diff options
Diffstat (limited to 'src/shader_recompiler/ir_opt/texture_pass.cpp')
| -rw-r--r-- | src/shader_recompiler/ir_opt/texture_pass.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/shader_recompiler/ir_opt/texture_pass.cpp b/src/shader_recompiler/ir_opt/texture_pass.cpp index ca3e306e8..5cead5135 100644 --- a/src/shader_recompiler/ir_opt/texture_pass.cpp +++ b/src/shader_recompiler/ir_opt/texture_pass.cpp @@ -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; |