Exemplos de gst_gl_context_use_fbo em C++ (Cpp)

Exemplo n.º 1

Arquivo: gstglfiltercube.c Projeto: Lachann/gst-plugins-bad

static gboolean
gst_gl_filter_cube_filter_texture (GstGLFilter * filter, guint in_tex,
    guint out_tex)
{
  GstGLFilterCube *cube_filter = GST_GL_FILTER_CUBE (filter);
  GLCB cb = NULL;
  GstGLAPI api;

  api = gst_gl_context_get_gl_api (GST_GL_FILTER (cube_filter)->context);

#if GST_GL_HAVE_OPENGL
  if (api & GST_GL_API_OPENGL)
    cb = _callback_opengl;
#endif
#if GST_GL_HAVE_GLES2
  if (api & GST_GL_API_GLES2)
    cb = _callback_gles2;
#endif

  /* blocking call, use a FBO */
  gst_gl_context_use_fbo (filter->context,
      GST_VIDEO_INFO_WIDTH (&filter->out_info),
      GST_VIDEO_INFO_HEIGHT (&filter->out_info),
      filter->fbo, filter->depthbuffer, out_tex,
      cb,
      GST_VIDEO_INFO_WIDTH (&filter->in_info),
      GST_VIDEO_INFO_HEIGHT (&filter->in_info),
      in_tex, cube_filter->fovy, cube_filter->aspect,
      cube_filter->znear, cube_filter->zfar,
      GST_GL_DISPLAY_PROJECTION_PERSPECTIVE, (gpointer) cube_filter);

  return TRUE;
}

Exemplo n.º 2

Arquivo: gstglfilter.c Projeto: mapmapteam/gst-plugins-gl

/**
 * gst_gl_filter_render_to_target:
 * @filter: a #GstGLFilter
 * @resize: whether to automatically resize the texture between the input size
 *          and the output size
 * @input: the input texture
 * @target: the output texture
 * @func: the function to transform @input into @output. called with @data
 * @data: the data associated with @func
 *
 * Transforms @input into @output using @func on through FBO.  @resize should
 * only ever be %TRUE whenever @input is the input texture of @filter.
 */
void
gst_gl_filter_render_to_target (GstGLFilter * filter, gboolean resize,
    GLuint input, GLuint target, GLCB func, gpointer data)
{
  guint in_width, in_height, out_width, out_height;

  out_width = GST_VIDEO_INFO_WIDTH (&filter->out_info);
  out_height = GST_VIDEO_INFO_HEIGHT (&filter->out_info);
  if (resize) {
    in_width = GST_VIDEO_INFO_WIDTH (&filter->in_info);
    in_height = GST_VIDEO_INFO_HEIGHT (&filter->in_info);
  } else {
    in_width = out_width;
    in_height = out_height;
  }

  GST_LOG ("rendering to target. in %u, %ux%u out %u, %ux%u", input, in_width,
      in_height, target, out_width, out_height);

  gst_gl_context_use_fbo (filter->context,
      out_width, out_height,
      filter->fbo, filter->depthbuffer, target,
      func, in_width, in_height, input, 0,
      in_width, 0, in_height, GST_GL_DISPLAY_PROJECTION_ORTHO2D, data);
}

Exemplo n.º 3

Arquivo: gstglbumper.c Projeto: Lachann/gst-plugins-bad

static gboolean
gst_gl_bumper_filter_texture (GstGLFilter * filter, guint in_tex, guint out_tex)
{
  gpointer bumper_filter = GST_GL_BUMPER (filter);

  //blocking call, use a FBO
  gst_gl_context_use_fbo (filter->context,
      GST_VIDEO_INFO_WIDTH (&filter->out_info),
      GST_VIDEO_INFO_HEIGHT (&filter->out_info),
      filter->fbo, filter->depthbuffer, out_tex, gst_gl_bumper_callback,
      GST_VIDEO_INFO_WIDTH (&filter->in_info),
      GST_VIDEO_INFO_HEIGHT (&filter->in_info),
      in_tex, 45,
      (gdouble) GST_VIDEO_INFO_WIDTH (&filter->out_info) /
      (gdouble) GST_VIDEO_INFO_HEIGHT (&filter->out_info), 0.1, 50,
      GST_GL_DISPLAY_PROJECTION_PERSPECTIVE, bumper_filter);

  return TRUE;
}

Exemplo n.º 4

Arquivo: gstglfilterreflectedscreen.c Projeto: freedesktop-unofficial-mirror/gstreamer__attic__gst-plugins-gl

static gboolean
gst_gl_filter_reflected_screen_filter_texture (GstGLFilter * filter,
    guint in_tex, guint out_tex)
{
  GstGLFilterReflectedScreen *reflected_screen_filter =
      GST_GL_FILTER_REFLECTED_SCREEN (filter);

  //blocking call, use a FBO
  gst_gl_context_use_fbo (filter->context,
      GST_VIDEO_INFO_WIDTH (&filter->out_info),
      GST_VIDEO_INFO_HEIGHT (&filter->out_info),
      filter->fbo, filter->depthbuffer, out_tex,
      gst_gl_filter_reflected_screen_callback,
      GST_VIDEO_INFO_WIDTH (&filter->in_info),
      GST_VIDEO_INFO_HEIGHT (&filter->in_info), in_tex,
      reflected_screen_filter->fovy, reflected_screen_filter->aspect,
      reflected_screen_filter->znear, reflected_screen_filter->zfar,
      GST_GL_DISPLAY_PROJECTION_PERSPECTIVE,
      (gpointer) reflected_screen_filter);

  return TRUE;
}