diff --git a/ext/gl/gstopengl.c b/ext/gl/gstopengl.c index 1fad0a239b..7784f0ae30 100644 --- a/ext/gl/gstopengl.c +++ b/ext/gl/gstopengl.c @@ -199,6 +199,11 @@ plugin_init (GstPlugin * plugin) GST_RANK_NONE, GST_TYPE_GL_FILTER_APP)) { return FALSE; } + + if (!gst_element_register (plugin, "glviewconvert", + GST_RANK_NONE, GST_TYPE_GL_VIEW_CONVERT_ELEMENT)) { + return FALSE; + } #if HAVE_JPEG #if HAVE_PNG if (!gst_element_register (plugin, "gloverlay", @@ -228,11 +233,6 @@ plugin_init (GstPlugin * plugin) return FALSE; } - if (!gst_element_register (plugin, "glviewconvert", - GST_RANK_NONE, GST_TYPE_GL_VIEW_CONVERT_ELEMENT)) { - return FALSE; - } - if (!gst_element_register (plugin, "glmosaic", GST_RANK_NONE, GST_TYPE_GL_MOSAIC)) { return FALSE; diff --git a/gst-libs/gst/gl/gstglviewconvert.c b/gst-libs/gst/gl/gstglviewconvert.c index ef348f0bf6..149273a77c 100644 --- a/gst-libs/gst/gl/gstglviewconvert.c +++ b/gst-libs/gst/gl/gstglviewconvert.c @@ -1449,6 +1449,17 @@ _init_view_convert (GstGLViewConvert * viewconvert) "Cannot perform multiview conversion without OpenGL shaders"); goto error; } + + if (out_mode == GST_VIDEO_MULTIVIEW_MODE_SEPARATED + || out_mode == GST_VIDEO_MULTIVIEW_MODE_FRAME_BY_FRAME) { + if (!gl->DrawBuffers) { + GST_ERROR_OBJECT (viewconvert, + "Separate texture output mode requested however the current " + "OpenGL API does not support drawing to multiple buffers"); + goto error; + } + } + if ((in_flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST) == (out_flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST)) { l_index = 0;