src/mesa/state_tracker/tests/st_format.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 VMware, Inc.
   4  * Copyright (c) 2008-2010 VMware, Inc.
   5  * Copyright (c) 2019 Google, LLC
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  13  * permit persons to whom the Software is furnished to do so, subject to
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  18  * of the Software.
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  26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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  28  **************************************************************************/
  29
  30 #include "pipe/p_context.h"
  31 #include "pipe/p_screen.h"
  32 #include "state_tracker/st_context.h"
  33 #include "state_tracker/st_format.h"
  34 #include "state_tracker/st_texture.h"
  35 #include "util/format/u_format.h"
  36 #include <stdbool.h>
  37
  38 static bool
  39 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    return true;
  47 }
  48
  49 int main(int argc, char **argv)
  50 {
  51    struct pipe_screen screen = {
  52       .is_format_supported = is_format_supported,
  53    };
  54    struct pipe_context pctx = {
  55       .screen = &screen,
  56    };
  57    struct st_context local_st = {
  58       .pipe = &pctx,
  59       .has_etc1 = true,
  60       .has_etc2 = true,
  61       .has_astc_2d_ldr = true,
  62       .has_astc_5x5_ldr = true,
  63    };
  64    struct st_context *st = &local_st;
  65
  66    GLuint i;
  67
  68    /* test all Mesa formats */
  69    for (i = 1; i < MESA_FORMAT_COUNT; i++) {
  70       if (!_mesa_get_format_name(i))
  71          continue;
  72
  73       enum pipe_format pf;
  74
  75       assert(!st_compressed_format_fallback(st, i));
  76
  77       pf = st_mesa_format_to_pipe_format(st, i);
  78       if (pf != PIPE_FORMAT_NONE) {
  79          mesa_format mf = st_pipe_format_to_mesa_format(pf);
  80          if (mf != i) {
  81             fprintf(stderr, "Round-tripping %s -> %s -> %s failed\n",
  82                     _mesa_get_format_name(i), util_format_short_name(pf),
  83                     _mesa_get_format_name(mf));
  84             return 1;
  85          }
  86
  87          const struct util_format_description *desc = util_format_description(i);
  88
  89          /* Make sure that gallium and Mesa agree on whether the format is an
  90           * array format.
  91           */
  92          if (desc->nr_channels > 1) {
  93             bool mesa_array = (_mesa_get_format_layout(mf) ==
  94                                MESA_FORMAT_LAYOUT_ARRAY);
  95             bool gallium_array = desc->is_array && !desc->is_bitmask;
  96             /* We should probably be checking equality here, but we have some
  97              * UINT and SINT types that are array formats in Mesa but not in
  98              * gallium.
  99              */
 100             if (gallium_array && !mesa_array) {
 101                fprintf(stderr, "%s is %sarray, %s is %sarray\n",
 102                        util_format_short_name(i),
 103                        gallium_array ? "" : "not ",
 104                        _mesa_get_format_name(mf),
 105                        mesa_array ? "" : "not ");
 106                return 1;
 107             }
 108          }
 109       }
 110    }
 111
 112    return 0;
 113 }