# HG changeset patch
# User James Bergstra <bergstrj@iro.umontreal.ca>
# Date 1258396672 18000
# Node ID 533b9a0a14f36fb24563b8c81a184a1600aac8d9
# Parent  04115110bb67e723665f619d2e1c14b8482fe28f
Added support for still images in float storage to glviewer

diff -r 04115110bb67 -r 533b9a0a14f3 pylearn/dataset_ops/glviewer.py
--- a/pylearn/dataset_ops/glviewer.py	Mon Nov 16 13:37:01 2009 -0500
+++ b/pylearn/dataset_ops/glviewer.py	Mon Nov 16 13:37:52 2009 -0500
@@ -57,7 +57,16 @@
             glPixelStorei(GL_UNPACK_ALIGNMENT,1)
             return glTexImage2D(GL_TEXTURE_2D, 0, 3, cols, rows, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                     buf[::-1].flatten())
+        elif str(x.dtype).startswith('float'):
+            rows, cols = x.shape
+            buf = numpy.zeros((rows, cols, 4), dtype='uint8')
+            buf += x.reshape( (rows, cols, 1)) * 255
+            glPixelStorei(GL_UNPACK_ALIGNMENT,1)
+            debug( 'HHUH? %f'% buf.sum())
+            return glTexImage2D(GL_TEXTURE_2D, 0, 3, cols, rows, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                    buf[::-1].flatten())
         else:
+            debug('NOOO....')
             raise NotImplementedError()
     elif x.ndim == 3:
         rows, cols, channels = x.shape