diff options
Diffstat (limited to 'src/gui/opengl/qopenglframebufferobject.cpp')
| -rw-r--r-- | src/gui/opengl/qopenglframebufferobject.cpp | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/gui/opengl/qopenglframebufferobject.cpp b/src/gui/opengl/qopenglframebufferobject.cpp index 90416db72b..247ecf7351 100644 --- a/src/gui/opengl/qopenglframebufferobject.cpp +++ b/src/gui/opengl/qopenglframebufferobject.cpp @@ -1012,23 +1012,28 @@ QOpenGLFramebufferObjectFormat QOpenGLFramebufferObject::format() const Q_GUI_EXPORT QImage qt_gl_read_framebuffer(const QSize &size, bool alpha_format, bool include_alpha) { - QImage img(size, (alpha_format && include_alpha) ? QImage::Format_ARGB32_Premultiplied - : QImage::Format_RGB32); int w = size.width(); int h = size.height(); + while (glGetError()); + +#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN + QImage img(size, (alpha_format && include_alpha) ? QImage::Format_ARGB32_Premultiplied + : QImage::Format_RGB32); #ifdef QT_OPENGL_ES GLint fmt = GL_BGRA_EXT; #else GLint fmt = GL_BGRA; #endif - while (glGetError()); glReadPixels(0, 0, w, h, fmt, GL_UNSIGNED_BYTE, img.bits()); - if (glGetError()) { - glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, img.bits()); - img = img.rgbSwapped(); - } - return img.mirrored(); + if (!glGetError()) + return img.mirrored(); +#endif + + QImage rgbaImage(size, (alpha_format && include_alpha) ? QImage::Format_RGBA8888_Premultiplied + : QImage::Format_RGBX8888); + glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, rgbaImage.bits()); + return rgbaImage.mirrored(); } /*! |