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69ea20b739
... so that updated backbuffer can be swapped and presented Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7079>
61 lines
2 KiB
C++
61 lines
2 KiB
C++
/* GStreamer
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* Copyright (C) 2024 Seungha Yang <seungha@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <gst/d3d12/gstd3d12.h>
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#include "gstd3d12pluginutils.h"
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#include "gstd3d12window-swapchain-resource.h"
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#include "gstd3d12window.h"
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#include <mutex>
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#include <memory>
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class SwapChain
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{
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public:
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SwapChain (GstD3D12Device * device);
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~SwapChain ();
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GstFlowReturn setup_swapchain (GstD3D12Window * window,
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GstD3D12Device * device, HWND hwnd, DXGI_FORMAT format,
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const GstVideoInfo * in_info, const GstVideoInfo * out_info,
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GstStructure * conv_config, bool & is_new_swapchain);
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void disable_alt_enter (HWND hwnd);
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GstFlowReturn resize_buffer (GstD3D12Window * window);
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GstFlowReturn set_buffer (GstD3D12Window * window, GstBuffer * buffer);
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GstFlowReturn present ();
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void expose (GstD3D12Window * window);
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private:
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void before_rendering ();
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void after_rendering ();
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private:
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std::unique_ptr<SwapChainResource> resource_;
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DXGI_FORMAT render_format_ = DXGI_FORMAT_UNKNOWN;
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std::recursive_mutex lock_;
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GstVideoFormat in_format_ = GST_VIDEO_FORMAT_UNKNOWN;
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GstStructure *converter_config_ = nullptr;
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bool first_present_ = true;
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bool backbuf_rendered_ = false;
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RECT output_rect_ = { };
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D3D12_BOX crop_rect_ = { };
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D3D12_BOX prev_crop_rect_ = { };
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};
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