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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "backends/graphics/opengl/pipelines/pipeline.h"
#include "backends/graphics/opengl/framebuffer.h"
namespace OpenGL {
Pipeline::Pipeline()
: _activeFramebuffer(nullptr), _isActive(false) {
}
void Pipeline::activate() {
_isActive = true;
if (_activeFramebuffer) {
_activeFramebuffer->activate();
}
activateInternal();
}
void Pipeline::deactivate() {
deactivateInternal();
if (_activeFramebuffer) {
_activeFramebuffer->deactivate();
}
_isActive = false;
}
Framebuffer *Pipeline::setFramebuffer(Framebuffer *framebuffer) {
Framebuffer *oldFramebuffer = _activeFramebuffer;
if (_isActive && oldFramebuffer) {
oldFramebuffer->deactivate();
}
_activeFramebuffer = framebuffer;
if (_isActive && _activeFramebuffer) {
_activeFramebuffer->activate();
}
return oldFramebuffer;
}
} // End of namespace OpenGL
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