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shader_ir: Implement BRX & BRA.CC

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This commit is contained in:
Fernando Sahmkow 2019-06-24 21:25:38 -04:00 • committed by FernandoS27
parent c218ae4b02
commit 8a6fc529a9
6 changed files with 76 additions and 4 deletions
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16
src/video_core/engines/shader_bytecode.h
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@ -1367,6 +1367,20 @@ union Instruction {
}
} bra;
union {
BitField<20, 24, u64> target;
BitField<5, 1, u64> constant_buffer;
s32 GetBranchExtend() const {
// Sign extend the branch target offset
u32 mask = 1U << (24 - 1);
u32 value = static_cast<u32>(target);
// The branch offset is relative to the next instruction and is stored in bytes, so
// divide it by the size of an instruction and add 1 to it.
return static_cast<s32>((value ^ mask) - mask) / sizeof(Instruction) + 1;
}
} brx;
union {
BitField<39, 1, u64> emit; // EmitVertex
BitField<40, 1, u64> cut; // EndPrimitive
@ -1464,6 +1478,7 @@ public:
BFE_IMM,
BFI_IMM_R,
BRA,
BRX,
PBK,
LD_A,
LD_L,
@ -1738,6 +1753,7 @@ private:
INST("111000101001----", Id::SSY, Type::Flow, "SSY"),
INST("111000101010----", Id::PBK, Type::Flow, "PBK"),
INST("111000100100----", Id::BRA, Type::Flow, "BRA"),
INST("111000100101----", Id::BRX, Type::Flow, "BRX"),
INST("1111000011111---", Id::SYNC, Type::Flow, "SYNC"),
INST("111000110100---", Id::BRK, Type::Flow, "BRK"),
INST("111000110000----", Id::EXIT, Type::Flow, "EXIT"),