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comparison src/video/dummy/SDL_nullvideo.c @ 1666:6e7ec5cb83c3 SDL-1.3

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The dummy video driver compiles. :)
author Sam Lantinga <slouken@libsdl.org>
date Sun, 28 May 2006 21:56:07 +0000
parents 782fd950bd46
children 1fddae038bc8
comparison
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1665:28193f833b2b 1666:6e7ec5cb83c3
49 #define DUMMYVID_DRIVER_NAME "dummy" 49 #define DUMMYVID_DRIVER_NAME "dummy"
50 50
51 /* Initialization/Query functions */ 51 /* Initialization/Query functions */
52 static int DUMMY_VideoInit (_THIS); 52 static int DUMMY_VideoInit (_THIS);
53 static int DUMMY_SetDisplayMode (_THIS, const SDL_DisplayMode * mode); 53 static int DUMMY_SetDisplayMode (_THIS, const SDL_DisplayMode * mode);
54 static SDL_Surface *DUMMY_CreateWindowSurface (_THIS, SDL_Window * window); 54 static void DUMMY_CreateWindowSurface (_THIS, SDL_Window * window,
55 Uint32 flags);
55 static void DUMMY_VideoQuit (_THIS); 56 static void DUMMY_VideoQuit (_THIS);
56 57
57 /* DUMMY driver bootstrap functions */ 58 /* DUMMY driver bootstrap functions */
58 59
59 static int 60 static int
96 SDL_memset (device->hidden, 0, (sizeof *device->hidden)); 97 SDL_memset (device->hidden, 0, (sizeof *device->hidden));
97 98
98 /* Set the function pointers */ 99 /* Set the function pointers */
99 device->VideoInit = DUMMY_VideoInit; 100 device->VideoInit = DUMMY_VideoInit;
100 device->SetDisplayMode = DUMMY_SetDisplayMode; 101 device->SetDisplayMode = DUMMY_SetDisplayMode;
102 device->CreateWindowSurface = DUMMY_CreateWindowSurface;
101 device->VideoQuit = DUMMY_VideoQuit; 103 device->VideoQuit = DUMMY_VideoQuit;
102 device->InitOSKeymap = DUMMY_InitOSKeymap; 104 device->InitOSKeymap = DUMMY_InitOSKeymap;
103 device->PumpEvents = DUMMY_PumpEvents; 105 device->PumpEvents = DUMMY_PumpEvents;
104 106
105 device->free = DUMMY_DeleteDevice; 107 device->free = DUMMY_DeleteDevice;
126 DUMMY_SetDisplayMode (_THIS, const SDL_DisplayMode * mode) 128 DUMMY_SetDisplayMode (_THIS, const SDL_DisplayMode * mode)
127 { 129 {
128 return 0; 130 return 0;
129 } 131 }
130 132
131 static SDL_Surface * 133 static void
132 DUMMY_CreateWindowSurface (_THIS, SDL_Window * window) 134 DUMMY_CreateWindowSurface (_THIS, SDL_Window * window, Uint32 flags)
133 { 135 {
134 int bpp; 136 int bpp;
135 Uint32 Rmask, Gmask, Bmask, Amask; 137 Uint32 Rmask, Gmask, Bmask, Amask;
136 138
137 if (_this->hidden->buffer) { 139 SDL_PixelFormatEnumToMasks (SDL_GetCurrentDisplayMode ()->format, &bpp,
138 SDL_free (_this->hidden->buffer); 140 &Rmask, &Gmask, &Bmask, &Amask);
139 } 141 window->surface =
140 142 SDL_CreateRGBSurface (flags, window->w, window->h, bpp, Rmask, Gmask,
141 _this->hidden->buffer = 143 Bmask, Amask);
142 SDL_malloc (mode->w * mode->h * SDL_BYTESPERPIXEL (mode->format));
143 if (!_this->hidden->buffer) {
144 SDL_SetError ("Couldn't allocate buffer for requested mode");
145 return (NULL);
146 }
147
148 /* printf("Setting mode %dx%d\n", width, height); */
149
150 SDL_memset (_this->hidden->buffer, 0,
151 mode->w * mode->h * SDL_BYTESPERPIXEL (mode->format));
152
153 /* Allocate the new pixel format for the screen */
154 SDL_PixelFormatEnumToMasks (mode->format, &bpp, &Rmask, &Gmask, &Bmask,
155 &Amask);
156 if (!SDL_ReallocFormat (current, bpp, Rmask, Gmask, Bmask, Amask)) {
157 SDL_free (_this->hidden->buffer);
158 _this->hidden->buffer = NULL;
159 SDL_SetError
160 ("Couldn't allocate new pixel format for requested mode");
161 return (NULL);
162 }
163
164 /* Set up the new mode framebuffer */
165 current->flags = flags & SDL_FULLSCREEN;
166 _this->hidden->w = current->w = mode->w;
167 _this->hidden->h = current->h = mode->h;
168 current->pitch = current->w * SDL_BYTESPERPIXEL (mode->format);
169 current->pixels = _this->hidden->buffer;
170
171 /* We're done */
172 return (current);
173 }
174
175 SDL_Surface *
176 DUMMY_SetVideoMode (_THIS, SDL_Surface * current,
177 const SDL_DisplayMode * mode, Uint32 flags)
178 {
179 int bpp;
180 Uint32 Rmask, Gmask, Bmask, Amask;
181
182 if (_this->hidden->buffer) {
183 SDL_free (_this->hidden->buffer);
184 }
185
186 _this->hidden->buffer =
187 SDL_malloc (mode->w * mode->h * SDL_BYTESPERPIXEL (mode->format));
188 if (!_this->hidden->buffer) {
189 SDL_SetError ("Couldn't allocate buffer for requested mode");
190 return (NULL);
191 }
192
193 /* printf("Setting mode %dx%d\n", width, height); */
194
195 SDL_memset (_this->hidden->buffer, 0,
196 mode->w * mode->h * SDL_BYTESPERPIXEL (mode->format));
197
198 /* Allocate the new pixel format for the screen */
199 SDL_PixelFormatEnumToMasks (mode->format, &bpp, &Rmask, &Gmask, &Bmask,
200 &Amask);
201 if (!SDL_ReallocFormat (current, bpp, Rmask, Gmask, Bmask, Amask)) {
202 SDL_free (_this->hidden->buffer);
203 _this->hidden->buffer = NULL;
204 SDL_SetError
205 ("Couldn't allocate new pixel format for requested mode");
206 return (NULL);
207 }
208
209 /* Set up the new mode framebuffer */
210 current->flags = flags & SDL_FULLSCREEN;
211 _this->hidden->w = current->w = mode->w;
212 _this->hidden->h = current->h = mode->h;
213 current->pitch = current->w * SDL_BYTESPERPIXEL (mode->format);
214 current->pixels = _this->hidden->buffer;
215
216 /* We're done */
217 return (current);
218 } 144 }
219 145
220 /* Note: If we are terminated, this could be called in the middle of 146 /* Note: If we are terminated, this could be called in the middle of
221 another SDL video routine -- notably UpdateRects. 147 another SDL video routine -- notably UpdateRects.
222 */ 148 */
223 void 149 void
224 DUMMY_VideoQuit (_THIS) 150 DUMMY_VideoQuit (_THIS)
225 { 151 {
226 if (_this->hidden->buffer) {
227 SDL_free (_this->hidden->buffer);
228 }
229 } 152 }
230 153
231 /* vi: set ts=4 sw=4 expandtab: */ 154 /* vi: set ts=4 sw=4 expandtab: */