int xgl_init(void)
{
const char *libGLName = "libGL.so";
const char *libGLUName = "libGLU.so";
if (!loadGLLibrary(libGLName, libGLUName))
{
fprintf(stderr, "Use of OpenGL mode disabled\n");
return 0;
}
fetch_GL_FUNCS(libGLName, libGLUName, 0);
return SYSDEP_DISPLAY_WINDOWED|SYSDEP_DISPLAY_FULLSCREEN|
SYSDEP_DISPLAY_HWSCALE;
}
/**
* do not call this one directly,
* use fetch_GL_FUNCS (gltool.c) instead
*/
void LIBAPIENTRY fetch_WGL_FUNCS (const char * libGLName,
const char * libGLUName, int force)
{
static int _firstRun = 1;
if(force)
_firstRun = 1;
if(!_firstRun)
return;
if(!loadGLLibrary (libGLName, libGLUName))
return;
#define GET_GL_PROCADDRESS(a) getGLProcAddressHelper (libGLName, libGLUName, (a), NULL, 1, 0);
#include "wgl-disp-fetch.hc"
_firstRun=0;
}
void init() {
static bool s_bInitialized = false;
if (s_bInitialized) {
return;
}
s_bInitialized = true;
loadGLLibrary();
GenBuffers = (PFNGLGENBUFFERSPROC)getFuzzyProcAddress("glGenBuffers");
BufferData = (PFNGLBUFFERDATAPROC)getFuzzyProcAddress("glBufferData");
DeleteBuffers = (PFNGLDELETEBUFFERSPROC)getFuzzyProcAddress("glDeleteBuffers");
BindBuffer = (PFNGLBINDBUFFERPROC)getFuzzyProcAddress("glBindBuffer");
MapBuffer = (PFNGLMAPBUFFERPROC)getFuzzyProcAddress("glMapBuffer");
UnmapBuffer = (PFNGLUNMAPBUFFERPROC)getFuzzyProcAddress("glUnmapBuffer");
CreateShader = (PFNGLCREATESHADERPROC)getFuzzyProcAddress("glCreateShader");
ShaderSource = (PFNGLSHADERSOURCEPROC)getFuzzyProcAddress("glShaderSource");
CompileShader = (PFNGLCOMPILESHADERPROC)getFuzzyProcAddress("glCompileShader");
CreateProgram= (PFNGLCREATEPROGRAMPROC)getFuzzyProcAddress("glCreateProgram");
AttachShader = (PFNGLATTACHSHADERPROC)getFuzzyProcAddress("glAttachShader");
LinkProgram = (PFNGLLINKPROGRAMPROC)getFuzzyProcAddress("glLinkProgram");
GetShaderiv = (PFNGLGETSHADERIVPROC)getFuzzyProcAddress("glGetShaderiv");
GetProgramiv = (PFNGLGETPROGRAMIVPROC)getFuzzyProcAddress("glGetProgramiv");
GetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC)
getFuzzyProcAddress("glGetShaderInfoLog");
GetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC)
getFuzzyProcAddress("glGetProgramInfoLog");
UseProgram =(PFNGLUSEPROGRAMPROC) getFuzzyProcAddress("glUseProgram");
GetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC)
getFuzzyProcAddress("glGetUniformLocation");
Uniform1i = (PFNGLUNIFORM1IPROC)getFuzzyProcAddress("glUniform1i");
Uniform1f = (PFNGLUNIFORM1FPROC)getFuzzyProcAddress("glUniform1f");
Uniform2f = (PFNGLUNIFORM2FPROC)getFuzzyProcAddress("glUniform2f");
Uniform3f = (PFNGLUNIFORM3FPROC)getFuzzyProcAddress("glUniform3f");
Uniform4f = (PFNGLUNIFORM4FPROC)getFuzzyProcAddress("glUniform4f");
Uniform1fv = (PFNGLUNIFORM1FVPROC)getFuzzyProcAddress("glUniform1fv");
UniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC)
getFuzzyProcAddress("glUniformMatrix4fv");
BlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC)
getFuzzyProcAddress("glBlendFuncSeparate");
BlendEquation = (PFNGLBLENDEQUATIONPROC)getFuzzyProcAddress("glBlendEquation");
BlendColor = (PFNGLBLENDCOLORPROC)getFuzzyProcAddress("glBlendColor");
ActiveTexture = (PFNGLACTIVETEXTUREPROC)getFuzzyProcAddress("glActiveTexture");
GenerateMipmap = (PFNGLGENERATEMIPMAPPROC)getFuzzyProcAddress
("glGenerateMipmap");
CheckFramebufferStatus = (PFNGLCHECKFRAMEBUFFERSTATUSPROC)
getFuzzyProcAddress("glCheckFramebufferStatus");
GenFramebuffers = (PFNGLGENFRAMEBUFFERSPROC)
getFuzzyProcAddress("glGenFramebuffers");
BindFramebuffer = (PFNGLBINDFRAMEBUFFERPROC)
getFuzzyProcAddress("glBindFramebuffer");
FramebufferTexture2D = (PFNGLFRAMEBUFFERTEXTURE2DPROC)
getFuzzyProcAddress("glFramebufferTexture2D");
DeleteFramebuffers = (PFNGLDELETEFRAMEBUFFERSPROC)
getFuzzyProcAddress("glDeleteFramebuffers");
GenRenderbuffers = (PFNGLGENRENDERBUFFERSPROC)
getFuzzyProcAddress("glGenRenderbuffers");
BindRenderbuffer = (PFNGLBINDRENDERBUFFERPROC)
getFuzzyProcAddress("glBindRenderbuffer");
RenderbufferStorage= (PFNGLRENDERBUFFERSTORAGEPROC)
getFuzzyProcAddress("glRenderbufferStorage");
RenderbufferStorageMultisample = (PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC)
getFuzzyProcAddress("glRenderbufferStorageMultisample");
FramebufferRenderbuffer = (PFNGLFRAMEBUFFERRENDERBUFFERPROC)
getFuzzyProcAddress("glFramebufferRenderbuffer");
DeleteRenderbuffers = (PFNGLDELETERENDERBUFFERSPROC)
getFuzzyProcAddress("glDeleteRenderbuffers");
#ifndef AVG_ENABLE_EGL
BufferSubData = (PFNGLBUFFERSUBDATAPROC)getFuzzyProcAddress("glBufferSubData");
GetBufferSubData = (PFNGLGETBUFFERSUBDATAPROC)getFuzzyProcAddress
("glGetBufferSubData");
GetObjectParameteriv = (PFNGLGETOBJECTPARAMETERIVARBPROC)
getFuzzyProcAddress("glGetObjectParameteriv");
BlitFramebuffer = (PFNGLBLITFRAMEBUFFERPROC)
getFuzzyProcAddress("glBlitFramebuffer");
DrawBuffers = (PFNGLDRAWBUFFERSPROC)getFuzzyProcAddress("glDrawBuffers");
DrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)
getFuzzyProcAddress("glDrawRangeElements");
DebugMessageCallback = (PFNGLDEBUGMESSAGECALLBACKARBPROC)
getFuzzyProcAddress("glDebugMessageCallback");
#endif
VertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC)
getFuzzyProcAddress("glVertexAttribPointer");
EnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC)
getFuzzyProcAddress("glEnableVertexAttribArray");
BindAttribLocation = (PFNGLBINDATTRIBLOCATIONPROC)
getFuzzyProcAddress("glBindAttribLocation");
#if defined(linux) && !defined(AVG_ENABLE_EGL)
SwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)
getglXProcAddress("glXSwapIntervalEXT");
#endif
#ifdef _WIN32
GetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)
getwglProcAddress("wglGetExtensionsStringARB");
GetSwapIntervalEXT = (PFNWGLGETSWAPINTERVALEXTPROC)
getwglProcAddress("wglGetSwapIntervalEXT");
SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)
getwglProcAddress("wglSwapIntervalEXT");
#endif
}
