dlls/ddraw/dpalette/hal.c

   1 /*      DirectDrawPalette HAL driver
   2  *
   3  * Copyright 2001 TransGaming Technologies Inc.
   4  */
   5
   6 #include "config.h"
   7 #include "winerror.h"
   8 #include "debugtools.h"
   9
  10 #include <assert.h>
  11 #include <string.h>
  12
  13 #include "ddraw_private.h"
  14 #include "dpalette/main.h"
  15 #include "dpalette/hal.h"
  16 #include "ddraw/main.h"
  17
  18 DEFAULT_DEBUG_CHANNEL(ddraw);
  19
  20 static ICOM_VTABLE(IDirectDrawPalette) DDRAW_HAL_Palette_VTable;
  21
  22 /******************************************************************************
  23  *                      IDirectDrawPalette
  24  */
  25 HRESULT HAL_DirectDrawPalette_Construct(IDirectDrawPaletteImpl* This,
  26                                         IDirectDrawImpl* pDD, DWORD dwFlags)
  27 {
  28     LPDDRAWI_DIRECTDRAW_GBL dd_gbl = pDD->local.lpGbl;
  29     DDHAL_CREATEPALETTEDATA data;
  30     HRESULT hr;
  31
  32     hr = Main_DirectDrawPalette_Construct(This, pDD, dwFlags);
  33     if (FAILED(hr)) return hr;
  34
  35     This->final_release = HAL_DirectDrawPalette_final_release;
  36     ICOM_INIT_INTERFACE(This, IDirectDrawPalette, DDRAW_HAL_Palette_VTable);
  37
  38     /* initialize HAL palette */
  39     data.lpDD = dd_gbl;
  40     data.lpDDPalette = &This->global;
  41     data.lpColorTable = NULL;
  42     data.ddRVal = 0;
  43     data.CreatePalette = dd_gbl->lpDDCBtmp->HALDD.CreatePalette;
  44     if (data.CreatePalette)
  45         data.CreatePalette(&data);
  46
  47     return DD_OK;
  48 }
  49
  50 HRESULT
  51 HAL_DirectDrawPalette_Create(IDirectDrawImpl* pDD, DWORD dwFlags,
  52                              LPDIRECTDRAWPALETTE* ppPalette,
  53                              LPUNKNOWN pUnkOuter)
  54 {
  55     IDirectDrawPaletteImpl* This;
  56     HRESULT hr;
  57
  58     if (pUnkOuter != NULL)
  59         return CLASS_E_NOAGGREGATION; /* unchecked */
  60
  61     This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*This));
  62     if (This == NULL) return E_OUTOFMEMORY;
  63
  64     hr = HAL_DirectDrawPalette_Construct(This, pDD, dwFlags);
  65     if (FAILED(hr))
  66         HeapFree(GetProcessHeap(), 0, This);
  67     else
  68         *ppPalette = ICOM_INTERFACE(This, IDirectDrawPalette);
  69
  70     return hr;
  71 }
  72
  73 HRESULT WINAPI
  74 HAL_DirectDrawPalette_SetEntries(LPDIRECTDRAWPALETTE iface, DWORD dwFlags,
  75                                  DWORD dwStart, DWORD dwCount,
  76                                  LPPALETTEENTRY palent)
  77 {
  78     ICOM_THIS(IDirectDrawPaletteImpl,iface);
  79     LPDDRAWI_DIRECTDRAW_GBL dd_gbl = This->local.lpDD_lcl->lpGbl;
  80     DDHAL_SETENTRIESDATA data;
  81
  82     TRACE("(%p)->SetEntries(%08lx,%ld,%ld,%p)\n",This,dwFlags,dwStart,dwCount,
  83           palent);
  84
  85     data.lpDD = dd_gbl;
  86     data.lpDDPalette = &This->global;
  87     data.dwBase = dwStart;
  88     data.dwNumEntries = dwCount;
  89     data.lpEntries = palent;
  90     data.ddRVal = 0;
  91     data.SetEntries = dd_gbl->lpDDCBtmp->HALDDPalette.SetEntries;
  92     if (data.SetEntries)
  93         data.SetEntries(&data);
  94
  95     return Main_DirectDrawPalette_SetEntries(iface, dwFlags, dwStart, dwCount, palent);
  96 }
  97
  98 void HAL_DirectDrawPalette_final_release(IDirectDrawPaletteImpl* This)
  99 {
 100     LPDDRAWI_DIRECTDRAW_GBL dd_gbl = This->local.lpDD_lcl->lpGbl;
 101     DDHAL_DESTROYPALETTEDATA data;
 102
 103     /* destroy HAL palette */
 104     data.lpDD = dd_gbl;
 105     data.lpDDPalette = &This->global;
 106     data.ddRVal = 0;
 107     data.DestroyPalette = dd_gbl->lpDDCBtmp->HALDDPalette.DestroyPalette;
 108     if (data.DestroyPalette)
 109         data.DestroyPalette(&data);
 110
 111     Main_DirectDrawPalette_final_release(This);
 112 }
 113
 114 static ICOM_VTABLE(IDirectDrawPalette) DDRAW_HAL_Palette_VTable =
 115 {
 116     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 117     Main_DirectDrawPalette_QueryInterface,
 118     Main_DirectDrawPalette_AddRef,
 119     Main_DirectDrawPalette_Release,
 120     Main_DirectDrawPalette_GetCaps,
 121     Main_DirectDrawPalette_GetEntries,
 122     Main_DirectDrawPalette_Initialize,
 123     HAL_DirectDrawPalette_SetEntries
 124 };