gstreamer/subprojects/gst-plugins-bad/sys/d3d12/gstd3d12window-swapchain.h

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/* 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 <gst/d3d12/gstd3d12.h>
#include "gstd3d12pluginutils.h"
#include "gstd3d12window-swapchain-resource.h"
#include "gstd3d12window.h"
#include <mutex>
#include <memory>
class SwapChain
{
public:
SwapChain (GstD3D12Device * device);
~SwapChain ();
GstFlowReturn setup_swapchain (GstD3D12Window * window,
GstD3D12Device * device, HWND hwnd, DXGI_FORMAT format,
const GstVideoInfo * in_info, const GstVideoInfo * out_info,
GstStructure * conv_config, bool & is_new_swapchain);
void disable_alt_enter (HWND hwnd);
GstFlowReturn resize_buffer (GstD3D12Window * window);
GstFlowReturn set_buffer (GstD3D12Window * window, GstBuffer * buffer);
GstFlowReturn present ();
private:
void before_rendering ();
void after_rendering ();
private:
std::unique_ptr<SwapChainResource> resource_;
DXGI_FORMAT render_format_ = DXGI_FORMAT_UNKNOWN;
std::recursive_mutex lock_;
GstVideoFormat in_format_ = GST_VIDEO_FORMAT_UNKNOWN;
GstStructure *converter_config_ = nullptr;
bool first_present_ = true;
bool backbuf_rendered_ = false;
RECT output_rect_ = { };
D3D12_BOX crop_rect_ = { };
D3D12_BOX prev_crop_rect_ = { };
};