gstreamer/subprojects/gst-plugins-bad/sys/dwrite/gstdwriterender.h
Seungha Yang 15434ce51d dwrite: D3D12 integration
Adding d3d12 backend text renderer/blender by using d3d11on12 interop.
And subclassing renderer object per backend (i.e., d3d11, d3d12, and bitmap)

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6620>
2024-04-14 09:55:41 +00:00

87 lines
3.5 KiB
C

/* GStreamer
* Copyright (C) 2024 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "gstdwriteoverlayobject.h"
G_BEGIN_DECLS
#define GST_TYPE_DWRITE_RENDER (gst_dwrite_render_get_type ())
G_DECLARE_DERIVABLE_TYPE (GstDWriteRender,
gst_dwrite_render, GST, DWRITE_RENDER, GstObject);
struct _GstDWriteRenderClass
{
GstObjectClass parent_class;
GstBuffer * (*draw_layout) (GstDWriteRender * render,
IDWriteTextLayout * layout,
gint x,
gint y);
gboolean (*blend) (GstDWriteRender * render,
GstBuffer * layout_buf,
gint x,
gint y,
GstBuffer * output);
gboolean (*update_device) (GstDWriteRender * renderer,
GstBuffer * buffer);
gboolean (*handle_allocation_query) (GstDWriteRender * render,
GstElement * elem,
GstQuery * query);
gboolean (*can_inplace) (GstDWriteRender * render,
GstBuffer * buffer);
gboolean (*upload) (GstDWriteRender * render,
const GstVideoInfo * info,
GstBuffer * in_buf,
GstBuffer * out_buf);
};
GstBuffer * gst_dwrite_render_draw_layout (GstDWriteRender * render,
IDWriteTextLayout * layout,
gint x,
gint y);
gboolean gst_dwrite_render_blend (GstDWriteRender * render,
GstBuffer * layout_buf,
gint x,
gint y,
GstBuffer * output);
gboolean gst_dwrite_render_update_device (GstDWriteRender * render,
GstBuffer * buffer);
gboolean gst_dwrite_render_handle_allocation_query (GstDWriteRender * render,
GstElement * elem,
GstQuery * query);
gboolean gst_dwrite_render_can_inplace (GstDWriteRender * render,
GstBuffer * buffer);
gboolean gst_dwrite_render_upload (GstDWriteRender * render,
const GstVideoInfo * info,
GstBuffer * in_buf,
GstBuffer * out_buf);
G_END_DECLS