dlls/d3dx9_36/util.c

   1 /*
   2  * Copyright (C) 2009 Tony Wasserka
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  *
  18  */
  19
  20 #include "wine/debug.h"
  21 #include "d3dx9_36_private.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
  24
  25 static void la_from_rgba(const struct vec4 *rgba, struct vec4 *la)
  26 {
  27     la->x = rgba->x * 0.2125f + rgba->y * 0.7154f + rgba->z * 0.0721f;
  28     la->w = rgba->w;
  29 }
  30
  31 static void la_to_rgba(const struct vec4 *la, struct vec4 *rgba)
  32 {
  33     rgba->x = la->x;
  34     rgba->y = la->x;
  35     rgba->z = la->x;
  36     rgba->w = la->w;
  37 }
  38
  39 /************************************************************
  40  * pixel format table providing info about number of bytes per pixel,
  41  * number of bits per channel and format type.
  42  *
  43  * Call get_format_info to request information about a specific format.
  44  */
  45 static const PixelFormatDesc formats[] =
  46 {
  47     /* format            bpc              shifts            bpp blocks   type            from_rgba     to_rgba */
  48     {D3DFMT_R8G8B8,      {0,  8,  8,  8}, { 0, 16,  8,  0}, 3, 1, 1,  3, FORMAT_ARGB,    NULL,         NULL      },
  49     {D3DFMT_A8R8G8B8,    {8,  8,  8,  8}, {24, 16,  8,  0}, 4, 1, 1,  4, FORMAT_ARGB,    NULL,         NULL      },
  50     {D3DFMT_X8R8G8B8,    {0,  8,  8,  8}, { 0, 16,  8,  0}, 4, 1, 1,  4, FORMAT_ARGB,    NULL,         NULL      },
  51     {D3DFMT_A8B8G8R8,    {8,  8,  8,  8}, {24,  0,  8, 16}, 4, 1, 1,  4, FORMAT_ARGB,    NULL,         NULL      },
  52     {D3DFMT_X8B8G8R8,    {0,  8,  8,  8}, { 0,  0,  8, 16}, 4, 1, 1,  4, FORMAT_ARGB,    NULL,         NULL      },
  53     {D3DFMT_R5G6B5,      {0,  5,  6,  5}, { 0, 11,  5,  0}, 2, 1, 1,  2, FORMAT_ARGB,    NULL,         NULL      },
  54     {D3DFMT_X1R5G5B5,    {0,  5,  5,  5}, { 0, 10,  5,  0}, 2, 1, 1,  2, FORMAT_ARGB,    NULL,         NULL      },
  55     {D3DFMT_A1R5G5B5,    {1,  5,  5,  5}, {15, 10,  5,  0}, 2, 1, 1,  2, FORMAT_ARGB,    NULL,         NULL      },
  56     {D3DFMT_R3G3B2,      {0,  3,  3,  2}, { 0,  5,  2,  0}, 1, 1, 1,  1, FORMAT_ARGB,    NULL,         NULL      },
  57     {D3DFMT_A8R3G3B2,    {8,  3,  3,  2}, { 8,  5,  2,  0}, 2, 1, 1,  2, FORMAT_ARGB,    NULL,         NULL      },
  58     {D3DFMT_A4R4G4B4,    {4,  4,  4,  4}, {12,  8,  4,  0}, 2, 1, 1,  2, FORMAT_ARGB,    NULL,         NULL      },
  59     {D3DFMT_X4R4G4B4,    {0,  4,  4,  4}, { 0,  8,  4,  0}, 2, 1, 1,  2, FORMAT_ARGB,    NULL,         NULL      },
  60     {D3DFMT_A2R10G10B10, {2, 10, 10, 10}, {30, 20, 10,  0}, 4, 1, 1,  4, FORMAT_ARGB,    NULL,         NULL      },
  61     {D3DFMT_A2B10G10R10, {2, 10, 10, 10}, {30,  0, 10, 20}, 4, 1, 1,  4, FORMAT_ARGB,    NULL,         NULL      },
  62     {D3DFMT_G16R16,      {0, 16, 16,  0}, { 0,  0, 16,  0}, 4, 1, 1,  4, FORMAT_ARGB,    NULL,         NULL      },
  63     {D3DFMT_A8,          {8,  0,  0,  0}, { 0,  0,  0,  0}, 1, 1, 1,  1, FORMAT_ARGB,    NULL,         NULL      },
  64     {D3DFMT_A8L8,        {8,  8,  0,  0}, { 8,  0,  0,  0}, 2, 1, 1,  2, FORMAT_ARGB,    la_from_rgba, la_to_rgba},
  65     {D3DFMT_DXT1,        {0,  0,  0,  0}, { 0,  0,  0,  0}, 1, 4, 4,  8, FORMAT_ARGB,    NULL,         NULL      },
  66     {D3DFMT_DXT2,        {0,  0,  0,  0}, { 0,  0,  0,  0}, 1, 4, 4, 16, FORMAT_ARGB,    NULL,         NULL      },
  67     {D3DFMT_DXT3,        {0,  0,  0,  0}, { 0,  0,  0,  0}, 1, 4, 4, 16, FORMAT_ARGB,    NULL,         NULL      },
  68     {D3DFMT_DXT4,        {0,  0,  0,  0}, { 0,  0,  0,  0}, 1, 4, 4, 16, FORMAT_ARGB,    NULL,         NULL      },
  69     {D3DFMT_DXT5,        {0,  0,  0,  0}, { 0,  0,  0,  0}, 1, 4, 4, 16, FORMAT_ARGB,    NULL,         NULL      },
  70     /* marks last element */
  71     {D3DFMT_UNKNOWN,     {0,  0,  0,  0}, { 0,  0,  0,  0}, 0, 1, 1,  0, FORMAT_UNKNOWN, NULL,         NULL      },
  72 };
  73
  74
  75 /************************************************************
  76  * map_view_of_file
  77  *
  78  * Loads a file into buffer and stores the number of read bytes in length.
  79  *
  80  * PARAMS
  81  *   filename [I] name of the file to be loaded
  82  *   buffer   [O] pointer to destination buffer
  83  *   length   [O] size of the obtained data
  84  *
  85  * RETURNS
  86  *   Success: D3D_OK
  87  *   Failure:
  88  *     see error codes for CreateFileW, GetFileSize, CreateFileMapping and MapViewOfFile
  89  *
  90  * NOTES
  91  *   The caller must UnmapViewOfFile when it doesn't need the data anymore
  92  *
  93  */
  94 HRESULT map_view_of_file(LPCWSTR filename, LPVOID *buffer, DWORD *length)
  95 {
  96     HANDLE hfile, hmapping = NULL;
  97
  98     hfile = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
  99     if(hfile == INVALID_HANDLE_VALUE) goto error;
 100
 101     *length = GetFileSize(hfile, NULL);
 102     if(*length == INVALID_FILE_SIZE) goto error;
 103
 104     hmapping = CreateFileMappingW(hfile, NULL, PAGE_READONLY, 0, 0, NULL);
 105     if(!hmapping) goto error;
 106
 107     *buffer = MapViewOfFile(hmapping, FILE_MAP_READ, 0, 0, 0);
 108     if(*buffer == NULL) goto error;
 109
 110     CloseHandle(hmapping);
 111     CloseHandle(hfile);
 112
 113     return S_OK;
 114
 115 error:
 116     CloseHandle(hmapping);
 117     CloseHandle(hfile);
 118     return HRESULT_FROM_WIN32(GetLastError());
 119 }
 120
 121 /************************************************************
 122  * load_resource_into_memory
 123  *
 124  * Loads a resource into buffer and stores the number of
 125  * read bytes in length.
 126  *
 127  * PARAMS
 128  *   module  [I] handle to the module
 129  *   resinfo [I] handle to the resource's information block
 130  *   buffer  [O] pointer to destination buffer
 131  *   length  [O] size of the obtained data
 132  *
 133  * RETURNS
 134  *   Success: D3D_OK
 135  *   Failure:
 136  *     See error codes for SizeofResource, LoadResource and LockResource
 137  *
 138  * NOTES
 139  *   The memory doesn't need to be freed by the caller manually
 140  *
 141  */
 142 HRESULT load_resource_into_memory(HMODULE module, HRSRC resinfo, LPVOID *buffer, DWORD *length)
 143 {
 144     HGLOBAL resource;
 145
 146     *length = SizeofResource(module, resinfo);
 147     if(*length == 0) return HRESULT_FROM_WIN32(GetLastError());
 148
 149     resource = LoadResource(module, resinfo);
 150     if( !resource ) return HRESULT_FROM_WIN32(GetLastError());
 151
 152     *buffer = LockResource(resource);
 153     if(*buffer == NULL) return HRESULT_FROM_WIN32(GetLastError());
 154
 155     return S_OK;
 156 }
 157
 158
 159 /************************************************************
 160  * get_format_info
 161  *
 162  * Returns information about the specified format.
 163  * If the format is unsupported, it's filled with the D3DFMT_UNKNOWN desc.
 164  *
 165  * PARAMS
 166  *   format [I] format whose description is queried
 167  *   desc   [O] pointer to a StaticPixelFormatDesc structure
 168  *
 169  */
 170 const PixelFormatDesc *get_format_info(D3DFORMAT format)
 171 {
 172     unsigned int i = 0;
 173     while(formats[i].format != format && formats[i].format != D3DFMT_UNKNOWN) i++;
 174     if (formats[i].format == D3DFMT_UNKNOWN)
 175         FIXME("Unknown format %#x (as FOURCC %s).\n", format, debugstr_an((const char *)&format, 4));
 176     return &formats[i];
 177 }
 178
 179 const PixelFormatDesc *get_format_info_idx(int idx)
 180 {
 181     if(idx >= sizeof(formats) / sizeof(formats[0]))
 182         return NULL;
 183     if(formats[idx].format == D3DFMT_UNKNOWN)
 184         return NULL;
 185     return &formats[idx];
 186 }
 187
 188 #define WINE_D3DX_TO_STR(x) case x: return #x
 189
 190 const char *debug_d3dxparameter_class(D3DXPARAMETER_CLASS c)
 191 {
 192     switch (c)
 193     {
 194         WINE_D3DX_TO_STR(D3DXPC_SCALAR);
 195         WINE_D3DX_TO_STR(D3DXPC_VECTOR);
 196         WINE_D3DX_TO_STR(D3DXPC_MATRIX_ROWS);
 197         WINE_D3DX_TO_STR(D3DXPC_MATRIX_COLUMNS);
 198         WINE_D3DX_TO_STR(D3DXPC_OBJECT);
 199         WINE_D3DX_TO_STR(D3DXPC_STRUCT);
 200         default:
 201             FIXME("Unrecognized D3DXPARAMETER_CLASS %#x.\n", c);
 202             return "unrecognized";
 203     }
 204 }
 205
 206 const char *debug_d3dxparameter_type(D3DXPARAMETER_TYPE t)
 207 {
 208     switch (t)
 209     {
 210         WINE_D3DX_TO_STR(D3DXPT_VOID);
 211         WINE_D3DX_TO_STR(D3DXPT_BOOL);
 212         WINE_D3DX_TO_STR(D3DXPT_INT);
 213         WINE_D3DX_TO_STR(D3DXPT_FLOAT);
 214         WINE_D3DX_TO_STR(D3DXPT_STRING);
 215         WINE_D3DX_TO_STR(D3DXPT_TEXTURE);
 216         WINE_D3DX_TO_STR(D3DXPT_TEXTURE1D);
 217         WINE_D3DX_TO_STR(D3DXPT_TEXTURE2D);
 218         WINE_D3DX_TO_STR(D3DXPT_TEXTURE3D);
 219         WINE_D3DX_TO_STR(D3DXPT_TEXTURECUBE);
 220         WINE_D3DX_TO_STR(D3DXPT_SAMPLER);
 221         WINE_D3DX_TO_STR(D3DXPT_SAMPLER1D);
 222         WINE_D3DX_TO_STR(D3DXPT_SAMPLER2D);
 223         WINE_D3DX_TO_STR(D3DXPT_SAMPLER3D);
 224         WINE_D3DX_TO_STR(D3DXPT_SAMPLERCUBE);
 225         WINE_D3DX_TO_STR(D3DXPT_PIXELSHADER);
 226         WINE_D3DX_TO_STR(D3DXPT_VERTEXSHADER);
 227         WINE_D3DX_TO_STR(D3DXPT_PIXELFRAGMENT);
 228         WINE_D3DX_TO_STR(D3DXPT_VERTEXFRAGMENT);
 229         WINE_D3DX_TO_STR(D3DXPT_UNSUPPORTED);
 230         default:
 231            FIXME("Unrecognized D3DXPARAMETER_TYP %#x.\n", t);
 232             return "unrecognized";
 233     }
 234 }
 235
 236 #undef WINE_D3DX_TO_STR