mirror of
https://github.com/gnif/LookingGlass.git
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59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
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/**
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* Looking Glass
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* Copyright © 2017-2021 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef ENABLE_OPENGL
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#include "gl_dynprocs.h"
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#include <GL/glx.h>
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struct GLDynProcs g_gl_dynProcs = {0};
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static void * getProcAddressGL(const char * name)
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{
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return (void *) glXGetProcAddressARB((const GLubyte *) name);
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}
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static void * setProcAddressGL2(const char * name, const char * backup)
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{
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void * func = getProcAddressGL(name);
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return func ? func : getProcAddressGL(backup);
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}
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void gl_dynProcsInit(void)
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{
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g_gl_dynProcs.glGenBuffers = setProcAddressGL2("glGenBuffers", "glGenBuffersARB");
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g_gl_dynProcs.glBindBuffer = setProcAddressGL2("glBindBuffer", "glBindBufferARB");
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g_gl_dynProcs.glBufferData = setProcAddressGL2("glBufferData", "glBufferDataARB");
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g_gl_dynProcs.glBufferSubData = setProcAddressGL2("glBufferSubData", "glBufferSubDataARB");
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g_gl_dynProcs.glDeleteBuffers = setProcAddressGL2("glDeleteBuffers", "glDeleteBuffersARB");
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g_gl_dynProcs.glIsSync = getProcAddressGL("glIsSync");
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g_gl_dynProcs.glFenceSync = getProcAddressGL("glFenceSync");
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g_gl_dynProcs.glClientWaitSync = getProcAddressGL("glClientWaitSync");
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g_gl_dynProcs.glDeleteSync = getProcAddressGL("glDeleteSync");
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g_gl_dynProcs.glGenerateMipmap = getProcAddressGL("glGenerateMipmap");
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if (!g_gl_dynProcs.glGenerateMipmap)
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g_gl_dynProcs.glGenerateMipmap = getProcAddressGL("glGenerateMipmapEXT");
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};
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#endif
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