overte/libraries/render-utils/src/OffscreenGlCanvas.cpp
2015-04-22 19:06:22 -07:00

45 lines
1.2 KiB
C++

//
// OffscreenGlCanvas.cpp
// interface/src/renderer
//
// Created by Bradley Austin Davis on 2014/04/09.
// Copyright 2015 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include "OffscreenGlCanvas.h"
OffscreenGlCanvas::OffscreenGlCanvas() {
}
void OffscreenGlCanvas::create(QOpenGLContext* sharedContext) {
if (nullptr != sharedContext) {
sharedContext->doneCurrent();
_context.setFormat(sharedContext->format());
_context.setShareContext(sharedContext);
} else {
QSurfaceFormat format;
format.setDepthBufferSize(16);
format.setStencilBufferSize(8);
format.setMajorVersion(4);
format.setMinorVersion(1);
format.setProfile(QSurfaceFormat::OpenGLContextProfile::CompatibilityProfile);
_context.setFormat(format);
}
_context.create();
_offscreenSurface.setFormat(_context.format());
_offscreenSurface.create();
}
bool OffscreenGlCanvas::makeCurrent() {
return _context.makeCurrent(&_offscreenSurface);
}
void OffscreenGlCanvas::doneCurrent() {
_context.doneCurrent();
}