pan_blitter.h revision 7ec681f3 
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
37struct pan_fb_info;
38struct pan_scoreboard;
39struct pan_pool;
40struct panfrost_device;
41
42struct 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
61struct 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
84void
85GENX(pan_blitter_init)(struct panfrost_device *dev,
86                       struct pan_pool *bin_pool,
87                       struct pan_pool *desc_pool);
88
89void
90GENX(pan_blitter_cleanup)(struct panfrost_device *dev);
91
92unsigned
93GENX(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
99void
100GENX(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
105static inline bool
106pan_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
123struct panfrost_ptr
124GENX(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