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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2018-12-15 07:18:25 +0100 |
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committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2019-01-15 21:54:50 +0100 |
commit | 97f33f00cf4076e49f763c8139d388d47a41c84d (patch) | |
tree | ceb96d58fd5999d4dc5208ce663589cec7eeec6e /src/video_core/shader/decode/other.cpp | |
parent | shader_decode: Implement PSETP (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/shader/decode/other.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/video_core/shader/decode/other.cpp b/src/video_core/shader/decode/other.cpp index 3f058324c..4c2d24202 100644 --- a/src/video_core/shader/decode/other.cpp +++ b/src/video_core/shader/decode/other.cpp @@ -57,6 +57,25 @@ u32 ShaderIR::DecodeOther(BasicBlock& bb, u32 pc) { bb.push_back(Operation(OperationCode::Bra, Immediate(target))); break; } + case OpCode::Id::SSY: { + UNIMPLEMENTED_IF_MSG(instr.bra.constant_buffer != 0, + "Constant buffer flow is not supported"); + + // The SSY opcode tells the GPU where to re-converge divergent execution paths, it sets the + // target of the jump that the SYNC instruction will make. The SSY opcode has a similar + // structure to the BRA opcode. + bb.push_back(Operation(OperationCode::Ssy, Immediate(pc + instr.bra.GetBranchTarget()))); + break; + } + case OpCode::Id::SYNC: { + 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 + bb.push_back(Operation(OperationCode::Sync)); + break; + } case OpCode::Id::IPA: { const auto& attribute = instr.attribute.fmt28; const Tegra::Shader::IpaMode input_mode{instr.ipa.interp_mode.Value(), |