dlls/d3dcompiler_43/blob.c

   1 /*
   2  * Direct3D blob file
   3  *
   4  * Copyright 2010 Rico Schüller
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include "d3dcompiler_private.h"
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(d3dcompiler);
  29
  30 /* IUnknown methods */
  31
  32 static HRESULT STDMETHODCALLTYPE d3dcompiler_blob_QueryInterface(ID3DBlob *iface, REFIID riid, void **object)
  33 {
  34     TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), object);
  35
  36     if (IsEqualGUID(riid, &IID_ID3D10Blob)
  37             || IsEqualGUID(riid, &IID_IUnknown))
  38     {
  39         IUnknown_AddRef(iface);
  40         *object = iface;
  41         return S_OK;
  42     }
  43
  44     WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
  45
  46     *object = NULL;
  47     return E_NOINTERFACE;
  48 }
  49
  50 static ULONG STDMETHODCALLTYPE d3dcompiler_blob_AddRef(ID3DBlob *iface)
  51 {
  52     struct d3dcompiler_blob *blob = (struct d3dcompiler_blob *)iface;
  53     ULONG refcount = InterlockedIncrement(&blob->refcount);
  54
  55     TRACE("%p increasing refcount to %u\n", blob, refcount);
  56
  57     return refcount;
  58 }
  59
  60 static ULONG STDMETHODCALLTYPE d3dcompiler_blob_Release(ID3DBlob *iface)
  61 {
  62     struct d3dcompiler_blob *blob = (struct d3dcompiler_blob *)iface;
  63     ULONG refcount = InterlockedDecrement(&blob->refcount);
  64
  65     TRACE("%p decreasing refcount to %u\n", blob, refcount);
  66
  67     if (!refcount)
  68     {
  69         HeapFree(GetProcessHeap(), 0, blob->data);
  70         HeapFree(GetProcessHeap(), 0, blob);
  71     }
  72
  73     return refcount;
  74 }
  75
  76 /* ID3DBlob methods */
  77
  78 static void * STDMETHODCALLTYPE d3dcompiler_blob_GetBufferPointer(ID3DBlob *iface)
  79 {
  80     struct d3dcompiler_blob *blob = (struct d3dcompiler_blob *)iface;
  81
  82     TRACE("iface %p\n", iface);
  83
  84     return blob->data;
  85 }
  86
  87 static SIZE_T STDMETHODCALLTYPE d3dcompiler_blob_GetBufferSize(ID3DBlob *iface)
  88 {
  89     struct d3dcompiler_blob *blob = (struct d3dcompiler_blob *)iface;
  90
  91     TRACE("iface %p\n", iface);
  92
  93     return blob->size;
  94 }
  95
  96 const struct ID3D10BlobVtbl d3dcompiler_blob_vtbl =
  97 {
  98     /* IUnknown methods */
  99     d3dcompiler_blob_QueryInterface,
 100     d3dcompiler_blob_AddRef,
 101     d3dcompiler_blob_Release,
 102     /* ID3DBlob methods */
 103     d3dcompiler_blob_GetBufferPointer,
 104     d3dcompiler_blob_GetBufferSize,
 105 };
 106
 107 HRESULT d3dcompiler_blob_init(struct d3dcompiler_blob *blob, SIZE_T data_size)
 108 {
 109     blob->vtbl = &d3dcompiler_blob_vtbl;
 110     blob->refcount = 1;
 111     blob->size = data_size;
 112
 113     blob->data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, data_size);
 114     if (!blob->data)
 115     {
 116         ERR("Failed to allocate D3D blob data memory\n");
 117         return E_OUTOFMEMORY;
 118     }
 119
 120     return S_OK;
 121 }