[GPU] XeSL texture load shaders + minor XeSL cleanup
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Triang3l
209
src/xenia/gpu/shaders/endian.xesli
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209
src/xenia/gpu/shaders/endian.xesli
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/**
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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(xesl_uint2)
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XE_ENDIAN_SWAP_16_OVERLOAD(xesl_uint3)
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XE_ENDIAN_SWAP_16_OVERLOAD(xesl_uint4)
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// 4 + 1 version for 3x3 resolution scale resolves.
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void XeEndianSwap16(inout xesl_uint4 value, inout xesl_uint value_4,
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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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value_4 = ((value_4 & 0x00FF00FFu) << 8u) | ((value_4 & 0xFF00FF00u) >> 8u);
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}
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}
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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(xesl_uint2)
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XE_ENDIAN_SWAP_32_OVERLOAD(xesl_uint3)
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XE_ENDIAN_SWAP_32_OVERLOAD(xesl_uint4)
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// 4 + 1 version for 3x3 resolution scale resolves.
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void XeEndianSwap32(inout xesl_uint4 value, inout xesl_uint value_4,
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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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value_4 = ((value_4 & 0x00FF00FFu) << 8u) | ((value_4 & 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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value_4 = (value_4 << 16u) | (value_4 >> 16u);
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}
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}
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xesl_uint2 XeEndianSwap64(xesl_uint2 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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xesl_uint4 XeEndianSwap64(xesl_uint4 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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// 2 + 2 version for 3x3 resolution scale resolves.
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void XeEndianSwap64(inout xesl_uint4 value_01, inout xesl_uint4 value_23,
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uint endian) {
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if (endian == kXenosEndian_8in64) {
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value_01 = value_01.yxwz;
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value_23 = value_23.yxwz;
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endian = kXenosEndian_8in32;
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}
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if (endian == kXenosEndian_8in16 || endian == kXenosEndian_8in32) {
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value_01 = ((value_01 & 0x00FF00FFu) << 8u) |
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((value_01 & 0xFF00FF00u) >> 8u);
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value_23 = ((value_23 & 0x00FF00FFu) << 8u) |
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((value_23 & 0xFF00FF00u) >> 8u);
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}
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if (endian == kXenosEndian_8in32 || endian == kXenosEndian_16in32) {
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value_01 = (value_01 << 16u) | (value_01 >> 16u);
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value_23 = (value_23 << 16u) | (value_23 >> 16u);
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}
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}
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// 2 + 2 + 1 version for 3x3 resolution scale resolves.
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void XeEndianSwap64(inout xesl_uint4 value_01, inout xesl_uint4 value_23,
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inout xesl_uint2 value_4, uint endian) {
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if (endian == kXenosEndian_8in64) {
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value_01 = value_01.yxwz;
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value_23 = value_23.yxwz;
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value_4 = value_4.yx;
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endian = kXenosEndian_8in32;
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}
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if (endian == kXenosEndian_8in16 || endian == kXenosEndian_8in32) {
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value_01 = ((value_01 & 0x00FF00FFu) << 8u) |
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((value_01 & 0xFF00FF00u) >> 8u);
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value_23 = ((value_23 & 0x00FF00FFu) << 8u) |
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((value_23 & 0xFF00FF00u) >> 8u);
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value_4 = ((value_4 & 0x00FF00FFu) << 8u) | ((value_4 & 0xFF00FF00u) >> 8u);
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}
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if (endian == kXenosEndian_8in32 || endian == kXenosEndian_16in32) {
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value_01 = (value_01 << 16u) | (value_01 >> 16u);
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value_23 = (value_23 << 16u) | (value_23 >> 16u);
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value_4 = (value_4 << 16u) | (value_4 >> 16u);
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}
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}
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xesl_uint4 XeEndianSwap128(xesl_uint4 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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// 4-value version for 3x3 resolution scale resolves.
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void XeEndianSwap128(inout xesl_uint4 value_0, inout xesl_uint4 value_1,
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inout xesl_uint4 value_2, inout xesl_uint4 value_3,
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uint endian) {
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if (endian == kXenosEndian_8in128) {
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value_0 = value_0.wzyx;
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value_1 = value_1.wzyx;
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value_2 = value_2.wzyx;
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value_3 = value_3.wzyx;
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endian = kXenosEndian_8in32;
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}
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if (endian == kXenosEndian_8in64) {
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value_0 = value_0.yxwz;
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value_1 = value_1.yxwz;
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value_2 = value_2.yxwz;
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value_3 = value_3.yxwz;
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endian = kXenosEndian_8in32;
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}
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if (endian == kXenosEndian_8in16 || endian == kXenosEndian_8in32) {
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value_0 = ((value_0 & 0x00FF00FFu) << 8u) | ((value_0 & 0xFF00FF00u) >> 8u);
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value_1 = ((value_1 & 0x00FF00FFu) << 8u) | ((value_1 & 0xFF00FF00u) >> 8u);
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value_2 = ((value_2 & 0x00FF00FFu) << 8u) | ((value_2 & 0xFF00FF00u) >> 8u);
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value_3 = ((value_3 & 0x00FF00FFu) << 8u) | ((value_3 & 0xFF00FF00u) >> 8u);
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}
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if (endian == kXenosEndian_8in32 || endian == kXenosEndian_16in32) {
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value_0 = (value_0 << 16u) | (value_0 >> 16u);
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value_1 = (value_1 << 16u) | (value_1 >> 16u);
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value_2 = (value_2 << 16u) | (value_2 >> 16u);
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value_3 = (value_3 << 16u) | (value_3 >> 16u);
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}
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}
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// 5-value version for 3x3 resolution scale resolves.
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void XeEndianSwap128(inout xesl_uint4 value_0, inout xesl_uint4 value_1,
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inout xesl_uint4 value_2, inout xesl_uint4 value_3,
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inout xesl_uint4 value_4, uint endian) {
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if (endian == kXenosEndian_8in128) {
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value_0 = value_0.wzyx;
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value_1 = value_1.wzyx;
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value_2 = value_2.wzyx;
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value_3 = value_3.wzyx;
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value_4 = value_4.wzyx;
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endian = kXenosEndian_8in32;
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}
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if (endian == kXenosEndian_8in64) {
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value_0 = value_0.yxwz;
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value_1 = value_1.yxwz;
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value_2 = value_2.yxwz;
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value_3 = value_3.yxwz;
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value_4 = value_4.yxwz;
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endian = kXenosEndian_8in32;
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}
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if (endian == kXenosEndian_8in16 || endian == kXenosEndian_8in32) {
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value_0 = ((value_0 & 0x00FF00FFu) << 8u) | ((value_0 & 0xFF00FF00u) >> 8u);
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value_1 = ((value_1 & 0x00FF00FFu) << 8u) | ((value_1 & 0xFF00FF00u) >> 8u);
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value_2 = ((value_2 & 0x00FF00FFu) << 8u) | ((value_2 & 0xFF00FF00u) >> 8u);
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value_3 = ((value_3 & 0x00FF00FFu) << 8u) | ((value_3 & 0xFF00FF00u) >> 8u);
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value_4 = ((value_4 & 0x00FF00FFu) << 8u) | ((value_4 & 0xFF00FF00u) >> 8u);
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}
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if (endian == kXenosEndian_8in32 || endian == kXenosEndian_16in32) {
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value_0 = (value_0 << 16u) | (value_0 >> 16u);
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value_1 = (value_1 << 16u) | (value_1 >> 16u);
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value_2 = (value_2 << 16u) | (value_2 >> 16u);
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value_3 = (value_3 << 16u) | (value_3 >> 16u);
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value_4 = (value_4 << 16u) | (value_4 >> 16u);
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}
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}
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#endif // XENIA_GPU_SHADERS_ENDIAN_XESLI_
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