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-rw-r--r--src/video_core/engines/shader_bytecode.h27
-rw-r--r--src/video_core/shader/decode/conversion.cpp69
2 files changed, 73 insertions, 23 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index fce9733b9..e5b4eadea 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -937,21 +937,34 @@ union Instruction {
} iset;
union {
- BitField<8, 2, Register::Size> dest_size;
- BitField<10, 2, Register::Size> src_size;
- BitField<12, 1, u64> is_output_signed;
- BitField<13, 1, u64> is_input_signed;
- BitField<41, 2, u64> selector;
+ BitField<41, 2, u64> selector; // i2i and i2f only
BitField<45, 1, u64> negate_a;
BitField<49, 1, u64> abs_a;
+ BitField<10, 2, Register::Size> src_size;
+ BitField<13, 1, u64> is_input_signed;
+ BitField<8, 2, Register::Size> dst_size;
+ BitField<12, 1, u64> is_output_signed;
+
+ union {
+ BitField<39, 2, u64> tab5cb8_2;
+ } i2f;
union {
BitField<39, 2, F2iRoundingOp> rounding;
} f2i;
union {
- BitField<39, 4, F2fRoundingOp> rounding;
+ BitField<8, 2, Register::Size> src_size;
+ BitField<10, 2, Register::Size> dst_size;
+ BitField<39, 4, u64> rounding;
+ // H0, H1 extract for F16 missing
+ BitField<41, 1, u64> selector; // Guessed as some games set it, TODO: reverse this value
+ F2fRoundingOp GetRoundingMode() const {
+ constexpr u64 rounding_mask = 0x0B;
+ return static_cast<F2fRoundingOp>(rounding.Value() & rounding_mask);
+ }
} f2f;
+
} conversion;
union {
@@ -1734,7 +1747,7 @@ private:
INST("0011100-00101---", Id::SHR_IMM, Type::Shift, "SHR_IMM"),
INST("0100110011100---", Id::I2I_C, Type::Conversion, "I2I_C"),
INST("0101110011100---", Id::I2I_R, Type::Conversion, "I2I_R"),
- INST("01110001-1000---", Id::I2I_IMM, Type::Conversion, "I2I_IMM"),
+ INST("0011101-11100---", Id::I2I_IMM, Type::Conversion, "I2I_IMM"),
INST("0100110010111---", Id::I2F_C, Type::Conversion, "I2F_C"),
INST("0101110010111---", Id::I2F_R, Type::Conversion, "I2F_R"),
INST("0011100-10111---", Id::I2F_IMM, Type::Conversion, "I2F_IMM"),
diff --git a/src/video_core/shader/decode/conversion.cpp b/src/video_core/shader/decode/conversion.cpp
index 55a6fbbf2..ba15b1115 100644
--- a/src/video_core/shader/decode/conversion.cpp
+++ b/src/video_core/shader/decode/conversion.cpp
@@ -18,13 +18,29 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) {
const auto opcode = OpCode::Decode(instr);
switch (opcode->get().GetId()) {
- case OpCode::Id::I2I_R: {
+ case OpCode::Id::I2I_R:
+ case OpCode::Id::I2I_C:
+ case OpCode::Id::I2I_IMM: {
UNIMPLEMENTED_IF(instr.conversion.selector);
+ UNIMPLEMENTED_IF(instr.conversion.dst_size != Register::Size::Word);
+ UNIMPLEMENTED_IF(instr.alu.saturate_d);
const bool input_signed = instr.conversion.is_input_signed;
const bool output_signed = instr.conversion.is_output_signed;
- Node value = GetRegister(instr.gpr20);
+ Node value = [&]() {
+ switch (opcode->get().GetId()) {
+ case OpCode::Id::I2I_R:
+ return GetRegister(instr.gpr20);
+ case OpCode::Id::I2I_C:
+ return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset());
+ case OpCode::Id::I2I_IMM:
+ return Immediate(instr.alu.GetSignedImm20_20());
+ default:
+ UNREACHABLE();
+ return Immediate(0);
+ }
+ }();
value = ConvertIntegerSize(value, instr.conversion.src_size, input_signed);
value = GetOperandAbsNegInteger(value, instr.conversion.abs_a, instr.conversion.negate_a,
@@ -38,17 +54,24 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) {
break;
}
case OpCode::Id::I2F_R:
- case OpCode::Id::I2F_C: {
- UNIMPLEMENTED_IF(instr.conversion.dest_size != Register::Size::Word);
+ case OpCode::Id::I2F_C:
+ case OpCode::Id::I2F_IMM: {
+ UNIMPLEMENTED_IF(instr.conversion.dst_size != Register::Size::Word);
UNIMPLEMENTED_IF(instr.conversion.selector);
UNIMPLEMENTED_IF_MSG(instr.generates_cc,
"Condition codes generation in I2F is not implemented");
Node value = [&]() {
- if (instr.is_b_gpr) {
+ switch (opcode->get().GetId()) {
+ case OpCode::Id::I2F_R:
return GetRegister(instr.gpr20);
- } else {
+ case OpCode::Id::I2F_C:
return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset());
+ case OpCode::Id::I2F_IMM:
+ return Immediate(instr.alu.GetSignedImm20_20());
+ default:
+ UNREACHABLE();
+ return Immediate(0);
}
}();
const bool input_signed = instr.conversion.is_input_signed;
@@ -62,24 +85,31 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) {
break;
}
case OpCode::Id::F2F_R:
- case OpCode::Id::F2F_C: {
- UNIMPLEMENTED_IF(instr.conversion.dest_size != Register::Size::Word);
- UNIMPLEMENTED_IF(instr.conversion.src_size != Register::Size::Word);
+ case OpCode::Id::F2F_C:
+ case OpCode::Id::F2F_IMM: {
+ UNIMPLEMENTED_IF(instr.conversion.f2f.dst_size != Register::Size::Word);
+ UNIMPLEMENTED_IF(instr.conversion.f2f.src_size != Register::Size::Word);
UNIMPLEMENTED_IF_MSG(instr.generates_cc,
"Condition codes generation in F2F is not implemented");
Node value = [&]() {
- if (instr.is_b_gpr) {
+ switch (opcode->get().GetId()) {
+ case OpCode::Id::F2F_R:
return GetRegister(instr.gpr20);
- } else {
+ case OpCode::Id::F2F_C:
return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset());
+ case OpCode::Id::F2F_IMM:
+ return GetImmediate19(instr);
+ default:
+ UNREACHABLE();
+ return Immediate(0);
}
}();
value = GetOperandAbsNegFloat(value, instr.conversion.abs_a, instr.conversion.negate_a);
value = [&]() {
- switch (instr.conversion.f2f.rounding) {
+ switch (instr.conversion.f2f.GetRoundingMode()) {
case Tegra::Shader::F2fRoundingOp::None:
return value;
case Tegra::Shader::F2fRoundingOp::Round:
@@ -102,15 +132,22 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) {
break;
}
case OpCode::Id::F2I_R:
- case OpCode::Id::F2I_C: {
+ case OpCode::Id::F2I_C:
+ case OpCode::Id::F2I_IMM: {
UNIMPLEMENTED_IF(instr.conversion.src_size != Register::Size::Word);
UNIMPLEMENTED_IF_MSG(instr.generates_cc,
"Condition codes generation in F2I is not implemented");
Node value = [&]() {
- if (instr.is_b_gpr) {
+ switch (opcode->get().GetId()) {
+ case OpCode::Id::F2I_R:
return GetRegister(instr.gpr20);
- } else {
+ case OpCode::Id::F2I_C:
return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset());
+ case OpCode::Id::F2I_IMM:
+ return GetImmediate19(instr);
+ default:
+ UNREACHABLE();
+ return Immediate(0);
}
}();
@@ -134,7 +171,7 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) {
}();
const bool is_signed = instr.conversion.is_output_signed;
value = SignedOperation(OperationCode::ICastFloat, is_signed, PRECISE, value);
- value = ConvertIntegerSize(value, instr.conversion.dest_size, is_signed);
+ value = ConvertIntegerSize(value, instr.conversion.dst_size, is_signed);
SetRegister(bb, instr.gpr0, value);
break;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-21 19:58:41 +0200