From ef2d5ab0c1b75feb848f9987723edc35afb11ce6 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sun, 15 Apr 2018 20:59:37 -0400 Subject: gl_shader_decompiler: Implement several MUFU subops and abs_d. --- .../renderer_opengl/gl_shader_decompiler.cpp | 28 ++++++++++++++++------ 1 file changed, 21 insertions(+), 7 deletions(-) (limited to 'src/video_core') diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 1bb8174e4..8912d4c5e 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -241,12 +241,13 @@ private: * @param value the code representing the value to assign. */ void SetDest(u64 elem, const std::string& reg, const std::string& value, - u64 dest_num_components, u64 value_num_components) { + u64 dest_num_components, u64 value_num_components, bool is_abs = false) { std::string swizzle = "."; swizzle += "xyzw"[elem]; std::string dest = reg + (dest_num_components != 1 ? swizzle : ""); std::string src = "(" + value + ")" + (value_num_components != 1 ? swizzle : ""); + src = is_abs ? "abs(" + src + ")" : src; shader.AddLine(dest + " = " + src + ";"); } @@ -264,8 +265,6 @@ private: switch (OpCode::GetInfo(instr.opcode).type) { case OpCode::Type::Arithmetic: { - ASSERT_MSG(!instr.alu.abs_d, "unimplemented"); - std::string dest = GetRegister(instr.gpr0); std::string op_a = instr.alu.negate_a ? "-" : ""; op_a += GetRegister(instr.gpr8); @@ -304,8 +303,26 @@ private: } case OpCode::Id::MUFU: { switch (instr.sub_op) { + case SubOp::Cos: + SetDest(0, dest, "cos(" + op_a + ")", 1, 1, instr.alu.abs_d); + break; + case SubOp::Sin: + SetDest(0, dest, "sin(" + op_a + ")", 1, 1, instr.alu.abs_d); + break; + case SubOp::Ex2: + SetDest(0, dest, "exp2(" + op_a + ")", 1, 1, instr.alu.abs_d); + break; + case SubOp::Lg2: + SetDest(0, dest, "log2(" + op_a + ")", 1, 1, instr.alu.abs_d); + break; case SubOp::Rcp: - SetDest(0, dest, "1.0 / " + op_a, 1, 1); + SetDest(0, dest, "1.0 / " + op_a, 1, 1, instr.alu.abs_d); + break; + case SubOp::Rsq: + SetDest(0, dest, "inversesqrt(" + op_a + ")", 1, 1, instr.alu.abs_d); + break; + case SubOp::Min: + SetDest(0, dest, "min(" + op_a + "," + op_b + ")", 1, 1, instr.alu.abs_d); break; default: LOG_ERROR(HW_GPU, "Unhandled sub op: 0x%02x", (int)instr.sub_op.Value()); @@ -324,9 +341,6 @@ private: break; } case OpCode::Type::Ffma: { - ASSERT_MSG(!instr.ffma.negate_b, "untested"); - ASSERT_MSG(!instr.ffma.negate_c, "untested"); - std::string dest = GetRegister(instr.gpr0); std::string op_a = GetRegister(instr.gpr8); std::string op_b = instr.ffma.negate_b ? "-" : ""; -- cgit v1.2.3