pixwerx/tools/glad-0.1.14a0/glad/lang/volt/loader/__init__.py

64 lines
No EOL
1.5 KiB
Python

LOAD_OPENGL_DLL = '''
private global Library libGL;
extern(System) private alias gladGetProcAddressPtrType = void* function(const(char)*);
private global gladGetProcAddressPtrType gladGetProcAddressPtr;
%(pre)s
bool %(init)s() {
version(Windows) {
libGL = Library.load("opengl32.dll");
} else version(OSX) {
libGL = Library.loads([
"../Frameworks/OpenGL.framework/OpenGL",
"/Library/Frameworks/OpenGL.framework/OpenGL",
"/System/Library/Frameworks/OpenGL.framework/OpenGL",
"/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL"
]);
} else {
libGL = Library.loads(["libGL.so.1", "libGL.so"]);
}
if(libGL !is null) {
version(Windows) {
string sym = "wglGetProcAddress";
} else {
string sym = "glXGetProcAddressARB";
}
// returns null on OSX, but that's fine
gladGetProcAddressPtr = cast(typeof(gladGetProcAddressPtr))libGL.symbol(sym);
return true;
}
return false;
}
private struct StructToDg {
void* instance;
void* func;
}
%(pre)s
void* %(proc)s(string name) {
if(libGL is null) return null;
void* result;
if(gladGetProcAddressPtr !is null) {
// TODO: name.ptr
result = gladGetProcAddressPtr(name.ptr);
}
if(result is null) {
result = libGL.symbol(name);
}
return result;
}
%(pre)s
void %(terminate)s() {
if(libGL !is null) {
libGL.free();
}
return;
}
'''