Module: Mesa Branch: master Commit: f1c448d2e59bd14b4ddb63654e7b6d605f877d10 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f1c448d2e59bd14b4ddb63654e7b6d605f877d10
Author: Brian Paul <[email protected]> Date: Fri Sep 21 08:09:01 2012 -0600 st/mesa: check for zero-size image in st_TestProxyTexImage() Fixes divide by zero issue in llvmpipe driver. Reviewed-by: José Fonseca <[email protected]> --- src/mesa/state_tracker/st_cb_texture.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c index 4f4fe77..5634a3e 100644 --- a/src/mesa/state_tracker/st_cb_texture.c +++ b/src/mesa/state_tracker/st_cb_texture.c @@ -1379,6 +1379,11 @@ st_TestProxyTexImage(struct gl_context *ctx, GLenum target, struct st_context *st = st_context(ctx); struct pipe_context *pipe = st->pipe; + if (width == 0 || height == 0 || depth == 0) { + /* zero-sized images are legal, and always fit! */ + return GL_TRUE; + } + if (pipe->screen->can_create_resource) { /* Ask the gallium driver if the texture is too large */ struct gl_texture_object *texObj = _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
