C++ (Cpp) egl_context_new示例

示例#1

文件： gstvaapidisplay_egl.c 项目： ceyusa/gstreamer-vaapi

static gboolean
reset_context (GstVaapiDisplayEGL * display, EGLContext gl_context)
{
  EglConfig *config;
  EglContext *ctx;

  egl_object_replace (&display->egl_context, NULL);

  if (gl_context != EGL_NO_CONTEXT)
    ctx = egl_context_new_wrapped (display->egl_display, gl_context);
  else {
    config = egl_config_new (display->egl_display, display->gles_version,
        GST_VIDEO_FORMAT_RGB);
    if (!config)
      return FALSE;

    ctx = egl_context_new (display->egl_display, config, NULL);
    egl_object_unref (config);
  }
  if (!ctx)
    return FALSE;

  egl_object_replace (&display->egl_context, ctx);
  egl_object_unref (ctx);
  return TRUE;
}

示例#2

文件： gstvaapiutils_egl.c 项目： GStreamer/gstreamer-vaapi

static gboolean
egl_window_init (EglWindow * window, EglContext * ctx, gpointer native_window)
{
  EGLSurface gl_surface;

  window->context = egl_context_new (ctx->display, ctx->config, ctx);
  if (!window->context)
    return FALSE;
  ctx = window->context;

  gl_surface = eglCreateWindowSurface (ctx->display->base.handle.p,
      ctx->config->base.handle.p, (EGLNativeWindowType) native_window, NULL);
  if (!gl_surface)
    return FALSE;

  window->surface = egl_surface_new_wrapped (ctx->display, gl_surface);
  if (!window->surface)
    goto error_create_surface;
  window->base.handle.p = gl_surface;
  window->base.is_wrapped = FALSE;

  egl_context_set_surface (ctx, window->surface);
  return TRUE;

  /* ERRORS */
error_create_surface:
  GST_ERROR ("failed to create EGL wrapper surface");
  eglDestroySurface (ctx->display->base.handle.p, gl_surface);
  return FALSE;
}