Raygui textures with SetShapesTexture.

include/state.h

@@ -14,6 +14,7 @@ typedef struct {
 	int logLevelInvalid;
 	Font defaultFont;
 	Material defaultMaterial;
+	Texture defaultTexture;
 	int *RLGLcurrentShaderLocs;
 	/* Events. */
 #ifdef PLATFORM_DESKTOP

include/textures.h

@@ -70,6 +70,7 @@ int ltexturesImageDrawRectangleLines( lua_State *L );
 int ltexturesImageDraw( lua_State *L );
 int ltexturesImageDrawTextEx( lua_State *L );
 /* Texture loading functions. */
+int ltexturesGetTextureDefault( lua_State *L );
 int ltexturesLoadTexture( lua_State *L );
 int ltexturesLoadTextureFromImage( lua_State *L );
 int ltexturesLoadTextureCubemap( lua_State *L );