dlls/ddraw/gamma.c

   1 /* DirectDrawGammaControl implementation
   2  *
   3  * Copyright 2001 TransGaming Technologies Inc.
   4  * Copyright 2006 Stefan Dösinger
   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 #include "config.h"
  22 #include "wine/port.h"
  23 #include "wine/debug.h"
  24
  25 #include <assert.h>
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29
  30 #define COBJMACROS
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winerror.h"
  35 #include "wingdi.h"
  36 #include "wine/exception.h"
  37
  38 #include "ddraw.h"
  39 #include "d3d.h"
  40
  41 #include "ddraw_private.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  44 WINE_DECLARE_DEBUG_CHANNEL(ddraw_thunk);
  45
  46 /**********************************************************
  47  * IUnknown parts follow
  48  **********************************************************/
  49
  50 /**********************************************************
  51  * IDirectDrawGammaControl::QueryInterface
  52  *
  53  * QueryInterface, thunks to IDirectDrawSurface
  54  *
  55  * Params:
  56  *  riid: Interface id queried for
  57  *  obj: Returns the interface pointer
  58  *
  59  * Returns:
  60  *  S_OK or E_NOINTERFACE: See IDirectDrawSurface7::QueryInterface
  61  *
  62  **********************************************************/
  63 static HRESULT WINAPI
  64 IDirectDrawGammaControlImpl_QueryInterface(IDirectDrawGammaControl *iface, REFIID riid,
  65                                            void **obj)
  66 {
  67     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
  68     TRACE_(ddraw_thunk)("(%p)->(%s,%p): Thunking to IDirectDrawSurface7\n", This, debugstr_guid(riid), obj);
  69
  70     return IDirectDrawSurface7_QueryInterface(ICOM_INTERFACE(This, IDirectDrawSurface7),
  71                                               riid,
  72                                               obj);
  73 }
  74
  75 /**********************************************************
  76  * IDirectDrawGammaControl::AddRef
  77  *
  78  * Addref, thunks to IDirectDrawSurface
  79  *
  80  * Returns:
  81  *  The new refcount
  82  *
  83  **********************************************************/
  84 static ULONG WINAPI
  85 IDirectDrawGammaControlImpl_AddRef(IDirectDrawGammaControl *iface)
  86 {
  87     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
  88     TRACE_(ddraw_thunk)("(%p)->() Thunking to IDirectDrawSurface7\n", This);
  89
  90     return IDirectDrawSurface7_AddRef(ICOM_INTERFACE(This, IDirectDrawSurface7));
  91 }
  92
  93 /**********************************************************
  94  * IDirectDrawGammaControl::Release
  95  *
  96  * Release, thunks to IDirectDrawSurface
  97  *
  98  * Returns:
  99  *  The new refcount
 100  *
 101  **********************************************************/
 102 static ULONG WINAPI
 103 IDirectDrawGammaControlImpl_Release(IDirectDrawGammaControl *iface)
 104 {
 105     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
 106     TRACE_(ddraw_thunk)("(%p)->() Thunking to IDirectDrawSurface7\n", This);
 107
 108     return IDirectDrawSurface7_Release(ICOM_INTERFACE(This, IDirectDrawSurface7));
 109 }
 110
 111 /**********************************************************
 112  * IDirectDrawGammaControl
 113  **********************************************************/
 114
 115 /**********************************************************
 116  * IDirectDrawGammaControl::GetGammaRamp
 117  *
 118  * Returns the current gamma ramp for a surface
 119  *
 120  * Params:
 121  *  Flags: Ignored
 122  *  GammaRamp: Address to write the ramp to
 123  *
 124  * Returns:
 125  *  DD_OK on success
 126  *  DDERR_INVALIDPARAMS if GammaRamp is NULL
 127  *
 128  **********************************************************/
 129 static HRESULT WINAPI
 130 IDirectDrawGammaControlImpl_GetGammaRamp(IDirectDrawGammaControl *iface,
 131                                          DWORD Flags,
 132                                          DDGAMMARAMP *GammaRamp)
 133 {
 134     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
 135     TRACE("(%p)->(%08x,%p)\n", This,Flags,GammaRamp);
 136
 137     /* This looks sane */
 138     if(!GammaRamp)
 139     {
 140         ERR("(%p) GammaRamp is NULL, returning DDERR_INVALIDPARAMS\n", This);
 141         return DDERR_INVALIDPARAMS;
 142     }
 143
 144     EnterCriticalSection(&ddraw_cs);
 145     if(This->surface_desc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
 146     {
 147         /* Note: DDGAMMARAMP is compatible with WINED3DGAMMARAMP */
 148         IWineD3DDevice_GetGammaRamp(This->ddraw->wineD3DDevice,
 149                                     0 /* Swapchain */,
 150                                     (WINED3DGAMMARAMP *) GammaRamp);
 151     }
 152     else
 153     {
 154         ERR("(%p) Unimplemented for non-primary surfaces\n", This);
 155     }
 156     LeaveCriticalSection(&ddraw_cs);
 157
 158     return DD_OK;
 159 }
 160
 161 /**********************************************************
 162  * IDirectDrawGammaControl::SetGammaRamp
 163  *
 164  * Sets the red, green and blue gamma ramps for
 165  *
 166  * Params:
 167  *  Flags: Can be DDSGR_CALIBRATE to request calibration
 168  *  GammaRamp: Structure containing the new gamma ramp
 169  *
 170  * Returns:
 171  *  DD_OK on success
 172  *  DDERR_INVALIDPARAMS if GammaRamp is NULL
 173  *
 174  **********************************************************/
 175 static HRESULT WINAPI
 176 IDirectDrawGammaControlImpl_SetGammaRamp(IDirectDrawGammaControl *iface,
 177                                          DWORD Flags,
 178                                          DDGAMMARAMP *GammaRamp)
 179 {
 180     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
 181     TRACE("(%p)->(%08x,%p)\n", This,Flags,GammaRamp);
 182
 183     /* This looks sane */
 184     if(!GammaRamp)
 185     {
 186         ERR("(%p) GammaRamp is NULL, returning DDERR_INVALIDPARAMS\n", This);
 187         return DDERR_INVALIDPARAMS;
 188     }
 189
 190     EnterCriticalSection(&ddraw_cs);
 191     if(This->surface_desc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
 192     {
 193
 194         /* Note: DDGAMMARAMP is compatible with WINED3DGAMMARAMP */
 195         IWineD3DDevice_SetGammaRamp(This->ddraw->wineD3DDevice,
 196                                     0 /* Swapchain */,
 197                                     Flags,
 198                                     (WINED3DGAMMARAMP *) GammaRamp);
 199     }
 200     else
 201     {
 202         ERR("(%p) Unimplemented for non-primary surfaces\n", This);
 203     }
 204     LeaveCriticalSection(&ddraw_cs);
 205
 206     return DD_OK;
 207 }
 208
 209 const IDirectDrawGammaControlVtbl IDirectDrawGammaControl_Vtbl =
 210 {
 211     IDirectDrawGammaControlImpl_QueryInterface,
 212     IDirectDrawGammaControlImpl_AddRef,
 213     IDirectDrawGammaControlImpl_Release,
 214     IDirectDrawGammaControlImpl_GetGammaRamp,
 215     IDirectDrawGammaControlImpl_SetGammaRamp
 216 };