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video_code: support rectangle texture

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This commit is contained in:
FengChen 2022-08-10 10:10:32 +08:00
parent b1d61cd025
commit b2a6dde438
14 changed files with 62 additions and 15 deletions
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23
src/shader_recompiler/ir_opt/texture_pass.cpp
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@ -362,6 +362,21 @@ private:
TextureDescriptors& texture_descriptors;
ImageDescriptors& image_descriptors;
};
void PatchImageSampleImplicitLod(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::Value coord(inst.Arg(1));
const IR::Value handle(ir.Imm32(0));
const IR::U32 lod{ir.Imm32(0)};
const IR::Value texture_size = ir.ImageQueryDimension(handle, lod, info);
inst.SetArg(
1, ir.CompositeConstruct(
ir.FPMul(IR::F32(ir.CompositeExtract(coord, 0)),
ir.FPRecip(ir.ConvertUToF(32, 32, ir.CompositeExtract(texture_size, 0)))),
ir.FPMul(IR::F32(ir.CompositeExtract(coord, 1)),
ir.FPRecip(ir.ConvertUToF(32, 32, ir.CompositeExtract(texture_size, 1))))));
}
} // Anonymous namespace
void TexturePass(Environment& env, IR::Program& program) {
@ -399,6 +414,14 @@ void TexturePass(Environment& env, IR::Program& program) {
flags.type.Assign(ReadTextureType(env, cbuf));
inst->SetFlags(flags);
break;
case IR::Opcode::ImageSampleImplicitLod:
if (flags.type == TextureType::Color2D) {
auto texture_type = ReadTextureType(env, cbuf);
if (texture_type == TextureType::Color2DRect) {
PatchImageSampleImplicitLod(*texture_inst.block, *texture_inst.inst);
}
}
break;
case IR::Opcode::ImageFetch:
if (flags.type != TextureType::Color1D) {
break;