783122a09a5df03822f7292e97198d35b68eb153
[reactos.git] / reactos / dll / directx / wine / 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 "d3dx9_36_private.h"
21
22 static void la_from_rgba(const struct vec4 *rgba, struct vec4 *la)
23 {
24 la->x = rgba->x * 0.2125f + rgba->y * 0.7154f + rgba->z * 0.0721f;
25 la->w = rgba->w;
26 }
27
28 static void la_to_rgba(const struct vec4 *la, struct vec4 *rgba, const PALETTEENTRY *palette)
29 {
30 rgba->x = la->x;
31 rgba->y = la->x;
32 rgba->z = la->x;
33 rgba->w = la->w;
34 }
35
36 static void index_to_rgba(const struct vec4 *index, struct vec4 *rgba, const PALETTEENTRY *palette)
37 {
38 ULONG idx = (ULONG)(index->x * 255.0f + 0.5f);
39
40 rgba->x = palette[idx].peRed / 255.0f;
41 rgba->y = palette[idx].peGreen / 255.0f;
42 rgba->z = palette[idx].peBlue / 255.0f;
43 rgba->w = palette[idx].peFlags / 255.0f; /* peFlags is the alpha component in DX8 and higher */
44 }
45
46 /************************************************************
47 * pixel format table providing info about number of bytes per pixel,
48 * number of bits per channel and format type.
49 *
50 * Call get_format_info to request information about a specific format.
51 */
52 static const struct pixel_format_desc formats[] =
53 {
54 /* format bpc shifts bpp blocks type from_rgba to_rgba */
55 {D3DFMT_R8G8B8, { 0, 8, 8, 8}, { 0, 16, 8, 0}, 3, 1, 1, 3, FORMAT_ARGB, NULL, NULL },
56 {D3DFMT_A8R8G8B8, { 8, 8, 8, 8}, {24, 16, 8, 0}, 4, 1, 1, 4, FORMAT_ARGB, NULL, NULL },
57 {D3DFMT_X8R8G8B8, { 0, 8, 8, 8}, { 0, 16, 8, 0}, 4, 1, 1, 4, FORMAT_ARGB, NULL, NULL },
58 {D3DFMT_A8B8G8R8, { 8, 8, 8, 8}, {24, 0, 8, 16}, 4, 1, 1, 4, FORMAT_ARGB, NULL, NULL },
59 {D3DFMT_X8B8G8R8, { 0, 8, 8, 8}, { 0, 0, 8, 16}, 4, 1, 1, 4, FORMAT_ARGB, NULL, NULL },
60 {D3DFMT_R5G6B5, { 0, 5, 6, 5}, { 0, 11, 5, 0}, 2, 1, 1, 2, FORMAT_ARGB, NULL, NULL },
61 {D3DFMT_X1R5G5B5, { 0, 5, 5, 5}, { 0, 10, 5, 0}, 2, 1, 1, 2, FORMAT_ARGB, NULL, NULL },
62 {D3DFMT_A1R5G5B5, { 1, 5, 5, 5}, {15, 10, 5, 0}, 2, 1, 1, 2, FORMAT_ARGB, NULL, NULL },
63 {D3DFMT_R3G3B2, { 0, 3, 3, 2}, { 0, 5, 2, 0}, 1, 1, 1, 1, FORMAT_ARGB, NULL, NULL },
64 {D3DFMT_A8R3G3B2, { 8, 3, 3, 2}, { 8, 5, 2, 0}, 2, 1, 1, 2, FORMAT_ARGB, NULL, NULL },
65 {D3DFMT_A4R4G4B4, { 4, 4, 4, 4}, {12, 8, 4, 0}, 2, 1, 1, 2, FORMAT_ARGB, NULL, NULL },
66 {D3DFMT_X4R4G4B4, { 0, 4, 4, 4}, { 0, 8, 4, 0}, 2, 1, 1, 2, FORMAT_ARGB, NULL, NULL },
67 {D3DFMT_A2R10G10B10, { 2, 10, 10, 10}, {30, 20, 10, 0}, 4, 1, 1, 4, FORMAT_ARGB, NULL, NULL },
68 {D3DFMT_A2B10G10R10, { 2, 10, 10, 10}, {30, 0, 10, 20}, 4, 1, 1, 4, FORMAT_ARGB, NULL, NULL },
69 {D3DFMT_A16B16G16R16, {16, 16, 16, 16}, {48, 0, 16, 32}, 8, 1, 1, 8, FORMAT_ARGB, NULL, NULL },
70 {D3DFMT_G16R16, { 0, 16, 16, 0}, { 0, 0, 16, 0}, 4, 1, 1, 4, FORMAT_ARGB, NULL, NULL },
71 {D3DFMT_A8, { 8, 0, 0, 0}, { 0, 0, 0, 0}, 1, 1, 1, 1, FORMAT_ARGB, NULL, NULL },
72 {D3DFMT_A8L8, { 8, 8, 0, 0}, { 8, 0, 0, 0}, 2, 1, 1, 2, FORMAT_ARGB, la_from_rgba, la_to_rgba},
73 {D3DFMT_A4L4, { 4, 4, 0, 0}, { 4, 0, 0, 0}, 1, 1, 1, 1, FORMAT_ARGB, la_from_rgba, la_to_rgba},
74 {D3DFMT_L8, { 0, 8, 0, 0}, { 0, 0, 0, 0}, 1, 1, 1, 1, FORMAT_ARGB, la_from_rgba, la_to_rgba},
75 {D3DFMT_L16, { 0, 16, 0, 0}, { 0, 0, 0, 0}, 2, 1, 1, 2, FORMAT_ARGB, la_from_rgba, la_to_rgba},
76 {D3DFMT_DXT1, { 0, 0, 0, 0}, { 0, 0, 0, 0}, 1, 4, 4, 8, FORMAT_DXT, NULL, NULL },
77 {D3DFMT_DXT2, { 0, 0, 0, 0}, { 0, 0, 0, 0}, 1, 4, 4, 16, FORMAT_DXT, NULL, NULL },
78 {D3DFMT_DXT3, { 0, 0, 0, 0}, { 0, 0, 0, 0}, 1, 4, 4, 16, FORMAT_DXT, NULL, NULL },
79 {D3DFMT_DXT4, { 0, 0, 0, 0}, { 0, 0, 0, 0}, 1, 4, 4, 16, FORMAT_DXT, NULL, NULL },
80 {D3DFMT_DXT5, { 0, 0, 0, 0}, { 0, 0, 0, 0}, 1, 4, 4, 16, FORMAT_DXT, NULL, NULL },
81 {D3DFMT_A16B16G16R16F, {16, 16, 16, 16}, {48, 0, 16, 32}, 8, 1, 1, 8, FORMAT_ARGBF16, NULL, NULL },
82 {D3DFMT_A32B32G32R32F, {32, 32, 32, 32}, {96, 0, 32, 64}, 16, 1, 1, 16, FORMAT_ARGBF, NULL, NULL },
83 {D3DFMT_P8, { 8, 8, 8, 8}, { 0, 0, 0, 0}, 1, 1, 1, 1, FORMAT_INDEX, NULL, index_to_rgba},
84 /* marks last element */
85 {D3DFMT_UNKNOWN, { 0, 0, 0, 0}, { 0, 0, 0, 0}, 0, 1, 1, 0, FORMAT_UNKNOWN, NULL, NULL },
86 };
87
88
89 /************************************************************
90 * map_view_of_file
91 *
92 * Loads a file into buffer and stores the number of read bytes in length.
93 *
94 * PARAMS
95 * filename [I] name of the file to be loaded
96 * buffer [O] pointer to destination buffer
97 * length [O] size of the obtained data
98 *
99 * RETURNS
100 * Success: D3D_OK
101 * Failure:
102 * see error codes for CreateFileW, GetFileSize, CreateFileMapping and MapViewOfFile
103 *
104 * NOTES
105 * The caller must UnmapViewOfFile when it doesn't need the data anymore
106 *
107 */
108 HRESULT map_view_of_file(const WCHAR *filename, void **buffer, DWORD *length)
109 {
110 HANDLE hfile, hmapping = NULL;
111
112 hfile = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
113 if(hfile == INVALID_HANDLE_VALUE) goto error;
114
115 *length = GetFileSize(hfile, NULL);
116 if(*length == INVALID_FILE_SIZE) goto error;
117
118 hmapping = CreateFileMappingW(hfile, NULL, PAGE_READONLY, 0, 0, NULL);
119 if(!hmapping) goto error;
120
121 *buffer = MapViewOfFile(hmapping, FILE_MAP_READ, 0, 0, 0);
122 if(*buffer == NULL) goto error;
123
124 CloseHandle(hmapping);
125 CloseHandle(hfile);
126
127 return S_OK;
128
129 error:
130 CloseHandle(hmapping);
131 CloseHandle(hfile);
132 return HRESULT_FROM_WIN32(GetLastError());
133 }
134
135 /************************************************************
136 * load_resource_into_memory
137 *
138 * Loads a resource into buffer and stores the number of
139 * read bytes in length.
140 *
141 * PARAMS
142 * module [I] handle to the module
143 * resinfo [I] handle to the resource's information block
144 * buffer [O] pointer to destination buffer
145 * length [O] size of the obtained data
146 *
147 * RETURNS
148 * Success: D3D_OK
149 * Failure:
150 * See error codes for SizeofResource, LoadResource and LockResource
151 *
152 * NOTES
153 * The memory doesn't need to be freed by the caller manually
154 *
155 */
156 HRESULT load_resource_into_memory(HMODULE module, HRSRC resinfo, LPVOID *buffer, DWORD *length)
157 {
158 HGLOBAL resource;
159
160 *length = SizeofResource(module, resinfo);
161 if(*length == 0) return HRESULT_FROM_WIN32(GetLastError());
162
163 resource = LoadResource(module, resinfo);
164 if( !resource ) return HRESULT_FROM_WIN32(GetLastError());
165
166 *buffer = LockResource(resource);
167 if(*buffer == NULL) return HRESULT_FROM_WIN32(GetLastError());
168
169 return S_OK;
170 }
171
172 HRESULT write_buffer_to_file(const WCHAR *dst_filename, ID3DXBuffer *buffer)
173 {
174 HRESULT hr = S_OK;
175 void *buffer_pointer;
176 DWORD buffer_size;
177 HANDLE file = CreateFileW(dst_filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
178 if (file == INVALID_HANDLE_VALUE)
179 return HRESULT_FROM_WIN32(GetLastError());
180
181 buffer_pointer = ID3DXBuffer_GetBufferPointer(buffer);
182 buffer_size = ID3DXBuffer_GetBufferSize(buffer);
183
184 if (!WriteFile(file, buffer_pointer, buffer_size, NULL, NULL))
185 hr = HRESULT_FROM_WIN32(GetLastError());
186
187 CloseHandle(file);
188 return hr;
189 }
190
191
192 /************************************************************
193 * get_format_info
194 *
195 * Returns information about the specified format.
196 * If the format is unsupported, it's filled with the D3DFMT_UNKNOWN desc.
197 *
198 * PARAMS
199 * format [I] format whose description is queried
200 *
201 */
202 const struct pixel_format_desc *get_format_info(D3DFORMAT format)
203 {
204 unsigned int i = 0;
205 while(formats[i].format != format && formats[i].format != D3DFMT_UNKNOWN) i++;
206 if (formats[i].format == D3DFMT_UNKNOWN)
207 FIXME("Unknown format %#x (as FOURCC %s).\n", format, debugstr_an((const char *)&format, 4));
208 return &formats[i];
209 }
210
211 const struct pixel_format_desc *get_format_info_idx(int idx)
212 {
213 if(idx >= sizeof(formats) / sizeof(formats[0]))
214 return NULL;
215 if(formats[idx].format == D3DFMT_UNKNOWN)
216 return NULL;
217 return &formats[idx];
218 }
219
220 #define WINE_D3DX_TO_STR(x) case x: return #x
221
222 const char *debug_d3dxparameter_class(D3DXPARAMETER_CLASS c)
223 {
224 switch (c)
225 {
226 WINE_D3DX_TO_STR(D3DXPC_SCALAR);
227 WINE_D3DX_TO_STR(D3DXPC_VECTOR);
228 WINE_D3DX_TO_STR(D3DXPC_MATRIX_ROWS);
229 WINE_D3DX_TO_STR(D3DXPC_MATRIX_COLUMNS);
230 WINE_D3DX_TO_STR(D3DXPC_OBJECT);
231 WINE_D3DX_TO_STR(D3DXPC_STRUCT);
232 default:
233 FIXME("Unrecognized D3DXPARAMETER_CLASS %#x.\n", c);
234 return "unrecognized";
235 }
236 }
237
238 const char *debug_d3dxparameter_type(D3DXPARAMETER_TYPE t)
239 {
240 switch (t)
241 {
242 WINE_D3DX_TO_STR(D3DXPT_VOID);
243 WINE_D3DX_TO_STR(D3DXPT_BOOL);
244 WINE_D3DX_TO_STR(D3DXPT_INT);
245 WINE_D3DX_TO_STR(D3DXPT_FLOAT);
246 WINE_D3DX_TO_STR(D3DXPT_STRING);
247 WINE_D3DX_TO_STR(D3DXPT_TEXTURE);
248 WINE_D3DX_TO_STR(D3DXPT_TEXTURE1D);
249 WINE_D3DX_TO_STR(D3DXPT_TEXTURE2D);
250 WINE_D3DX_TO_STR(D3DXPT_TEXTURE3D);
251 WINE_D3DX_TO_STR(D3DXPT_TEXTURECUBE);
252 WINE_D3DX_TO_STR(D3DXPT_SAMPLER);
253 WINE_D3DX_TO_STR(D3DXPT_SAMPLER1D);
254 WINE_D3DX_TO_STR(D3DXPT_SAMPLER2D);
255 WINE_D3DX_TO_STR(D3DXPT_SAMPLER3D);
256 WINE_D3DX_TO_STR(D3DXPT_SAMPLERCUBE);
257 WINE_D3DX_TO_STR(D3DXPT_PIXELSHADER);
258 WINE_D3DX_TO_STR(D3DXPT_VERTEXSHADER);
259 WINE_D3DX_TO_STR(D3DXPT_PIXELFRAGMENT);
260 WINE_D3DX_TO_STR(D3DXPT_VERTEXFRAGMENT);
261 WINE_D3DX_TO_STR(D3DXPT_UNSUPPORTED);
262 default:
263 FIXME("Unrecognized D3DXPARAMETER_TYP %#x.\n", t);
264 return "unrecognized";
265 }
266 }
267
268 const char *debug_d3dxparameter_registerset(D3DXREGISTER_SET r)
269 {
270 switch (r)
271 {
272 WINE_D3DX_TO_STR(D3DXRS_BOOL);
273 WINE_D3DX_TO_STR(D3DXRS_INT4);
274 WINE_D3DX_TO_STR(D3DXRS_FLOAT4);
275 WINE_D3DX_TO_STR(D3DXRS_SAMPLER);
276 default:
277 FIXME("Unrecognized D3DXREGISTER_SET %#x.\n", r);
278 return "unrecognized";
279 }
280 }
281
282 #undef WINE_D3DX_TO_STR
283
284 /* parameter type conversion helpers */
285 static BOOL get_bool(D3DXPARAMETER_TYPE type, LPCVOID data)
286 {
287 switch (type)
288 {
289 case D3DXPT_FLOAT:
290 case D3DXPT_INT:
291 case D3DXPT_BOOL:
292 return *(DWORD *)data != 0;
293
294 case D3DXPT_VOID:
295 return *(BOOL *)data;
296
297 default:
298 FIXME("Unhandled type %s.\n", debug_d3dxparameter_type(type));
299 return FALSE;
300 }
301 }
302
303 static INT get_int(D3DXPARAMETER_TYPE type, LPCVOID data)
304 {
305 switch (type)
306 {
307 case D3DXPT_FLOAT:
308 return *(FLOAT *)data;
309
310 case D3DXPT_INT:
311 case D3DXPT_VOID:
312 return *(INT *)data;
313
314 case D3DXPT_BOOL:
315 return get_bool(type, data);
316
317 default:
318 FIXME("Unhandled type %s.\n", debug_d3dxparameter_type(type));
319 return 0;
320 }
321 }
322
323 static FLOAT get_float(D3DXPARAMETER_TYPE type, LPCVOID data)
324 {
325 switch (type)
326 {
327 case D3DXPT_FLOAT:
328 case D3DXPT_VOID:
329 return *(FLOAT *)data;
330
331 case D3DXPT_INT:
332 return *(INT *)data;
333
334 case D3DXPT_BOOL:
335 return get_bool(type, data);
336
337 default:
338 FIXME("Unhandled type %s.\n", debug_d3dxparameter_type(type));
339 return 0.0f;
340 }
341 }
342
343 void set_number(LPVOID outdata, D3DXPARAMETER_TYPE outtype, LPCVOID indata, D3DXPARAMETER_TYPE intype)
344 {
345 TRACE("Changing from type %s to type %s\n", debug_d3dxparameter_type(intype), debug_d3dxparameter_type(outtype));
346
347 if (outtype == intype)
348 {
349 *(DWORD *)outdata = *(DWORD *)indata;
350 return;
351 }
352
353 switch (outtype)
354 {
355 case D3DXPT_FLOAT:
356 *(FLOAT *)outdata = get_float(intype, indata);
357 break;
358
359 case D3DXPT_BOOL:
360 *(BOOL *)outdata = get_bool(intype, indata);
361 break;
362
363 case D3DXPT_INT:
364 *(INT *)outdata = get_int(intype, indata);
365 break;
366
367 default:
368 FIXME("Unhandled type %s.\n", debug_d3dxparameter_type(outtype));
369 *(DWORD *)outdata = 0;
370 break;
371 }
372 }