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llvmpipe: align the array used for subdivived vertices

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When subdiving a triangle we're using a temporary array to store
the new coordinates for the subdivided triangles. Unfortunately
the array used for that was not aligned properly causing
random crashes in the llvm jit code which was trying to load
vectors from it.

Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Zack Rusin 2013-09-23 17:29:39 -04:00
parent f036d55515
commit e5ec5aef2b
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/llvmpipe/lp_setup_tri.c
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@ -909,7 +909,7 @@ subdiv_tri(struct lp_setup_context *setup,
unsigned n = setup->fs.current.variant->shader->info.base.num_inputs + 1;
const struct lp_shader_input *inputs =
setup->fs.current.variant->shader->inputs;
float vmid[PIPE_MAX_ATTRIBS][4];
PIPE_ALIGN_VAR(LP_MIN_VECTOR_ALIGN) float vmid[PIPE_MAX_ATTRIBS][4];
const float (*vm)[4] = (const float (*)[4]) vmid;
unsigned i;
float w0, w1, wm;