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-rw-r--r--src/video_core/engines/shader_bytecode.h7
-rw-r--r--src/video_core/shader/decode/other.cpp6
2 files changed, 13 insertions, 0 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 8520a0143..083ee3304 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -560,6 +560,11 @@ union Instruction {
BitField<48, 16, u64> opcode;
union {
+ BitField<8, 5, ConditionCode> cc;
+ BitField<13, 1, u64> trigger;
+ } nop;
+
+ union {
BitField<8, 8, Register> gpr;
BitField<20, 24, s64> offset;
} gmem;
@@ -1516,6 +1521,7 @@ public:
TMML, // Texture Mip Map Level
SUST, // Surface Store
EXIT,
+ NOP,
IPA,
OUT_R, // Emit vertex/primitive
ISBERD,
@@ -1795,6 +1801,7 @@ private:
INST("110111110110----", Id::TMML_B, Type::Texture, "TMML_B"),
INST("1101111101011---", Id::TMML, Type::Texture, "TMML"),
INST("11101011001-----", Id::SUST, Type::Image, "SUST"),
+ INST("0101000010110---", Id::NOP, Type::Trivial, "NOP"),
INST("11100000--------", Id::IPA, Type::Trivial, "IPA"),
INST("1111101111100---", Id::OUT_R, Type::Trivial, "OUT_R"),
INST("1110111111010---", Id::ISBERD, Type::Trivial, "ISBERD"),
diff --git a/src/video_core/shader/decode/other.cpp b/src/video_core/shader/decode/other.cpp
index c0f64d7a0..ac0e764d6 100644
--- a/src/video_core/shader/decode/other.cpp
+++ b/src/video_core/shader/decode/other.cpp
@@ -22,6 +22,12 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) {
const auto opcode = OpCode::Decode(instr);
switch (opcode->get().GetId()) {
+ case OpCode::Id::NOP: {
+ UNIMPLEMENTED_IF(instr.nop.cc != Tegra::Shader::ConditionCode::T);
+ UNIMPLEMENTED_IF(instr.nop.trigger != 0);
+ // With the previous preconditions, this instruction is a no-operation.
+ break;
+ }
case OpCode::Id::EXIT: {
const Tegra::Shader::ConditionCode cc = instr.flow_condition_code;
UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T, "EXIT condition code used: {}",