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 "winnls.h"
  35 #include "winerror.h"
  36 #include "wingdi.h"
  37 #include "wine/exception.h"
  38 #include "excpt.h"
  39
  40 #include "ddraw.h"
  41 #include "d3d.h"
  42
  43 #include "ddraw_private.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  46 WINE_DECLARE_DEBUG_CHANNEL(ddraw_thunk);
  47
  48 /**********************************************************
  49  * IUnknown parts follow
  50  **********************************************************/
  51
  52 /**********************************************************
  53  * IDirectDrawGammaControl::QueryInterface
  54  *
  55  * QueryInterface, thunks to IDirectDrawSurface
  56  *
  57  * Params:
  58  *  riid: Interface id queried for
  59  *  obj: Returns the interface pointer
  60  *
  61  * Returns:
  62  *  S_OK or E_NOINTERFACE: See IDirectDrawSurface7::QueryInterface
  63  *
  64  **********************************************************/
  65 static HRESULT WINAPI
  66 IDirectDrawGammaControlImpl_QueryInterface(IDirectDrawGammaControl *iface, REFIID riid,
  67                                            void **obj)
  68 {
  69     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
  70     TRACE_(ddraw_thunk)("(%p)->(%s,%p): Thunking to IDirectDrawSurface7\n", This, debugstr_guid(riid), obj);
  71
  72     return IDirectDrawSurface7_QueryInterface(ICOM_INTERFACE(This, IDirectDrawSurface7),
  73                                               riid,
  74                                               obj);
  75 }
  76
  77 /**********************************************************
  78  * IDirectDrawGammaControl::AddRef
  79  *
  80  * Addref, thunks to IDirectDrawSurface
  81  *
  82  * Returns:
  83  *  The new refcount
  84  *
  85  **********************************************************/
  86 static ULONG WINAPI
  87 IDirectDrawGammaControlImpl_AddRef(IDirectDrawGammaControl *iface)
  88 {
  89     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
  90     TRACE_(ddraw_thunk)("(%p)->() Thunking to IDirectDrawSurface7\n", This);
  91
  92     return IDirectDrawSurface7_AddRef(ICOM_INTERFACE(This, IDirectDrawSurface7));
  93 }
  94
  95 /**********************************************************
  96  * IDirectDrawGammaControl::Release
  97  *
  98  * Release, thunks to IDirectDrawSurface
  99  *
 100  * Returns:
 101  *  The new refcount
 102  *
 103  **********************************************************/
 104 static ULONG WINAPI
 105 IDirectDrawGammaControlImpl_Release(IDirectDrawGammaControl *iface)
 106 {
 107     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
 108     TRACE_(ddraw_thunk)("(%p)->() Thunking to IDirectDrawSurface7\n", This);
 109
 110     return IDirectDrawSurface7_Release(ICOM_INTERFACE(This, IDirectDrawSurface7));
 111 }
 112
 113 /**********************************************************
 114  * IDirectDrawGammaControl
 115  **********************************************************/
 116
 117 /**********************************************************
 118  * IDirectDrawGammaControl::GetGammaRamp
 119  *
 120  * Returns the current gamma ramp for a surface
 121  *
 122  * Params:
 123  *  Flags: Ignored
 124  *  GammaRamp: Address to write the ramp to
 125  *
 126  * Returns:
 127  *  DD_OK on success
 128  *  DDERR_INVALIDPARAMS if GammaRamp is NULL
 129  *
 130  **********************************************************/
 131 static HRESULT WINAPI
 132 IDirectDrawGammaControlImpl_GetGammaRamp(IDirectDrawGammaControl *iface,
 133                                          DWORD Flags,
 134                                          DDGAMMARAMP *GammaRamp)
 135 {
 136     ICOM_THIS_FROM(IDirectDrawSurfaceImpl, IDirectDrawGammaControl, iface);
 137     TRACE("(%p)->(%08x,%p)\n", This,Flags,GammaRamp);
 138
 139     /* This looks sane */
 140     if(!GammaRamp)
 141     {
 142         ERR("(%p) GammaRamp is NULL, returning DDERR_INVALIDPARAMS\n", This);
 143         return DDERR_INVALIDPARAMS;
 144     }
 145
 146     if(This->surface_desc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
 147     {
 148         /* Note: DDGAMMARAMP is compatible with WINED3DGAMMARAMP */
 149         IWineD3DDevice_GetGammaRamp(This->ddraw->wineD3DDevice,
 150                                     0 /* Swapchain */,
 151                                     (WINED3DGAMMARAMP *) GammaRamp);
 152     }
 153     else
 154     {
 155         ERR("(%p) Unimplemented for non-primary surfaces\n", This);
 156     }
 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     if(This->surface_desc.ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
 191     {
 192
 193         /* Note: DDGAMMARAMP is compatible with WINED3DGAMMARAMP */
 194         IWineD3DDevice_SetGammaRamp(This->ddraw->wineD3DDevice,
 195                                     0 /* Swapchain */,
 196                                     Flags,
 197                                     (WINED3DGAMMARAMP *) GammaRamp);
 198     }
 199     else
 200     {
 201         ERR("(%p) Unimplemented for non-primary surfaces\n", This);
 202     }
 203
 204     return DD_OK;
 205 }
 206
 207 const IDirectDrawGammaControlVtbl IDirectDrawGammaControl_Vtbl =
 208 {
 209     IDirectDrawGammaControlImpl_QueryInterface,
 210     IDirectDrawGammaControlImpl_AddRef,
 211     IDirectDrawGammaControlImpl_Release,
 212     IDirectDrawGammaControlImpl_GetGammaRamp,
 213     IDirectDrawGammaControlImpl_SetGammaRamp
 214 };