6632e909da
This removes the idea of global pipeline. The activePipeline is kept for pipeline lifecycle management only.
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "backends/graphics/opengl/pipelines/pipeline.h"
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#include "backends/graphics/opengl/framebuffer.h"
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namespace OpenGL {
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Pipeline *Pipeline::activePipeline = nullptr;
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Pipeline::Pipeline()
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: _activeFramebuffer(nullptr) {
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}
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void Pipeline::activate() {
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if (activePipeline == this) {
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return;
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}
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if (activePipeline) {
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activePipeline->deactivate();
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}
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activePipeline = this;
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if (_activeFramebuffer) {
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_activeFramebuffer->activate(this);
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}
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activateInternal();
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}
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void Pipeline::deactivate() {
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assert(isActive());
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deactivateInternal();
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if (_activeFramebuffer) {
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_activeFramebuffer->deactivate();
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}
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activePipeline = nullptr;
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}
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Framebuffer *Pipeline::setFramebuffer(Framebuffer *framebuffer) {
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Framebuffer *oldFramebuffer = _activeFramebuffer;
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if (isActive() && oldFramebuffer) {
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oldFramebuffer->deactivate();
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}
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_activeFramebuffer = framebuffer;
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if (isActive() && _activeFramebuffer) {
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_activeFramebuffer->activate(this);
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}
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return oldFramebuffer;
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}
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} // End of namespace OpenGL
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