mirror of
https://github.com/hrydgard/ppsspp.git
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234 lines
7.5 KiB
C++
234 lines
7.5 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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enum CheckAlphaResult {
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// These are intended to line up with TexCacheEntry::STATUS_ALPHA_UNKNOWN, etc.
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CHECKALPHA_FULL = 0,
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CHECKALPHA_ANY = 4,
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};
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#include "Common/Common.h"
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#include "Common/Swap.h"
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#include "Core/MemMap.h"
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#include "GPU/ge_constants.h"
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#include "GPU/Common/TextureDecoderNEON.h"
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#include "GPU/GPUState.h"
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void SetupTextureDecoder();
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// Pitch must be aligned to 16 bits (as is the case on a PSP)
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void DoSwizzleTex16(const u32 *ysrcp, u8 *texptr, int bxc, int byc, u32 pitch);
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// For SSE, we statically link the SSE2 algorithms.
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#if defined(_M_SSE)
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u32 QuickTexHashSSE2(const void *checkp, u32 size);
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#define DoQuickTexHash QuickTexHashSSE2
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#define StableQuickTexHash QuickTexHashSSE2
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// Pitch must be aligned to 16 bytes (as is the case on a PSP)
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void DoUnswizzleTex16Basic(const u8 *texptr, u32 *ydestp, int bxc, int byc, u32 pitch);
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#define DoUnswizzleTex16 DoUnswizzleTex16Basic
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#include "ext/xxhash.h"
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#define DoReliableHash32 XXH32
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#define DoReliableHash64 XXH64
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#if defined(_M_X64) || defined(ARM64)
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#define DoReliableHash XXH64
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typedef u64 ReliableHashType;
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#else
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#define DoReliableHash XXH32
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typedef u32 ReliableHashType;
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#endif
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// For ARM64, NEON is mandatory, so we also statically link.
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#elif PPSSPP_ARCH(ARM64) || defined(ARM64)
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#define DoQuickTexHash QuickTexHashNEON
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#define StableQuickTexHash QuickTexHashNEON
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#define DoUnswizzleTex16 DoUnswizzleTex16NEON
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#define DoReliableHash32 ReliableHash32NEON
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#include "ext/xxhash.h"
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#define DoReliableHash64 XXH64
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#define DoReliableHash XXH64
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typedef u64 ReliableHashType;
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#else
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typedef u32 (*QuickTexHashFunc)(const void *checkp, u32 size);
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extern QuickTexHashFunc DoQuickTexHash;
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extern QuickTexHashFunc StableQuickTexHash;
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typedef void (*UnswizzleTex16Func)(const u8 *texptr, u32 *ydestp, int bxc, int byc, u32 pitch);
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extern UnswizzleTex16Func DoUnswizzleTex16;
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typedef u32 (*ReliableHash32Func)(const void *input, size_t len, u32 seed);
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extern ReliableHash32Func DoReliableHash32;
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typedef u64 (*ReliableHash64Func)(const void *input, size_t len, u64 seed);
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extern ReliableHash64Func DoReliableHash64;
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#define DoReliableHash DoReliableHash32
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typedef u32 ReliableHashType;
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#endif
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CheckAlphaResult CheckAlphaRGBA8888Basic(const u32 *pixelData, int stride, int w, int h);
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CheckAlphaResult CheckAlphaABGR4444Basic(const u32 *pixelData, int stride, int w, int h);
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CheckAlphaResult CheckAlphaRGBA4444Basic(const u32 *pixelData, int stride, int w, int h);
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CheckAlphaResult CheckAlphaABGR1555Basic(const u32 *pixelData, int stride, int w, int h);
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CheckAlphaResult CheckAlphaRGBA5551Basic(const u32 *pixelData, int stride, int w, int h);
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// All these DXT structs are in the reverse order, as compared to PC.
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// On PC, alpha comes before color, and interpolants are before the tile data.
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struct DXT1Block {
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u8 lines[4];
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u16_le color1;
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u16_le color2;
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};
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struct DXT3Block {
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DXT1Block color;
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u16_le alphaLines[4];
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};
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struct DXT5Block {
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DXT1Block color;
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u32_le alphadata2;
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u16_le alphadata1;
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u8 alpha1; u8 alpha2;
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};
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void DecodeDXT1Block(u32 *dst, const DXT1Block *src, int pitch, int height, bool ignore1bitAlpha);
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void DecodeDXT3Block(u32 *dst, const DXT3Block *src, int pitch, int height);
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void DecodeDXT5Block(u32 *dst, const DXT5Block *src, int pitch, int height);
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static const u8 textureBitsPerPixel[16] = {
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16, //GE_TFMT_5650,
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16, //GE_TFMT_5551,
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16, //GE_TFMT_4444,
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32, //GE_TFMT_8888,
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4, //GE_TFMT_CLUT4,
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8, //GE_TFMT_CLUT8,
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16, //GE_TFMT_CLUT16,
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32, //GE_TFMT_CLUT32,
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4, //GE_TFMT_DXT1,
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8, //GE_TFMT_DXT3,
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8, //GE_TFMT_DXT5,
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0, // INVALID,
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0, // INVALID,
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0, // INVALID,
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0, // INVALID,
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0, // INVALID,
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};
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u32 GetTextureBufw(int level, u32 texaddr, GETextureFormat format);
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template <typename IndexT, typename ClutT>
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inline void DeIndexTexture(ClutT *dest, const IndexT *indexed, int length, const ClutT *clut) {
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// Usually, there is no special offset, mask, or shift.
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const bool nakedIndex = gstate.isClutIndexSimple();
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if (nakedIndex) {
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if (sizeof(IndexT) == 1) {
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for (int i = 0; i < length; ++i) {
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*dest++ = clut[*indexed++];
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}
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} else {
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for (int i = 0; i < length; ++i) {
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*dest++ = clut[(*indexed++) & 0xFF];
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}
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}
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} else {
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for (int i = 0; i < length; ++i) {
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*dest++ = clut[gstate.transformClutIndex(*indexed++)];
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}
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}
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}
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template <typename IndexT, typename ClutT>
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inline void DeIndexTexture(ClutT *dest, const u32 texaddr, int length, const ClutT *clut) {
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const IndexT *indexed = (const IndexT *) Memory::GetPointer(texaddr);
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DeIndexTexture(dest, indexed, length, clut);
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}
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template <typename ClutT>
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inline void DeIndexTexture4(ClutT *dest, const u8 *indexed, int length, const ClutT *clut) {
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// Usually, there is no special offset, mask, or shift.
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const bool nakedIndex = gstate.isClutIndexSimple();
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if (nakedIndex) {
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for (int i = 0; i < length; i += 2) {
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u8 index = *indexed++;
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dest[i + 0] = clut[(index >> 0) & 0xf];
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dest[i + 1] = clut[(index >> 4) & 0xf];
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}
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} else {
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for (int i = 0; i < length; i += 2) {
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u8 index = *indexed++;
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dest[i + 0] = clut[gstate.transformClutIndex((index >> 0) & 0xf)];
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dest[i + 1] = clut[gstate.transformClutIndex((index >> 4) & 0xf)];
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}
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}
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}
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template <typename ClutT>
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inline void DeIndexTexture4Optimal(ClutT *dest, const u8 *indexed, int length, ClutT color) {
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for (int i = 0; i < length; i += 2) {
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u8 index = *indexed++;
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dest[i + 0] = color | ((index >> 0) & 0xf);
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dest[i + 1] = color | ((index >> 4) & 0xf);
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}
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}
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template <>
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inline void DeIndexTexture4Optimal<u16>(u16 *dest, const u8 *indexed, int length, u16 color) {
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const u16_le *indexed16 = (const u16_le *)indexed;
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const u32 color32 = (color << 16) | color;
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u32 *dest32 = (u32 *)dest;
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for (int i = 0; i < length / 2; i += 2) {
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u16 index = *indexed16++;
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dest32[i + 0] = color32 | ((index & 0x00f0) << 12) | ((index & 0x000f) >> 0);
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dest32[i + 1] = color32 | ((index & 0xf000) << 4) | ((index & 0x0f00) >> 8);
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}
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}
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inline void DeIndexTexture4OptimalRev(u16 *dest, const u8 *indexed, int length, u16 color) {
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const u16_le *indexed16 = (const u16_le *)indexed;
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const u32 color32 = (color << 16) | color;
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u32 *dest32 = (u32 *)dest;
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for (int i = 0; i < length / 2; i += 2) {
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u16 index = *indexed16++;
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dest32[i + 0] = color32 | ((index & 0x00f0) << 24) | ((index & 0x000f) << 12);
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dest32[i + 1] = color32 | ((index & 0xf000) << 16) | ((index & 0x0f00) << 4);
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}
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}
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template <typename ClutT>
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inline void DeIndexTexture4(ClutT *dest, const u32 texaddr, int length, const ClutT *clut) {
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const u8 *indexed = (const u8 *) Memory::GetPointer(texaddr);
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DeIndexTexture4(dest, indexed, length, clut);
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}
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template <typename ClutT>
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inline void DeIndexTexture4Optimal(ClutT *dest, const u32 texaddr, int length, ClutT color) {
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const u8 *indexed = (const u8 *) Memory::GetPointer(texaddr);
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DeIndexTexture4Optimal(dest, indexed, length, color);
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}
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