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svga: issue debug warning for unsupported two-sided stencil state

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We only have a single stencil read mask and write mask.  Issue a
warning if different front/back values are used.  The Piglit
gl-2.0-two-sided-stencil test hits this.

Reviewed-by: Neha Bhende <bhenden@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
This commit is contained in:
Brian Paul
2017-11-10 13:13:46 -07:00
parent cacb88490a
commit 824e8084ed
1 changed files with 15 additions and 0 deletions
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src/gallium/drivers/svga/svga_pipe_depthstencil.c
+15
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@@ -172,6 +172,21 @@ svga_create_depth_stencil_state(struct pipe_context *pipe,
ds->stencil_mask = templ->stencil[1].valuemask & 0xff;
ds->stencil_writemask = templ->stencil[1].writemask & 0xff;
if (templ->stencil[1].valuemask != templ->stencil[0].valuemask) {
pipe_debug_message(&svga->debug.callback, CONFORMANCE,
"two-sided stencil mask not supported "
"(front=0x%x, back=0x%x)",
templ->stencil[0].valuemask,
templ->stencil[1].valuemask);
}
if (templ->stencil[1].writemask != templ->stencil[0].writemask) {
pipe_debug_message(&svga->debug.callback, CONFORMANCE,
"two-sided stencil writemask not supported "
"(front=0x%x, back=0x%x)",
templ->stencil[0].writemask,
templ->stencil[1].writemask);
}
}
else {
/* back face state is same as front-face state */