1/*
2 * Copyright 2018 Collabora Ltd.
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
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
13 * 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 AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24#ifndef ZINK_FRAMEBUFFER_H
25#define ZINK_FRAMEBUFFER_H
26
27#include "pipe/p_state.h"
28#include <vulkan/vulkan.h>
29
30#include "util/hash_table.h"
31#include "util/u_inlines.h"
32
33struct zink_context;
34struct zink_screen;
35struct zink_render_pass;
36
37struct zink_framebuffer_state {
38   uint32_t width;
39   uint16_t height;
40   uint32_t layers:6;
41   uint32_t samples:6;
42   uint32_t num_attachments:4;
43   union {
44      VkImageView attachments[PIPE_MAX_COLOR_BUFS + 1];
45      struct zink_surface_info infos[PIPE_MAX_COLOR_BUFS + 1];
46   };
47};
48
49struct zink_framebuffer {
50   struct pipe_reference reference;
51
52   /* current objects */
53   VkFramebuffer fb;
54   struct zink_render_pass *rp;
55
56   struct zink_framebuffer_state state;
57   union {
58      struct pipe_surface *surfaces[PIPE_MAX_COLOR_BUFS + 1];
59      VkFramebufferAttachmentImageInfo infos[PIPE_MAX_COLOR_BUFS + 1];
60   };
61   struct hash_table objects;
62};
63
64void
65zink_init_framebuffer(struct zink_screen *screen, struct zink_framebuffer *fb, struct zink_render_pass *rp);
66void
67zink_init_framebuffer_imageless(struct zink_screen *screen, struct zink_framebuffer *fb, struct zink_render_pass *rp);
68
69void
70zink_destroy_framebuffer(struct zink_screen *screen,
71                         struct zink_framebuffer *fbuf);
72
73void
74debug_describe_zink_framebuffer(char* buf, const struct zink_framebuffer *ptr);
75
76static inline bool
77zink_framebuffer_reference(struct zink_screen *screen,
78                           struct zink_framebuffer **dst,
79                           struct zink_framebuffer *src)
80{
81   struct zink_framebuffer *old_dst = *dst;
82   bool ret = false;
83
84   if (pipe_reference_described(&old_dst->reference, src ? &src->reference : NULL,
85                                (debug_reference_descriptor)debug_describe_zink_framebuffer)) {
86      zink_destroy_framebuffer(screen, old_dst);
87      ret = true;
88   }
89   *dst = src;
90   return ret;
91}
92
93struct zink_framebuffer *
94zink_get_framebuffer_imageless(struct zink_context *ctx);
95
96struct zink_framebuffer *
97zink_get_framebuffer(struct zink_context *ctx);
98#endif
99