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      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
    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