90 lines
No EOL
2.3 KiB
Python
90 lines
No EOL
2.3 KiB
Python
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LOAD_OPENGL_DLL = '''
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version(Windows) {
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private import core.sys.windows.windows;
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} else {
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private import core.sys.posix.dlfcn;
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}
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version(Windows) {
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private __gshared HMODULE libGL;
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} else {
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private __gshared void* libGL;
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}
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extern(System) private @nogc alias gladGetProcAddressPtrType = void* function(const(char)*);
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private __gshared gladGetProcAddressPtrType gladGetProcAddressPtr;
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%(pre)s
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bool %(init)s() @nogc {
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version(Windows) {
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libGL = LoadLibraryA("opengl32.dll");
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if(libGL !is null) {
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gladGetProcAddressPtr = cast(typeof(gladGetProcAddressPtr))GetProcAddress(
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libGL, "wglGetProcAddress");
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return gladGetProcAddressPtr !is null;
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}
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return false;
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} else {
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version(OSX) {
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enum const(char)*[] NAMES = [
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"../Frameworks/OpenGL.framework/OpenGL",
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"/Library/Frameworks/OpenGL.framework/OpenGL",
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"/System/Library/Frameworks/OpenGL.framework/OpenGL",
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"/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL"
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];
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} else {
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enum const(char)*[] NAMES = ["libGL.so.1", "libGL.so"];
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}
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foreach(name; NAMES) {
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libGL = dlopen(name, RTLD_NOW | RTLD_GLOBAL);
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if(libGL !is null) {
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version(OSX) {
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return true;
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} else {
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gladGetProcAddressPtr = cast(typeof(gladGetProcAddressPtr))dlsym(libGL,
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"glXGetProcAddressARB");
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return gladGetProcAddressPtr !is null;
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}
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}
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}
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return false;
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}
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}
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%(pre)s
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void* %(proc)s(const(char)* namez) @nogc {
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if(libGL is null) return null;
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void* result;
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if(gladGetProcAddressPtr !is null) {
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result = gladGetProcAddressPtr(namez);
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}
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if(result is null) {
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version(Windows) {
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result = GetProcAddress(libGL, namez);
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} else {
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result = dlsym(libGL, namez);
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}
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}
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return result;
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}
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%(pre)s
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void %(terminate)s() @nogc {
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version(Windows) {
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if(libGL !is null) {
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FreeLibrary(libGL);
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libGL = null;
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}
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} else {
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if(libGL !is null) {
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dlclose(libGL);
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libGL = null;
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}
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}
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}
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''' |