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41 
42 #ifndef PVRQWSDRAWABLE_P_H
43 #define PVRQWSDRAWABLE_P_H
44 
45 //
46 //  W A R N I N G
47 //  -------------
48 //
49 // This file is not part of the Qt API.  It exists for the convenience
50 // reasons.  This header file may change from version to version
51 // without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include <pvr2d.h>
57 #include "pvrqwsdrawable.h"
58 
59 #ifdef __cplusplus
60 extern "C" {
61 #endif
62 
63 #define PVRQWS_MAX_VISIBLE_RECTS    32
64 #define PVRQWS_MAX_SCREENS          1
65 #define PVRQWS_MAX_BACK_BUFFERS     2
66 #define PVRQWS_MAX_FLIP_BUFFERS     2
67 
68 typedef struct {
69 
70     PvrQwsRect          screenRect;
71     int                 screenStride;
72     PVR2DFORMAT         pixelFormat;
73     int                 bytesPerPixel;
74     PVR2DMEMINFO       *frameBuffer;
75     PvrQwsDrawable     *screenDrawable;
76     void               *mapped;
77     int                 mappedLength;
78     unsigned long       screenStart;
79     int                 needsUnmap;
80     int                 initialized;
81 
82 } PvrQwsScreenInfo;
83 
84 typedef struct {
85 
86     int                 refCount;
87     PvrQwsScreenInfo    screens[PVRQWS_MAX_SCREENS];
88     PVR2DCONTEXTHANDLE  context;
89     int                 numDrawables;
90     unsigned long       numFlipBuffers;
91     PVR2DFLIPCHAINHANDLE flipChain;
92     PVR2DMEMINFO       *flipBuffers[PVRQWS_MAX_FLIP_BUFFERS];
93     int                 usePresentBlit;
94     PvrQwsDrawable     *firstWinId;
95 
96 } PvrQwsDisplay;
97 
98 extern PvrQwsDisplay pvrQwsDisplay;
99 
100 struct _PvrQwsDrawable
101 {
102     PvrQwsDrawableType  type;
103     long                winId;
104     int                 refCount;
105     PvrQwsRect          rect;
106     int                 screen;
107     PVR2DFORMAT         pixelFormat;
108     PvrQwsRect          visibleRects[PVRQWS_MAX_VISIBLE_RECTS];
109     int                 numVisibleRects;
110     PVR2DMEMINFO       *backBuffers[PVRQWS_MAX_BACK_BUFFERS];
111     int                 currentBackBuffer;
112     int                 backBuffersValid;
113     int                 usingFlipBuffers;
114     int                 isFullScreen;
115     int                 strideBytes;
116     int                 stridePixels;
117     int                 rotationAngle;
118     PvrQwsSwapFunction  swapFunction;
119     void               *userData;
120     PvrQwsDrawable     *nextWinId;
121 
122 };
123 
124 /* Get the current source and render buffers for a drawable */
125 int pvrQwsGetBuffers
126     (PvrQwsDrawable *drawable, PVR2DMEMINFO **source, PVR2DMEMINFO **render);
127 
128 #ifdef __cplusplus
129 };
130 #endif
131 
132 #endif
133