Add dynamic render backend adapter scaffold

2026-07-13 10:19:29 +08:00
parent 341283b1cd
commit d5d70d0151
13 changed files with 722 additions and 11 deletions
@@ -0,0 +1,83 @@
+#ifndef DYNAMICRENDERER_H
+#define DYNAMICRENDERER_H
+
+#include <QLibrary>
+#include <QString>
+
+#include "render/backend/renderbackend_c.h"
+#include "render/opengl/openglcontextprovider.h"
+#include "render/renderer.h"
+
+namespace olive
+{
+
+class DynamicRenderer : public Renderer, public OpenGLContextProvider {
+	Q_OBJECT
+public:
+	explicit DynamicRenderer(const QString &backend, QObject *parent = nullptr);
+	virtual ~DynamicRenderer() override;
+
+	bool Load();
+	bool InitWithOpenGLContext(QOpenGLContext *context);
+
+	virtual bool Init() override;
+	virtual void PostDestroy() override;
+	virtual void PostInit() override;
+	virtual void ClearDestination(Texture *texture = nullptr,
+							  double r = 0.0, double g = 0.0,
+							  double b = 0.0, double a = 0.0) override;
+	virtual QVariant CreateNativeShader(ShaderCode code) override;
+	virtual void DestroyNativeShader(QVariant shader) override;
+	virtual void UploadToTexture(const QVariant &handle,
+							 const VideoParams &params, const void *data,
+							 int linesize) override;
+	virtual void DownloadFromTexture(const QVariant &handle,
+							   const VideoParams &params, void *data,
+							   int linesize) override;
+	virtual void Flush() override;
+	virtual Color GetPixelFromTexture(Texture *texture,
+								  const QPointF &pt) override;
+	virtual QOpenGLContext *OpenGLContext() const override;
+
+protected:
+	virtual void Blit(QVariant shader, AcceleratedJob &job,
+				  Texture *destination, VideoParams destination_params,
+				  bool clear_destination) override;
+	virtual QVariant CreateNativeTexture(int width, int height, int depth,
+								 PixelFormat format, int channel_count,
+								 const void *data = nullptr,
+								 int linesize = 0) override;
+	virtual void DestroyNativeTexture(QVariant texture) override;
+	virtual void DestroyInternal() override;
+
+private:
+	bool ResolveFunctions();
+	QString LibraryFilename() const;
+
+	QString backend_;
+	QLibrary library_;
+	OakRenderBackendHandle handle_ = nullptr;
+
+	OakBackendCreateFn create_ = nullptr;
+	OakBackendDestroyFn destroy_ = nullptr;
+	OakBackendInitFn init_ = nullptr;
+	OakBackendInitWithContextFn init_with_context_ = nullptr;
+	OakBackendPostInitFn post_init_ = nullptr;
+	OakBackendPostDestroyFn post_destroy_ = nullptr;
+	OakBackendDestroyInternalFn destroy_internal_ = nullptr;
+	OakBackendClearDestinationFn clear_destination_ = nullptr;
+	OakBackendCreateNativeTextureFn create_native_texture_ = nullptr;
+	OakBackendDestroyNativeTextureFn destroy_native_texture_ = nullptr;
+	OakBackendCreateNativeShaderFn create_native_shader_ = nullptr;
+	OakBackendDestroyNativeShaderFn destroy_native_shader_ = nullptr;
+	OakBackendUploadToTextureFn upload_to_texture_ = nullptr;
+	OakBackendDownloadFromTextureFn download_from_texture_ = nullptr;
+	OakBackendFlushFn flush_ = nullptr;
+	OakBackendGetPixelFromTextureFn get_pixel_from_texture_ = nullptr;
+	OakBackendBlitFn blit_ = nullptr;
+	OakBackendOpenGLContextFn opengl_context_ = nullptr;
+};
+
+}
+
+#endif // DYNAMICRENDERER_H