1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * Rob Clark <robclark@freedesktop.org>
30 #include "pipe/p_state.h"
31 #include "util/u_string.h"
32 #include "util/u_memory.h"
35 #include "fd2_context.h"
39 fd2_zsa_state_create(struct pipe_context
*pctx
,
40 const struct pipe_depth_stencil_alpha_state
*cso
)
42 struct fd2_zsa_stateobj
*so
;
44 so
= CALLOC_STRUCT(fd2_zsa_stateobj
);
50 so
->rb_depthcontrol
|=
51 A2XX_RB_DEPTHCONTROL_ZFUNC(cso
->depth
.func
); /* maps 1:1 */
53 if (cso
->depth
.enabled
)
54 so
->rb_depthcontrol
|= A2XX_RB_DEPTHCONTROL_Z_ENABLE
;
55 if (cso
->depth
.writemask
)
56 so
->rb_depthcontrol
|= A2XX_RB_DEPTHCONTROL_Z_WRITE_ENABLE
;
58 if (cso
->stencil
[0].enabled
) {
59 const struct pipe_stencil_state
*s
= &cso
->stencil
[0];
61 so
->rb_depthcontrol
|=
62 A2XX_RB_DEPTHCONTROL_STENCIL_ENABLE
|
63 A2XX_RB_DEPTHCONTROL_STENCILFUNC(s
->func
) | /* maps 1:1 */
64 A2XX_RB_DEPTHCONTROL_STENCILFAIL(fd_stencil_op(s
->fail_op
)) |
65 A2XX_RB_DEPTHCONTROL_STENCILZPASS(fd_stencil_op(s
->zpass_op
)) |
66 A2XX_RB_DEPTHCONTROL_STENCILZFAIL(fd_stencil_op(s
->zfail_op
));
67 so
->rb_stencilrefmask
|=
68 0xff000000 | /* ??? */
69 A2XX_RB_STENCILREFMASK_STENCILWRITEMASK(s
->writemask
) |
70 A2XX_RB_STENCILREFMASK_STENCILMASK(s
->valuemask
);
72 if (cso
->stencil
[1].enabled
) {
73 const struct pipe_stencil_state
*bs
= &cso
->stencil
[1];
75 so
->rb_depthcontrol
|=
76 A2XX_RB_DEPTHCONTROL_BACKFACE_ENABLE
|
77 A2XX_RB_DEPTHCONTROL_STENCILFUNC_BF(bs
->func
) | /* maps 1:1 */
78 A2XX_RB_DEPTHCONTROL_STENCILFAIL_BF(fd_stencil_op(bs
->fail_op
)) |
79 A2XX_RB_DEPTHCONTROL_STENCILZPASS_BF(fd_stencil_op(bs
->zpass_op
)) |
80 A2XX_RB_DEPTHCONTROL_STENCILZFAIL_BF(fd_stencil_op(bs
->zfail_op
));
81 so
->rb_stencilrefmask_bf
|=
82 0xff000000 | /* ??? */
83 A2XX_RB_STENCILREFMASK_STENCILWRITEMASK(bs
->writemask
) |
84 A2XX_RB_STENCILREFMASK_STENCILMASK(bs
->valuemask
);
88 if (cso
->alpha
.enabled
) {
90 A2XX_RB_COLORCONTROL_ALPHA_FUNC(cso
->alpha
.func
) |
91 A2XX_RB_COLORCONTROL_ALPHA_TEST_ENABLE
;
92 so
->rb_alpha_ref
= fui(cso
->alpha
.ref_value
);