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[spirv] new castings for int8/int16/etc (#86)

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This commit introduces extended support for low-precision integer casting (int8, int16) in the SPIR-V shader generation pipeline, improving compatibility and performance across both Android and PC platforms.

Co-authored-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/86
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2025-07-23 01:02:10 +02:00 • committed by crueter
parent a974c5a29c
commit 7962c81738
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GPG key ID: 425ACD2D4830EBC6
10 changed files with 178 additions and 2 deletions
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24
src/shader_recompiler/backend/glasm/emit_glasm_convert.cpp
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@ -225,4 +225,28 @@ void EmitConvertF64U64(EmitContext& ctx, IR::Inst& inst, Register value) {
Convert(ctx, inst, value, "F64", "U64", true);
}
void EmitConvertU16U32(EmitContext& ctx, IR::Inst& inst, Register value) {
Convert(ctx, inst, value, "U32", "U16", false);
}
void EmitConvertU32U16(EmitContext& ctx, IR::Inst& inst, Register value) {
Convert(ctx, inst, value, "U16", "U32", false);
}
void EmitConvertU8U32(EmitContext& ctx, IR::Inst& inst, Register value) {
Convert(ctx, inst, value, "U32", "U8", false);
}
void EmitConvertU32U8(EmitContext& ctx, IR::Inst& inst, Register value) {
Convert(ctx, inst, value, "U8", "U32", false);
}
void EmitConvertS32S8(EmitContext& ctx, IR::Inst& inst, Register value) {
Convert(ctx, inst, value, "S8", "S32", false);
}
void EmitConvertS32S16(EmitContext& ctx, IR::Inst& inst, Register value) {
Convert(ctx, inst, value, "S16", "S32", false);
}
} // namespace Shader::Backend::GLASM

6
src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
View file

@ -541,6 +541,12 @@ void EmitConvertF64U8(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitConvertF64U16(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitConvertF64U32(EmitContext& ctx, IR::Inst& inst, ScalarU32 value);
void EmitConvertF64U64(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitConvertU16U32(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitConvertU32U16(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitConvertU8U32(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitConvertU32U8(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitConvertS32S8(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitConvertS32S16(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitBindlessImageSampleImplicitLod(EmitContext&);
void EmitBindlessImageSampleExplicitLod(EmitContext&);
void EmitBindlessImageSampleDrefImplicitLod(EmitContext&);