d3dx9: Also print the format as FOURCC in get_format_info().
[wine/multimedia.git] / dlls / d3dx9_36 / util.c
blob62ff99627bc2c489162c5bdf4a06a881208af792
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 type from_rgba to_rgba */
48 {D3DFMT_R8G8B8, {0, 8, 8, 8}, { 0, 16, 8, 0}, 3, FORMAT_ARGB, NULL, NULL },
49 {D3DFMT_A8R8G8B8, {8, 8, 8, 8}, {24, 16, 8, 0}, 4, FORMAT_ARGB, NULL, NULL },
50 {D3DFMT_X8R8G8B8, {0, 8, 8, 8}, { 0, 16, 8, 0}, 4, FORMAT_ARGB, NULL, NULL },
51 {D3DFMT_A8B8G8R8, {8, 8, 8, 8}, {24, 0, 8, 16}, 4, FORMAT_ARGB, NULL, NULL },
52 {D3DFMT_X8B8G8R8, {0, 8, 8, 8}, { 0, 0, 8, 16}, 4, FORMAT_ARGB, NULL, NULL },
53 {D3DFMT_R5G6B5, {0, 5, 6, 5}, { 0, 11, 5, 0}, 2, FORMAT_ARGB, NULL, NULL },
54 {D3DFMT_X1R5G5B5, {0, 5, 5, 5}, { 0, 10, 5, 0}, 2, FORMAT_ARGB, NULL, NULL },
55 {D3DFMT_A1R5G5B5, {1, 5, 5, 5}, {15, 10, 5, 0}, 2, FORMAT_ARGB, NULL, NULL },
56 {D3DFMT_R3G3B2, {0, 3, 3, 2}, { 0, 5, 2, 0}, 1, FORMAT_ARGB, NULL, NULL },
57 {D3DFMT_A8R3G3B2, {8, 3, 3, 2}, { 8, 5, 2, 0}, 2, FORMAT_ARGB, NULL, NULL },
58 {D3DFMT_A4R4G4B4, {4, 4, 4, 4}, {12, 8, 4, 0}, 2, FORMAT_ARGB, NULL, NULL },
59 {D3DFMT_X4R4G4B4, {0, 4, 4, 4}, { 0, 8, 4, 0}, 2, FORMAT_ARGB, NULL, NULL },
60 {D3DFMT_A2R10G10B10, {2, 10, 10, 10}, {30, 20, 10, 0}, 4, FORMAT_ARGB, NULL, NULL },
61 {D3DFMT_A2B10G10R10, {2, 10, 10, 10}, {30, 0, 10, 20}, 4, FORMAT_ARGB, NULL, NULL },
62 {D3DFMT_G16R16, {0, 16, 16, 0}, { 0, 0, 16, 0}, 4, FORMAT_ARGB, NULL, NULL },
63 {D3DFMT_A8, {8, 0, 0, 0}, { 0, 0, 0, 0}, 1, FORMAT_ARGB, NULL, NULL },
64 {D3DFMT_A8L8, {8, 8, 0, 0}, { 8, 0, 0, 0}, 2, FORMAT_ARGB, la_from_rgba, la_to_rgba},
65 /* marks last element */
66 {D3DFMT_UNKNOWN, {0, 0, 0, 0}, { 0, 0, 0, 0}, 0, FORMAT_UNKNOWN, NULL, NULL },
70 /************************************************************
71 * map_view_of_file
73 * Loads a file into buffer and stores the number of read bytes in length.
75 * PARAMS
76 * filename [I] name of the file to be loaded
77 * buffer [O] pointer to destination buffer
78 * length [O] size of the obtained data
80 * RETURNS
81 * Success: D3D_OK
82 * Failure:
83 * see error codes for CreateFileW, GetFileSize, CreateFileMapping and MapViewOfFile
85 * NOTES
86 * The caller must UnmapViewOfFile when it doesn't need the data anymore
89 HRESULT map_view_of_file(LPCWSTR filename, LPVOID *buffer, DWORD *length)
91 HANDLE hfile, hmapping = NULL;
93 hfile = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
94 if(hfile == INVALID_HANDLE_VALUE) goto error;
96 *length = GetFileSize(hfile, NULL);
97 if(*length == INVALID_FILE_SIZE) goto error;
99 hmapping = CreateFileMappingW(hfile, NULL, PAGE_READONLY, 0, 0, NULL);
100 if(!hmapping) goto error;
102 *buffer = MapViewOfFile(hmapping, FILE_MAP_READ, 0, 0, 0);
103 if(*buffer == NULL) goto error;
105 CloseHandle(hmapping);
106 CloseHandle(hfile);
108 return S_OK;
110 error:
111 CloseHandle(hmapping);
112 CloseHandle(hfile);
113 return HRESULT_FROM_WIN32(GetLastError());
116 /************************************************************
117 * load_resource_into_memory
119 * Loads a resource into buffer and stores the number of
120 * read bytes in length.
122 * PARAMS
123 * module [I] handle to the module
124 * resinfo [I] handle to the resource's information block
125 * buffer [O] pointer to destination buffer
126 * length [O] size of the obtained data
128 * RETURNS
129 * Success: D3D_OK
130 * Failure:
131 * See error codes for SizeofResource, LoadResource and LockResource
133 * NOTES
134 * The memory doesn't need to be freed by the caller manually
137 HRESULT load_resource_into_memory(HMODULE module, HRSRC resinfo, LPVOID *buffer, DWORD *length)
139 HGLOBAL resource;
141 *length = SizeofResource(module, resinfo);
142 if(*length == 0) return HRESULT_FROM_WIN32(GetLastError());
144 resource = LoadResource(module, resinfo);
145 if( !resource ) return HRESULT_FROM_WIN32(GetLastError());
147 *buffer = LockResource(resource);
148 if(*buffer == NULL) return HRESULT_FROM_WIN32(GetLastError());
150 return S_OK;
154 /************************************************************
155 * get_format_info
157 * Returns information about the specified format.
158 * If the format is unsupported, it's filled with the D3DFMT_UNKNOWN desc.
160 * PARAMS
161 * format [I] format whose description is queried
162 * desc [O] pointer to a StaticPixelFormatDesc structure
165 const PixelFormatDesc *get_format_info(D3DFORMAT format)
167 unsigned int i = 0;
168 while(formats[i].format != format && formats[i].format != D3DFMT_UNKNOWN) i++;
169 if (formats[i].format == D3DFMT_UNKNOWN)
170 FIXME("Unknown format %#x (as FOURCC %s).\n", format, debugstr_an((const char *)&format, 4));
171 return &formats[i];
174 const PixelFormatDesc *get_format_info_idx(int idx)
176 if(idx >= sizeof(formats) / sizeof(formats[0]))
177 return NULL;
178 if(formats[idx].format == D3DFMT_UNKNOWN)
179 return NULL;
180 return &formats[idx];
183 #define WINE_D3DX_TO_STR(x) case x: return #x
185 const char *debug_d3dxparameter_class(D3DXPARAMETER_CLASS c)
187 switch (c)
189 WINE_D3DX_TO_STR(D3DXPC_SCALAR);
190 WINE_D3DX_TO_STR(D3DXPC_VECTOR);
191 WINE_D3DX_TO_STR(D3DXPC_MATRIX_ROWS);
192 WINE_D3DX_TO_STR(D3DXPC_MATRIX_COLUMNS);
193 WINE_D3DX_TO_STR(D3DXPC_OBJECT);
194 WINE_D3DX_TO_STR(D3DXPC_STRUCT);
195 default:
196 FIXME("Unrecognized D3DXPARAMETER_CLASS %#x.\n", c);
197 return "unrecognized";
201 const char *debug_d3dxparameter_type(D3DXPARAMETER_TYPE t)
203 switch (t)
205 WINE_D3DX_TO_STR(D3DXPT_VOID);
206 WINE_D3DX_TO_STR(D3DXPT_BOOL);
207 WINE_D3DX_TO_STR(D3DXPT_INT);
208 WINE_D3DX_TO_STR(D3DXPT_FLOAT);
209 WINE_D3DX_TO_STR(D3DXPT_STRING);
210 WINE_D3DX_TO_STR(D3DXPT_TEXTURE);
211 WINE_D3DX_TO_STR(D3DXPT_TEXTURE1D);
212 WINE_D3DX_TO_STR(D3DXPT_TEXTURE2D);
213 WINE_D3DX_TO_STR(D3DXPT_TEXTURE3D);
214 WINE_D3DX_TO_STR(D3DXPT_TEXTURECUBE);
215 WINE_D3DX_TO_STR(D3DXPT_SAMPLER);
216 WINE_D3DX_TO_STR(D3DXPT_SAMPLER1D);
217 WINE_D3DX_TO_STR(D3DXPT_SAMPLER2D);
218 WINE_D3DX_TO_STR(D3DXPT_SAMPLER3D);
219 WINE_D3DX_TO_STR(D3DXPT_SAMPLERCUBE);
220 WINE_D3DX_TO_STR(D3DXPT_PIXELSHADER);
221 WINE_D3DX_TO_STR(D3DXPT_VERTEXSHADER);
222 WINE_D3DX_TO_STR(D3DXPT_PIXELFRAGMENT);
223 WINE_D3DX_TO_STR(D3DXPT_VERTEXFRAGMENT);
224 WINE_D3DX_TO_STR(D3DXPT_UNSUPPORTED);
225 default:
226 FIXME("Unrecognized D3DXPARAMETER_TYP %#x.\n", t);
227 return "unrecognized";
231 #undef WINE_D3DX_TO_STR