1 /*
2  * Copyright (C) 2021 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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 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 NONINFRINGEMENT.  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 FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  */
24 
25 #ifndef __PAN_BLITTER_H
26 #define __PAN_BLITTER_H
27 
28 #include "genxml/gen_macros.h"
29 
30 #include "panfrost-job.h"
31 #include "pan_cs.h"
32 #include "pan_pool.h"
33 #include "pan_texture.h"
34 #include "pan_util.h"
35 #include "util/format/u_format.h"
36 
37 struct pan_fb_info;
38 struct pan_scoreboard;
39 struct pan_pool;
40 struct panfrost_device;
41 
42 struct pan_blit_info {
43         struct {
44                 struct {
45                         const struct pan_image *image;
46                         enum pipe_format format;
47                 } planes[2];
48                 unsigned level;
49                 struct {
50                         int32_t x, y, z;
51                         unsigned layer;
52                 } start, end;
53         } src, dst;
54         struct {
55                bool enable;
56                uint16_t minx, miny, maxx, maxy;
57         } scissor;
58         bool nearest;
59 };
60 
61 struct pan_blit_context {
62         mali_ptr rsd, vpd;
63         mali_ptr textures;
64         mali_ptr samplers;
65         mali_ptr position;
66         struct {
67                 enum mali_texture_dimension dim;
68                 struct {
69                         float x, y;
70                 } start, end;
71                 union {
72                         unsigned layer_offset;
73                         float z_offset;
74                 };
75         } src;
76         struct {
77                 int32_t layer_offset;
78                 int32_t cur_layer;
79                 int32_t last_layer;
80         } dst;
81         float z_scale;
82 };
83 
84 void
85 GENX(pan_blitter_init)(struct panfrost_device *dev,
86                        struct pan_pool *bin_pool,
87                        struct pan_pool *desc_pool);
88 
89 void
90 GENX(pan_blitter_cleanup)(struct panfrost_device *dev);
91 
92 unsigned
93 GENX(pan_preload_fb)(struct pan_pool *desc_pool,
94                      struct pan_scoreboard *scoreboard,
95                      struct pan_fb_info *fb,
96                      mali_ptr tsd, mali_ptr tiler,
97                      struct panfrost_ptr *jobs);
98 
99 void
100 GENX(pan_blit_ctx_init)(struct panfrost_device *dev,
101                         const struct pan_blit_info *info,
102                         struct pan_pool *blit_pool,
103                         struct pan_blit_context *ctx);
104 
105 static inline bool
pan_blit_next_surface(struct pan_blit_context * ctx)106 pan_blit_next_surface(struct pan_blit_context *ctx)
107 {
108         if (ctx->dst.last_layer < ctx->dst.layer_offset) {
109                 if (ctx->dst.cur_layer <= ctx->dst.last_layer)
110                         return false;
111 
112                 ctx->dst.cur_layer--;
113         } else {
114                 if (ctx->dst.cur_layer >= ctx->dst.last_layer)
115                         return false;
116 
117                 ctx->dst.cur_layer++;
118         }
119 
120         return true;
121 }
122 
123 struct panfrost_ptr
124 GENX(pan_blit)(struct pan_blit_context *ctx,
125                struct pan_pool *pool,
126                struct pan_scoreboard *scoreboard,
127                mali_ptr tsd, mali_ptr tiler);
128 
129 #endif
130