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14 ** file. Please review the following information to ensure the GNU Lesser
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22 ** GNU General Public License Usage
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40 ****************************************************************************/
42 #include "qwaylandreadbackcglcontext.h"
44 #include "qwaylandshmbackingstore.h"
45 #include "qwaylandreadbackcglwindow.h"
47 #include <QtGui/QGuiGLContext>
48 #include <QtCore/QDebug>
50 #include <OpenGL/OpenGL.h>
51 #include <OpenGL/glext.h>
53 #include <QtPlatformSupport/private/cglconvenience_p.h>
55 QWaylandReadbackCGLContext::QWaylandReadbackCGLContext(QPlatformGLContext *share)
56 : QPlatformGLContext()
59 m_glContext = qcgl_createGlContext();
62 QSurfaceFormat QWaylandReadbackCGLContext::format() const
64 return qcgl_surfaceFormat();
67 bool QWaylandReadbackCGLContext::makeCurrent(QPlatformSurface *surface)
69 QWaylandReadbackCGLWindow *window = static_cast<QWaylandReadbackCGLWindow *>(surface);
70 CGLSetPBuffer(m_glContext, window->pixelBuffer(), 0, 0, 0);
71 CGLSetCurrentContext(m_glContext);
75 void QWaylandReadbackCGLContext::doneCurrent()
77 CGLSetCurrentContext(0);
80 void QWaylandReadbackCGLContext::swapBuffers(QPlatformSurface *surface)
84 if (QGuiGLContext::currentContext()->handle() != this) {
87 CGLFlushDrawable(m_glContext);
89 QWaylandReadbackCGLWindow *window = static_cast<QWaylandReadbackCGLWindow *>(surface);
91 QSize size = window->geometry().size();
93 QImage img(size,QImage::Format_ARGB32);
95 const uchar *constBits = img.bits();
96 void *pixels = const_cast<uchar *>(constBits);
98 // glReadPixels(0,0, size.width(), size.height(), GL_RGBA,GL_UNSIGNED_BYTE, pixels);
99 // img = img.mirrored();
100 // qgl_byteSwapImage(img,GL_UNSIGNED_INT_8_8_8_8_REV);
102 constBits = img.bits();
104 const uchar *constDstBits = window->buffer();
105 uchar *dstBits = const_cast<uchar *>(constDstBits);
106 memcpy(dstBits,constBits,(img.width()*4) * img.height());
108 window->damage(QRect(QPoint(0,0),size));
109 window->waitForFrameSync();
112 void (*QWaylandReadbackCGLContext::getProcAddress(const QByteArray &procName)) ()
114 return qcgl_getProcAddress(procName);