Throw an exception if Texture*::allocate is called before storage

[libs/gl.git] / source / texture3d.cpp

diff --git a/source/texture3d.cpp b/source/texture3d.cpp
index 85b3f075f5096e47d92800ad734958189d0f0fa1..5e1f9866e185e6ecdb047f167a26ffa8054d03ea 100644 (file)
--- a/source/texture3d.cpp
+++ b/source/texture3d.cpp
@@ -3,6 +3,7 @@
 #include <msp/gl/extensions/arb_direct_state_access.h>
 #include <msp/gl/extensions/arb_texture_storage.h>
 #include <msp/gl/extensions/ext_texture3d.h>
+#include <msp/gl/extensions/ext_texture_array.h>
 #include <msp/graphics/image.h>
 #include "bindable.h"
 #include "error.h"
@@ -47,6 +48,8 @@ void Texture3D::storage(PixelFormat fmt, unsigned wd, unsigned ht, unsigned dp)
 
 void Texture3D::allocate(unsigned level)
 {
+       if(width==0 || height==0 || depth==0)
+               throw invalid_operation("Texture3D::allocate");
        if(allocated&(1<<level))
                return;