efl/legacy/evas/src/modules/engines/direct3d/evas_direct3d_image_cache.h

109 lines
2.6 KiB
C++

#ifndef __EVAS_DIRECT3D_IMAGE_CACHE_H__
#define __EVAS_DIRECT3D_IMAGE_CACHE_H__
#include "evas_engine.h"
#include "ref.h"
#include "array.h"
class D3DDevice;
class D3DImageCache : virtual public Referenc
{
public:
struct CacheEntryInfo
{
int id;
int width, height;
FLOAT u, v;
FLOAT du, dv;
};
public:
~D3DImageCache();
static D3DImageCache *Current();
static void SetCurrent(D3DImageCache *obj);
inline void SetMaxSize(int w, int h);
inline void SetMargin(int margin);
bool InsertImage(D3DDevice *d3d, DWORD *data, int w, int h, CacheEntryInfo &info);
bool InsertImage(D3DDevice *d3d, int id, DWORD *data, int w, int h, CacheEntryInfo &info);
bool CreateImage(D3DDevice *d3d, int w, int h, bool locked, CacheEntryInfo &info);
bool ResizeImage(D3DDevice *d3d, int nw, int nh, int id);
bool SelectImageToDevice(D3DDevice *d3d, int id);
void RemoveImageUser(int id);
void AddImageUser(int id);
bool UpdateImageData(CacheEntryInfo &info, DWORD *data);
bool UpdateImageDataWithDirtyInfo(CacheEntryInfo &info, DWORD *data, POINT *dirty);
bool UpdateImageDataDiscard(CacheEntryInfo &info, DWORD *data);
bool GetImageData(CacheEntryInfo &info, TArray<DWORD> &data);
void Uninitialize();
inline int GetImageWidth(int image_id);
inline int GetImageHeight(int image_id);
inline void SetImageStage(int image_id, int stage);
private:
struct CacheEntry
{
LPDIRECT3DTEXTURE9 texture;
int width;
int height;
int cur_x;
int cur_y;
int cur_h;
int users;
bool locked;
int stage;
};
private:
D3DImageCache();
bool RequestInsert(CacheEntry &entry, int w, int h);
bool CreateEntry(D3DDevice *d3d, CacheEntry &entry, int w, int h, bool exact_size = false);
bool InsertData(CacheEntry &entry, DWORD *data, int w, int h);
bool RetrieveData(CacheEntry &entry, DWORD *data, int w, int h);
void UpdateInsert(CacheEntry &entry, int w, int h);
private:
TArray<CacheEntry> _cache;
int _max_width;
int _max_height;
int _margin;
static Ref<D3DImageCache> _this;
};
void D3DImageCache::SetMaxSize(int w, int h)
{
_max_width = w;
_max_height = h;
}
void D3DImageCache::SetMargin(int margin)
{
_margin = margin;
}
int D3DImageCache::GetImageWidth(int image_id)
{
return _cache[image_id].width;
}
int D3DImageCache::GetImageHeight(int image_id)
{
return _cache[image_id].height;
}
void D3DImageCache::SetImageStage(int image_id, int stage)
{
_cache[image_id].stage = stage;
}
#endif // __EVAS_DIRECT3D_IMAGE_CACHE_H__