diff options
Diffstat (limited to 'src/video_core/shader/decode/other.cpp')
| -rw-r--r-- | src/video_core/shader/decode/other.cpp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/video_core/shader/decode/other.cpp b/src/video_core/shader/decode/other.cpp index f9502e3d0..d750a2936 100644 --- a/src/video_core/shader/decode/other.cpp +++ b/src/video_core/shader/decode/other.cpp @@ -135,7 +135,18 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) { instr.ipa.sample_mode.Value()}; const Node attr = GetInputAttribute(attribute.index, attribute.element, input_mode); - const Node value = GetSaturatedFloat(attr, instr.ipa.saturate); + Node value = attr; + const Tegra::Shader::Attribute::Index index = attribute.index.Value(); + if (index >= Tegra::Shader::Attribute::Index::Attribute_0 && + index <= Tegra::Shader::Attribute::Index::Attribute_31) { + // TODO(Blinkhawk): There are cases where a perspective attribute use PASS. + // In theory by setting them as perspective, OpenGL does the perspective correction. + // A way must figured to reverse the last step of it. + if (input_mode.interpolation_mode == Tegra::Shader::IpaInterpMode::Multiply) { + value = Operation(OperationCode::FMul, PRECISE, value, GetRegister(instr.gpr20)); + } + } + value = GetSaturatedFloat(value, instr.ipa.saturate); SetRegister(bb, instr.gpr0, value); break; @@ -175,4 +186,4 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) { return pc; } -} // namespace VideoCommon::Shader
\ No newline at end of file +} // namespace VideoCommon::Shader |