static void load_command_buffer_functions() {
if (!gLibrary) {
#if defined _WIN32
gLibrary = DynamicLoadLibrary("command_buffer_gles2.dll");
#elif defined SK_BUILD_FOR_MAC
gLibrary = DynamicLoadLibrary("libcommand_buffer_gles2.dylib");
#else
gLibrary = DynamicLoadLibrary("libcommand_buffer_gles2.so");
#endif // defined _WIN32
if (gLibrary) {
gfGetDisplay = (GetDisplayProc)GetProcedureAddress(gLibrary, "eglGetDisplay");
gfInitialize = (InitializeProc)GetProcedureAddress(gLibrary, "eglInitialize");
gfTerminate = (TerminateProc)GetProcedureAddress(gLibrary, "eglTerminate");
gfChooseConfig = (ChooseConfigProc)GetProcedureAddress(gLibrary, "eglChooseConfig");
gfGetConfigAttrib = (GetConfigAttrib)GetProcedureAddress(gLibrary, "eglGetConfigAttrib");
gfCreateWindowSurface = (CreateWindowSurfaceProc)GetProcedureAddress(gLibrary, "eglCreateWindowSurface");
gfCreatePbufferSurface = (CreatePbufferSurfaceProc)GetProcedureAddress(gLibrary, "eglCreatePbufferSurface");
gfDestroySurface = (DestroySurfaceProc)GetProcedureAddress(gLibrary, "eglDestroySurface");
gfCreateContext = (CreateContextProc)GetProcedureAddress(gLibrary, "eglCreateContext");
gfDestroyContext = (DestroyContextProc)GetProcedureAddress(gLibrary, "eglDestroyContext");
gfMakeCurrent = (MakeCurrentProc)GetProcedureAddress(gLibrary, "eglMakeCurrent");
gfSwapBuffers = (SwapBuffersProc)GetProcedureAddress(gLibrary, "eglSwapBuffers");
gfGetProcAddress = (GetProcAddressProc)GetProcedureAddress(gLibrary, "eglGetProcAddress");
gfFunctionsLoadedSuccessfully = gfGetDisplay && gfInitialize && gfTerminate &&
gfChooseConfig && gfCreateWindowSurface &&
gfCreatePbufferSurface && gfDestroySurface &&
gfCreateContext && gfDestroyContext && gfMakeCurrent &&
gfSwapBuffers && gfGetProcAddress;
}
}
}
bool LoadVkLibraryAndGetProcAddrFuncs(PFN_vkGetInstanceProcAddr* instProc,
PFN_vkGetDeviceProcAddr* devProc) {
#ifdef SK_MOLTENVK
// MoltenVK is a statically linked framework, so there is no Vulkan library to load.
*instProc = &vkGetInstanceProcAddr;
*devProc = &vkGetDeviceProcAddr;
return true;
#else
static void* vkLib = nullptr;
static PFN_vkGetInstanceProcAddr localInstProc = nullptr;
static PFN_vkGetDeviceProcAddr localDevProc = nullptr;
if (!vkLib) {
#if defined _WIN32
vkLib = DynamicLoadLibrary("vulkan-1.dll");
#else
vkLib = DynamicLoadLibrary("libvulkan.so");
#endif
if (!vkLib) {
return false;
}
localInstProc = (PFN_vkGetInstanceProcAddr) GetProcedureAddress(vkLib,
"vkGetInstanceProcAddr");
localDevProc = (PFN_vkGetDeviceProcAddr) GetProcedureAddress(vkLib,
"vkGetDeviceProcAddr");
}
if (!localInstProc || !localDevProc) {
return false;
}
*instProc = localInstProc;
*devProc = localDevProc;
return true;
#endif
}
const GrGLInterface* GrGLCreateANGLEInterface() {
static Libs gLibs = { nullptr, nullptr };
if (nullptr == gLibs.fGLLib) {
// We load the ANGLE library and never let it go
#if defined _WIN32
gLibs.fGLLib = DynamicLoadLibrary("libGLESv2.dll");
gLibs.fEGLLib = DynamicLoadLibrary("libEGL.dll");
#elif defined SK_BUILD_FOR_MAC
gLibs.fGLLib = DynamicLoadLibrary("libGLESv2.dylib");
gLibs.fEGLLib = DynamicLoadLibrary("libEGL.dylib");
#else
gLibs.fGLLib = DynamicLoadLibrary("libGLESv2.so");
gLibs.fGLLib = DynamicLoadLibrary("libEGL.so");
#endif
}
if (nullptr == gLibs.fGLLib || nullptr == gLibs.fEGLLib) {
// We can't setup the interface correctly w/o the so
return nullptr;
}
return GrGLAssembleGLESInterface(&gLibs, angle_get_gl_proc);
}
