C++ (Cpp) GstGLWindow::draw примеры использования

Пример #1

Файл: gstglwindow_wayland_egl.c Проект: GrokImageCompression/gst-plugins-bad

static void
draw_cb (gpointer data)
{
  GstGLWindowWaylandEGL *window_egl = data;
  GstGLWindow *window = GST_GL_WINDOW (window_egl);
  GstGLContext *context = gst_gl_window_get_context (window);
  GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);

  create_surfaces (window_egl);

  if (window_egl->window.subsurface)
    wl_subsurface_set_desync (window_egl->window.subsurface);

  if (window->queue_resize) {
    guint width, height;

    gst_gl_window_get_surface_dimensions (window, &width, &height);
    gst_gl_window_resize (window, width, height);
  }

  if (window->draw)
    window->draw (window->draw_data);

  context_class->swap_buffers (context);

  if (window_egl->window.subsurface)
    wl_subsurface_set_desync (window_egl->window.subsurface);

  gst_object_unref (context);
}

Пример #2

Файл: gstglwindow_android_egl.c Проект: ikonst/gst-plugins-bad

static void
draw_cb (gpointer data)
{
  GstGLWindowAndroidEGL *window_egl = data;
  GstGLWindow *window = GST_GL_WINDOW (window_egl);
  GstGLContext *context = gst_gl_window_get_context (window);
  GstGLContextEGL *context_egl = GST_GL_CONTEXT_EGL (context);
  GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);

  if (context_egl->egl_surface) {
    gint width, height;

    if (eglQuerySurface (context_egl->egl_display,
            context_egl->egl_surface, EGL_WIDTH, &width) &&
        eglQuerySurface (context_egl->egl_display,
            context_egl->egl_surface, EGL_HEIGHT, &height)
        && (width != window_egl->window_width
            || height != window_egl->window_height)) {
      window_egl->window_width = width;
      window_egl->window_height = height;

      if (window->resize)
        window->resize (window->resize_data, width, height);
    }
  }

  if (window->draw)
    window->draw (window->draw_data);

  context_class->swap_buffers (context);

  gst_object_unref (context);
}

Пример #3

Файл: gstglwindow_wayland_egl.c Проект: ego5710/gst-plugins-bad

static void
draw_cb (gpointer data)
{
  GstGLWindowWaylandEGL *window_egl = data;
  GstGLWindow *window = GST_GL_WINDOW (window_egl);
  GstGLContext *context = gst_gl_window_get_context (window);
  GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);

  if (window->draw)
    window->draw (window->draw_data);

  context_class->swap_buffers (context);

  gst_object_unref (context);
}

Пример #4

Файл: gstglwindow.c Проект: kakaroto/gst-plugins-bad

static void
draw_cb (gpointer data)
{
  struct draw *draw_data = data;
  GstGLDummyWindow *dummy = draw_data->window;
  GstGLWindow *window = GST_GL_WINDOW (dummy);
  GstGLContext *context = gst_gl_window_get_context (window);
  GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);

  if (window->draw)
    window->draw (window->draw_data);

  context_class->swap_buffers (context);

  gst_object_unref (context);
}

Пример #5

Файл: gstglwindow.c Проект: luisbg/gst-plugins-bad

static void
draw_cb (gpointer data)
{
  GstGLWindow *window = GST_GL_WINDOW (data);
  GstGLContext *context = gst_gl_window_get_context (window);
  GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);

  if (window->queue_resize) {
    guint width, height;

    gst_gl_window_get_surface_dimensions (window, &width, &height);
    gst_gl_window_resize (window, width, height);
  }

  if (window->draw)
    window->draw (window->draw_data);

  if (context_class->swap_buffers)
    context_class->swap_buffers (context);

  gst_object_unref (context);
}

Пример #6

Файл: gstglwindow_dispmanx_egl.c Проект: ford-prefect/gst-plugins-bad

static void
draw_cb (gpointer data)
{
  GstGLWindowDispmanxEGL *window_egl = data;
  GstGLWindow *window = GST_GL_WINDOW (window_egl);
  GstGLContext *context = gst_gl_window_get_context (window);
  GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);

  if (window_egl->native.width != window_egl->preferred_width
      || window_egl->native.height != window_egl->preferred_height) {
    GST_DEBUG ("dimensions don't match, attempting resize");
    window_resize (window_egl, window_egl->preferred_width,
        window_egl->preferred_height);
  }

  if (window->draw)
    window->draw (window->draw_data);

  context_class->swap_buffers (context);

  gst_object_unref (context);
}

Пример #7

Файл: gstglwindow_win32.c Проект: ikonst/gst-plugins-bad

LRESULT CALLBACK
window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
  GstGLWindowWin32 *window_win32;
  LRESULT ret = 0;

  if (uMsg == WM_CREATE) {
    window_win32 =
        GST_GL_WINDOW_WIN32 (((LPCREATESTRUCT) lParam)->lpCreateParams);

    GST_TRACE ("WM_CREATE");

    window_win32->device = GetDC (hWnd);
    /* Do this, otherwise we hang on exit. We can still use it (due to the
     * CS_OWNDC flag in the WindowClass) after we have Released.
     */
    ReleaseDC (hWnd, window_win32->device);

    SetProp (hWnd, "gl_window", window_win32);
  } else if (GetProp (hWnd, "gl_window")) {
    GstGLWindow *window;
    GstGLContext *context;
    GstGLContextClass *context_class;

    window_win32 = GST_GL_WINDOW_WIN32 (GetProp (hWnd, "gl_window"));
    window = GST_GL_WINDOW (window_win32);
    context = gst_gl_window_get_context (window);
    context_class = GST_GL_CONTEXT_GET_CLASS (context);

    g_assert (window_win32->internal_win_id == hWnd);

    switch (uMsg) {
      case WM_SIZE:
      {
        if (window->resize) {
          window->resize (window->resize_data, LOWORD (lParam),
              HIWORD (lParam));
        }
        break;
      }
      case WM_PAINT:
      {
        if (window->draw) {
          PAINTSTRUCT ps;
          BeginPaint (hWnd, &ps);
          window->draw (window->draw_data);
          context_class->swap_buffers (context);
          EndPaint (hWnd, &ps);
        }
        break;
      }
      case WM_CLOSE:
      {
        ShowWindowAsync (window_win32->internal_win_id, SW_HIDE);

        GST_TRACE ("WM_CLOSE");

        if (window->close)
          window->close (window->close_data);
        break;
      }
      case WM_CAPTURECHANGED:
      {
        GST_DEBUG ("WM_CAPTURECHANGED");
        if (window->draw)
          window->draw (window->draw_data);
        break;
      }
      case WM_ERASEBKGND:
      {
        ret = TRUE;
        break;
      }
      default:
      {
        /* transmit messages to the parrent (ex: mouse/keyboard input) */
        HWND parent_id = window_win32->parent_win_id;
        if (parent_id)
          PostMessage (parent_id, uMsg, wParam, lParam);
        ret = DefWindowProc (hWnd, uMsg, wParam, lParam);
      }
    }

    gst_object_unref (context);
  } else {
    ret = DefWindowProc (hWnd, uMsg, wParam, lParam);
  }

  return ret;
}

Пример #8

Файл: gstglwindow_win32.c Проект: freedesktop-unofficial-mirror/gstreamer__attic__gst-plugins-gl

LRESULT CALLBACK
window_proc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
  GstGLWindowWin32 *window_win32;
  if (uMsg == WM_CREATE) {
    window_win32 =
        GST_GL_WINDOW_WIN32 (((LPCREATESTRUCT) lParam)->lpCreateParams);

    GST_TRACE ("WM_CREATE");

    window_win32->device = GetDC (hWnd);
    /* Do this, otherwise we hang on exit. We can still use it (due to the
     * CS_OWNDC flag in the WindowClass) after we have Released.
     */
    ReleaseDC (hWnd, window_win32->device);

    SetProp (hWnd, "gl_window", window_win32);
    return 0;
  } else if (GetProp (hWnd, "gl_window")) {
    GstGLWindow *window;
    GstGLContext *context;
    GstGLContextClass *context_class;

    window_win32 = GST_GL_WINDOW_WIN32 (GetProp (hWnd, "gl_window"));
    window = GST_GL_WINDOW (window_win32);
    context = gst_gl_window_get_context (window);
    context_class = GST_GL_CONTEXT_GET_CLASS (context);

    g_assert (window_win32->internal_win_id == hWnd);

    switch (uMsg) {
      case WM_SIZE:
      {
        if (window->resize) {
          window->resize (window->resize_data, LOWORD (lParam),
              HIWORD (lParam));
        }
        break;
      }
      case WM_PAINT:
      {
        if (window->draw) {
          PAINTSTRUCT ps;
          BeginPaint (hWnd, &ps);
          window->draw (window->draw_data);
          context_class->swap_buffers (context);
          EndPaint (hWnd, &ps);
        }
        break;
      }
      case WM_CLOSE:
      {
        ShowWindowAsync (window_win32->internal_win_id, SW_HIDE);

        GST_TRACE ("WM_CLOSE");

        if (window->close)
          window->close (window->close_data);
        break;
      }
      case WM_GST_GL_WINDOW_QUIT:
      {
        HWND parent_id = 0;

        GST_TRACE ("WM_GST_GL_WINDOW_QUIT");

        parent_id = window_win32->parent_win_id;
        if (parent_id) {
          WNDPROC parent_proc = GetProp (parent_id, "gl_window_parent_proc");

          g_assert (parent_proc);

          SetWindowLongPtr (parent_id, GWLP_WNDPROC, (LONG_PTR) parent_proc);
          SetParent (hWnd, NULL);

          RemoveProp (parent_id, "gl_window_parent_proc");
        }

        window_win32->is_closed = TRUE;
        RemoveProp (hWnd, "gl_window");

        if (window_win32->internal_win_id) {
          if (!DestroyWindow (window_win32->internal_win_id))
            GST_WARNING ("failed to destroy window %" G_GUINTPTR_FORMAT
                ", 0x%x", (guintptr) hWnd, (unsigned int) GetLastError ());
        }

        PostQuitMessage (0);
        break;
      }
      case WM_CAPTURECHANGED:
      {
        GST_DEBUG ("WM_CAPTURECHANGED");
        if (window->draw)
          window->draw (window->draw_data);
        break;
      }
      case WM_GST_GL_WINDOW_CUSTOM:
      {
        if (!window_win32->is_closed) {
          GstGLMessage *message = (GstGLMessage *) wParam;
          _run_message (message);
        }
        break;
      }
      case WM_ERASEBKGND:
        return TRUE;
      default:
      {
        /* transmit messages to the parrent (ex: mouse/keyboard input) */
        HWND parent_id = window_win32->parent_win_id;
        if (parent_id)
          PostMessage (parent_id, uMsg, wParam, lParam);
        return DefWindowProc (hWnd, uMsg, wParam, lParam);
      }
    }

    gst_object_unref (context);

    return 0;
  } else {
    return DefWindowProc (hWnd, uMsg, wParam, lParam);
  }
}