Set cleardepth the traditional way on desktop.

GPU/GLES/Framebuffer.cpp

@@ -157,7 +157,11 @@ static void ClearBuffer() {
 	glstate.stencilFunc.set(GL_ALWAYS, 0xFF, 0xFF);
 	glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 	glClearStencil(0xFF);
-	glClearDepthf(1.0);
+#ifdef USING_GLES2
+	glClearDepthf(1.0f);
+#else
+	glClearDepth(1.0);
+#endif
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
 }