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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_RESOURCE_H
25 #define ZINK_RESOURCE_H
26 
27 struct pipe_screen;
28 struct sw_displaytarget;
29 struct zink_batch;
30 
31 #include "util/u_transfer.h"
32 
33 #include <vulkan/vulkan.h>
34 
35 #define ZINK_RESOURCE_ACCESS_READ 1
36 #define ZINK_RESOURCE_ACCESS_WRITE 16
37 
38 struct zink_resource {
39    struct pipe_resource base;
40 
41    enum pipe_format internal_format:16;
42 
43    union {
44       VkBuffer buffer;
45       struct {
46          VkFormat format;
47          VkImage image;
48          VkImageLayout layout;
49          VkImageAspectFlags aspect;
50          bool optimial_tiling;
51       };
52    };
53    VkDeviceMemory mem;
54    VkDeviceSize offset, size;
55 
56    struct sw_displaytarget *dt;
57    unsigned dt_stride;
58 
59    /* this has to be atomic for fence access, so we can't use a bitmask and make everything neat */
60    uint8_t batch_uses[4];
61    bool needs_xfb_barrier;
62 };
63 
64 struct zink_transfer {
65    struct pipe_transfer base;
66    struct pipe_resource *staging_res;
67 };
68 
69 static inline struct zink_resource *
zink_resource(struct pipe_resource * r)70 zink_resource(struct pipe_resource *r)
71 {
72    return (struct zink_resource *)r;
73 }
74 
75 void
76 zink_screen_resource_init(struct pipe_screen *pscreen);
77 
78 void
79 zink_context_resource_init(struct pipe_context *pctx);
80 
81 void
82 zink_get_depth_stencil_resources(struct pipe_resource *res,
83                                  struct zink_resource **out_z,
84                                  struct zink_resource **out_s);
85 
86 void
87 zink_resource_setup_transfer_layouts(struct zink_batch *batch, struct zink_resource *src, struct zink_resource *dst);
88 #endif
89