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gallium: don't enable stencil test if no stencil buffer.

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Also, if not doing two-sided stencil, set back-face state = front-face state.
This commit is contained in:
Brian Paul 2008-03-24 19:59:59 -06:00
parent 6579440ea9
commit d453042bc6
1 changed files with 4 additions and 1 deletions
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5
src/mesa/state_tracker/st_atom_depth.c
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@ -105,7 +105,7 @@ update_depth_stencil_alpha(struct st_context *st)
st->ctx->Query.CurrentOcclusionObject->Active)
dsa->depth.occlusion_count = 1;
if (st->ctx->Stencil.Enabled) {
if (st->ctx->Stencil.Enabled && st->ctx->Visual.stencilBits > 0) {
dsa->stencil[0].enabled = 1;
dsa->stencil[0].func = st_compare_func_to_pipe(st->ctx->Stencil.Function[0]);
dsa->stencil[0].fail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.FailFunc[0]);
@ -125,6 +125,9 @@ update_depth_stencil_alpha(struct st_context *st)
dsa->stencil[1].value_mask = st->ctx->Stencil.ValueMask[1] & 0xff;
dsa->stencil[1].write_mask = st->ctx->Stencil.WriteMask[1] & 0xff;
}
else {
dsa->stencil[1] = dsa->stencil[0];
}
}
if (st->ctx->Color.AlphaEnabled) {