149 lines
3.3 KiB
C++
149 lines
3.3 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef RENDERCONTEXT_H
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#define RENDERCONTEXT_H
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#include <QObject>
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#include <QVariant>
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#include "common/define.h"
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#include "common/timerange.h"
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#include "node/node.h"
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#include "render/colorprocessor.h"
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#include "render/videoparams.h"
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OLIVE_NAMESPACE_ENTER
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class Renderer : public QObject
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{
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Q_OBJECT
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public:
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Renderer(QObject* parent = nullptr);
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virtual ~Renderer() override;
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virtual bool Init() = 0;
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class Texture
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{
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public:
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Texture(Renderer* renderer, const QVariant& native, const VideoParams& param) :
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renderer_(renderer),
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params_(param),
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id_(native)
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{
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}
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~Texture()
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{
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renderer_->DestroyNativeTexture(id_);
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}
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QVariant id() const
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{
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return id_;
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}
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const VideoParams& params() const
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{
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return params_;
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}
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void Upload(void* data, int linesize = 0)
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{
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renderer_->UploadToTexture(this, data, linesize);
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}
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int width() const
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{
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return params_.width();
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}
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int height() const
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{
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return params_.height();
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}
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PixelFormat::Format format() const
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{
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return params_.format();
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}
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int divider() const
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{
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return params_.divider();
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}
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const rational& pixel_aspect_ratio() const
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{
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return params_.pixel_aspect_ratio();
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}
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private:
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Renderer* renderer_;
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VideoParams params_;
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QVariant id_;
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};
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using TexturePtr = std::shared_ptr<Texture>;
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TexturePtr CreateTexture(const VideoParams& param, void* data = nullptr, int linesize = 0);
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public slots:
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virtual void PostInit() = 0;
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virtual void Destroy() = 0;
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virtual QVariant CreateNativeTexture(const VideoParams& param, void* data = nullptr, int linesize = 0) = 0;
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virtual void DestroyNativeTexture(QVariant texture) = 0;
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virtual QVariant CreateNativeShader(const ShaderCode& code) = 0;
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virtual void DestroyNativeShader(QVariant shader) = 0;
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virtual void UploadToTexture(Texture* texture, void* data, int linesize) = 0;
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virtual void DownloadFromTexture(Texture* texture, void* data, int linesize) = 0;
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virtual TexturePtr ProcessShader(const OLIVE_NAMESPACE::Node* node,
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const OLIVE_NAMESPACE::TimeRange &range,
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const OLIVE_NAMESPACE::ShaderJob &job,
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const OLIVE_NAMESPACE::VideoParams ¶ms) = 0;
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virtual TexturePtr TransformColor(Texture* texture, OLIVE_NAMESPACE::ColorProcessorPtr processor) = 0;
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virtual void Render() = 0;
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virtual void RenderToTexture(Texture* destination) = 0;
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private:
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};
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OLIVE_NAMESPACE_EXIT
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#endif // RENDERCONTEXT_H
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