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 
33 struct zink_context;
34 struct zink_screen;
35 struct zink_render_pass;
36 
37 struct 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 
49 struct 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 
64 void
65 zink_init_framebuffer(struct zink_screen *screen, struct zink_framebuffer *fb, struct zink_render_pass *rp);
66 void
67 zink_init_framebuffer_imageless(struct zink_screen *screen, struct zink_framebuffer *fb, struct zink_render_pass *rp);
68 
69 void
70 zink_destroy_framebuffer(struct zink_screen *screen,
71                          struct zink_framebuffer *fbuf);
72 
73 void
74 debug_describe_zink_framebuffer(char* buf, const struct zink_framebuffer *ptr);
75 
76 static inline bool
zink_framebuffer_reference(struct zink_screen * screen,struct zink_framebuffer ** dst,struct zink_framebuffer * src)77 zink_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 
93 struct zink_framebuffer *
94 zink_get_framebuffer_imageless(struct zink_context *ctx);
95 
96 struct zink_framebuffer *
97 zink_get_framebuffer(struct zink_context *ctx);
98 #endif
99