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svga: Fix stencil op mapping

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We were inverting the meaning of the stencil op flags: in svga/d3d
the normal incr/decr wraps and the SAT ops clamp.
This fixes piglit failures (at least stencil-twoside and stencil-wrap).
We should backport this everywhere we can.

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Zack Rusin 2012-02-24 14:26:41 -05:00
parent e0095548c0
commit 5d9bfc4d3f
1 changed files with 4 additions and 4 deletions
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8
src/gallium/drivers/svga/svga_pipe_depthstencil.c
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@ -57,10 +57,10 @@ svga_translate_stencil_op(unsigned op)
case PIPE_STENCIL_OP_KEEP: return SVGA3D_STENCILOP_KEEP;
case PIPE_STENCIL_OP_ZERO: return SVGA3D_STENCILOP_ZERO;
case PIPE_STENCIL_OP_REPLACE: return SVGA3D_STENCILOP_REPLACE;
case PIPE_STENCIL_OP_INCR: return SVGA3D_STENCILOP_INCR;
case PIPE_STENCIL_OP_DECR: return SVGA3D_STENCILOP_DECR;
case PIPE_STENCIL_OP_INCR_WRAP: return SVGA3D_STENCILOP_INCRSAT; /* incorrect? */
case PIPE_STENCIL_OP_DECR_WRAP: return SVGA3D_STENCILOP_DECRSAT; /* incorrect? */
case PIPE_STENCIL_OP_INCR: return SVGA3D_STENCILOP_INCRSAT;
case PIPE_STENCIL_OP_DECR: return SVGA3D_STENCILOP_DECRSAT;
case PIPE_STENCIL_OP_INCR_WRAP: return SVGA3D_STENCILOP_INCR;
case PIPE_STENCIL_OP_DECR_WRAP: return SVGA3D_STENCILOP_DECR;
case PIPE_STENCIL_OP_INVERT: return SVGA3D_STENCILOP_INVERT;
default:
assert(0);