1 /*
2 * Copyright (c) 2012-2015 Etnaviv Project
3 *
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, sub license,
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:
10 *
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
13 * of the Software.
14 *
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 NON-INFRINGEMENT. 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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Wladimir J. van der Laan <laanwj@gmail.com>
25 * Christian Gmeiner <christian.gmeiner@gmail.com>
26 */
27
28 #ifndef ETNAVIV_STATE_H_
29 #define ETNAVIV_STATE_H_
30
31 #include "etnaviv_context.h"
32 #include "etnaviv_screen.h"
33 #include "pipe/p_context.h"
34
35 static inline bool
etna_depth_enabled(struct etna_context * ctx)36 etna_depth_enabled(struct etna_context *ctx)
37 {
38 return ctx->zsa && ctx->zsa->depth_enabled;
39 }
40
41 static inline bool
etna_stencil_enabled(struct etna_context * ctx)42 etna_stencil_enabled(struct etna_context *ctx)
43 {
44 return ctx->zsa && ctx->zsa->stencil[0].enabled;
45 }
46
47 static inline bool
etna_use_ts_for_mrt(const struct etna_screen * screen,const struct pipe_framebuffer_state * fb)48 etna_use_ts_for_mrt(const struct etna_screen *screen, const struct pipe_framebuffer_state *fb)
49 {
50 if (screen->info->halti >= 2)
51 return true;
52
53 unsigned count = 0;
54
55 for (unsigned i = 0; i < fb->nr_cbufs; i++) {
56 if (!fb->cbufs[i])
57 continue;
58
59 count++;
60 }
61
62 return count <= 1;
63 }
64
65 bool
66 etna_state_update(struct etna_context *ctx);
67
68 void
69 etna_state_init(struct pipe_context *pctx);
70
71 #endif /* ETNAVIV_STATE_H_ */
72