IABSD.fr/xenocara/lib/mesa/src/microsoft/compiler/dxil_buffer_test.c

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• Author : jsg
  Date : 2021-07-22 09:57:37
  Hash : f849497a
  Message : Import Mesa 21.1.5

• lib/mesa/src/microsoft/compiler/dxil_buffer_test.c

• /*
   * Copyright © Microsoft Corporation
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice (including the next
   * paragraph) shall be included in all copies or substantial portions of the
   * Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   * IN THE SOFTWARE.
   */
  
  #include "dxil_buffer.h"
  #include <assert.h>
  #include <stdio.h>
  
  static void
  init()
  {
     struct dxil_buffer buf;
     dxil_buffer_init(&buf, 2);
     assert(!buf.buf);
     assert(!buf.buf_bits);
  }
  
  static void
  assert_blob_data(const struct dxil_buffer *m, const uint8_t *data,
                     size_t len)
  {
     if (m->blob.size != len) {
        fprintf(stderr, "blob-size mismatch, expected %zd, got %zd",
                        len, m->blob.size);
        abort();
     }
  
     for (size_t i = 0; i < len; ++i) {
        if (m->blob.data[i] != data[i]) {
           fprintf(stderr, "blob-data mismatch at index %zd, "
                           "expected 0x%02x, got 0x%02x", i,
                           data[i], m->blob.data[i]);
           abort();
        }
     }
  }
  
  #define ASSERT_BLOB_DATA(m, data) \
     assert_blob_data(m, data, sizeof(data))
  
  static void
  align()
  {
     struct dxil_buffer buf;
     dxil_buffer_init(&buf, 2);
     assert_blob_data(&buf, NULL, 0);
  
     dxil_buffer_init(&buf, 2);
     dxil_buffer_emit_bits(&buf, 0xbeef, 16);
     dxil_buffer_align(&buf);
     assert(!buf.buf);
     assert(!buf.buf_bits);
     uint8_t expected0[] = { 0xef, 0xbe, 0x00, 0x00 };
     ASSERT_BLOB_DATA(&buf, expected0);
     dxil_buffer_align(&buf);
     ASSERT_BLOB_DATA(&buf, expected0);
  }
  
  static void
  emit_bits()
  {
     struct dxil_buffer buf;
     dxil_buffer_init(&buf, 2);
     dxil_buffer_emit_bits(&buf, 0xbeef, 16);
     dxil_buffer_align(&buf);
     assert(!buf.buf);
     assert(!buf.buf_bits);
     uint8_t expected0[] = { 0xef, 0xbe, 0x00, 0x00 };
     ASSERT_BLOB_DATA(&buf, expected0);
  
     dxil_buffer_init(&buf, 2);
     dxil_buffer_emit_bits(&buf, 0xdead, 16);
     dxil_buffer_emit_bits(&buf, 0xbeef, 16);
     assert(!buf.buf);
     assert(!buf.buf_bits);
     uint8_t expected1[] = { 0xad, 0xde, 0xef, 0xbe };
     ASSERT_BLOB_DATA(&buf, expected1);
  
     dxil_buffer_init(&buf, 2);
     dxil_buffer_emit_bits(&buf, 0x1111111, 28);
     dxil_buffer_emit_bits(&buf, 0x22222222, 32);
     dxil_buffer_align(&buf);
     uint8_t expected2[] = { 0x11, 0x11, 0x11, 0x21, 0x22, 0x22, 0x22, 0x02 };
     ASSERT_BLOB_DATA(&buf, expected2);
  }
  
  static void
  emit_vbr_bits()
  {
     struct dxil_buffer buf;
     dxil_buffer_init(&buf, 2);
     dxil_buffer_emit_vbr_bits(&buf, 0x1a, 8);
     dxil_buffer_emit_vbr_bits(&buf, 0x1a, 6);
     dxil_buffer_emit_vbr_bits(&buf, 0x00, 2);
     dxil_buffer_emit_vbr_bits(&buf, 0x0a, 4);
     dxil_buffer_emit_vbr_bits(&buf, 0x04, 2);
     dxil_buffer_emit_vbr_bits(&buf, 0x00, 2);
     uint8_t expected[] = { 0x1a, 0x1a, 0x1a, 0x1a };
     ASSERT_BLOB_DATA(&buf, expected);
  }
  
  int
  main()
  {
     init();
     align();
     emit_bits();
     emit_vbr_bits();
     return 0;
  }