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comparison src/video/x11/SDL_x11render.c @ 4605:0b3a509c53a0

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Respect environment variables.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Mon, 19 Jul 2010 21:02:49 +0530
parents d7535d7a40ea
children 4e145485971b
comparison
equal deleted inserted replaced
4604:d7535d7a40ea 4605:0b3a509c53a0
174 rect.h = texture->h; 174 rect.h = texture->h;
175 SDL_SW_CopyYUVToRGB(data->yuv, &rect, data->format, texture->w, 175 SDL_SW_CopyYUVToRGB(data->yuv, &rect, data->format, texture->w,
176 texture->h, data->pixels, data->pitch); 176 texture->h, data->pixels, data->pitch);
177 } 177 }
178 178
179 #ifdef SDL_VIDEO_DRIVER_X11_XRENDER
180 static SDL_bool
181 CheckXRender(Display *display, int *major, int *minor) {
182 const char *env;
183
184 *major = *minor = 0;
185
186 env = SDL_getenv("SDL_VIDEO_X11_XRENDER");
187
188 if (env && !SDL_atoi(env)) {
189 return SDL_FALSE;
190 }
191
192 if (!SDL_X11_HAVE_XRENDER) {
193 return SDL_FALSE;
194 }
195
196 if (!XRenderQueryVersion(display, major, minor)) {
197 return SDL_FALSE;
198 }
199
200 return SDL_TRUE;
201 }
202 #endif
203
204 #ifdef SDL_VIDEO_DRIVER_X11_XFIXES
205 static SDL_bool
206 CheckXFixes(Display *display, int *major, int *minor) {
207 const char *env;
208
209 *major = *minor = 0;
210
211 env = SDL_getenv("SDL_VIDEO_X11_XFIXES");
212
213 if (env && !SDL_atoi(env)) {
214 return SDL_FALSE;
215 }
216
217 if (!SDL_X11_HAVE_XFIXES) {
218 return SDL_FALSE;
219 }
220
221 if (!XFixesQueryVersion(display, major, minor)) {
222 return SDL_FALSE;
223 }
224
225 return SDL_TRUE;
226 }
227 #endif
228
229 #ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
230 static SDL_bool
231 CheckXDamage(Display *display, int *major, int *minor) {
232 const char *env;
233
234 *major = *minor = 0;
235
236 env = SDL_getenv("SDL_VIDEO_X11_XDAMAGE");
237
238 if (env && !SDL_atoi(env)) {
239 return SDL_FALSE;
240 }
241
242 if (!SDL_X11_HAVE_XDAMAGE) {
243 return SDL_FALSE;
244 }
245
246 if (!XDamageQueryVersion(display, major, minor)) {
247 return SDL_FALSE;
248 }
249
250 return SDL_TRUE;
251 }
252 #endif
253
179 void 254 void
180 X11_AddRenderDriver(_THIS) 255 X11_AddRenderDriver(_THIS)
181 { 256 {
182 SDL_RendererInfo *info = &X11_RenderDriver.info; 257 SDL_RendererInfo *info = &X11_RenderDriver.info;
183 SDL_DisplayMode *mode = &SDL_CurrentDisplay->desktop_mode; 258 SDL_DisplayMode *mode = &SDL_CurrentDisplay->desktop_mode;
259 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
184 int i; 260 int i;
185 261
186 info->texture_formats[info->num_texture_formats++] = mode->format; 262 info->texture_formats[info->num_texture_formats++] = mode->format;
187 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YV12; 263 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YV12;
188 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_IYUV; 264 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_IYUV;
189 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YUY2; 265 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YUY2;
190 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_UYVY; 266 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_UYVY;
191 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YVYU; 267 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_YVYU;
192 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_ARGB8888; 268
269 #ifdef SDL_VIDEO_DRIVER_X11_XRENDER
270 int major, minor;
271 if (CheckXRender(data->display, &major, &minor)) {
272 info->texture_formats[info->num_texture_formats++] = SDL_PIXELFORMAT_ARGB8888;
273 }
274 #endif
193 275
194 for (i = 0; i < _this->num_displays; ++i) { 276 for (i = 0; i < _this->num_displays; ++i) {
195 SDL_AddRenderDriver(&_this->displays[i], &X11_RenderDriver); 277 SDL_AddRenderDriver(&_this->displays[i], &X11_RenderDriver);
196 } 278 }
197 } 279 }
253 renderer->driverdata = data; 335 renderer->driverdata = data;
254 336
255 renderer->info.flags = SDL_RENDERER_ACCELERATED; 337 renderer->info.flags = SDL_RENDERER_ACCELERATED;
256 338
257 #ifdef SDL_VIDEO_DRIVER_X11_XRENDER 339 #ifdef SDL_VIDEO_DRIVER_X11_XRENDER
258 data->use_xrender = SDL_FALSE; 340 int major, minor;
259 data->use_xdamage = SDL_FALSE; 341 data->use_xrender = CheckXRender(data->display, &major, &minor);
260 int event_basep, error_basep;
261 if (SDL_X11_HAVE_XRENDER) {
262 /* Query the extension. This is the server runtime check. */
263 if(XRenderQueryExtension(data->display,
264 &event_basep, &error_basep) == True)
265 data->use_xrender = SDL_TRUE;
266 }
267 #ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE 342 #ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
343 if (CheckXDamage(data->display, &major, &minor)) {
344 if (CheckXFixes(data->display, &major, &minor)) {
345 if (major >= 2)
346 data->use_xdamage = SDL_TRUE;
347 }
348 }
349 #endif
268 if (data->use_xrender) { 350 if (data->use_xrender) {
269 if(SDL_X11_HAVE_XDAMAGE && SDL_X11_HAVE_XFIXES) {
270 /* Query XDamage and XFixes */
271 if(XDamageQueryExtension(data->display,
272 &event_basep,
273 &error_basep) == True &&
274 (XFixesQueryExtension(data->display,
275 &event_basep,
276 &error_basep) == True)) {
277 int major_version, minor_version;
278 XFixesQueryVersion(data->display,
279 &major_version,
280 &minor_version);
281 /* Only XFixes v 2 or greater
282 * Required for XFixesSetPictureClipRegion() */
283 if(major_version >= 2)
284 data->use_xdamage = SDL_TRUE;
285 }
286 }
287 #endif
288 /* Find the PictFormat from the visual. 351 /* Find the PictFormat from the visual.
289 * Should be an RGB PictFormat most of the time. */ 352 * Should be an RGB PictFormat most of the time. */
290 data->xwindow_pict_fmt = XRenderFindVisualFormat(data->display, 353 data->xwindow_pict_fmt = XRenderFindVisualFormat(data->display,
291 data->visual); 354 data->visual);
292 if (!data->xwindow_pict_fmt) { 355 if (!data->xwindow_pict_fmt) {