mirror of
https://github.com/DrBeef/Raze.git
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- moved the palette management into the backend.
This commit is contained in:
Christoph Oelckers
parent
b1aaafb973
commit
734d8b7d1e
5 changed files with 278 additions and 57 deletions
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@ -778,6 +778,7 @@ set (PCH_SOURCES
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glbackend/gl_samplers.cpp
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glbackend/gl_shader.cpp
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glbackend/glbackend.cpp
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glbackend/gl_palmanager.cpp
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mact/src/animlib.cpp
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mact/src/control.cpp
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@ -136,8 +136,6 @@ static GLuint quadVertsID = 0;
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#define PALSWAP_TEXTURE_SIZE 2048
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int32_t r_useindexedcolortextures = -1;
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static int32_t lastbasepal = -1;
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static FHardwareTexture *paletteTextureIDs[MAXBASEPALS];
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static FHardwareTexture *palswapTextureID = nullptr;
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static inline float float_trans(uint32_t maskprops, uint8_t blend)
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@ -373,10 +371,8 @@ void polymost_glinit()
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{
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globalflags |= GLOBAL_NO_GL_TILESHADES; // This re-enables the old fading logic without re-adding the r_usetileshades variable. The entire thing will have to be done on a more abstract level anyway.
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lastbasepal = -1;
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for (int basepalnum = 0; basepalnum < MAXBASEPALS; ++basepalnum)
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for (int basepalnum = 0; basepalnum < MAXBASEPALS; ++basepalnum)
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{
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paletteTextureIDs[basepalnum] = 0;
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uploadbasepalette(basepalnum);
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}
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palswapTextureID = 0;
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@ -705,14 +701,7 @@ void uploadbasepalette(int32_t basepalnum, bool transient) // transient palettes
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basepalWFullBrightInfo[i*4+3] = 0-(IsPaletteIndexFullbright(i) != 0);
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}
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if (!paletteTextureIDs[basepalnum])
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{
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auto &p = paletteTextureIDs[basepalnum];
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p = GLInterface.NewTexture();
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p->CreateTexture(256, 1, false, false);
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p->SetSampler(Sampler2DNoFilter);
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}
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paletteTextureIDs[basepalnum]->LoadTexture(basepalWFullBrightInfo); // RGBA
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GLInterface.SetPaletteData(basepalnum, basepalWFullBrightInfo, transient);
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}
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// Used by RRRA fog hackery - the only place changing the palswaps at run time.
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@ -1162,13 +1151,7 @@ static void polymost_updatePalette()
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GLInterface.SetPalswap(globalpal);
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GLInterface.SetShade(globalshade, numshades);
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//POGO: only bind the base pal once when it's swapped
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if (curbasepal != lastbasepal)
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{
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GLInterface.BindTexture(2, paletteTextureIDs[curbasepal], Sampler2DNoFilter);
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lastbasepal = curbasepal;
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}
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GLInterface.SetPalette(curbasepal);
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}
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211
source/glbackend/gl_palmanager.cpp
Normal file
211
source/glbackend/gl_palmanager.cpp
Normal file
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@ -0,0 +1,211 @@
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/*
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** gl_palmanager.cpp
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** Palette management
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**
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**---------------------------------------------------------------------------
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** Copyright 2019 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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**
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*/
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#include <memory>
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#include "m_crc32.h"
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#include "glad/glad.h"
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#include "glbackend.h"
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#include "gl_samplers.h"
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#include "gl_shader.h"
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#include "baselayer.h"
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#include "resourcefile.h"
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//===========================================================================
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//
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// The palette manager will contain all palettes being used for texture
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// creation. It is also responsible for creating palette textures for indexed
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// rendering.
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//
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//===========================================================================
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PaletteManager::~PaletteManager()
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{
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DeleteAll();
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}
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//===========================================================================
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//
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//
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//
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//===========================================================================
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void PaletteManager::DeleteAll()
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{
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for (auto& pal : palettes)
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{
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if (pal.paltexture) delete pal.paltexture;
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}
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if (transientpalette.paltexture) delete transientpalette.paltexture;
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transientpalette.paltexture = nullptr;
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transientpalette.crc32 = -1;
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palettes.Reset();
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palswaps.Reset();
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lastindex = -1;
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memset(palettemap, 0, sizeof(palettemap));
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memset(palswapmap, 0, sizeof(palswapmap));
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}
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//===========================================================================
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//
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// Adds a new palette while looking for duplicates.
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//
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//===========================================================================
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unsigned PaletteManager::FindPalette(const uint8_t *paldata)
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{
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auto crc32 = CalcCRC32(paldata, 1024);
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for (unsigned int i = 0; i< palettes.Size(); i++)
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{
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if (crc32 == palettes[i].crc32)
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{
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if (!memcmp(paldata, palettes[i].colors, 1024))
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{
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return i;
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}
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}
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}
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PaletteData pd;
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memcpy(pd.colors, paldata, 1024);
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pd.crc32 = crc32;
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pd.paltexture = nullptr;
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return palettes.Push(pd);
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}
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//===========================================================================
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//
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//
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//
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//===========================================================================
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void PaletteManager::SetPalette(int index, const uint8_t* data, bool transient)
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{
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// New palettes may only be added if declared transient or on startup.
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// Otherwise this would require a renderer reset to flush out the textures affected by the change.
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if (index < 0 || index > 255) return; // invalid index - ignore.
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if (transient)
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{
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// Transient palettes do not get stored in the list because it is assumed that they won't be needed for long.
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// Only clear the texture if the palette is different.
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if (memcmp(data, transientpalette.colors, 1024))
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{
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memcpy(transientpalette.colors, data, 1024);
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if (transientpalette.paltexture) delete transientpalette.paltexture;
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transientpalette.paltexture = nullptr;
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}
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transientpalette.crc32 = index;
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palettemap[index] = 0;
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return;
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}
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palettemap[index] = FindPalette(data);
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}
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//===========================================================================
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//
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//
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//
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//===========================================================================
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void PaletteManager::BindPalette(int index)
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{
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if (index == transientpalette.crc32)
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{
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if (transientpalette.paltexture == nullptr)
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{
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auto p = GLInterface.NewTexture();
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p->CreateTexture(256, 1, false, false);
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p->LoadTexture((uint8_t*)transientpalette.colors);
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p->SetSampler(Sampler2DNoFilter);
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transientpalette.paltexture = p;
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}
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inst->BindTexture(2, transientpalette.paltexture);
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}
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else if (palettemap[index] < palettes.Size())
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{
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auto uindex = palettemap[index];
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if (uindex != lastindex)
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{
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lastindex = uindex;
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if (palettes[uindex].paltexture == nullptr)
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{
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auto p = GLInterface.NewTexture();
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p->CreateTexture(256, 1, false, false);
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p->LoadTexture((uint8_t*)palettes[uindex].colors);
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p->SetSampler(Sampler2DNoFilter);
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palettes[uindex].paltexture = p;
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}
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inst->BindTexture(2, palettes[uindex].paltexture);
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}
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}
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}
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#if 0
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static void polymost_setPalswap(uint32_t index)
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{
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static uint32_t lastPalswapIndex;
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if (currentShaderProgramID != polymost1CurrentShaderProgramID)
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return;
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lastPalswapIndex = index;
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polymost1PalswapPos.x = index * polymost1PalswapSize.x;
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polymost1PalswapPos.y = floorf(polymost1PalswapPos.x);
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polymost1PalswapPos = { polymost1PalswapPos.x - polymost1PalswapPos.y + (0.5f / PALSWAP_TEXTURE_SIZE),
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polymost1PalswapPos.y * polymost1PalswapSize.y + (0.5f / PALSWAP_TEXTURE_SIZE) };
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glUniform2f(polymost1PalswapPosLoc, polymost1PalswapPos.x, polymost1PalswapPos.y);
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}
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static void polymost_setPalswapSize(uint32_t width, uint32_t height)
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{
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if (currentShaderProgramID != polymost1CurrentShaderProgramID)
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return;
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polymost1PalswapSize = { width * (1.f / PALSWAP_TEXTURE_SIZE),
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height * (1.f / PALSWAP_TEXTURE_SIZE) };
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polymost1PalswapInnerSize = { (width - 1) * (1.f / PALSWAP_TEXTURE_SIZE),
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(height - 1) * (1.f / PALSWAP_TEXTURE_SIZE) };
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glUniform2f(polymost1PalswapSizeLoc, polymost1PalswapInnerSize.x, polymost1PalswapInnerSize.y);
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}
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#endif
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@ -41,6 +41,12 @@ FileReader GetBaseResource(const char* fn)
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GLInstance GLInterface;
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GLInstance::GLInstance()
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:palmanager(this)
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{
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}
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void GLInstance::Init()
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{
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InitBaseRes();
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@ -146,8 +152,12 @@ void GLInstance::Deinit()
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mSamplers = nullptr;
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if (polymostShader) delete polymostShader;
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polymostShader = nullptr;
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if (surfaceShader) delete surfaceShader;
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surfaceShader = nullptr;
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if (vpxShader) delete vpxShader;
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vpxShader = nullptr;
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activeShader = nullptr;
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palmanager.DeleteAll();
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}
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std::pair<size_t, BaseVertex *> GLInstance::AllocVertices(size_t num)
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@ -402,9 +412,6 @@ void GLInstance::SetPolymostShader()
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polymostShader->Bind();
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activeShader = polymostShader;
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}
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//GLInterface.BindTexture(1, palswapTextureID);
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//GLInterface.BindTexture(2, paletteTextureIDs[curbasepal]);
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}
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void GLInstance::SetSurfaceShader()
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@ -425,6 +432,10 @@ void GLInstance::SetVPXShader()
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}
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}
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void GLInstance::SetPalette(int index)
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{
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palmanager.BindPalette(index);
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}
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void PolymostRenderState::Apply(PolymostShader* shader)
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{
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@ -446,36 +457,3 @@ void PolymostRenderState::Apply(PolymostShader* shader)
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shader->FogColor.Set(FogColor);
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}
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#if 0
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static void polymost_setPalswap(uint32_t index)
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{
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static uint32_t lastPalswapIndex;
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if (currentShaderProgramID != polymost1CurrentShaderProgramID)
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return;
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lastPalswapIndex = index;
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polymost1PalswapPos.x = index * polymost1PalswapSize.x;
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polymost1PalswapPos.y = floorf(polymost1PalswapPos.x);
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polymost1PalswapPos = { polymost1PalswapPos.x - polymost1PalswapPos.y + (0.5f / PALSWAP_TEXTURE_SIZE),
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polymost1PalswapPos.y * polymost1PalswapSize.y + (0.5f / PALSWAP_TEXTURE_SIZE) };
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glUniform2f(polymost1PalswapPosLoc, polymost1PalswapPos.x, polymost1PalswapPos.y);
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}
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static void polymost_setPalswapSize(uint32_t width, uint32_t height)
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{
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if (currentShaderProgramID != polymost1CurrentShaderProgramID)
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return;
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polymost1PalswapSize = { width * (1.f / PALSWAP_TEXTURE_SIZE),
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height * (1.f / PALSWAP_TEXTURE_SIZE) };
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polymost1PalswapInnerSize = { (width - 1) * (1.f / PALSWAP_TEXTURE_SIZE),
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(height - 1) * (1.f / PALSWAP_TEXTURE_SIZE) };
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glUniform2f(polymost1PalswapSizeLoc, polymost1PalswapInnerSize.x, polymost1PalswapInnerSize.y);
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}
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#endif
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@ -14,6 +14,46 @@ class FShader;
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class PolymostShader;
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class SurfaceShader;
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class FTexture;
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class GLInstance;
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struct PaletteData
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{
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int32_t crc32;
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PalEntry colors[256];
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FHardwareTexture* paltexture;
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};
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class PaletteManager
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{
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// The current engine limit is 256 palettes and 256 palswaps.
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uint32_t palettemap[256] = {};
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uint32_t palswapmap[256] = {};
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uint32_t lastindex = ~0u;
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// Keep the short lived movie palettes out of the palette list for ease of maintenance.
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// Since it is transient this doesn't need to be preserved if it changes, unlike the other palettes which need to be preserved as references for the texture management.
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PaletteData transientpalette = { -1 };
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// All data is being stored in contiguous blocks that can be used as uniform buffers as-is.
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TArray<PaletteData> palettes;
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TArray<uint8_t> palswaps;
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GLInstance* const inst;
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//OpenGLRenderer::GLDataBuffer* palswapBuffer = nullptr;
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unsigned FindPalette(const uint8_t* paldata);
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public:
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PaletteManager(GLInstance *inst_) : inst(inst_)
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{}
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~PaletteManager();
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void DeleteAll();
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void SetPalette(int index, const uint8_t *data, bool transient);
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void AddPalswap(const uint8_t* data);
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void BindPalette(int index);
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};
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struct glinfo_t {
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const char* vendor;
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@ -128,6 +168,7 @@ class GLInstance
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unsigned TextureHandleCache[THCACHESIZE];
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int currentindex = THCACHESIZE;
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int maxTextureSize;
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PaletteManager palmanager;
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VSMatrix matrices[NUMMATRICES];
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PolymostRenderState renderState;
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@ -155,6 +196,7 @@ public:
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return value;
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}
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GLInstance();
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std::pair<size_t, BaseVertex *> AllocVertices(size_t num);
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void Draw(EDrawType type, size_t start, size_t count);
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@ -203,9 +245,15 @@ public:
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void SetPolymostShader();
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void SetSurfaceShader();
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void SetVPXShader();
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void SetPalette(int palette);
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void ReadPixels(int w, int h, uint8_t* buffer);
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void SetPaletteData(int index, const uint8_t* data, bool transient)
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{
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palmanager.SetPalette(index, data, transient);
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}
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void SetPalswap(uint32_t index)
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{
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