diff options
| -rw-r--r-- | src/mesa/state_tracker/st_cb_drawpixels.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index f9f139ff07..8926aa38a2 100644 --- a/src/mesa/state_tracker/st_cb_drawpixels.c +++ b/src/mesa/state_tracker/st_cb_drawpixels.c @@ -640,6 +640,9 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, stmap = screen->transfer_map(screen, pt); + pixels = _mesa_map_drawpix_pbo(ctx, unpack, pixels); + assert(pixels); + /* if width > MAX_WIDTH, have to process image in chunks */ skipPixels = 0; while (skipPixels < width) { @@ -705,6 +708,8 @@ draw_stencil_pixels(GLcontext *ctx, GLint x, GLint y, skipPixels += spanWidth; } + _mesa_unmap_drawpix_pbo(ctx, unpack); + /* unmap the stencil buffer */ screen->transfer_unmap(screen, pt); screen->tex_transfer_destroy(pt); |