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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of Qt Quick 2d Renderer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "context.h"
#include "rectanglenode.h"
#include "imagenode.h"
#include "painternode.h"
#include "pixmaptexture.h"
#include "glyphnode.h"
#include "ninepatchnode.h"
#include "renderingvisitor.h"
#include "softwarelayer.h"
#include <QtCore/QCoreApplication>
#include <QtCore/QElapsedTimer>
#include <QtGui/QWindow>
#include <QtQuick/QSGFlatColorMaterial>
#include <QtQuick/QSGVertexColorMaterial>
#include <QtQuick/QSGOpaqueTextureMaterial>
#include <QtQuick/QSGTextureMaterial>
#include <private/qsgdefaultimagenode_p.h>
#include <private/qsgdefaultrectanglenode_p.h>
#include <private/qsgdistancefieldglyphnode_p_p.h>
#include <private/qsgdefaultglyphnode_p.h>
#ifndef QSG_NO_RENDERER_TIMING
static bool qsg_render_timing = !qgetenv("QSG_RENDER_TIMING").isEmpty();
#endif
// Used for very high-level info about the renderering and gl context
// Includes GL_VERSION, type of render loop, atlas size, etc.
Q_LOGGING_CATEGORY(QSG_RASTER_LOG_INFO, "qt.scenegraph.info")
// Used to debug the renderloop logic. Primarily useful for platform integrators
// and when investigating the render loop logic.
Q_LOGGING_CATEGORY(QSG_RASTER_LOG_RENDERLOOP, "qt.scenegraph.renderloop")
// GLSL shader compilation
Q_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_COMPILATION, "qt.scenegraph.time.compilation")
// polish, animations, sync, render and swap in the render loop
Q_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_RENDERLOOP, "qt.scenegraph.time.renderloop")
// Texture uploads and swizzling
Q_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_TEXTURE, "qt.scenegraph.time.texture")
// Glyph preparation (only for distance fields atm)
Q_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_GLYPH, "qt.scenegraph.time.glyph")
// Timing inside the renderer base class
Q_LOGGING_CATEGORY(QSG_RASTER_LOG_TIME_RENDERER, "qt.scenegraph.time.renderer")
namespace SoftwareContext
{
Renderer::Renderer(QSGRenderContext *context)
: QSGRenderer(context)
{
}
void Renderer::renderScene(GLuint fboId)
{
Q_UNUSED(fboId)
class B : public QSGBindable
{
public:
void bind() const { }
} bindable;
QSGRenderer::renderScene(bindable);
}
void Renderer::render()
{
QWindow *currentWindow = static_cast<RenderContext*>(m_context)->currentWindow;
if (!m_backingStore)
m_backingStore.reset(new QBackingStore(currentWindow));
if (m_backingStore->size() != currentWindow->size())
m_backingStore->resize(currentWindow->size());
const QRect rect(0, 0, currentWindow->width(), currentWindow->height());
m_backingStore->beginPaint(rect);
QPaintDevice *device = m_backingStore->paintDevice();
QPainter painter(device);
painter.setRenderHint(QPainter::Antialiasing);
painter.setCompositionMode(QPainter::CompositionMode_Source);
painter.fillRect(rect, clearColor());
painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
RenderingVisitor(&painter).visitChildren(rootNode());
m_backingStore->endPaint();
m_backingStore->flush(rect);
}
void Renderer::nodeChanged(QSGNode *node, QSGNode::DirtyState state)
{
QSGRenderer::nodeChanged(node, state);
}
PixmapRenderer::PixmapRenderer(QSGRenderContext *context)
: QSGRenderer(context)
{
}
void PixmapRenderer::renderScene(GLuint)
{
class B : public QSGBindable
{
public:
void bind() const { }
} bindable;
QSGRenderer::renderScene(bindable);
}
void PixmapRenderer::render()
{
}
void PixmapRenderer::render(QPixmap *target)
{
target->fill(clearColor());
QPainter painter(target);
painter.setRenderHint(QPainter::Antialiasing);
painter.setWindow(m_projectionRect);
RenderingVisitor(&painter).visitChildren(rootNode());
}
RenderContext::RenderContext(QSGContext *ctx)
: QSGRenderContext(ctx)
, currentWindow(0)
, m_initialized(false)
{
}
Context::Context(QObject *parent)
: QSGContext(parent)
{
setDistanceFieldEnabled(false);
}
QSGRectangleNode *Context::createRectangleNode()
{
return new RectangleNode();
}
QSGImageNode *Context::createImageNode()
{
return new ImageNode();
}
QSGPainterNode *Context::createPainterNode(QQuickPaintedItem *item)
{
return new PainterNode(item);
}
QSGGlyphNode *Context::createGlyphNode(QSGRenderContext *rc, bool preferNativeGlyphNode)
{
Q_UNUSED(rc);
Q_UNUSED(preferNativeGlyphNode);
return new GlyphNode();
}
QSGNinePatchNode *Context::createNinePatchNode()
{
return new NinePatchNode();
}
QSGLayer *Context::createLayer(QSGRenderContext *renderContext)
{
return new SoftwareLayer(renderContext);
}
QSurfaceFormat Context::defaultSurfaceFormat() const
{
QSurfaceFormat format = QSurfaceFormat::defaultFormat();
format.setRenderableType(QSurfaceFormat::DefaultRenderableType);
format.setMajorVersion(0);
format.setMinorVersion(0);
return format;
}
void RenderContext::initialize(QOpenGLContext *context)
{
Q_UNUSED(context)
Q_UNREACHABLE();
}
void RenderContext::initializeIfNeeded()
{
if (m_initialized)
return;
m_initialized = true;
emit initialized();
}
void RenderContext::invalidate()
{
QSGRenderContext::invalidate();
}
QSGTexture *RenderContext::createTexture(const QImage &image, uint flags) const
{
Q_UNUSED(flags)
return new PixmapTexture(image);
}
QSGRenderer *RenderContext::createRenderer()
{
return new Renderer(this);
}
void RenderContext::renderNextFrame(QSGRenderer *renderer, GLuint fbo)
{
QSGRenderContext::renderNextFrame(renderer, fbo);
}
} // namespace
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