diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/video_core/engines/shader_bytecode.h | 3 | ||||
| -rw-r--r-- | src/video_core/shader/decode/xmad.cpp | 39 |
2 files changed, 33 insertions, 9 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index 363e53be1..2e1e96c81 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -1238,13 +1238,16 @@ union Instruction { union { BitField<20, 16, u64> imm20_16; + BitField<35, 1, u64> high_b_rr; // used on RR BitField<36, 1, u64> product_shift_left; BitField<37, 1, u64> merge_37; BitField<48, 1, u64> sign_a; BitField<49, 1, u64> sign_b; + BitField<50, 2, XmadMode> mode_cbf; // used by CR, RC BitField<50, 3, XmadMode> mode; BitField<52, 1, u64> high_b; BitField<53, 1, u64> high_a; + BitField<55, 1, u64> product_shift_left_second; // used on CR BitField<56, 1, u64> merge_56; } xmad; diff --git a/src/video_core/shader/decode/xmad.cpp b/src/video_core/shader/decode/xmad.cpp index c34843307..db15c0718 100644 --- a/src/video_core/shader/decode/xmad.cpp +++ b/src/video_core/shader/decode/xmad.cpp @@ -29,39 +29,55 @@ u32 ShaderIR::DecodeXmad(NodeBlock& bb, u32 pc) { const bool is_signed_b = instr.xmad.sign_b == 1; const bool is_signed_c = is_signed_a; - auto [is_merge, op_b, op_c] = [&]() -> std::tuple<bool, Node, Node> { + auto [is_merge, is_psl, is_high_b, mode, op_b, + op_c] = [&]() -> std::tuple<bool, bool, bool, Tegra::Shader::XmadMode, Node, Node> { switch (opcode->get().GetId()) { case OpCode::Id::XMAD_CR: return {instr.xmad.merge_56, + instr.xmad.product_shift_left_second, + instr.xmad.high_b, + instr.xmad.mode_cbf, GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset()), GetRegister(instr.gpr39)}; case OpCode::Id::XMAD_RR: - return {instr.xmad.merge_37, GetRegister(instr.gpr20), GetRegister(instr.gpr39)}; + return {instr.xmad.merge_37, instr.xmad.product_shift_left, instr.xmad.high_b_rr, + instr.xmad.mode, GetRegister(instr.gpr20), GetRegister(instr.gpr39)}; case OpCode::Id::XMAD_RC: - return {false, GetRegister(instr.gpr39), + return {false, + false, + instr.xmad.high_b, + instr.xmad.mode_cbf, + GetRegister(instr.gpr39), GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset())}; case OpCode::Id::XMAD_IMM: - return {instr.xmad.merge_37, Immediate(static_cast<u32>(instr.xmad.imm20_16)), + return {instr.xmad.merge_37, + instr.xmad.product_shift_left, + false, + instr.xmad.mode, + Immediate(static_cast<u32>(instr.xmad.imm20_16)), GetRegister(instr.gpr39)}; } UNIMPLEMENTED_MSG("Unhandled XMAD instruction: {}", opcode->get().GetName()); - return {false, Immediate(0), Immediate(0)}; + return {false, false, false, Tegra::Shader::XmadMode::None, Immediate(0), Immediate(0)}; }(); op_a = BitfieldExtract(op_a, instr.xmad.high_a ? 16 : 0, 16); const Node original_b = op_b; - op_b = BitfieldExtract(op_b, instr.xmad.high_b ? 16 : 0, 16); + op_b = BitfieldExtract(op_b, is_high_b ? 16 : 0, 16); // TODO(Rodrigo): Use an appropiate sign for this operation Node product = Operation(OperationCode::IMul, NO_PRECISE, op_a, op_b); - if (instr.xmad.product_shift_left) { + if (is_psl) { product = Operation(OperationCode::ILogicalShiftLeft, NO_PRECISE, product, Immediate(16)); } + SetTemporal(bb, 0, product); + product = GetTemporal(0); const Node original_c = op_c; + const Tegra::Shader::XmadMode set_mode = mode; // Workaround to clang compile error op_c = [&]() { - switch (instr.xmad.mode) { + switch (set_mode) { case Tegra::Shader::XmadMode::None: return original_c; case Tegra::Shader::XmadMode::CLo: @@ -80,8 +96,13 @@ u32 ShaderIR::DecodeXmad(NodeBlock& bb, u32 pc) { } }(); + SetTemporal(bb, 1, op_c); + op_c = GetTemporal(1); + // TODO(Rodrigo): Use an appropiate sign for this operation Node sum = Operation(OperationCode::IAdd, product, op_c); + SetTemporal(bb, 2, sum); + sum = GetTemporal(2); if (is_merge) { const Node a = BitfieldExtract(sum, 0, 16); const Node b = @@ -95,4 +116,4 @@ u32 ShaderIR::DecodeXmad(NodeBlock& bb, u32 pc) { return pc; } -} // namespace VideoCommon::Shader
\ No newline at end of file +} // namespace VideoCommon::Shader |