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Member "mesa-20.1.8/src/gallium/drivers/freedreno/a2xx/fd2_screen.c" (16 Sep 2020, 3798 Bytes) of package /linux/misc/mesa-20.1.8.tar.xz:


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    1 /*
    2  * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
    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  * Authors:
   24  *    Rob Clark <robclark@freedesktop.org>
   25  */
   26 
   27 #include "pipe/p_screen.h"
   28 #include "util/format/u_format.h"
   29 
   30 #include "fd2_screen.h"
   31 #include "fd2_context.h"
   32 #include "fd2_emit.h"
   33 #include "fd2_util.h"
   34 #include "fd2_resource.h"
   35 
   36 static bool
   37 fd2_screen_is_format_supported(struct pipe_screen *pscreen,
   38         enum pipe_format format,
   39         enum pipe_texture_target target,
   40         unsigned sample_count,
   41         unsigned storage_sample_count,
   42         unsigned usage)
   43 {
   44     unsigned retval = 0;
   45 
   46     if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
   47             (sample_count > 1)) { /* TODO add MSAA */
   48         DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
   49                 util_format_name(format), target, sample_count, usage);
   50         return false;
   51     }
   52 
   53     if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
   54         return false;
   55 
   56     if ((usage & PIPE_BIND_RENDER_TARGET) &&
   57         fd2_pipe2color(format) != (enum a2xx_colorformatx)~0) {
   58         retval |= PIPE_BIND_RENDER_TARGET;
   59     }
   60 
   61     if ((usage & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_VERTEX_BUFFER)) &&
   62             !util_format_is_srgb(format) &&
   63             !util_format_is_pure_integer(format) &&
   64             fd2_pipe2surface(format).format != FMT_INVALID) {
   65         retval |= usage & PIPE_BIND_VERTEX_BUFFER;
   66         /* the only npot blocksize supported texture format is R32G32B32_FLOAT */
   67         if (util_is_power_of_two_or_zero(util_format_get_blocksize(format)) ||
   68                 format == PIPE_FORMAT_R32G32B32_FLOAT)
   69             retval |= usage & PIPE_BIND_SAMPLER_VIEW;
   70     }
   71 
   72     if ((usage & (PIPE_BIND_RENDER_TARGET |
   73                 PIPE_BIND_DISPLAY_TARGET |
   74                 PIPE_BIND_SCANOUT |
   75                 PIPE_BIND_SHARED)) &&
   76             (fd2_pipe2color(format) != (enum a2xx_colorformatx)~0)) {
   77         retval |= usage & (PIPE_BIND_RENDER_TARGET |
   78                 PIPE_BIND_DISPLAY_TARGET |
   79                 PIPE_BIND_SCANOUT |
   80                 PIPE_BIND_SHARED);
   81     }
   82 
   83     if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
   84             (fd_pipe2depth(format) != (enum adreno_rb_depth_format)~0)) {
   85         retval |= PIPE_BIND_DEPTH_STENCIL;
   86     }
   87 
   88     if ((usage & PIPE_BIND_INDEX_BUFFER) &&
   89             (fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
   90         retval |= PIPE_BIND_INDEX_BUFFER;
   91     }
   92 
   93     if (retval != usage) {
   94         DBG("not supported: format=%s, target=%d, sample_count=%d, "
   95                 "usage=%x, retval=%x", util_format_name(format),
   96                 target, sample_count, usage, retval);
   97     }
   98 
   99     return retval == usage;
  100 }
  101 
  102 void
  103 fd2_screen_init(struct pipe_screen *pscreen)
  104 {
  105     struct fd_screen *screen = fd_screen(pscreen);
  106 
  107     screen->max_rts = 1;
  108     pscreen->context_create = fd2_context_create;
  109     pscreen->is_format_supported = fd2_screen_is_format_supported;
  110 
  111     screen->setup_slices = fd2_setup_slices;
  112     if (fd_mesa_debug & FD_DBG_TTILE)
  113         screen->tile_mode = fd2_tile_mode;
  114 
  115     fd2_emit_init_screen(pscreen);
  116 }