Merge remote-tracking branch 'origin/released'

Conflicts:
	xorg-server/include/os.h

1 files changed, 13 insertions, 0 deletions

diff --git a/mesalib/src/mesa/main/pbo.c b/mesalib/src/mesa/main/pbo.c
index 4e7e6f925..41ff2ff44 100644
--- a/mesalib/src/mesa/main/pbo.c
+++ b/mesalib/src/mesa/main/pbo.c
@@ -82,6 +82,19 @@ _mesa_validate_pbo_access(GLuint dimensions,
    } else {
       offset = ptr;
       sizeAddr = ((const GLubyte *) 0) + pack->BufferObj->Size;
+      /* The ARB_pixel_buffer_object spec says:
+       *    "INVALID_OPERATION is generated by ColorTable, ColorSubTable,
+       *    ConvolutionFilter2D, ConvolutionFilter1D, SeparableFilter2D,
+       *    TexImage1D, TexImage2D, TexImage3D, TexSubImage1D,
+       *    TexSubImage2D, TexSubImage3D, and DrawPixels if the current
+       *    PIXEL_UNPACK_BUFFER_BINDING_ARB value is non-zero and the data
+       *    parameter is not evenly divisible into the number of basic machine
+       *    units needed to store in memory a datum indicated by the type
+       *    parameter."
+       */
+      if (type != GL_BITMAP &&
+          ((GLintptr)offset % _mesa_sizeof_packed_type(type)))
+         return GL_FALSE;
    }
 
    if (sizeAddr == 0)