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author | Samuel Pitoiset <samuel.pitoiset@gmail.com> | 2015-07-06 23:34:23 +0200 |
---|---|---|
committer | Emil Velikov <emil.l.velikov@gmail.com> | 2015-08-01 16:48:44 +0100 |
commit | 2a72e18abbe9286d16e388eb1a004147f0b6e54b (patch) | |
tree | b64c08ab47f94e0ff4c28a9423179aeee5b801a0 | |
parent | b70176d96b1b5033d4bc1414fd63758ebd144787 (diff) |
nv50: avoid segfault with enabled but unbound vertex attrib
Before validating vertex arrays we need to check if a VBO is present.
Checking if vb->buffer is not NULL fixes the issue.
Fixes the following piglit test:
gl-3.1-vao-broken-attrib
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
(cherry picked from commit adc816a1e41812e6489a5bc388f80de65504be5b)
-rw-r--r-- | src/gallium/drivers/nouveau/nv50/nv50_vbo.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_vbo.c b/src/gallium/drivers/nouveau/nv50/nv50_vbo.c index 1fd33b8aa59..3d200bd65e8 100644 --- a/src/gallium/drivers/nouveau/nv50/nv50_vbo.c +++ b/src/gallium/drivers/nouveau/nv50/nv50_vbo.c @@ -382,6 +382,11 @@ nv50_vertex_arrays_validate(struct nv50_context *nv50) if (nv50->vbo_user & (1 << b)) { address = addrs[b] + ve->pipe.src_offset; limit = addrs[b] + limits[b]; + } else + if (!vb->buffer) { + BEGIN_NV04(push, NV50_3D(VERTEX_ARRAY_FETCH(i)), 1); + PUSH_DATA (push, 0); + continue; } else { struct nv04_resource *buf = nv04_resource(vb->buffer); if (!(refd & (1 << b))) { |