From f7039fde4f9e1175c3dae534e5b91e22e693124a Mon Sep 17 00:00:00 2001 From: Alan Hourihane Date: Fri, 3 Apr 2009 12:49:05 +0100 Subject: [PATCH] mesa: ensure pbo stencil buffers are mapped before use --- src/mesa/state_tracker/st_cb_drawpixels.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c index f9f139ff073..8926aa38a28 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); -- 2.30.2