Attachment 89121 Details for Bug 69689 – Testcase source file

Testcase source file

fbotest.cpp (text/plain), 1.44 KB, created by Johannes Jordan on 2013-11-13 06:12:08 UTC

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Filename:

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Creator: Johannes Jordan

Created: 2013-11-13 06:12:08 UTC

Size: 1.44 KB

patch

obsolete

>#include "fbotest.h"
>#include <QApplication>
>#include <QResizeEvent>
>#include <QPaintEvent>
>
>int main(int argc, char *argv[])
>{
>	QApplication a(argc, argv);
>	GLWidget w;
>	w.show();
>
>	return a.exec();
>}
>
>GLWidget::GLWidget(QWidget *parent) :
>	QGLWidget(QGLFormat(QGL::SampleBuffers), parent),
>	source(0), multisampleBlit(0)
>{
>}
>
>void GLWidget::resizeEvent(QResizeEvent *ev)
>{
>	makeCurrent();
>	delete source;
>	delete multisampleBlit;
>
>	QGLFramebufferObjectFormat format;
>	format.setAttachment(QGLFramebufferObject::NoAttachment);
>	format.setSamples(4);
>	format.setInternalTextureFormat(GL_RGBA16F);
>	source = new QGLFramebufferObject(ev->size(), format);
>	// random output:
>	multisampleBlit = new QGLFramebufferObject(ev->size());
>	// just black:
>	// multisampleBlit = new QGLFramebufferObject(ev->size(), format);
>
>	QRect rect(QPoint(0, 0), source->size());
>	QPainter painter(source);
>	painter.setCompositionMode(QPainter::CompositionMode_Source);
>	painter.fillRect(rect, Qt::transparent);
>	painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
>
>	painter.fillRect(0, 0, 100, 100, QColor(0, 127, 0, 127));
>	painter.drawText(rect, Qt::AlignCenter, "Test");
>}
>
>void GLWidget::paintEvent(QPaintEvent *)
>{
>	makeCurrent();
>	QPainter painter(this);
>	painter.fillRect(rect(), QColor(255, 0, 255));
>
>	if (!source)
>		return;
>
>	QGLFramebufferObject::blitFramebuffer(multisampleBlit,
>										  rect(), source, rect());
>	drawTexture(rect(), multisampleBlit->texture());
>}

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Attachments on bug 69689: 89120 | 89121

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