src/gallium/drivers/radeonsi/si_buffer.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *      Jerome Glisse
  25  *      Corbin Simpson <MostAwesomeDude@gmail.com>
  26  */
  27
  28 #include "pipe/p_screen.h"
  29 #include "util/u_format.h"
  30 #include "util/u_math.h"
  31 #include "util/u_inlines.h"
  32 #include "util/u_memory.h"
  33 #include "util/u_upload_mgr.h"
  34
  35 #include "si.h"
  36 #include "si_pipe.h"
  37
  38 void si_upload_const_buffer(struct si_context *sctx, struct r600_resource **rbuffer,
  39                         const uint8_t *ptr, unsigned size,
  40                         uint32_t *const_offset)
  41 {
  42         if (SI_BIG_ENDIAN) {
  43                 uint32_t *tmpPtr;
  44                 unsigned i;
  45
  46                 if (!(tmpPtr = malloc(size))) {
  47                         R600_ERR("Failed to allocate BE swap buffer.\n");
  48                         return;
  49                 }
  50
  51                 for (i = 0; i < size / 4; ++i) {
  52                         tmpPtr[i] = util_bswap32(((uint32_t *)ptr)[i]);
  53                 }
  54
  55                 u_upload_data(sctx->b.uploader, 0, size, tmpPtr, const_offset,
  56                                 (struct pipe_resource**)rbuffer);
  57
  58                 free(tmpPtr);
  59         } else {
  60                 u_upload_data(sctx->b.uploader, 0, size, ptr, const_offset,
  61                                         (struct pipe_resource**)rbuffer);
  62         }
  63 }