dlls/d3d8/pixelshader.c

   1 /*
   2  * IDirect3DPixelShader8 implementation
   3  *
   4  * Copyright 2002-2003 Jason Edmeades
   5  *                     Raphael Junqueira
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "d3d8_private.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(d3d8);
  26
  27 /* IDirect3DPixelShader8 IUnknown parts follow: */
  28 static HRESULT WINAPI IDirect3DPixelShader8Impl_QueryInterface(IDirect3DPixelShader8 *iface, REFIID riid, LPVOID *ppobj) {
  29     IDirect3DPixelShader8Impl *This = (IDirect3DPixelShader8Impl *)iface;
  30
  31     TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), ppobj);
  32
  33     if (IsEqualGUID(riid, &IID_IUnknown)
  34         || IsEqualGUID(riid, &IID_IDirect3DPixelShader8)) {
  35         IUnknown_AddRef(iface);
  36         *ppobj = This;
  37         return S_OK;
  38     }
  39
  40     WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
  41     *ppobj = NULL;
  42     return E_NOINTERFACE;
  43 }
  44
  45 static ULONG WINAPI IDirect3DPixelShader8Impl_AddRef(IDirect3DPixelShader8 *iface) {
  46     IDirect3DPixelShader8Impl *This = (IDirect3DPixelShader8Impl *)iface;
  47     ULONG ref = InterlockedIncrement(&This->ref);
  48
  49     TRACE("%p increasing refcount to %u.\n", iface, ref);
  50
  51     if (ref == 1)
  52     {
  53         wined3d_mutex_lock();
  54         IWineD3DPixelShader_AddRef(This->wineD3DPixelShader);
  55         wined3d_mutex_unlock();
  56     }
  57
  58     return ref;
  59 }
  60
  61 static ULONG WINAPI IDirect3DPixelShader8Impl_Release(IDirect3DPixelShader8 * iface) {
  62     IDirect3DPixelShader8Impl *This = (IDirect3DPixelShader8Impl *)iface;
  63     ULONG ref = InterlockedDecrement(&This->ref);
  64
  65     TRACE("%p decreasing refcount to %u.\n", iface, ref);
  66
  67     if (ref == 0) {
  68         wined3d_mutex_lock();
  69         IWineD3DPixelShader_Release(This->wineD3DPixelShader);
  70         wined3d_mutex_unlock();
  71     }
  72     return ref;
  73 }
  74
  75 static const IDirect3DPixelShader8Vtbl Direct3DPixelShader8_Vtbl =
  76 {
  77     /* IUnknown */
  78     IDirect3DPixelShader8Impl_QueryInterface,
  79     IDirect3DPixelShader8Impl_AddRef,
  80     IDirect3DPixelShader8Impl_Release,
  81 };
  82
  83 static void STDMETHODCALLTYPE d3d8_pixelshader_wined3d_object_destroyed(void *parent)
  84 {
  85     HeapFree(GetProcessHeap(), 0, parent);
  86 }
  87
  88 static const struct wined3d_parent_ops d3d8_pixelshader_wined3d_parent_ops =
  89 {
  90     d3d8_pixelshader_wined3d_object_destroyed,
  91 };
  92
  93 HRESULT pixelshader_init(IDirect3DPixelShader8Impl *shader, IDirect3DDevice8Impl *device,
  94         const DWORD *byte_code, DWORD shader_handle)
  95 {
  96     HRESULT hr;
  97
  98     shader->ref = 1;
  99     shader->lpVtbl = &Direct3DPixelShader8_Vtbl;
 100     shader->handle = shader_handle;
 101
 102     wined3d_mutex_lock();
 103     hr = IWineD3DDevice_CreatePixelShader(device->WineD3DDevice, byte_code,
 104             NULL, &shader->wineD3DPixelShader, (IUnknown *)shader,
 105             &d3d8_pixelshader_wined3d_parent_ops);
 106     wined3d_mutex_unlock();
 107     if (FAILED(hr))
 108     {
 109         WARN("Failed to create wined3d pixel shader, hr %#x.\n", hr);
 110         return hr;
 111     }
 112
 113     return D3D_OK;
 114 }