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31 lines
1.0 KiB
C++
31 lines
1.0 KiB
C++
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "shader_recompiler/exception.h"
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#include "shader_recompiler/frontend/maxwell/translate/impl/video_helper.h"
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namespace Shader::Maxwell {
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IR::U32 ExtractVideoOperandValue(IR::IREmitter& ir, const IR::U32& value, VideoWidth width,
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u32 selector, bool is_signed) {
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switch (width) {
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case VideoWidth::Byte:
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case VideoWidth::Unknown:
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return ir.BitFieldExtract(value, ir.Imm32(selector * 8), ir.Imm32(8), is_signed);
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case VideoWidth::Short:
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return ir.BitFieldExtract(value, ir.Imm32(selector * 16), ir.Imm32(16), is_signed);
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case VideoWidth::Word:
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return value;
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default:
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throw NotImplementedException("Unknown VideoWidth {}", width);
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}
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}
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VideoWidth GetVideoSourceWidth(VideoWidth width, bool is_immediate) {
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// immediates must be 16-bit format.
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return is_immediate ? VideoWidth::Short : width;
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}
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} // namespace Shader::Maxwell
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