d3dx9: Implement ID3DXRenderToSurface::GetDevice.
[wine/multimedia.git] / dlls / d3dx9_36 / util.c
blobcf974cf8aff48894ef7534770eda49a5b4031e41
1 /*
2 * Copyright (C) 2009 Tony Wasserka
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.
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.
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
20 #include "wine/debug.h"
21 #include "d3dx9_36_private.h"
23 WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
25 static void la_from_rgba(const struct vec4 *rgba, struct vec4 *la)
27 la->x = rgba->x * 0.2125f + rgba->y * 0.7154f + rgba->z * 0.0721f;
28 la->w = rgba->w;
31 static void la_to_rgba(const struct vec4 *la, struct vec4 *rgba)
33 rgba->x = la->x;
34 rgba->y = la->x;
35 rgba->z = la->x;
36 rgba->w = la->w;
39 /************************************************************
40 * pixel format table providing info about number of bytes per pixel,
41 * number of bits per channel and format type.
43 * Call get_format_info to request information about a specific format.
45 static const PixelFormatDesc formats[] =
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_A4L4, {4, 4, 0, 0}, { 4, 0, 0, 0}, 1, 1, 1, 1, FORMAT_ARGB, la_from_rgba, la_to_rgba},
66 {D3DFMT_L8, {0, 8, 0, 0}, { 0, 0, 0, 0}, 1, 1, 1, 1, FORMAT_ARGB, la_from_rgba, la_to_rgba},
67 {D3DFMT_L16, {0, 16, 0, 0}, { 0, 0, 0, 0}, 2, 1, 1, 2, FORMAT_ARGB, la_from_rgba, la_to_rgba},
68 {D3DFMT_DXT1, {0, 0, 0, 0}, { 0, 0, 0, 0}, 1, 4, 4, 8, FORMAT_ARGB, NULL, NULL },
69 {D3DFMT_DXT2, {0, 0, 0, 0}, { 0, 0, 0, 0}, 1, 4, 4, 16, FORMAT_ARGB, NULL, NULL },
70 {D3DFMT_DXT3, {0, 0, 0, 0}, { 0, 0, 0, 0}, 1, 4, 4, 16, FORMAT_ARGB, NULL, NULL },
71 {D3DFMT_DXT4, {0, 0, 0, 0}, { 0, 0, 0, 0}, 1, 4, 4, 16, FORMAT_ARGB, NULL, NULL },
72 {D3DFMT_DXT5, {0, 0, 0, 0}, { 0, 0, 0, 0}, 1, 4, 4, 16, FORMAT_ARGB, NULL, NULL },
73 /* marks last element */
74 {D3DFMT_UNKNOWN, {0, 0, 0, 0}, { 0, 0, 0, 0}, 0, 1, 1, 0, FORMAT_UNKNOWN, NULL, NULL },
78 /************************************************************
79 * map_view_of_file
81 * Loads a file into buffer and stores the number of read bytes in length.
83 * PARAMS
84 * filename [I] name of the file to be loaded
85 * buffer [O] pointer to destination buffer
86 * length [O] size of the obtained data
88 * RETURNS
89 * Success: D3D_OK
90 * Failure:
91 * see error codes for CreateFileW, GetFileSize, CreateFileMapping and MapViewOfFile
93 * NOTES
94 * The caller must UnmapViewOfFile when it doesn't need the data anymore
97 HRESULT map_view_of_file(LPCWSTR filename, LPVOID *buffer, DWORD *length)
99 HANDLE hfile, hmapping = NULL;
101 hfile = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
102 if(hfile == INVALID_HANDLE_VALUE) goto error;
104 *length = GetFileSize(hfile, NULL);
105 if(*length == INVALID_FILE_SIZE) goto error;
107 hmapping = CreateFileMappingW(hfile, NULL, PAGE_READONLY, 0, 0, NULL);
108 if(!hmapping) goto error;
110 *buffer = MapViewOfFile(hmapping, FILE_MAP_READ, 0, 0, 0);
111 if(*buffer == NULL) goto error;
113 CloseHandle(hmapping);
114 CloseHandle(hfile);
116 return S_OK;
118 error:
119 CloseHandle(hmapping);
120 CloseHandle(hfile);
121 return HRESULT_FROM_WIN32(GetLastError());
124 /************************************************************
125 * load_resource_into_memory
127 * Loads a resource into buffer and stores the number of
128 * read bytes in length.
130 * PARAMS
131 * module [I] handle to the module
132 * resinfo [I] handle to the resource's information block
133 * buffer [O] pointer to destination buffer
134 * length [O] size of the obtained data
136 * RETURNS
137 * Success: D3D_OK
138 * Failure:
139 * See error codes for SizeofResource, LoadResource and LockResource
141 * NOTES
142 * The memory doesn't need to be freed by the caller manually
145 HRESULT load_resource_into_memory(HMODULE module, HRSRC resinfo, LPVOID *buffer, DWORD *length)
147 HGLOBAL resource;
149 *length = SizeofResource(module, resinfo);
150 if(*length == 0) return HRESULT_FROM_WIN32(GetLastError());
152 resource = LoadResource(module, resinfo);
153 if( !resource ) return HRESULT_FROM_WIN32(GetLastError());
155 *buffer = LockResource(resource);
156 if(*buffer == NULL) return HRESULT_FROM_WIN32(GetLastError());
158 return S_OK;
161 HRESULT write_buffer_to_file(const WCHAR *dst_filename, ID3DXBuffer *buffer)
163 HRESULT hr = S_OK;
164 void *buffer_pointer;
165 DWORD buffer_size;
166 HANDLE file = CreateFileW(dst_filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
167 if (file == INVALID_HANDLE_VALUE)
168 return HRESULT_FROM_WIN32(GetLastError());
170 buffer_pointer = ID3DXBuffer_GetBufferPointer(buffer);
171 buffer_size = ID3DXBuffer_GetBufferSize(buffer);
173 if (!WriteFile(file, buffer_pointer, buffer_size, NULL, NULL))
174 hr = HRESULT_FROM_WIN32(GetLastError());
176 CloseHandle(file);
177 return hr;
181 /************************************************************
182 * get_format_info
184 * Returns information about the specified format.
185 * If the format is unsupported, it's filled with the D3DFMT_UNKNOWN desc.
187 * PARAMS
188 * format [I] format whose description is queried
189 * desc [O] pointer to a StaticPixelFormatDesc structure
192 const PixelFormatDesc *get_format_info(D3DFORMAT format)
194 unsigned int i = 0;
195 while(formats[i].format != format && formats[i].format != D3DFMT_UNKNOWN) i++;
196 if (formats[i].format == D3DFMT_UNKNOWN)
197 FIXME("Unknown format %#x (as FOURCC %s).\n", format, debugstr_an((const char *)&format, 4));
198 return &formats[i];
201 const PixelFormatDesc *get_format_info_idx(int idx)
203 if(idx >= sizeof(formats) / sizeof(formats[0]))
204 return NULL;
205 if(formats[idx].format == D3DFMT_UNKNOWN)
206 return NULL;
207 return &formats[idx];
210 #define WINE_D3DX_TO_STR(x) case x: return #x
212 const char *debug_d3dxparameter_class(D3DXPARAMETER_CLASS c)
214 switch (c)
216 WINE_D3DX_TO_STR(D3DXPC_SCALAR);
217 WINE_D3DX_TO_STR(D3DXPC_VECTOR);
218 WINE_D3DX_TO_STR(D3DXPC_MATRIX_ROWS);
219 WINE_D3DX_TO_STR(D3DXPC_MATRIX_COLUMNS);
220 WINE_D3DX_TO_STR(D3DXPC_OBJECT);
221 WINE_D3DX_TO_STR(D3DXPC_STRUCT);
222 default:
223 FIXME("Unrecognized D3DXPARAMETER_CLASS %#x.\n", c);
224 return "unrecognized";
228 const char *debug_d3dxparameter_type(D3DXPARAMETER_TYPE t)
230 switch (t)
232 WINE_D3DX_TO_STR(D3DXPT_VOID);
233 WINE_D3DX_TO_STR(D3DXPT_BOOL);
234 WINE_D3DX_TO_STR(D3DXPT_INT);
235 WINE_D3DX_TO_STR(D3DXPT_FLOAT);
236 WINE_D3DX_TO_STR(D3DXPT_STRING);
237 WINE_D3DX_TO_STR(D3DXPT_TEXTURE);
238 WINE_D3DX_TO_STR(D3DXPT_TEXTURE1D);
239 WINE_D3DX_TO_STR(D3DXPT_TEXTURE2D);
240 WINE_D3DX_TO_STR(D3DXPT_TEXTURE3D);
241 WINE_D3DX_TO_STR(D3DXPT_TEXTURECUBE);
242 WINE_D3DX_TO_STR(D3DXPT_SAMPLER);
243 WINE_D3DX_TO_STR(D3DXPT_SAMPLER1D);
244 WINE_D3DX_TO_STR(D3DXPT_SAMPLER2D);
245 WINE_D3DX_TO_STR(D3DXPT_SAMPLER3D);
246 WINE_D3DX_TO_STR(D3DXPT_SAMPLERCUBE);
247 WINE_D3DX_TO_STR(D3DXPT_PIXELSHADER);
248 WINE_D3DX_TO_STR(D3DXPT_VERTEXSHADER);
249 WINE_D3DX_TO_STR(D3DXPT_PIXELFRAGMENT);
250 WINE_D3DX_TO_STR(D3DXPT_VERTEXFRAGMENT);
251 WINE_D3DX_TO_STR(D3DXPT_UNSUPPORTED);
252 default:
253 FIXME("Unrecognized D3DXPARAMETER_TYP %#x.\n", t);
254 return "unrecognized";
258 #undef WINE_D3DX_TO_STR