScaleImageFetch(IR::Block& block, IR::Inst& inst) {
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void SubScaleImageRead(IR::Block& block, IR::Inst& inst) {
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IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
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const auto info{inst.Flags<IR::TextureInstInfo>()};
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if (!IsTextureTypeRescalable(info.type)) {
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return;
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}
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const IR::U1 is_scaled{ir.IsImageScaled(ir.Imm32(info.descriptor_index))};
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SubScaleCoord(ir, inst, is_scaled);
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}
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@ -195,6 +217,9 @@ void SubScaleImageRead(IR::Block& block, IR::Inst& inst) {
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void PatchImageFetch(IR::Block& block, IR::Inst& inst) {
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IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
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const auto info{inst.Flags<IR::TextureInstInfo>()};
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if (!IsTextureTypeRescalable(info.type)) {
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return;
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}
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const IR::U1 is_scaled{ir.IsTextureScaled(ir.Imm32(info.descriptor_index))};
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ScaleIntegerComposite(ir, inst, is_scaled, 1);
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// Scale ImageFetch offset
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@ -204,6 +229,9 @@ void PatchImageFetch(IR::Block& block, IR::Inst& inst) {
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void PatchImageRead(IR::Block& block, IR::Inst& inst) {
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IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
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const auto info{inst.Flags<IR::TextureInstInfo>()};
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if (!IsTextureTypeRescalable(info.type)) {
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return;
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}
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const IR::U1 is_scaled{ir.IsImageScaled(ir.Imm32(info.descriptor_index))};
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ScaleIntegerComposite(ir, inst, is_scaled, 1);
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}
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