2 * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Rob Clark <robclark@freedesktop.org>
28 #include "pipe/p_state.h"
29 #include "util/u_string.h"
30 #include "util/u_memory.h"
33 #include "fd5_context.h"
34 #include "fd5_format.h"
37 fd5_zsa_state_create(struct pipe_context
*pctx
,
38 const struct pipe_depth_stencil_alpha_state
*cso
)
40 struct fd5_zsa_stateobj
*so
;
42 so
= CALLOC_STRUCT(fd5_zsa_stateobj
);
48 switch (cso
->depth
.func
) {
50 case PIPE_FUNC_LEQUAL
:
51 so
->gras_lrz_cntl
= A5XX_GRAS_LRZ_CNTL_ENABLE
;
54 case PIPE_FUNC_GREATER
:
55 case PIPE_FUNC_GEQUAL
:
56 so
->gras_lrz_cntl
= A5XX_GRAS_LRZ_CNTL_ENABLE
| A5XX_GRAS_LRZ_CNTL_GREATER
;
61 so
->gras_lrz_cntl
= 0;
65 if (!(cso
->stencil
->enabled
|| cso
->alpha
.enabled
|| !cso
->depth
.writemask
))
69 A5XX_RB_DEPTH_CNTL_ZFUNC(cso
->depth
.func
); /* maps 1:1 */
71 if (cso
->depth
.enabled
)
73 A5XX_RB_DEPTH_CNTL_Z_ENABLE
|
74 A5XX_RB_DEPTH_CNTL_Z_TEST_ENABLE
;
76 if (cso
->depth
.writemask
)
77 so
->rb_depth_cntl
|= A5XX_RB_DEPTH_CNTL_Z_WRITE_ENABLE
;
79 if (cso
->stencil
[0].enabled
) {
80 const struct pipe_stencil_state
*s
= &cso
->stencil
[0];
82 so
->rb_stencil_control
|=
83 A5XX_RB_STENCIL_CONTROL_STENCIL_READ
|
84 A5XX_RB_STENCIL_CONTROL_STENCIL_ENABLE
|
85 A5XX_RB_STENCIL_CONTROL_FUNC(s
->func
) | /* maps 1:1 */
86 A5XX_RB_STENCIL_CONTROL_FAIL(fd_stencil_op(s
->fail_op
)) |
87 A5XX_RB_STENCIL_CONTROL_ZPASS(fd_stencil_op(s
->zpass_op
)) |
88 A5XX_RB_STENCIL_CONTROL_ZFAIL(fd_stencil_op(s
->zfail_op
));
89 so
->rb_stencilrefmask
|=
90 A5XX_RB_STENCILREFMASK_STENCILWRITEMASK(s
->writemask
) |
91 A5XX_RB_STENCILREFMASK_STENCILMASK(s
->valuemask
);
93 if (cso
->stencil
[1].enabled
) {
94 const struct pipe_stencil_state
*bs
= &cso
->stencil
[1];
96 so
->rb_stencil_control
|=
97 A5XX_RB_STENCIL_CONTROL_STENCIL_ENABLE_BF
|
98 A5XX_RB_STENCIL_CONTROL_FUNC_BF(bs
->func
) | /* maps 1:1 */
99 A5XX_RB_STENCIL_CONTROL_FAIL_BF(fd_stencil_op(bs
->fail_op
)) |
100 A5XX_RB_STENCIL_CONTROL_ZPASS_BF(fd_stencil_op(bs
->zpass_op
)) |
101 A5XX_RB_STENCIL_CONTROL_ZFAIL_BF(fd_stencil_op(bs
->zfail_op
));
102 so
->rb_stencilrefmask_bf
|=
103 A5XX_RB_STENCILREFMASK_BF_STENCILWRITEMASK(bs
->writemask
) |
104 A5XX_RB_STENCILREFMASK_BF_STENCILMASK(bs
->valuemask
);
108 if (cso
->alpha
.enabled
) {
109 uint32_t ref
= cso
->alpha
.ref_value
* 255.0;
110 so
->rb_alpha_control
=
111 A5XX_RB_ALPHA_CONTROL_ALPHA_TEST
|
112 A5XX_RB_ALPHA_CONTROL_ALPHA_REF(ref
) |
113 A5XX_RB_ALPHA_CONTROL_ALPHA_TEST_FUNC(cso
->alpha
.func
);
114 // so->rb_depth_control |=
115 // A5XX_RB_DEPTH_CONTROL_EARLY_Z_DISABLE;