70 lines
2.6 KiB
Java
70 lines
2.6 KiB
Java
/*
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* Copyright (c) 2002 Lightweight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'Light Weight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.opengl;
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class VBOTracker {
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private static VBOTracker default_tracker = new VBOTracker();
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private static VBOTracker current_tracker = default_tracker;
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private final StateStack vbo_array_stack;
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private final StateStack vbo_element_stack;
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private final StateStack attrib_stack;
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public static void setCurrent(VBOTracker tracker) {
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current_tracker = tracker;
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}
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public static void releaseCurrent() {
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current_tracker = default_tracker;
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}
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public VBOTracker() {
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int stack_size = Util.getGLInteger(CoreGL11Constants.GL_MAX_CLIENT_ATTRIB_STACK_DEPTH);
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vbo_array_stack = new StateStack(stack_size, 0);
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vbo_element_stack = new StateStack(stack_size, 0);
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attrib_stack = new StateStack(stack_size, 0);
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}
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public static StateStack getVBOArrayStack() {
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return current_tracker.vbo_array_stack;
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}
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public static StateStack getVBOElementStack() {
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return current_tracker.vbo_element_stack;
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}
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public static StateStack getClientAttribStack() {
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return current_tracker.attrib_stack;
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}
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}
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