uhh yeah this might be fubar

2020-11-07 22:44:27 +11:00
parent 13dd31d5be
commit 83cefbd7c7
25 changed files with 1131 additions and 597 deletions
@@ -0,0 +1,148 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program 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 General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef RENDERCONTEXT_H
+#define RENDERCONTEXT_H
+
+#include <QObject>
+#include <QVariant>
+
+#include "common/define.h"
+#include "common/timerange.h"
+#include "node/node.h"
+#include "render/colorprocessor.h"
+#include "render/videoparams.h"
+
+OLIVE_NAMESPACE_ENTER
+
+class Renderer : public QObject
+{
+  Q_OBJECT
+public:
+  Renderer(QObject* parent = nullptr);
+
+  virtual ~Renderer() override;
+
+  virtual bool Init() = 0;
+
+  class Texture
+  {
+  public:
+    Texture(Renderer* renderer, const QVariant& native, const VideoParams& param) :
+      renderer_(renderer),
+      params_(param),
+      id_(native)
+    {
+    }
+
+    ~Texture()
+    {
+      renderer_->DestroyNativeTexture(id_);
+    }
+
+    QVariant id() const
+    {
+      return id_;
+    }
+
+    const VideoParams& params() const
+    {
+      return params_;
+    }
+
+    void Upload(void* data, int linesize = 0)
+    {
+      renderer_->UploadToTexture(this, data, linesize);
+    }
+
+    int width() const
+    {
+      return params_.width();
+    }
+
+    int height() const
+    {
+      return params_.height();
+    }
+
+    PixelFormat::Format format() const
+    {
+      return params_.format();
+    }
+
+    int divider() const
+    {
+      return params_.divider();
+    }
+
+    const rational& pixel_aspect_ratio() const
+    {
+      return params_.pixel_aspect_ratio();
+    }
+
+  private:
+    Renderer* renderer_;
+
+    VideoParams params_;
+
+    QVariant id_;
+
+  };
+
+  using TexturePtr = std::shared_ptr<Texture>;
+
+  TexturePtr CreateTexture(const VideoParams& param, void* data = nullptr, int linesize = 0);
+
+public slots:
+  virtual void PostInit() = 0;
+
+  virtual void Destroy() = 0;
+
+  virtual QVariant CreateNativeTexture(const VideoParams& param, void* data = nullptr, int linesize = 0) = 0;
+
+  virtual void DestroyNativeTexture(QVariant texture) = 0;
+
+  virtual QVariant CreateNativeShader(const ShaderCode& code) = 0;
+
+  virtual void DestroyNativeShader(QVariant shader) = 0;
+
+  virtual void UploadToTexture(Texture* texture, void* data, int linesize) = 0;
+
+  virtual void DownloadFromTexture(Texture* texture, void* data, int linesize) = 0;
+
+  virtual TexturePtr ProcessShader(const OLIVE_NAMESPACE::Node* node,
+                                   const OLIVE_NAMESPACE::TimeRange &range,
+                                   const OLIVE_NAMESPACE::ShaderJob &job,
+                                   const OLIVE_NAMESPACE::VideoParams &params) = 0;
+
+  virtual QVariant TransformColor(QVariant texture, OLIVE_NAMESPACE::ColorProcessorPtr processor) = 0;
+
+  virtual void Render() = 0;
+
+  virtual void RenderToTexture(Texture* destination) = 0;
+
+private:
+
+
+};
+
+OLIVE_NAMESPACE_EXIT
+
+#endif // RENDERCONTEXT_H