src/gallium/state_trackers/xvmc/block.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include <assert.h>
  29
  30 #include <X11/Xlib.h>
  31 #include <X11/extensions/XvMClib.h>
  32
  33 #include "util/u_memory.h"
  34
  35 #include "xvmc_private.h"
  36
  37 PUBLIC
  38 Status XvMCCreateBlocks(Display *dpy, XvMCContext *context, unsigned int num_blocks, XvMCBlockArray *blocks)
  39 {
  40    assert(dpy);
  41
  42    if (!context)
  43       return XvMCBadContext;
  44    if (num_blocks == 0)
  45       return BadValue;
  46
  47    assert(blocks);
  48
  49    blocks->context_id = context->context_id;
  50    blocks->num_blocks = num_blocks;
  51    blocks->blocks = MALLOC(BLOCK_SIZE_BYTES * num_blocks);
  52    blocks->privData = NULL;
  53
  54    return Success;
  55 }
  56
  57 PUBLIC
  58 Status XvMCDestroyBlocks(Display *dpy, XvMCBlockArray *blocks)
  59 {
  60    assert(dpy);
  61    assert(blocks);
  62    FREE(blocks->blocks);
  63
  64    return Success;
  65 }
  66
  67 PUBLIC
  68 Status XvMCCreateMacroBlocks(Display *dpy, XvMCContext *context, unsigned int num_blocks, XvMCMacroBlockArray *blocks)
  69 {
  70    assert(dpy);
  71
  72    if (!context)
  73       return XvMCBadContext;
  74    if (num_blocks == 0)
  75       return BadValue;
  76
  77    assert(blocks);
  78
  79    blocks->context_id = context->context_id;
  80    blocks->num_blocks = num_blocks;
  81    blocks->macro_blocks = MALLOC(sizeof(XvMCMacroBlock) * num_blocks);
  82    blocks->privData = NULL;
  83
  84    return Success;
  85 }
  86
  87 PUBLIC
  88 Status XvMCDestroyMacroBlocks(Display *dpy, XvMCMacroBlockArray *blocks)
  89 {
  90    assert(dpy);
  91    assert(blocks);
  92    FREE(blocks->macro_blocks);
  93
  94    return Success;
  95 }