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glviewconvert: expose the element on gles2 platforms

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We can do everything with gles3 however gles2 restricts us not allowing
separated or frame-by-frame multiview modes due to multiple draw buffers.
This commit is contained in:
Matthew Waters 2015-10-26 17:36:21 +11:00 committed by Tim-Philipp Müller
parent 89122224eb
commit cfb0d7e9f3
2 changed files with 16 additions and 5 deletions
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10
ext/gl/gstopengl.c
View file

@ -199,6 +199,11 @@ plugin_init (GstPlugin * plugin)
GST_RANK_NONE, GST_TYPE_GL_FILTER_APP)) { GST_RANK_NONE, GST_TYPE_GL_FILTER_APP)) {
return FALSE; return FALSE;
} }
if (!gst_element_register (plugin, "glviewconvert",
GST_RANK_NONE, GST_TYPE_GL_VIEW_CONVERT_ELEMENT)) {
return FALSE;
}
#if HAVE_JPEG #if HAVE_JPEG
#if HAVE_PNG #if HAVE_PNG
if (!gst_element_register (plugin, "gloverlay", if (!gst_element_register (plugin, "gloverlay",
@ -228,11 +233,6 @@ plugin_init (GstPlugin * plugin)
return FALSE; 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", if (!gst_element_register (plugin, "glmosaic",
GST_RANK_NONE, GST_TYPE_GL_MOSAIC)) { GST_RANK_NONE, GST_TYPE_GL_MOSAIC)) {
return FALSE; return FALSE;

11
gst-libs/gst/gl/gstglviewconvert.c
View file

@ -1449,6 +1449,17 @@ _init_view_convert (GstGLViewConvert * viewconvert)
"Cannot perform multiview conversion without OpenGL shaders"); "Cannot perform multiview conversion without OpenGL shaders");
goto error; 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) == if ((in_flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST) ==
(out_flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST)) { (out_flags & GST_VIDEO_MULTIVIEW_FLAGS_RIGHT_VIEW_FIRST)) {
l_index = 0; l_index = 0;