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shader: Add integer division opcodes

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This commit is contained in:
ReinUsesLisp 2021-07-25 21:27:21 -03:00 • committed by Fernando Sahmkow
parent 1b78ba7247
commit 8cfa8cda16
9 changed files with 37 additions and 0 deletions
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2
src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
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@ -363,6 +363,8 @@ void EmitIAdd64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
void EmitISub32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitISub64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitIMul32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitINeg32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
void EmitINeg64(EmitContext& ctx, IR::Inst& inst, std::string_view value);
void EmitIAbs32(EmitContext& ctx, IR::Inst& inst, std::string_view value);

8
src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
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@ -78,6 +78,14 @@ void EmitIMul32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
ctx.AddU32("{}=uint({}*{});", inst, a, b);
}
void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
ctx.AddU32("{}=uint(int({})/int({}));", inst, a, b);
}
void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
ctx.AddU32("{}={}/{};", inst, a, b);
}
void EmitINeg32(EmitContext& ctx, IR::Inst& inst, std::string_view value) {
ctx.AddU32("{}=uint(-({}));", inst, value);
}