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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt SceneGraph Raster Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CONTEXT_H
#define CONTEXT_H
#include <private/qsgcontext_p.h>
#include <private/qsgrenderer_p.h>
#include <private/qsgadaptationlayer_p.h>
#include <QtCore/QElapsedTimer>
#include <QtGui/QOpenGLShaderProgram>
#include <QtGui/QBackingStore>
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_RENDERLOOP)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_COMPILATION)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_TEXTURE)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_GLYPH)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_RENDERER)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_INFO)
Q_DECLARE_LOGGING_CATEGORY(QSG_RASTER_LOG_RENDERLOOP)
namespace SoftwareContext
{
class Renderer : public QSGRenderer
{
public:
Renderer(QSGRenderContext *context);
virtual void renderScene(GLuint fboId = 0);
virtual void render();
void nodeChanged(QSGNode *node, QSGNode::DirtyState state);
QBackingStore *backingStore() const { return m_backingStore.data(); }
private:
QScopedPointer<QBackingStore> m_backingStore;
QRect m_dirtyRect;
};
class PixmapRenderer : public QSGRenderer
{
public:
PixmapRenderer(QSGRenderContext *context);
virtual void renderScene(GLuint fboId = 0);
virtual void render();
void render(QPixmap *target);
QRect m_projectionRect;
};
class RenderContext : public QSGRenderContext
{
public:
RenderContext(QSGContext *ctx);
void initialize(QOpenGLContext *context);
void initializeIfNeeded();
void invalidate();
void renderNextFrame(QSGRenderer *renderer, GLuint fbo);
QSGTexture *createTexture(const QImage &image) const;
QSGTexture *createTextureNoAtlas(const QImage &image) const;
QSGRenderer *createRenderer();
QWindow *currentWindow;
bool m_initialized;
};
class Context : public QSGContext
{
Q_OBJECT
public:
explicit Context(QObject *parent = 0);
QSGRenderContext *createRenderContext() { return new RenderContext(this); }
virtual QSGRectangleNode *createRectangleNode();
virtual QSGImageNode *createImageNode();
virtual QSGPainterNode *createPainterNode(QQuickPaintedItem *item);
virtual QSGGlyphNode *createGlyphNode(QSGRenderContext *rc, bool preferNativeGlyphNode);
virtual QSGNinePatchNode *createNinePatchNode();
virtual QSGLayer *createLayer(QSGRenderContext *renderContext);
virtual QSurfaceFormat defaultSurfaceFormat() const;
};
} // namespace
#endif // CONTEXT_H
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