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Diffstat (limited to 'backends/graphics/opengl/pipelines/pipeline.cpp')
-rw-r--r-- | backends/graphics/opengl/pipelines/pipeline.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/backends/graphics/opengl/pipelines/pipeline.cpp b/backends/graphics/opengl/pipelines/pipeline.cpp new file mode 100644 index 0000000000..6a59cd28e7 --- /dev/null +++ b/backends/graphics/opengl/pipelines/pipeline.cpp @@ -0,0 +1,66 @@ +/* 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 |