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shader/memory: Implement RED.E.ADD

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Implements a reduction operation. It's an atomic operation that doesn't
return a value.

This commit introduces another primitive because some shading languages
might have a primitive for reduction operations.
This commit is contained in:
ReinUsesLisp
2020-04-06 02:24:47 -03:00
parent fd0a2b5151
commit 3185245845
5 changed files with 98 additions and 27 deletions
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8
src/video_core/engines/shader_bytecode.h
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@@ -988,6 +988,12 @@ union Instruction {
BitField<46, 2, u64> cache_mode;
} stg;
union {
BitField<23, 3, AtomicOp> operation;
BitField<48, 1, u64> extended;
BitField<20, 3, GlobalAtomicType> type;
} red;
union {
BitField<52, 4, AtomicOp> operation;
BitField<49, 3, GlobalAtomicType> type;
@@ -1733,6 +1739,7 @@ public:
ST_S,
ST, // Store in generic memory
STG, // Store in global memory
RED, // Reduction operation
ATOM, // Atomic operation on global memory
ATOMS, // Atomic operation on shared memory
AL2P, // Transforms attribute memory into physical memory
@@ -2039,6 +2046,7 @@ private:
INST("1110111101010---", Id::ST_L, Type::Memory, "ST_L"),
INST("101-------------", Id::ST, Type::Memory, "ST"),
INST("1110111011011---", Id::STG, Type::Memory, "STG"),
INST("1110101111111---", Id::RED, Type::Memory, "RED"),
INST("11101101--------", Id::ATOM, Type::Memory, "ATOM"),
INST("11101100--------", Id::ATOMS, Type::Memory, "ATOMS"),
INST("1110111110100---", Id::AL2P, Type::Memory, "AL2P"),