src/gallium/drivers/freedreno/a2xx/fd2_screen.c

   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 extern const struct fd_perfcntr_group a2xx_perfcntr_groups[];
 103 extern const unsigned a2xx_num_perfcntr_groups;
 104
 105 void
 106 fd2_screen_init(struct pipe_screen *pscreen)
 107 {
 108         struct fd_screen *screen = fd_screen(pscreen);
 109
 110         screen->max_rts = 1;
 111         pscreen->context_create = fd2_context_create;
 112         pscreen->is_format_supported = fd2_screen_is_format_supported;
 113
 114         screen->setup_slices = fd2_setup_slices;
 115         if (fd_mesa_debug & FD_DBG_TTILE)
 116                 screen->tile_mode = fd2_tile_mode;
 117
 118         if (fd_mesa_debug & FD_DBG_PERFC) {
 119                 screen->perfcntr_groups = a2xx_perfcntr_groups;
 120                 screen->num_perfcntr_groups = a2xx_num_perfcntr_groups;
 121         }
 122
 123         fd2_emit_init_screen(pscreen);
 124 }