src/gallium/drivers/freedreno/a6xx/fd6_screen.c

   1 /*
   2  * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
   3  * Copyright © 2018 Google, Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  * Authors:
  25  *    Rob Clark <robclark@freedesktop.org>
  26  */
  27
  28 #include "pipe/p_screen.h"
  29 #include "util/u_format.h"
  30
  31 #include "fd6_screen.h"
  32 #include "fd6_context.h"
  33 #include "fd6_format.h"
  34 #include "fd6_resource.h"
  35
  36 #include "ir3_compiler.h"
  37
  38 static boolean
  39 fd6_screen_is_format_supported(struct pipe_screen *pscreen,
  40                 enum pipe_format format,
  41                 enum pipe_texture_target target,
  42                 unsigned sample_count,
  43                 unsigned storage_sample_count,
  44                 unsigned usage)
  45 {
  46         unsigned retval = 0;
  47
  48         if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
  49                         (sample_count > 1)) { /* TODO add MSAA */
  50                 DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
  51                                 util_format_name(format), target, sample_count, usage);
  52                 return FALSE;
  53         }
  54
  55         if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
  56                 return false;
  57
  58         if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
  59                         (fd6_pipe2vtx(format) != (enum a6xx_vtx_fmt)~0)) {
  60                 retval |= PIPE_BIND_VERTEX_BUFFER;
  61         }
  62
  63         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
  64                         (target == PIPE_BUFFER ||
  65                          util_format_get_blocksize(format) != 12) &&
  66                         (fd6_pipe2tex(format) != (enum a6xx_tex_fmt)~0)) {
  67                 retval |= PIPE_BIND_SAMPLER_VIEW;
  68         }
  69
  70         if ((usage & (PIPE_BIND_RENDER_TARGET |
  71                                 PIPE_BIND_DISPLAY_TARGET |
  72                                 PIPE_BIND_SCANOUT |
  73                                 PIPE_BIND_SHARED |
  74                                 PIPE_BIND_COMPUTE_RESOURCE)) &&
  75                         (fd6_pipe2color(format) != (enum a6xx_color_fmt)~0) &&
  76                         (fd6_pipe2tex(format) != (enum a6xx_tex_fmt)~0)) {
  77                 retval |= usage & (PIPE_BIND_RENDER_TARGET |
  78                                 PIPE_BIND_DISPLAY_TARGET |
  79                                 PIPE_BIND_SCANOUT |
  80                                 PIPE_BIND_SHARED |
  81                                 PIPE_BIND_COMPUTE_RESOURCE);
  82         }
  83
  84         /* For ARB_framebuffer_no_attachments: */
  85         if ((usage & PIPE_BIND_RENDER_TARGET) && (format == PIPE_FORMAT_NONE)) {
  86                 retval |= usage & PIPE_BIND_RENDER_TARGET;
  87         }
  88
  89         if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
  90                         (fd6_pipe2depth(format) != (enum a6xx_depth_format)~0) &&
  91                         (fd6_pipe2tex(format) != (enum a6xx_tex_fmt)~0)) {
  92                 retval |= PIPE_BIND_DEPTH_STENCIL;
  93         }
  94
  95         if ((usage & PIPE_BIND_INDEX_BUFFER) &&
  96                         (fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
  97                 retval |= PIPE_BIND_INDEX_BUFFER;
  98         }
  99
 100         if (retval != usage) {
 101                 DBG("not supported: format=%s, target=%d, sample_count=%d, "
 102                                 "usage=%x, retval=%x", util_format_name(format),
 103                                 target, sample_count, usage, retval);
 104         }
 105
 106         return retval == usage;
 107 }
 108
 109 void
 110 fd6_screen_init(struct pipe_screen *pscreen)
 111 {
 112         struct fd_screen *screen = fd_screen(pscreen);
 113         screen->max_rts = A6XX_MAX_RENDER_TARGETS;
 114         screen->compiler = ir3_compiler_create(screen->dev, screen->gpu_id);
 115         pscreen->context_create = fd6_context_create;
 116         pscreen->is_format_supported = fd6_screen_is_format_supported;
 117
 118         screen->setup_slices = fd6_setup_slices;
 119 }