ppsspp/GPU/GLES/TextureCache.h
2016-12-27 11:59:12 +01:00

141 lines
4.3 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#pragma once
#include <map>
#include "gfx_es2/gpu_features.h"
#include "Globals.h"
#include "GPU/GPUInterface.h"
#include "GPU/GPUState.h"
#include "GPU/GLES/FBO.h"
#include "GPU/GLES/TextureScaler.h"
#include "GPU/Common/TextureCacheCommon.h"
struct VirtualFramebuffer;
class FramebufferManager;
class DepalShaderCache;
class ShaderManager;
class DrawEngineGLES;
inline bool UseBGRA8888() {
// TODO: Other platforms? May depend on vendor which is faster?
#ifdef _WIN32
return gl_extensions.EXT_bgra;
#endif
return false;
}
class TextureCache : public TextureCacheCommon {
public:
TextureCache();
~TextureCache();
void SetTexture(bool force = false);
virtual bool SetOffsetTexture(u32 offset) override;
void Clear(bool delete_them);
void StartFrame();
void Invalidate(u32 addr, int size, GPUInvalidationType type) override;
void InvalidateAll(GPUInvalidationType type) override;
void ClearNextFrame();
void SetFramebufferManager(FramebufferManager *fbManager) {
framebufferManager_ = fbManager;
}
void SetDepalShaderCache(DepalShaderCache *dpCache) {
depalShaderCache_ = dpCache;
}
void SetShaderManager(ShaderManager *sm) {
shaderManager_ = sm;
}
void SetTransformDrawEngine(DrawEngineGLES *td) {
transformDraw_ = td;
}
size_t NumLoadedTextures() const {
return cache.size();
}
void ForgetLastTexture() {
lastBoundTexture = -1;
gstate_c.textureChanged |= TEXCHANGE_PARAMSONLY;
}
u32 AllocTextureName();
// Only used by Qt UI?
bool DecodeTexture(u8 *output, const GPUgstate &state);
void SetFramebufferSamplingParams(u16 bufferWidth, u16 bufferHeight);
void ApplyTexture();
protected:
void DownloadFramebufferForClut(u32 clutAddr, u32 bytes) override;
private:
void Decimate(); // Run this once per frame to get rid of old textures.
void DeleteTexture(TexCache::iterator it);
void UpdateSamplingParams(TexCacheEntry &entry, bool force);
void LoadTextureLevel(TexCacheEntry &entry, ReplacedTexture &replaced, int level, bool replaceImages, int scaleFactor, GLenum dstFmt);
GLenum GetDestFormat(GETextureFormat format, GEPaletteFormat clutFormat) const;
void *DecodeTextureLevelOld(GETextureFormat format, GEPaletteFormat clutformat, int level, GLenum dstFmt, int scaleFactor, int *bufw = 0);
TexCacheEntry::Status CheckAlpha(const u32 *pixelData, GLenum dstFmt, int stride, int w, int h);
u32 GetCurrentClutHash();
void UpdateCurrentClut(GEPaletteFormat clutFormat, u32 clutBase, bool clutIndexIsSimple);
bool AttachFramebuffer(TexCacheEntry *entry, u32 address, VirtualFramebuffer *framebuffer, u32 texaddrOffset = 0) override;
void SetTextureFramebuffer(TexCacheEntry *entry, VirtualFramebuffer *framebuffer);
void ApplyTextureFramebuffer(TexCacheEntry *entry, VirtualFramebuffer *framebuffer);
bool CheckFullHash(TexCacheEntry *const entry, bool &doDelete);
bool HandleTextureChange(TexCacheEntry *const entry, const char *reason, bool initialMatch, bool doDelete);
void BuildTexture(TexCacheEntry *const entry, bool replaceImages);
std::vector<u32> nameCache_;
TexCache secondCache;
u32 secondCacheSizeEstimate_;
bool clearCacheNextFrame_;
bool lowMemoryMode_;
TextureScalerGL scaler;
u32 clutHash_;
u32 lastBoundTexture;
float maxAnisotropyLevel;
int decimationCounter_;
int texelsScaledThisFrame_;
int timesInvalidatedAllThisFrame_;
FramebufferManager *framebufferManager_;
DepalShaderCache *depalShaderCache_;
ShaderManager *shaderManager_;
DrawEngineGLES *transformDraw_;
const char *nextChangeReason_;
bool nextNeedsRehash_;
bool nextNeedsChange_;
bool nextNeedsRebuild_;
};
GLenum getClutDestFormat(GEPaletteFormat format);