Add glfwRawInputSupported

src/cocoa_window.m

@@ -1557,6 +1557,11 @@ void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled)
     window->useRawInput = enabled;
 }
 
+GLFWbool _glfwPlatformRawInputSupported(void)
+{
+    return GLFW_FALSE;
+}
+
 void _glfwPlatformPollEvents(void)
 {
     if (!initializeAppKit())

src/input.c

@@ -1305,3 +1305,8 @@ GLFWAPI uint64_t glfwGetTimerFrequency(void)
     return _glfwPlatformGetTimerFrequency();
 }
 
+GLFWAPI int glfwRawInputSupported(void)
+{
+    _GLFW_REQUIRE_INIT_OR_RETURN(0);
+    return _glfwPlatformRawInputSupported();
+}

src/internal.h

@@ -623,6 +623,7 @@ void _glfwPlatformUpdateGamepadGUID(char* guid);
 
 uint64_t _glfwPlatformGetTimerValue(void);
 uint64_t _glfwPlatformGetTimerFrequency(void);
+GLFWbool _glfwPlatformRawInputSupported(void);
 
 int _glfwPlatformCreateWindow(_GLFWwindow* window,
                               const _GLFWwndconfig* wndconfig,

src/null_window.c

@@ -201,6 +201,11 @@ void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled)
     window->useRawInput = enabled;
 }
 
+GLFWbool _glfwPlatformRawInputSupported(void)
+{
+    return GLFW_FALSE;
+}
+
 void _glfwPlatformShowWindow(_GLFWwindow* window)
 {
 }

src/win32_window.c

@@ -1865,6 +1865,11 @@ void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled)
     }
 }
 
+GLFWbool _glfwPlatformRawInputSupported(void)
+{
+    return GLFW_TRUE;
+}
+
 void _glfwPlatformPollEvents(void)
 {
     MSG msg;

src/wl_window.c

@@ -1309,6 +1309,11 @@ void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled)
     window->useRawInput = enabled;
 }
 
+GLFWbool _glfwPlatformRawInputSupported(void)
+{
+    return GLFW_FALSE;
+}
+
 void _glfwPlatformPollEvents(void)
 {
     handleEvents(0);

src/x11_window.c

@@ -2667,6 +2667,11 @@ void _glfwPlatformSetWindowUseRawInput(_GLFWwindow* window, GLFWbool enabled)
     }
 }
 
+GLFWbool _glfwPlatformRawInputSupported(void)
+{
+    return _glfw.x11.xi.available;
+}
+
 void _glfwPlatformPollEvents(void)
 {
     _GLFWwindow* window;