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comparison test/testgl.c @ 492:c59692dcdce0

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*** empty log message ***
author Sam Lantinga <slouken@libsdl.org>
date Mon, 16 Sep 2002 06:17:34 +0000
parents ca0b4ba5313e
children 9c42ee1b7d77
comparison
equal deleted inserted replaced
491:da6a7e859616 492:c59692dcdce0
16 #define LOGO_FILE "icon.bmp" 16 #define LOGO_FILE "icon.bmp"
17 17
18 /* The SDL_OPENGLBLIT interface is deprecated. 18 /* The SDL_OPENGLBLIT interface is deprecated.
19 The code is still available for benchmark purposes though. 19 The code is still available for benchmark purposes though.
20 */ 20 */
21
21 static SDL_bool USE_DEPRECATED_OPENGLBLIT = SDL_FALSE; 22 static SDL_bool USE_DEPRECATED_OPENGLBLIT = SDL_FALSE;
23
24 static SDL_Surface *global_image = NULL;
25 static GLuint global_texture = 0;
22 26
23 /**********************************************************************/ 27 /**********************************************************************/
24 28
25 void HotKey_ToggleFullScreen(void) 29 void HotKey_ToggleFullScreen(void)
26 { 30 {
231 SDL_FreeSurface(image); /* No longer needed */ 235 SDL_FreeSurface(image); /* No longer needed */
232 236
233 return texture; 237 return texture;
234 } 238 }
235 239
240
236 void DrawLogoTexture(void) 241 void DrawLogoTexture(void)
237 { 242 {
238 static GLuint texture;
239 static GLfloat texMinX, texMinY; 243 static GLfloat texMinX, texMinY;
240 static GLfloat texMaxX, texMaxY; 244 static GLfloat texMaxX, texMaxY;
241 static int x = 0; 245 static int x = 0;
242 static int y = 0; 246 static int y = 0;
243 static int w, h; 247 static int w, h;
245 static int delta_y = 1; 249 static int delta_y = 1;
246 static Uint32 last_moved = 0; 250 static Uint32 last_moved = 0;
247 251
248 SDL_Surface *screen = SDL_GetVideoSurface(); 252 SDL_Surface *screen = SDL_GetVideoSurface();
249 253
250 if ( ! texture ) { 254 if ( ! global_texture ) {
251 SDL_Surface *image; 255 SDL_Surface *image;
252 GLfloat texcoord[4]; 256 GLfloat texcoord[4];
253 257
254 /* Load the image (could use SDL_image library here) */ 258 /* Load the image (could use SDL_image library here) */
255 image = SDL_LoadBMP(LOGO_FILE); 259 image = SDL_LoadBMP(LOGO_FILE);
258 } 262 }
259 w = image->w; 263 w = image->w;
260 h = image->h; 264 h = image->h;
261 265
262 /* Convert the image into an OpenGL texture */ 266 /* Convert the image into an OpenGL texture */
263 texture = SDL_GL_LoadTexture(image, texcoord); 267 global_texture = SDL_GL_LoadTexture(image, texcoord);
264 268
265 /* Make texture coordinates easy to understand */ 269 /* Make texture coordinates easy to understand */
266 texMinX = texcoord[0]; 270 texMinX = texcoord[0];
267 texMinY = texcoord[1]; 271 texMinY = texcoord[1];
268 texMaxX = texcoord[2]; 272 texMaxX = texcoord[2];
270 274
271 /* We don't need the original image anymore */ 275 /* We don't need the original image anymore */
272 SDL_FreeSurface(image); 276 SDL_FreeSurface(image);
273 277
274 /* Make sure that the texture conversion is okay */ 278 /* Make sure that the texture conversion is okay */
275 if ( ! texture ) { 279 if ( ! global_texture ) {
276 return; 280 return;
277 } 281 }
278 } 282 }
279 283
280 /* Move the image around */ 284 /* Move the image around */
297 delta_y = -delta_y; 301 delta_y = -delta_y;
298 } 302 }
299 303
300 /* Show the image on the screen */ 304 /* Show the image on the screen */
301 SDL_GL_Enter2DMode(); 305 SDL_GL_Enter2DMode();
302 glBindTexture(GL_TEXTURE_2D, texture); 306 glBindTexture(GL_TEXTURE_2D, global_texture);
303 glBegin(GL_TRIANGLE_STRIP); 307 glBegin(GL_TRIANGLE_STRIP);
304 glTexCoord2f(texMinX, texMinY); glVertex2i(x, y ); 308 glTexCoord2f(texMinX, texMinY); glVertex2i(x, y );
305 glTexCoord2f(texMaxX, texMinY); glVertex2i(x+w, y ); 309 glTexCoord2f(texMaxX, texMinY); glVertex2i(x+w, y );
306 glTexCoord2f(texMinX, texMaxY); glVertex2i(x, y+h); 310 glTexCoord2f(texMinX, texMaxY); glVertex2i(x, y+h);
307 glTexCoord2f(texMaxX, texMaxY); glVertex2i(x+w, y+h); 311 glTexCoord2f(texMaxX, texMaxY); glVertex2i(x+w, y+h);
310 } 314 }
311 315
312 /* This code is deprecated, but available for speed comparisons */ 316 /* This code is deprecated, but available for speed comparisons */
313 void DrawLogoBlit(void) 317 void DrawLogoBlit(void)
314 { 318 {
315 static SDL_Surface *image = NULL;
316 static GLuint texture;
317 static GLfloat texMinX, texMinY;
318 static GLfloat texMaxX, texMaxY;
319 static int x = 0; 319 static int x = 0;
320 static int y = 0; 320 static int y = 0;
321 static int w, h; 321 static int w, h;
322 static int delta_x = 1; 322 static int delta_x = 1;
323 static int delta_y = 1; 323 static int delta_y = 1;
324 static Uint32 last_moved = 0; 324 static Uint32 last_moved = 0;
325 325
326 SDL_Rect dst; 326 SDL_Rect dst;
327 SDL_Surface *screen = SDL_GetVideoSurface(); 327 SDL_Surface *screen = SDL_GetVideoSurface();
328 328
329 if ( image == NULL ) { 329 if ( global_image == NULL ) {
330 SDL_Surface *temp; 330 SDL_Surface *temp;
331 331
332 /* Load the image (could use SDL_image library here) */ 332 /* Load the image (could use SDL_image library here) */
333 temp = SDL_LoadBMP(LOGO_FILE); 333 temp = SDL_LoadBMP(LOGO_FILE);
334 if ( temp == NULL ) { 334 if ( temp == NULL ) {
336 } 336 }
337 w = temp->w; 337 w = temp->w;
338 h = temp->h; 338 h = temp->h;
339 339
340 /* Convert the image into the screen format */ 340 /* Convert the image into the screen format */
341 image = SDL_CreateRGBSurface( 341 global_image = SDL_CreateRGBSurface(
342 SDL_SWSURFACE, 342 SDL_SWSURFACE,
343 w, h, 343 w, h,
344 screen->format->BitsPerPixel, 344 screen->format->BitsPerPixel,
345 screen->format->Rmask, 345 screen->format->Rmask,
346 screen->format->Gmask, 346 screen->format->Gmask,
347 screen->format->Bmask, 347 screen->format->Bmask,
348 screen->format->Amask); 348 screen->format->Amask);
349 if ( image ) { 349 if ( global_image ) {
350 SDL_BlitSurface(temp, NULL, image, NULL); 350 SDL_BlitSurface(temp, NULL, global_image, NULL);
351 } 351 }
352 SDL_FreeSurface(temp); 352 SDL_FreeSurface(temp);
353 353
354 /* Make sure that the texture conversion is okay */ 354 /* Make sure that the texture conversion is okay */
355 if ( ! image ) { 355 if ( ! global_image ) {
356 return; 356 return;
357 } 357 }
358 } 358 }
359 359
360 /* Move the image around 360 /* Move the image around
384 } 384 }
385 dst.x = x; 385 dst.x = x;
386 dst.y = y; 386 dst.y = y;
387 dst.w = w; 387 dst.w = w;
388 dst.h = h; 388 dst.h = h;
389 SDL_BlitSurface(image, NULL, screen, &dst); 389 SDL_BlitSurface(global_image, NULL, screen, &dst);
390 390
391 /* Show the image on the screen */ 391 /* Show the image on the screen */
392 SDL_UpdateRects(screen, 1, &dst); 392 SDL_UpdateRects(screen, 1, &dst);
393 } 393 }
394 394
676 if ( this_time != start_time ) { 676 if ( this_time != start_time ) {
677 printf("%2.2f FPS\n", 677 printf("%2.2f FPS\n",
678 ((float)frames/(this_time-start_time))*1000.0); 678 ((float)frames/(this_time-start_time))*1000.0);
679 } 679 }
680 680
681 if ( global_image ) {
682 SDL_FreeSurface(global_image);
683 global_image = NULL;
684 }
685 if ( global_texture ) {
686 glDeleteTextures( 1, &global_texture );
687 global_texture = 0;
688 }
689
681 /* Destroy our GL context, etc. */ 690 /* Destroy our GL context, etc. */
682 SDL_Quit( ); 691 SDL_Quit( );
683 return(0); 692 return(0);
684 } 693 }
685 694
688 int i, logo; 697 int i, logo;
689 int numtests; 698 int numtests;
690 int bpp = 0; 699 int bpp = 0;
691 int slowly; 700 int slowly;
692 float gamma = 0.0; 701 float gamma = 0.0;
693 int noframe = 0; 702 int noframe = 0;
694 703
695 logo = 0; 704 logo = 0;
696 slowly = 0; 705 slowly = 0;
697 numtests = 1; 706 numtests = 1;
698 for ( i=1; argv[i]; ++i ) { 707 for ( i=1; argv[i]; ++i ) {
725 argv[0]); 734 argv[0]);
726 exit(0); 735 exit(0);
727 } 736 }
728 } 737 }
729 for ( i=0; i<numtests; ++i ) { 738 for ( i=0; i<numtests; ++i ) {
730 RunGLTest(argc, argv, logo, slowly, bpp, gamma, noframe); 739 RunGLTest(argc, argv, logo, slowly, bpp, gamma, noframe);
731 } 740 }
732 return 0; 741 return 0;
733 } 742 }
734 743
735 #else /* HAVE_OPENGL */ 744 #else /* HAVE_OPENGL */