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https://github.com/gnif/LookingGlass.git
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[client] opengl: add gl_dynprocs module
This is similar to egl_dynprocs, except for OpenGL functions.
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3f72de78da
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@ -111,6 +111,7 @@ set(SOURCES
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src/util.c
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src/clipboard.c
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src/kb.c
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src/gl_dynprocs.c
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src/egl_dynprocs.c
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src/eglutil.c
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src/overlay_utils.c
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50
client/include/gl_dynprocs.h
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50
client/include/gl_dynprocs.h
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@ -0,0 +1,50 @@
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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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#ifndef _H_LG_GL_DYNPROCS_
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#define _H_LG_GL_DYNPROCS_
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#ifdef ENABLE_OPENGL
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#include <GL/gl.h>
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#include <GL/glext.h>
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struct GLDynProcs
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{
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PFNGLGENBUFFERSPROC glGenBuffers;
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PFNGLBINDBUFFERPROC glBindBuffer;
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PFNGLBUFFERDATAPROC glBufferData;
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PFNGLBUFFERSUBDATAPROC glBufferSubData;
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PFNGLDELETEBUFFERSPROC glDeleteBuffers;
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PFNGLISSYNCPROC glIsSync;
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PFNGLFENCESYNCPROC glFenceSync;
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PFNGLCLIENTWAITSYNCPROC glClientWaitSync;
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PFNGLDELETESYNCPROC glDeleteSync;
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PFNGLGENERATEMIPMAPPROC glGenerateMipmap;
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};
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extern struct GLDynProcs g_gl_dynProcs;
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void gl_dynProcsInit(void);
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#else
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#define gl_dynProcsInit(...)
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#endif
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#endif // _H_LG_GL_DYNPROCS_
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client/src/gl_dynprocs.c
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58
client/src/gl_dynprocs.c
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@ -0,0 +1,58 @@
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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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@ -58,6 +58,7 @@
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#include "kb.h"
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#include "ll.h"
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#include "egl_dynprocs.h"
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#include "gl_dynprocs.h"
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#include "overlays.h"
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#include "overlay_utils.h"
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#include "util.h"
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@ -1297,6 +1298,7 @@ int main(int argc, char * argv[])
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config_init();
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ivshmemOptionsInit();
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egl_dynProcsInit();
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gl_dynProcsInit();
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g_state.overlays = ll_new();
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app_registerOverlay(&LGOverlayConfig, NULL);
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