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shader: Add NVN storage buffer fallbacks

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When we can't track the SSBO origin of a global memory instruction,
leave it as a global memory operation and assume these pointers are in
the NVN storage buffer slots, then apply a linear search in the shader's
runtime.
This commit is contained in:
ReinUsesLisp 2021-04-19 16:33:23 -03:00 • committed by ameerj
parent 6325601947
commit 7018e524f5
9 changed files with 214 additions and 62 deletions
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8
src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
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@ -55,16 +55,16 @@ Id EmitIAdd32(EmitContext& ctx, IR::Inst* inst, Id a, Id b) {
return result;
}
void EmitIAdd64(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
Id EmitIAdd64(EmitContext& ctx, Id a, Id b) {
return ctx.OpIAdd(ctx.U64, a, b);
}
Id EmitISub32(EmitContext& ctx, Id a, Id b) {
return ctx.OpISub(ctx.U32[1], a, b);
}
void EmitISub64(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
Id EmitISub64(EmitContext& ctx, Id a, Id b) {
return ctx.OpISub(ctx.U64, a, b);
}
Id EmitIMul32(EmitContext& ctx, Id a, Id b) {