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shader: Properly blacklist and scale image loads

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This commit is contained in:
ReinUsesLisp 2021-08-01 02:26:02 -03:00 • committed by Fernando Sahmkow
parent 0100b5e700
commit 928ff21aae
5 changed files with 31 additions and 11 deletions
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22
src/shader_recompiler/ir_opt/rescaling_pass.cpp
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@ -84,10 +84,8 @@ void PatchImageQueryDimensions(IR::Block& block, IR::Inst& inst) {
}
}
void PatchImageFetch(IR::Block& block, IR::Inst& inst) {
IR::IREmitter ir{block, IR::Block::InstructionList::s_iterator_to(inst)};
void ScaleIntegerCoord(IR::IREmitter& ir, IR::Inst& inst, const IR::U1& is_scaled) {
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::Color1D:
@ -121,6 +119,21 @@ void PatchImageFetch(IR::Block& block, IR::Inst& inst) {
}
}
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);
}
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>()};
// TODO: Scale conditionally
const IR::U1 is_scaled{IR::Value{true}};
ScaleIntegerCoord(ir, inst, is_scaled);
}
void Visit(const IR::Program& program, IR::Block& block, IR::Inst& inst) {
const bool is_fragment_shader{program.stage == Stage::Fragment};
switch (inst.GetOpcode()) {
@ -144,6 +157,9 @@ void Visit(const IR::Program& program, IR::Block& block, IR::Inst& inst) {
case IR::Opcode::ImageFetch:
PatchImageFetch(block, inst);
break;
case IR::Opcode::ImageRead:
PatchImageRead(block, inst);
break;
default:
break;
}