diff options
| author | Brian Paul <[email protected]> | 2012-09-21 08:09:01 -0600 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2012-09-24 07:58:45 -0600 |
| commit | f1c448d2e59bd14b4ddb63654e7b6d605f877d10 (patch) | |
| tree | 51b523362a397907cdaddcfc3522d21407f1ba84 /src/mesa | |
| parent | c432c86e6aeebeb46c028af940224c59faa16e88 (diff) | |
st/mesa: check for zero-size image in st_TestProxyTexImage()
Fixes divide by zero issue in llvmpipe driver.
Reviewed-by: José Fonseca <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | 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 4f4fe77dad3..5634a3e6e54 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 = |