mesa: b7acf538af24ddab72a5cbd5975f089a747b68e4 (master)

Run piglit texture-rg test.

$ ./bin/texture-rg
Mesa 7.10-devel implementation error: unexpected format 0x8227 in _swrast_ReadPixels
Please report at bugzilla.freedesktop.org
texture-rg: failure with format GL_R8:
  expected color = 0.5, 0, 0, 1
  result color = 0, 0, 0, 1


mesa/include/GL/glext.h
  1700  #define GL_RG                             0x8227


mesa/src/mesa/swrast/s_readpix.c
   456  void
   457  _swrast_ReadPixels( struct gl_context *ctx,
   458                      GLint x, GLint y, GLsizei width, GLsizei height,
   459                      GLenum format, GLenum type,
   460                      const struct gl_pixelstore_attrib *packing,
   461                      GLvoid *pixels )
   462  {
...
   516        default:
   517           _mesa_problem(ctx, "unexpected format 0x%x in _swrast_ReadPixels", format);
   518           /* don't return yet, clean-up */