04d5c40d0d
Use the _xe suffix instead of the xesl_ prefix for quicker visual recognition of identifiers, also switch to snake_case for consistency. Also add the f suffix to float32 literals because the Metal Shading Language is based on C++.
77 lines
2.5 KiB
Plaintext
77 lines
2.5 KiB
Plaintext
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2022 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef XENIA_GPU_SHADERS_ENDIAN_XESLI_
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#define XENIA_GPU_SHADERS_ENDIAN_XESLI_
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#include "../../ui/shaders/xesl.xesli"
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// 2-bit (xenos::Endian) and 3-bit (xenos::Endian128).
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#define kXenosEndian_None 0u
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#define kXenosEndian_8in16 1u
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#define kXenosEndian_8in32 2u
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#define kXenosEndian_16in32 3u
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// 3-bit only.
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#define kXenosEndian_8in64 4u
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#define kXenosEndian_8in128 5u
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// Can also swap two packed 16-bit values.
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#define XE_ENDIAN_SWAP_16_OVERLOAD(XeEndianSwapType) \
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XeEndianSwapType XeEndianSwap16(XeEndianSwapType value, uint endian) { \
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if (endian == kXenosEndian_8in16) { \
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value = ((value & 0x00FF00FFu) << 8u) | ((value & 0xFF00FF00u) >> 8u); \
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} \
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return value; \
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}
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XE_ENDIAN_SWAP_16_OVERLOAD(uint)
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XE_ENDIAN_SWAP_16_OVERLOAD(uint2_xe)
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XE_ENDIAN_SWAP_16_OVERLOAD(uint3_xe)
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XE_ENDIAN_SWAP_16_OVERLOAD(uint4_xe)
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#define XE_ENDIAN_SWAP_32_OVERLOAD(XeEndianSwapType) \
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XeEndianSwapType XeEndianSwap32(XeEndianSwapType value, uint endian) { \
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if (endian == kXenosEndian_8in16 || endian == kXenosEndian_8in32) { \
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value = ((value & 0x00FF00FFu) << 8u) | ((value & 0xFF00FF00u) >> 8u); \
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} \
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if (endian == kXenosEndian_8in32 || endian == kXenosEndian_16in32) { \
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value = (value << 16u) | (value >> 16u); \
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} \
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return value; \
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}
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XE_ENDIAN_SWAP_32_OVERLOAD(uint)
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XE_ENDIAN_SWAP_32_OVERLOAD(uint2_xe)
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XE_ENDIAN_SWAP_32_OVERLOAD(uint3_xe)
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XE_ENDIAN_SWAP_32_OVERLOAD(uint4_xe)
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uint2_xe XeEndianSwap64(uint2_xe value, uint endian) {
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if (endian == kXenosEndian_8in64) {
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value = value.yx;
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endian = kXenosEndian_8in32;
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}
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return XeEndianSwap32(value, endian);
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}
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uint4_xe XeEndianSwap64(uint4_xe value, uint endian) {
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if (endian == kXenosEndian_8in64) {
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value = value.yxwz;
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endian = kXenosEndian_8in32;
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}
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return XeEndianSwap32(value, endian);
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}
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uint4_xe XeEndianSwap128(uint4_xe value, uint endian) {
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if (endian == kXenosEndian_8in128) {
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value = value.wzyx;
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endian = kXenosEndian_8in32;
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}
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return XeEndianSwap64(value, endian);
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}
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#endif // XENIA_GPU_SHADERS_ENDIAN_XESLI_
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