GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
{
const GLFWglproc proc = (GLFWglproc) _glfw_wglGetProcAddress(procname);
if (proc)
return proc;
return (GLFWglproc) GetProcAddress(_glfw.wgl.opengl32.instance, procname);
}
// Initialize WGL-specific extensions
//
static void loadExtensions(void)
{
// Functions for WGL_EXT_extension_string
// NOTE: These are needed by _glfwPlatformExtensionSupported
_glfw.wgl.GetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)
_glfw_wglGetProcAddress("wglGetExtensionsStringEXT");
_glfw.wgl.GetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)
_glfw_wglGetProcAddress("wglGetExtensionsStringARB");
// Functions for WGL_ARB_create_context
_glfw.wgl.CreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)
_glfw_wglGetProcAddress("wglCreateContextAttribsARB");
// Functions for WGL_EXT_swap_control
_glfw.wgl.SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)
_glfw_wglGetProcAddress("wglSwapIntervalEXT");
// Functions for WGL_ARB_pixel_format
_glfw.wgl.GetPixelFormatAttribivARB = (PFNWGLGETPIXELFORMATATTRIBIVARBPROC)
_glfw_wglGetProcAddress("wglGetPixelFormatAttribivARB");
// This needs to include every extension used below except for
// WGL_ARB_extensions_string and WGL_EXT_extensions_string
_glfw.wgl.ARB_multisample =
_glfwPlatformExtensionSupported("WGL_ARB_multisample");
_glfw.wgl.ARB_framebuffer_sRGB =
_glfwPlatformExtensionSupported("WGL_ARB_framebuffer_sRGB");
_glfw.wgl.EXT_framebuffer_sRGB =
_glfwPlatformExtensionSupported("WGL_EXT_framebuffer_sRGB");
_glfw.wgl.ARB_create_context =
_glfwPlatformExtensionSupported("WGL_ARB_create_context");
_glfw.wgl.ARB_create_context_profile =
_glfwPlatformExtensionSupported("WGL_ARB_create_context_profile");
_glfw.wgl.EXT_create_context_es2_profile =
_glfwPlatformExtensionSupported("WGL_EXT_create_context_es2_profile");
_glfw.wgl.ARB_create_context_robustness =
_glfwPlatformExtensionSupported("WGL_ARB_create_context_robustness");
_glfw.wgl.EXT_swap_control =
_glfwPlatformExtensionSupported("WGL_EXT_swap_control");
_glfw.wgl.ARB_pixel_format =
_glfwPlatformExtensionSupported("WGL_ARB_pixel_format");
_glfw.wgl.ARB_context_flush_control =
_glfwPlatformExtensionSupported("WGL_ARB_context_flush_control");
_glfw.wgl.extensionsLoaded = GLFW_TRUE;
}
