void render()
{
obj->window()->resetOpenGLState();
QOpenGLFramebufferObject *fbo = framebufferObject();
mpv_opengl_fbo mpfbo{.fbo = static_cast<int>(fbo->handle()), .w = fbo->width(), .h = fbo->height(), .internal_format = 0};
int flip_y{0};
mpv_render_param params[] = {
// Specify the default framebuffer (0) as target. This will
// render onto the entire screen. If you want to show the video
// in a smaller rectangle or apply fancy transformations, you'll
// need to render into a separate FBO and draw it manually.
{MPV_RENDER_PARAM_OPENGL_FBO, &mpfbo},
// Flip rendering (needed due to flipped GL coordinate system).
{MPV_RENDER_PARAM_FLIP_Y, &flip_y},
{MPV_RENDER_PARAM_INVALID, nullptr}
};
// See render_gl.h on what OpenGL environment mpv expects, and
// other API details.
mpv_render_context_render(obj->mpv_gl, params);
obj->window()->resetOpenGLState();
}
};
/*!
Returns the rectangle of the surface device() that is occupied by
the viewport for this surface. The origin is at the top-left.
This function calls viewportGL() and then flips the rectangle
upside down using the height of device() so that the origin
is at the top-left instead of the bottom-left.
\sa viewportGL(), device()
*/
QRect QGLAbstractSurface::viewportRect() const
{
Q_ASSERT(isValid());
QRect view = viewportGL();
int height = 0;
if (surfaceType() == Window)
{
Q_ASSERT(window());
height = window()->height();
}
else if (surfaceType() == FramebufferObject)
{
Q_ASSERT(framebufferObject());
height = framebufferObject()->size().height();
}
return QRect(view.x(), height - (view.y() + view.height()),
view.width(), view.height());
}
