diff options
Diffstat (limited to 'src/mesa/state_tracker/st_cb_readpixels.c')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_readpixels.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c index 0b2b9d544d..3615fafc0a 100644 --- a/src/mesa/state_tracker/st_cb_readpixels.c +++ b/src/mesa/state_tracker/st_cb_readpixels.c @@ -183,6 +183,8 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, struct gl_pixelstore_attrib clippedPacking = *pack; struct pipe_surface *surf; + assert(ctx->ReadBuffer->Width > 0); + /* XXX convolution not done yet */ assert((transferOps & IMAGE_CONVOLUTION_BIT) == 0); |