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_RENDERPASS_H
25 #define ZINK_RENDERPASS_H
26 
27 #include <vulkan/vulkan.h>
28 
29 #include "pipe/p_state.h"
30 #include "util/u_inlines.h"
31 
32 struct zink_screen;
33 
34 struct zink_rt_attrib {
35   VkFormat format;
36   VkSampleCountFlagBits samples;
37   bool clear_color;
38   union {
39      bool clear_stencil;
40      bool fbfetch;
41   };
42   union {
43      bool swapchain;
44      bool needs_write;
45   };
46   bool resolve;
47 };
48 
49 struct zink_render_pass_state {
50    uint8_t num_cbufs : 5; /* PIPE_MAX_COLOR_BUFS = 8 */
51    uint8_t have_zsbuf : 1;
52    uint8_t samples:1; //for fs samplemask
53    uint8_t swapchain_init:1;
54    uint32_t num_zsresolves : 1;
55    uint32_t num_cresolves : 23; /* PIPE_MAX_COLOR_BUFS, but this is a struct hole */
56    struct zink_rt_attrib rts[PIPE_MAX_COLOR_BUFS + 1];
57    unsigned num_rts;
58    uint32_t clears; //for extra verification and update flagging
59    uint32_t msaa_expand_mask;
60 };
61 
62 struct zink_pipeline_rt {
63    VkFormat format;
64    VkSampleCountFlagBits samples;
65 };
66 
67 struct zink_render_pass_pipeline_state {
68    uint32_t num_attachments:26;
69    uint32_t num_cresolves:4;
70    uint32_t num_zsresolves:1;
71    bool samples:1; //for fs samplemask
72    struct zink_pipeline_rt attachments[PIPE_MAX_COLOR_BUFS + 1];
73    unsigned id;
74 };
75 
76 struct zink_render_pass {
77    VkRenderPass render_pass;
78    struct zink_render_pass_state state;
79    unsigned pipeline_state;
80 };
81 
82 struct zink_render_pass *
83 zink_create_render_pass(struct zink_screen *screen,
84                         struct zink_render_pass_state *state,
85                         struct zink_render_pass_pipeline_state *pstate);
86 
87 void
88 zink_destroy_render_pass(struct zink_screen *screen,
89                          struct zink_render_pass *rp);
90 
91 VkImageLayout
92 zink_render_pass_attachment_get_barrier_info(const struct zink_render_pass *rp, unsigned idx, VkPipelineStageFlags *pipeline, VkAccessFlags *access);
93 #endif
94