diff options
| -rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/load_store_attribute.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/load_store_attribute.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/load_store_attribute.cpp index 2922145ee..516ffec2d 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/load_store_attribute.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/load_store_attribute.cpp @@ -141,14 +141,16 @@ void TranslatorVisitor::IPA(u64 insn) { const IR::Attribute attribute{ipa.attribute}; IR::F32 value{ir.GetAttribute(attribute)}; if (IR::IsGeneric(attribute)) { - // const bool is_perspective{UnimplementedReadHeader(GenericAttributeIndex(attribute))}; - const bool is_perspective{false}; + const ProgramHeader& sph{env.SPH()}; + const u32 attr_index{IR::GenericAttributeIndex(attribute)}; + const u32 element{static_cast<u32>(attribute) % 4}; + const std::array input_map{sph.ps.GenericInputMap(attr_index)}; + const bool is_perspective{input_map[element] == Shader::PixelImap::Perspective}; if (is_perspective) { - const IR::F32 rcp_position_w{ir.FPRecip(ir.GetAttribute(IR::Attribute::PositionW))}; - value = ir.FPMul(value, rcp_position_w); + const IR::F32 position_w{ir.GetAttribute(IR::Attribute::PositionW)}; + value = ir.FPMul(value, position_w); } } - switch (ipa.interpolation_mode) { case InterpolationMode::Pass: break; |