diff options
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/pbo.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/main/pbo.c b/src/mesa/main/pbo.c index 0c160253201..7762324a4ae 100644 --- a/src/mesa/main/pbo.c +++ b/src/mesa/main/pbo.c @@ -103,6 +103,12 @@ _mesa_validate_pbo_access(GLuint dimensions, /* no buffer! */ return GL_FALSE; + /* If the size of the image is zero then no pixels are accessed so we + * don't need to check anything else. + */ + if (width == 0 || height == 0 || depth == 0) + return GL_TRUE; + /* get the offset to the first pixel we'll read/write */ start = _mesa_image_offset(dimensions, pack, width, height, format, type, 0, 0, 0); |