gl_shader_decompiler: Rename control codes to condition codes

2 files changed, 50 insertions, 67 deletions

diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 83a6fd875..ee1710e8a 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -261,7 +261,7 @@ enum class FlowCondition : u64 {
     Fcsm_Tr = 0x1C, // TODO(bunnei): What is this used for?
 };
 
-enum class ControlCode : u64 {
+enum class ConditionCode : u64 {
     F = 0,
     LT = 1,
     EQ = 2,
@@ -569,7 +569,6 @@ union Instruction {
         BitField<39, 2, u64> tab5cb8_2;
         BitField<41, 3, u64> tab5c68_1;
         BitField<44, 2, u64> tab5c68_0;
-        BitField<47, 1, u64> cc;
         BitField<48, 1, u64> negate_b;
     } fmul;
 
@@ -831,7 +830,7 @@ union Instruction {
     union {
         BitField<0, 3, u64> pred0;
         BitField<3, 3, u64> pred3;
-        BitField<8, 5, ControlCode> cc; // flag in cc
+        BitField<8, 5, ConditionCode> cc; // flag in cc
         BitField<39, 3, u64> pred39;
         BitField<42, 1, u64> neg_pred39;
         BitField<45, 4, PredOperation> op; // op with pred39
@@ -1235,7 +1234,7 @@ union Instruction {
     BitField<60, 1, u64> is_b_gpr;
     BitField<59, 1, u64> is_c_gpr;
     BitField<20, 24, s64> smem_imm;
-    BitField<0, 5, ControlCode> flow_control_code;
+    BitField<0, 5, ConditionCode> flow_condition_code;
 
     Attribute attribute;
     Sampler sampler;
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 90a88b91a..91e844960 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -371,7 +371,7 @@ public:
         if (sets_cc) {
             const std::string zero_condition = "( " + ConvertIntegerSize(value, size) + " == 0 )";
             SetInternalFlag(InternalFlag::ZeroFlag, zero_condition);
-            LOG_WARNING(HW_GPU, "Control Codes Imcomplete.");
+            LOG_WARNING(HW_GPU, "Condition codes implementation is incomplete.");
         }
     }
 
@@ -454,12 +454,12 @@ public:
         shader.AddLine("lmem[" + index + "] = " + func + '(' + value + ");");
     }
 
-    std::string GetControlCode(const Tegra::Shader::ControlCode cc) const {
+    std::string GetConditionCode(const Tegra::Shader::ConditionCode cc) const {
         switch (cc) {
-        case Tegra::Shader::ControlCode::NEU:
+        case Tegra::Shader::ConditionCode::NEU:
             return "!(" + GetInternalFlag(InternalFlag::ZeroFlag) + ')';
         default:
-            UNIMPLEMENTED_MSG("Unimplemented Control Code: {}", static_cast<u32>(cc));
+            UNIMPLEMENTED_MSG("Unimplemented condition code: {}", static_cast<u32>(cc));
             return "false";
         }
     }
@@ -1508,9 +1508,7 @@ private:
                     instr.fmul.tab5c68_0 != 1, "FMUL tab5cb8_0({}) is not implemented",
                     instr.fmul.tab5c68_0
                         .Value()); // SMO typical sends 1 here which seems to be the default
-                UNIMPLEMENTED_IF_MSG(instr.fmul.cc != 0, "FMUL cc is not implemented");
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc,
-                                     "FMUL Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 op_b = GetOperandAbsNeg(op_b, false, instr.fmul.negate_b);
 
@@ -1521,8 +1519,7 @@ private:
             case OpCode::Id::FADD_C:
             case OpCode::Id::FADD_R:
             case OpCode::Id::FADD_IMM: {
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc,
-                                     "FADD Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 op_a = GetOperandAbsNeg(op_a, instr.alu.abs_a, instr.alu.negate_a);
                 op_b = GetOperandAbsNeg(op_b, instr.alu.abs_b, instr.alu.negate_b);
@@ -1571,8 +1568,7 @@ private:
             case OpCode::Id::FMNMX_C:
             case OpCode::Id::FMNMX_R:
             case OpCode::Id::FMNMX_IMM: {
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc,
-                                     "FMNMX Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 op_a = GetOperandAbsNeg(op_a, instr.alu.abs_a, instr.alu.negate_a);
                 op_b = GetOperandAbsNeg(op_b, instr.alu.abs_b, instr.alu.negate_b);
@@ -1608,8 +1604,7 @@ private:
                 break;
             }
             case OpCode::Id::FMUL32_IMM: {
-                UNIMPLEMENTED_IF_MSG(instr.op_32.generates_cc,
-                                     "FMUL32 Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.op_32.generates_cc);
 
                 regs.SetRegisterToFloat(instr.gpr0, 0,
                                         regs.GetRegisterAsFloat(instr.gpr8) + " * " +
@@ -1618,8 +1613,7 @@ private:
                 break;
             }
             case OpCode::Id::FADD32I: {
-                UNIMPLEMENTED_IF_MSG(instr.op_32.generates_cc,
-                                     "FADD32 Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.op_32.generates_cc);
 
                 std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
                 std::string op_b = GetImmediate32(instr);
@@ -1654,7 +1648,7 @@ private:
 
             switch (opcode->get().GetId()) {
             case OpCode::Id::BFE_IMM: {
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc, "BFE Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 std::string inner_shift =
                     '(' + op_a + " << " + std::to_string(instr.bfe.GetLeftShiftValue()) + ')';
@@ -1691,7 +1685,7 @@ private:
             case OpCode::Id::SHR_C:
             case OpCode::Id::SHR_R:
             case OpCode::Id::SHR_IMM: {
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc, "SHR Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 if (!instr.shift.is_signed) {
                     // Logical shift right
@@ -1706,8 +1700,7 @@ private:
             case OpCode::Id::SHL_C:
             case OpCode::Id::SHL_R:
             case OpCode::Id::SHL_IMM:
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc, "SHL Generates an unhandled Control Code");
-
+                UNIMPLEMENTED_IF(instr.generates_cc);
                 regs.SetRegisterToInteger(instr.gpr0, true, 0, op_a + " << " + op_b, 1, 1);
                 break;
             default: {
@@ -1722,8 +1715,7 @@ private:
 
             switch (opcode->get().GetId()) {
             case OpCode::Id::IADD32I:
-                UNIMPLEMENTED_IF_MSG(instr.op_32.generates_cc,
-                                     "IADD32 Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF_MSG(instr.op_32.generates_cc);
 
                 if (instr.iadd32i.negate_a)
                     op_a = "-(" + op_a + ')';
@@ -1732,8 +1724,7 @@ private:
                                           instr.iadd32i.saturate != 0);
                 break;
             case OpCode::Id::LOP32I: {
-                UNIMPLEMENTED_IF_MSG(instr.op_32.generates_cc,
-                                     "LOP32I Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.op_32.generates_cc);
 
                 if (instr.alu.lop32i.invert_a)
                     op_a = "~(" + op_a + ')';
@@ -1771,8 +1762,7 @@ private:
             case OpCode::Id::IADD_C:
             case OpCode::Id::IADD_R:
             case OpCode::Id::IADD_IMM: {
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc,
-                                     "IADD Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 if (instr.alu_integer.negate_a)
                     op_a = "-(" + op_a + ')';
@@ -1787,8 +1777,7 @@ private:
             case OpCode::Id::IADD3_C:
             case OpCode::Id::IADD3_R:
             case OpCode::Id::IADD3_IMM: {
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc,
-                                     "IADD3 Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 std::string op_c = regs.GetRegisterAsInteger(instr.gpr39);
 
@@ -1850,8 +1839,7 @@ private:
             case OpCode::Id::ISCADD_C:
             case OpCode::Id::ISCADD_R:
             case OpCode::Id::ISCADD_IMM: {
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc,
-                                     "ISCADD Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 if (instr.alu_integer.negate_a)
                     op_a = "-(" + op_a + ')';
@@ -1886,7 +1874,7 @@ private:
             case OpCode::Id::LOP_C:
             case OpCode::Id::LOP_R:
             case OpCode::Id::LOP_IMM: {
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc, "LOP Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 if (instr.alu.lop.invert_a)
                     op_a = "~(" + op_a + ')';
@@ -1901,8 +1889,7 @@ private:
             case OpCode::Id::LOP3_C:
             case OpCode::Id::LOP3_R:
             case OpCode::Id::LOP3_IMM: {
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc,
-                                     "LOP3 Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 const std::string op_c = regs.GetRegisterAsInteger(instr.gpr39);
                 std::string lut;
@@ -1920,8 +1907,7 @@ private:
             case OpCode::Id::IMNMX_R:
             case OpCode::Id::IMNMX_IMM: {
                 UNIMPLEMENTED_IF(instr.imnmx.exchange != Tegra::Shader::IMinMaxExchange::None);
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc,
-                                     "IMNMX Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 const std::string condition =
                     GetPredicateCondition(instr.imnmx.pred, instr.imnmx.negate_pred != 0);
@@ -2094,7 +2080,7 @@ private:
                 instr.ffma.tab5980_0.Value()); // Seems to be 1 by default based on SMO
             UNIMPLEMENTED_IF_MSG(instr.ffma.tab5980_1 != 0, "FFMA tab5980_1({}) not implemented",
                                  instr.ffma.tab5980_1.Value());
-            UNIMPLEMENTED_IF_MSG(instr.generates_cc, "FFMA Generates an unhandled Control Code");
+            UNIMPLEMENTED_IF(instr.generates_cc);
 
             switch (opcode->get().GetId()) {
             case OpCode::Id::FFMA_CR: {
@@ -2204,7 +2190,7 @@ private:
             case OpCode::Id::I2F_C: {
                 UNIMPLEMENTED_IF(instr.conversion.dest_size != Register::Size::Word);
                 UNIMPLEMENTED_IF(instr.conversion.selector);
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc, "I2F Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
 
                 std::string op_a{};
 
@@ -2234,7 +2220,7 @@ private:
             case OpCode::Id::F2F_R: {
                 UNIMPLEMENTED_IF(instr.conversion.dest_size != Register::Size::Word);
                 UNIMPLEMENTED_IF(instr.conversion.src_size != Register::Size::Word);
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc, "F2F Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
                 std::string op_a = regs.GetRegisterAsFloat(instr.gpr20);
 
                 if (instr.conversion.abs_a) {
@@ -2272,7 +2258,7 @@ private:
             case OpCode::Id::F2I_R:
             case OpCode::Id::F2I_C: {
                 UNIMPLEMENTED_IF(instr.conversion.src_size != Register::Size::Word);
-                UNIMPLEMENTED_IF_MSG(instr.generates_cc, "F2I Generates an unhandled Control Code");
+                UNIMPLEMENTED_IF(instr.generates_cc);
                 std::string op_a{};
 
                 if (instr.is_b_gpr) {
@@ -3083,7 +3069,7 @@ private:
             break;
         }
         case OpCode::Type::PredicateSetRegister: {
-            UNIMPLEMENTED_IF_MSG(instr.generates_cc, "PSET Generates an unhandled Control Code");
+            UNIMPLEMENTED_IF(instr.generates_cc);
 
             const std::string op_a =
                 GetPredicateCondition(instr.pset.pred12, instr.pset.neg_pred12 != 0);
@@ -3142,14 +3128,14 @@ private:
                 const std::string pred =
                     GetPredicateCondition(instr.csetp.pred39, instr.csetp.neg_pred39 != 0);
                 const std::string combiner = GetPredicateCombiner(instr.csetp.op);
-                const std::string control_code = regs.GetControlCode(instr.csetp.cc);
+                const std::string condition_code = regs.GetConditionCode(instr.csetp.cc);
                 if (instr.csetp.pred3 != static_cast<u64>(Pred::UnusedIndex)) {
                     SetPredicate(instr.csetp.pred3,
-                                 '(' + control_code + ") " + combiner + " (" + pred + ')');
+                                 '(' + condition_code + ") " + combiner + " (" + pred + ')');
                 }
                 if (instr.csetp.pred0 != static_cast<u64>(Pred::UnusedIndex)) {
                     SetPredicate(instr.csetp.pred0,
-                                 "!(" + control_code + ") " + combiner + " (" + pred + ')');
+                                 "!(" + condition_code + ") " + combiner + " (" + pred + ')');
                 }
                 break;
             }
@@ -3280,7 +3266,7 @@ private:
         case OpCode::Type::Xmad: {
             UNIMPLEMENTED_IF(instr.xmad.sign_a);
             UNIMPLEMENTED_IF(instr.xmad.sign_b);
-            UNIMPLEMENTED_IF_MSG(instr.generates_cc, "XMAD Generates an unhandled Control Code");
+            UNIMPLEMENTED_IF(instr.generates_cc);
 
             std::string op_a{regs.GetRegisterAsInteger(instr.gpr8, 0, instr.xmad.sign_a)};
             std::string op_b;
@@ -3372,9 +3358,9 @@ private:
         default: {
             switch (opcode->get().GetId()) {
             case OpCode::Id::EXIT: {
-                const Tegra::Shader::ControlCode cc = instr.flow_control_code;
-                UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ControlCode::T,
-                                     "EXIT Control Code used: {}", static_cast<u32>(cc));
+                const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
+                UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T,
+                                     "EXIT condition code used: {}", static_cast<u32>(cc));
 
                 if (stage == Maxwell3D::Regs::ShaderStage::Fragment) {
                     EmitFragmentOutputsWrite();
@@ -3406,9 +3392,9 @@ private:
             case OpCode::Id::KIL: {
                 UNIMPLEMENTED_IF(instr.flow.cond != Tegra::Shader::FlowCondition::Always);
 
-                const Tegra::Shader::ControlCode cc = instr.flow_control_code;
-                UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ControlCode::T,
-                                     "KIL Control Code used: {}", static_cast<u32>(cc));
+                const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
+                UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T,
+                                     "KIL condition code used: {}", static_cast<u32>(cc));
 
                 // Enclose "discard" in a conditional, so that GLSL compilation does not complain
                 // about unexecuted instructions that may follow this.
@@ -3470,9 +3456,9 @@ private:
                 UNIMPLEMENTED_IF_MSG(instr.bra.constant_buffer != 0,
                                      "BRA with constant buffers are not implemented");
 
-                const Tegra::Shader::ControlCode cc = instr.flow_control_code;
-                UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ControlCode::T,
-                                     "BRA Control Code used: {}", static_cast<u32>(cc));
+                const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
+                UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T,
+                                     "BRA condition code used: {}", static_cast<u32>(cc));
 
                 const u32 target = offset + instr.bra.GetBranchTarget();
                 shader.AddLine("{ jmp_to = " + std::to_string(target) + "u; break; }");
@@ -3515,9 +3501,9 @@ private:
                 break;
             }
             case OpCode::Id::SYNC: {
-                const Tegra::Shader::ControlCode cc = instr.flow_control_code;
-                UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ControlCode::T,
-                                     "SYNC Control Code used: {}", static_cast<u32>(cc));
+                const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
+                UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T,
+                                     "SYNC condition code used: {}", static_cast<u32>(cc));
 
                 // The SYNC opcode jumps to the address previously set by the SSY opcode
                 EmitPopFromFlowStack();
@@ -3525,10 +3511,10 @@ private:
             }
             case OpCode::Id::BRK: {
                 // The BRK opcode jumps to the address previously set by the PBK opcode
-                const Tegra::Shader::ControlCode cc = instr.flow_control_code;
-                if (cc != Tegra::Shader::ControlCode::T) {
-                    UNIMPLEMENTED_MSG("BRK Control Code used: {}", static_cast<u32>(cc));
-                }
+                const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
+                UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T,
+                                     "BRK condition code used: {}", static_cast<u32>(cc));
+
                 EmitPopFromFlowStack();
                 break;
             }
@@ -3539,6 +3525,8 @@ private:
                 break;
             }
             case OpCode::Id::VMAD: {
+                UNIMPLEMENTED_IF(instr.generates_cc);
+
                 const bool result_signed = instr.video.signed_a == 1 || instr.video.signed_b == 1;
                 const std::string op_a = GetVideoOperandA(instr);
                 const std::string op_b = GetVideoOperandB(instr);
@@ -3558,10 +3546,6 @@ private:
                 regs.SetRegisterToInteger(instr.gpr0, result_signed, 1, result, 1, 1,
                                           instr.vmad.saturate == 1, 0, Register::Size::Word,
                                           instr.vmad.cc);
-                if (instr.generates_cc) {
-                    UNIMPLEMENTED_MSG("VMAD Generates an unhandled Control Code");
-                }
-
                 break;
             }
             case OpCode::Id::VSETP: {