Raygui textures with SetShapesTexture.

src/state.c

@@ -30,6 +30,7 @@ bool stateInit( int argn, const char **argc, const char *exePath ) {
 	}
 	state->defaultFont = GetFontDefault();
 	state->defaultMaterial = LoadMaterialDefault();
+	state->defaultTexture = (Texture){ 1, 1, 1, 1, 7 };
 	state->RLGLcurrentShaderLocs = malloc( RL_MAX_SHADER_LOCATIONS * sizeof( int ) );
 	int *defaultShaderLocs = rlGetShaderLocsDefault();