Qt 4.8
quikitwindowsurface.mm
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41 
42 #include "quikitwindowsurface.h"
43 #include "quikitwindow.h"
44 
45 #include <QtOpenGL/private/qgl_p.h>
46 #include <QtOpenGL/private/qglpaintdevice_p.h>
47 
48 #include <QtDebug>
49 
50 class EAGLPaintDevice;
51 
52 @interface PaintDeviceHelper : NSObject {
54 }
55 
56 @property (nonatomic, assign) EAGLPaintDevice *device;
57 
58 - (void)eaglView:(EAGLView *)view usesFramebuffer:(GLuint)buffer;
59 
60 @end
61 
63 {
64 public:
66  :QGLPaintDevice(), mWindow(window)
67  {
68 #if defined(QT_OPENGL_ES_2)
69  helper = [[PaintDeviceHelper alloc] init];
70  helper.device = this;
71  EAGLView *view = static_cast<QUIKitWindow *>(window)->nativeView();
72  view.delegate = helper;
73  m_thisFBO = view.fbo;
74 #endif
75  }
76 
78  {
79 #if defined(QT_OPENGL_ES_2)
80  [helper release];
81 #endif
82  }
83 
84  void setFramebuffer(GLuint buffer) { m_thisFBO = buffer; }
85  int devType() const { return QInternal::OpenGL; }
86  QSize size() const { return mWindow->geometry().size(); }
87  QGLContext* context() const { return QGLContext::fromPlatformGLContext(mWindow->glContext()); }
88 
90 
91 private:
94 };
95 
96 @implementation PaintDeviceHelper
97 @synthesize device;
98 
99 - (void)eaglView:(EAGLView *)view usesFramebuffer:(GLuint)buffer
100 {
101  Q_UNUSED(view)
102  if (device)
103  device->setFramebuffer(buffer);
104 }
105 
106 @end
107 
109 
111  : QWindowSurface(window), mPaintDevice(new EAGLPaintDevice(window->platformWindow()))
112 {
113 }
114 
116 {
117  return mPaintDevice;
118 }
119 
121 {
122  Q_UNUSED(widget);
123  Q_UNUSED(region);
124  Q_UNUSED(offset);
125  widget->platformWindow()->glContext()->swapBuffers();
126 }
127 
128 QWindowSurface::WindowSurfaceFeatures QUIKitWindowSurface::features() const
129 {
130  return 0;
131 }
132 
EAGLPaintDevice * device
GLint fbo
Definition: quikitwindow.h:84
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QPointer< QWidget > widget
void setFramebuffer(GLuint buffer)
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
virtual QPoint offset(const QWidget *widget) const
Returns the offset of widget in the coordinates of this window surface.
QPaintEngine * paintEngine() const
The QPlatformWindow class provides an abstraction for top-level windows.
QPlatformWindow * mWindow
NSWindow * window
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QGLContext class encapsulates an OpenGL rendering context.
Definition: qgl.h:310
void flush(QWidget *widget, const QRegion &region, const QPoint &offset)
Flushes the given region from the specified widget onto the screen.
The QRegion class specifies a clip region for a painter.
Definition: qregion.h:68
The QPaintEngine class provides an abstract definition of how QPainter draws to a given device on a g...
Definition: qpaintengine.h:90
Q_OPENGL_EXPORT QPaintEngine * qt_qgl_paint_engine()
Definition: qgl.cpp:5530
The QWindowSurface class provides the drawing area for top-level windows.
QPaintDevice * paintDevice()
Implement this function to return the appropriate paint device.
WindowSurfaceFeatures features() const
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
PaintDeviceHelper * helper
QGLContext * context() const
QPaintDevice * mPaintDevice
The QSize class defines the size of a two-dimensional object using integer point precision.
Definition: qsize.h:53
EAGLPaintDevice(QPlatformWindow *window)
#define Q_UNUSED(x)
Indicates to the compiler that the parameter with the specified name is not used in the body of a fun...
Definition: qglobal.h:1729
QUIKitWindowSurface(QWidget *window)