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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-02-17 00:52:12 +0100 |
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committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:22 +0200 |
commit | c67d64365a712830fe140dd36e24e2efd9b8a812 (patch) | |
tree | 9287589f2b72d1cbd0cb113c2024b2bc531408c3 /src/video_core/shader/decode/ffma.cpp | |
parent | shader: Add XMAD multiplication folding optimization (diff) | |
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Diffstat (limited to 'src/video_core/shader/decode/ffma.cpp')
-rw-r--r-- | src/video_core/shader/decode/ffma.cpp | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/src/video_core/shader/decode/ffma.cpp b/src/video_core/shader/decode/ffma.cpp deleted file mode 100644 index 5973588d6..000000000 --- a/src/video_core/shader/decode/ffma.cpp +++ /dev/null @@ -1,62 +0,0 @@ -// Copyright 2018 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include "common/assert.h" -#include "common/common_types.h" -#include "video_core/engines/shader_bytecode.h" -#include "video_core/shader/node_helper.h" -#include "video_core/shader/shader_ir.h" - -namespace VideoCommon::Shader { - -using Tegra::Shader::Instruction; -using Tegra::Shader::OpCode; - -u32 ShaderIR::DecodeFfma(NodeBlock& bb, u32 pc) { - const Instruction instr = {program_code[pc]}; - const auto opcode = OpCode::Decode(instr); - - UNIMPLEMENTED_IF_MSG(instr.ffma.cc != 0, "FFMA cc not implemented"); - if (instr.ffma.tab5980_0 != 1) { - LOG_DEBUG(HW_GPU, "FFMA tab5980_0({}) not implemented", instr.ffma.tab5980_0.Value()); - } - if (instr.ffma.tab5980_1 != 0) { - LOG_DEBUG(HW_GPU, "FFMA tab5980_1({}) not implemented", instr.ffma.tab5980_1.Value()); - } - - const Node op_a = GetRegister(instr.gpr8); - - auto [op_b, op_c] = [&]() -> std::tuple<Node, Node> { - switch (opcode->get().GetId()) { - case OpCode::Id::FFMA_CR: { - return {GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset()), - GetRegister(instr.gpr39)}; - } - case OpCode::Id::FFMA_RR: - return {GetRegister(instr.gpr20), GetRegister(instr.gpr39)}; - case OpCode::Id::FFMA_RC: { - return {GetRegister(instr.gpr39), - GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset())}; - } - case OpCode::Id::FFMA_IMM: - return {GetImmediate19(instr), GetRegister(instr.gpr39)}; - default: - UNIMPLEMENTED_MSG("Unhandled FFMA instruction: {}", opcode->get().GetName()); - return {Immediate(0), Immediate(0)}; - } - }(); - - op_b = GetOperandAbsNegFloat(op_b, false, instr.ffma.negate_b); - op_c = GetOperandAbsNegFloat(op_c, false, instr.ffma.negate_c); - - Node value = Operation(OperationCode::FFma, PRECISE, op_a, op_b, op_c); - value = GetSaturatedFloat(value, instr.alu.saturate_d); - - SetInternalFlagsFromFloat(bb, value, instr.generates_cc); - SetRegister(bb, instr.gpr0, value); - - return pc; -} - -} // namespace VideoCommon::Shader |