Merge pull request #1254 from bunnei/ipa-saturate

gl_shader_decompiler: Implement saturate mode for IPA.
8 years ago · f94b4fa1c8
1 changed files with 5 additions and 1 deletions
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@ -2197,11 +2197,15 @@ private:
            case OpCode::Id::IPA: {
                const auto& attribute = instr.attribute.fmt28;
                const auto& reg = instr.gpr0;
-                ASSERT_MSG(instr.ipa.saturate == 0, "IPA saturate not implemented");
+
                Tegra::Shader::IpaMode input_mode{instr.ipa.interp_mode.Value(),
                                                  instr.ipa.sample_mode.Value()};
                regs.SetRegisterToInputAttibute(reg, attribute.element, attribute.index,
                                                input_mode);
+
+                if (instr.ipa.saturate) {
+                    regs.SetRegisterToFloat(reg, 0, regs.GetRegisterAsFloat(reg), 1, 1, true);
+                }
                break;
            }
            case OpCode::Id::SSY: {