diff options
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 896b6cd2c..3dffb205d 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -570,6 +570,59 @@ private: } break; } + case OpCode::Type::FloatSet: { + std::string dest = GetRegister(instr.gpr0); + std::string op_a = instr.fset.neg_a ? "-" : ""; + op_a += GetRegister(instr.gpr8); + + if (instr.fset.abs_a) { + op_a = "abs(" + op_a + ')'; + } + + std::string op_b = instr.fset.neg_b ? "-" : ""; + + if (instr.is_b_imm) { + std::string imm = GetImmediate19(instr); + if (instr.fset.neg_imm) + op_b += "(-" + imm + ')'; + else + op_b += imm; + } else { + if (instr.is_b_gpr) { + op_b += GetRegister(instr.gpr20); + } else { + op_b += GetUniform(instr.uniform); + } + } + + if (instr.fset.abs_b) { + op_b = "abs(" + op_b + ")"; + } + + using Tegra::Shader::Pred; + ASSERT_MSG(instr.fset.pred39 == static_cast<u64>(Pred::UnusedIndex), + "Compound predicates are not implemented"); + + // The fset instruction sets a register to 1.0 if the condition is true, and to 0 + // otherwise. + using Tegra::Shader::PredCondition; + switch (instr.fset.cond) { + case PredCondition::LessThan: + SetDest(0, dest, "((" + op_a + ") < (" + op_b + ")) ? 1.0 : 0", 1, 1); + break; + case PredCondition::Equal: + SetDest(0, dest, "((" + op_a + ") == (" + op_b + ")) ? 1.0 : 0", 1, 1); + break; + case PredCondition::GreaterThan: + SetDest(0, dest, "((" + op_a + ") > (" + op_b + ")) ? 1.0 : 0", 1, 1); + break; + default: + NGLOG_CRITICAL(HW_GPU, "Unhandled predicate condition: {} (a: {}, b: {})", + static_cast<unsigned>(instr.fset.cond.Value()), op_a, op_b); + UNREACHABLE(); + } + break; + } default: { switch (opcode->GetId()) { case OpCode::Id::EXIT: { |