1 /** 2 * Original code: automated SDL platform test written by Edgar Simo "bobbens" 3 * Extended and extensively updated by aschiffler at ferzkopp dot net 4 */ 5 6 #include <stdio.h> 7 8 #include "SDL.h" 9 #include "SDL_test.h" 10 11 /* ================= Test Case Implementation ================== */ 12 13 #define TESTRENDER_SCREEN_W 80 14 #define TESTRENDER_SCREEN_H 60 15 16 #define RENDER_COMPARE_FORMAT SDL_PIXELFORMAT_ARGB8888 17 #define RENDER_COMPARE_AMASK 0xff000000 /**< Alpha bit mask. */ 18 #define RENDER_COMPARE_RMASK 0x00ff0000 /**< Red bit mask. */ 19 #define RENDER_COMPARE_GMASK 0x0000ff00 /**< Green bit mask. */ 20 #define RENDER_COMPARE_BMASK 0x000000ff /**< Blue bit mask. */ 21 22 #define ALLOWABLE_ERROR_OPAQUE 0 23 #define ALLOWABLE_ERROR_BLENDED 64 24 25 /* Test window and renderer */ 26 SDL_Window *window = NULL; 27 SDL_Renderer *renderer = NULL; 28 29 /* Prototypes for helper functions */ 30 31 static int _clearScreen (void); 32 static void _compare(SDL_Surface *reference, int allowable_error); 33 static int _hasTexAlpha(void); 34 static int _hasTexColor(void); 35 static SDL_Texture *_loadTestFace(void); 36 static int _hasBlendModes(void); 37 static int _hasDrawColor(void); 38 static int _isSupported(int code); 39 40 /** 41 * Create software renderer for tests 42 */ 43 void InitCreateRenderer(void *arg) 44 { 45 int posX = 100, posY = 100, width = 320, height = 240; 46 renderer = NULL; 47 window = SDL_CreateWindow("render_testCreateRenderer", posX, posY, width, height, 0); 48 SDLTest_AssertPass("SDL_CreateWindow()"); 49 SDLTest_AssertCheck(window != NULL, "Check SDL_CreateWindow result"); 50 if (window == NULL) { 51 return; 52 } 53 54 renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED); 55 SDLTest_AssertPass("SDL_CreateRenderer()"); 56 SDLTest_AssertCheck(renderer != 0, "Check SDL_CreateRenderer result"); 57 if (renderer == NULL) { 58 SDL_DestroyWindow(window); 59 return; 60 } 61 } 62 63 /* 64 * Destroy renderer for tests 65 */ 66 void CleanupDestroyRenderer(void *arg) 67 { 68 if (renderer != NULL) { 69 SDL_DestroyRenderer(renderer); 70 renderer = NULL; 71 SDLTest_AssertPass("SDL_DestroyRenderer()"); 72 } 73 74 if (window != NULL) { 75 SDL_DestroyWindow(window); 76 window = NULL; 77 SDLTest_AssertPass("SDL_DestroyWindow"); 78 } 79 } 80 81 82 /** 83 * @brief Tests call to SDL_GetNumRenderDrivers 84 * 85 * \sa 86 * http://wiki.libsdl.org/moin.cgi/SDL_GetNumRenderDrivers 87 */ 88 int 89 render_testGetNumRenderDrivers(void *arg) 90 { 91 int n; 92 n = SDL_GetNumRenderDrivers(); 93 SDLTest_AssertCheck(n >= 1, "Number of renderers >= 1, reported as %i", n); 94 return TEST_COMPLETED; 95 } 96 97 98 /** 99 * @brief Tests the SDL primitives for rendering. 100 * 101 * \sa 102 * http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawColor 103 * http://wiki.libsdl.org/moin.cgi/SDL_RenderFillRect 104 * http://wiki.libsdl.org/moin.cgi/SDL_RenderDrawLine 105 * 106 */ 107 int render_testPrimitives (void *arg) 108 { 109 int ret; 110 int x, y; 111 SDL_Rect rect; 112 SDL_Surface *referenceSurface = NULL; 113 int checkFailCount1; 114 int checkFailCount2; 115 116 /* Need drawcolor or just skip test. */ 117 SDLTest_AssertCheck(_hasDrawColor(), "_hasDrawColor"); 118 119 /* Draw a rectangle. */ 120 rect.x = 40; 121 rect.y = 0; 122 rect.w = 40; 123 rect.h = 80; 124 125 ret = SDL_SetRenderDrawColor(renderer, 13, 73, 200, SDL_ALPHA_OPAQUE ); 126 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret); 127 128 ret = SDL_RenderFillRect(renderer, &rect ); 129 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret); 130 131 /* Draw a rectangle. */ 132 rect.x = 10; 133 rect.y = 10; 134 rect.w = 60; 135 rect.h = 40; 136 ret = SDL_SetRenderDrawColor(renderer, 200, 0, 100, SDL_ALPHA_OPAQUE ); 137 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret); 138 139 ret = SDL_RenderFillRect(renderer, &rect ); 140 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret); 141 142 /* Draw some points like so: 143 * X.X.X.X.. 144 * .X.X.X.X. 145 * X.X.X.X.. */ 146 checkFailCount1 = 0; 147 checkFailCount2 = 0; 148 for (y=0; y<3; y++) { 149 for (x = y % 2; x<TESTRENDER_SCREEN_W; x+=2) { 150 ret = SDL_SetRenderDrawColor(renderer, x*y, x*y/2, x*y/3, SDL_ALPHA_OPAQUE ); 151 if (ret != 0) checkFailCount1++; 152 153 ret = SDL_RenderDrawPoint(renderer, x, y ); 154 if (ret != 0) checkFailCount2++; 155 } 156 } 157 SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1); 158 SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderDrawPoint, expected: 0, got: %i", checkFailCount2); 159 160 /* Draw some lines. */ 161 ret = SDL_SetRenderDrawColor(renderer, 0, 255, 0, SDL_ALPHA_OPAQUE ); 162 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor"); 163 164 ret = SDL_RenderDrawLine(renderer, 0, 30, TESTRENDER_SCREEN_W, 30 ); 165 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret); 166 167 ret = SDL_SetRenderDrawColor(renderer, 55, 55, 5, SDL_ALPHA_OPAQUE ); 168 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret); 169 170 ret = SDL_RenderDrawLine(renderer, 40, 30, 40, 60 ); 171 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret); 172 173 ret = SDL_SetRenderDrawColor(renderer, 5, 105, 105, SDL_ALPHA_OPAQUE ); 174 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret); 175 176 ret = SDL_RenderDrawLine(renderer, 0, 0, 29, 29 ); 177 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret); 178 179 ret = SDL_RenderDrawLine(renderer, 29, 30, 0, 59 ); 180 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret); 181 182 ret = SDL_RenderDrawLine(renderer, 79, 0, 50, 29 ); 183 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret); 184 185 ret = SDL_RenderDrawLine(renderer, 79, 59, 50, 30 ); 186 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret); 187 188 /* See if it's the same. */ 189 referenceSurface = SDLTest_ImagePrimitives(); 190 _compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE ); 191 192 /* Clean up. */ 193 SDL_FreeSurface(referenceSurface); 194 referenceSurface = NULL; 195 196 return TEST_COMPLETED; 197 } 198 199 /** 200 * @brief Tests the SDL primitives with alpha for rendering. 201 * 202 * \sa 203 * http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawColor 204 * http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawBlendMode 205 * http://wiki.libsdl.org/moin.cgi/SDL_RenderFillRect 206 */ 207 int render_testPrimitivesBlend (void *arg) 208 { 209 int ret; 210 int i, j; 211 SDL_Rect rect; 212 SDL_Surface *referenceSurface = NULL; 213 int checkFailCount1; 214 int checkFailCount2; 215 int checkFailCount3; 216 217 /* Need drawcolor and blendmode or just skip test. */ 218 SDLTest_AssertCheck(_hasDrawColor(), "_hasDrawColor"); 219 SDLTest_AssertCheck(_hasBlendModes(), "_hasBlendModes"); 220 221 /* Create some rectangles for each blend mode. */ 222 ret = SDL_SetRenderDrawColor(renderer, 255, 255, 255, 0 ); 223 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret); 224 225 ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE ); 226 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret); 227 228 ret = SDL_RenderFillRect(renderer, NULL ); 229 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret); 230 231 rect.x = 10; 232 rect.y = 25; 233 rect.w = 40; 234 rect.h = 25; 235 ret = SDL_SetRenderDrawColor(renderer, 240, 10, 10, 75 ); 236 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret); 237 238 ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_ADD ); 239 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret); 240 241 ret = SDL_RenderFillRect(renderer, &rect ); 242 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret); 243 244 rect.x = 30; 245 rect.y = 40; 246 rect.w = 45; 247 rect.h = 15; 248 ret = SDL_SetRenderDrawColor(renderer, 10, 240, 10, 100 ); 249 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret); 250 251 ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND ); 252 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret); 253 254 ret = SDL_RenderFillRect(renderer, &rect ); 255 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret); 256 257 rect.x = 25; 258 rect.y = 25; 259 rect.w = 25; 260 rect.h = 25; 261 ret = SDL_SetRenderDrawColor(renderer, 10, 10, 240, 125 ); 262 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret); 263 264 ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE ); 265 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret); 266 267 ret = SDL_RenderFillRect(renderer, &rect ); 268 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret); 269 270 271 /* Draw blended lines, lines for everyone. */ 272 checkFailCount1 = 0; 273 checkFailCount2 = 0; 274 checkFailCount3 = 0; 275 for (i=0; i<TESTRENDER_SCREEN_W; i+=2) { 276 ret = SDL_SetRenderDrawColor(renderer, 60+2*i, 240-2*i, 50, 3*i ); 277 if (ret != 0) checkFailCount1++; 278 279 ret = SDL_SetRenderDrawBlendMode(renderer,(((i/2)%3)==0) ? SDL_BLENDMODE_BLEND : 280 (((i/2)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_NONE ); 281 if (ret != 0) checkFailCount2++; 282 283 ret = SDL_RenderDrawLine(renderer, 0, 0, i, 59 ); 284 if (ret != 0) checkFailCount3++; 285 } 286 SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1); 287 SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2); 288 SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderDrawLine, expected: 0, got: %i", checkFailCount3); 289 290 checkFailCount1 = 0; 291 checkFailCount2 = 0; 292 checkFailCount3 = 0; 293 for (i=0; i<TESTRENDER_SCREEN_H; i+=2) { 294 ret = SDL_SetRenderDrawColor(renderer, 60+2*i, 240-2*i, 50, 3*i ); 295 if (ret != 0) checkFailCount1++; 296 297 ret = SDL_SetRenderDrawBlendMode(renderer,(((i/2)%3)==0) ? SDL_BLENDMODE_BLEND : 298 (((i/2)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_NONE ); 299 if (ret != 0) checkFailCount2++; 300 301 ret = SDL_RenderDrawLine(renderer, 0, 0, 79, i ); 302 if (ret != 0) checkFailCount3++; 303 } 304 SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1); 305 SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2); 306 SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderDrawLine, expected: 0, got: %i", checkFailCount3); 307 308 /* Draw points. */ 309 checkFailCount1 = 0; 310 checkFailCount2 = 0; 311 checkFailCount3 = 0; 312 for (j=0; j<TESTRENDER_SCREEN_H; j+=3) { 313 for (i=0; i<TESTRENDER_SCREEN_W; i+=3) { 314 ret = SDL_SetRenderDrawColor(renderer, j*4, i*3, j*4, i*3 ); 315 if (ret != 0) checkFailCount1++; 316 317 ret = SDL_SetRenderDrawBlendMode(renderer, ((((i+j)/3)%3)==0) ? SDL_BLENDMODE_BLEND : 318 ((((i+j)/3)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_NONE ); 319 if (ret != 0) checkFailCount2++; 320 321 ret = SDL_RenderDrawPoint(renderer, i, j ); 322 if (ret != 0) checkFailCount3++; 323 } 324 } 325 SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1); 326 SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2); 327 SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderDrawPoint, expected: 0, got: %i", checkFailCount3); 328 329 /* See if it's the same. */ 330 referenceSurface = SDLTest_ImagePrimitivesBlend(); 331 _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED ); 332 333 /* Clean up. */ 334 SDL_FreeSurface(referenceSurface); 335 referenceSurface = NULL; 336 337 return TEST_COMPLETED; 338 } 339 340 341 342 /** 343 * @brief Tests some blitting routines. 344 * 345 * \sa 346 * http://wiki.libsdl.org/moin.cgi/SDL_RenderCopy 347 * http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture 348 */ 349 int 350 render_testBlit(void *arg) 351 { 352 int ret; 353 SDL_Rect rect; 354 SDL_Texture *tface; 355 SDL_Surface *referenceSurface = NULL; 356 Uint32 tformat; 357 int taccess, tw, th; 358 int i, j, ni, nj; 359 int checkFailCount1; 360 361 362 /* Need drawcolor or just skip test. */ 363 SDLTest_AssertCheck(_hasDrawColor(), "_hasDrawColor)"); 364 365 /* Create face surface. */ 366 tface = _loadTestFace(); 367 SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result"); 368 if (tface == NULL) { 369 return TEST_ABORTED; 370 } 371 372 /* Constant values. */ 373 ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th); 374 SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret); 375 rect.w = tw; 376 rect.h = th; 377 ni = TESTRENDER_SCREEN_W - tw; 378 nj = TESTRENDER_SCREEN_H - th; 379 380 /* Loop blit. */ 381 checkFailCount1 = 0; 382 for (j=0; j <= nj; j+=4) { 383 for (i=0; i <= ni; i+=4) { 384 /* Blitting. */ 385 rect.x = i; 386 rect.y = j; 387 ret = SDL_RenderCopy(renderer, tface, NULL, &rect ); 388 if (ret != 0) checkFailCount1++; 389 } 390 } 391 SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount1); 392 393 /* See if it's the same */ 394 referenceSurface = SDLTest_ImageBlit(); 395 _compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE ); 396 397 /* Clean up. */ 398 SDL_DestroyTexture( tface ); 399 SDL_FreeSurface(referenceSurface); 400 referenceSurface = NULL; 401 402 return TEST_COMPLETED; 403 } 404 405 406 /** 407 * @brief Blits doing color tests. 408 * 409 * \sa 410 * http://wiki.libsdl.org/moin.cgi/SDL_SetTextureColorMod 411 * http://wiki.libsdl.org/moin.cgi/SDL_RenderCopy 412 * http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture 413 */ 414 int 415 render_testBlitColor (void *arg) 416 { 417 int ret; 418 SDL_Rect rect; 419 SDL_Texture *tface; 420 SDL_Surface *referenceSurface = NULL; 421 Uint32 tformat; 422 int taccess, tw, th; 423 int i, j, ni, nj; 424 int checkFailCount1; 425 int checkFailCount2; 426 427 /* Create face surface. */ 428 tface = _loadTestFace(); 429 SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result"); 430 if (tface == NULL) { 431 return TEST_ABORTED; 432 } 433 434 /* Constant values. */ 435 ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th); 436 SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret); 437 rect.w = tw; 438 rect.h = th; 439 ni = TESTRENDER_SCREEN_W - tw; 440 nj = TESTRENDER_SCREEN_H - th; 441 442 /* Test blitting with color mod. */ 443 checkFailCount1 = 0; 444 checkFailCount2 = 0; 445 for (j=0; j <= nj; j+=4) { 446 for (i=0; i <= ni; i+=4) { 447 /* Set color mod. */ 448 ret = SDL_SetTextureColorMod( tface, (255/nj)*j, (255/ni)*i, (255/nj)*j ); 449 if (ret != 0) checkFailCount1++; 450 451 /* Blitting. */ 452 rect.x = i; 453 rect.y = j; 454 ret = SDL_RenderCopy(renderer, tface, NULL, &rect ); 455 if (ret != 0) checkFailCount2++; 456 } 457 } 458 SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureColorMod, expected: 0, got: %i", checkFailCount1); 459 SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount2); 460 461 /* See if it's the same. */ 462 referenceSurface = SDLTest_ImageBlitColor(); 463 _compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE ); 464 465 /* Clean up. */ 466 SDL_DestroyTexture( tface ); 467 SDL_FreeSurface(referenceSurface); 468 referenceSurface = NULL; 469 470 return TEST_COMPLETED; 471 } 472 473 474 /** 475 * @brief Tests blitting with alpha. 476 * 477 * \sa 478 * http://wiki.libsdl.org/moin.cgi/SDL_SetTextureAlphaMod 479 * http://wiki.libsdl.org/moin.cgi/SDL_RenderCopy 480 * http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture 481 */ 482 int 483 render_testBlitAlpha (void *arg) 484 { 485 int ret; 486 SDL_Rect rect; 487 SDL_Texture *tface; 488 SDL_Surface *referenceSurface = NULL; 489 Uint32 tformat; 490 int taccess, tw, th; 491 int i, j, ni, nj; 492 int checkFailCount1; 493 int checkFailCount2; 494 495 /* Need alpha or just skip test. */ 496 SDLTest_AssertCheck(_hasTexAlpha(), "_hasTexAlpha"); 497 498 /* Create face surface. */ 499 tface = _loadTestFace(); 500 SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result"); 501 if (tface == NULL) { 502 return TEST_ABORTED; 503 } 504 505 /* Constant values. */ 506 ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th); 507 SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret); 508 rect.w = tw; 509 rect.h = th; 510 ni = TESTRENDER_SCREEN_W - tw; 511 nj = TESTRENDER_SCREEN_H - th; 512 513 /* Test blitting with alpha mod. */ 514 checkFailCount1 = 0; 515 checkFailCount2 = 0; 516 for (j=0; j <= nj; j+=4) { 517 for (i=0; i <= ni; i+=4) { 518 /* Set alpha mod. */ 519 ret = SDL_SetTextureAlphaMod( tface, (255/ni)*i ); 520 if (ret != 0) checkFailCount1++; 521 522 /* Blitting. */ 523 rect.x = i; 524 rect.y = j; 525 ret = SDL_RenderCopy(renderer, tface, NULL, &rect ); 526 if (ret != 0) checkFailCount2++; 527 } 528 } 529 SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureAlphaMod, expected: 0, got: %i", checkFailCount1); 530 SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount2); 531 532 /* See if it's the same. */ 533 referenceSurface = SDLTest_ImageBlitAlpha(); 534 _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED ); 535 536 /* Clean up. */ 537 SDL_DestroyTexture( tface ); 538 SDL_FreeSurface(referenceSurface); 539 referenceSurface = NULL; 540 541 return TEST_COMPLETED; 542 } 543 544 /* Helper functions */ 545 546 /** 547 * @brief Tests a blend mode. 548 * 549 * \sa 550 * http://wiki.libsdl.org/moin.cgi/SDL_SetTextureBlendMode 551 * http://wiki.libsdl.org/moin.cgi/SDL_RenderCopy 552 */ 553 static void 554 _testBlitBlendMode( SDL_Texture * tface, int mode ) 555 { 556 int ret; 557 Uint32 tformat; 558 int taccess, tw, th; 559 int i, j, ni, nj; 560 SDL_Rect rect; 561 int checkFailCount1; 562 int checkFailCount2; 563 564 /* Clear surface. */ 565 _clearScreen(); 566 567 /* Constant values. */ 568 ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th); 569 SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret); 570 rect.w = tw; 571 rect.h = th; 572 ni = TESTRENDER_SCREEN_W - tw; 573 nj = TESTRENDER_SCREEN_H - th; 574 575 /* Test blend mode. */ 576 checkFailCount1 = 0; 577 checkFailCount2 = 0; 578 for (j=0; j <= nj; j+=4) { 579 for (i=0; i <= ni; i+=4) { 580 /* Set blend mode. */ 581 ret = SDL_SetTextureBlendMode( tface, (SDL_BlendMode)mode ); 582 if (ret != 0) checkFailCount1++; 583 584 /* Blitting. */ 585 rect.x = i; 586 rect.y = j; 587 ret = SDL_RenderCopy(renderer, tface, NULL, &rect ); 588 if (ret != 0) checkFailCount2++; 589 } 590 } 591 SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureBlendMode, expected: 0, got: %i", checkFailCount1); 592 SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount2); 593 } 594 595 596 /** 597 * @brief Tests some more blitting routines. 598 * 599 * \sa 600 * http://wiki.libsdl.org/moin.cgi/SDL_SetTextureColorMod 601 * http://wiki.libsdl.org/moin.cgi/SDL_SetTextureAlphaMod 602 * http://wiki.libsdl.org/moin.cgi/SDL_SetTextureBlendMode 603 * http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture 604 */ 605 int 606 render_testBlitBlend (void *arg) 607 { 608 int ret; 609 SDL_Rect rect; 610 SDL_Texture *tface; 611 SDL_Surface *referenceSurface = NULL; 612 Uint32 tformat; 613 int taccess, tw, th; 614 int i, j, ni, nj; 615 int mode; 616 int checkFailCount1; 617 int checkFailCount2; 618 int checkFailCount3; 619 int checkFailCount4; 620 621 SDLTest_AssertCheck(_hasBlendModes(), "_hasBlendModes"); 622 SDLTest_AssertCheck(_hasTexColor(), "_hasTexColor"); 623 SDLTest_AssertCheck(_hasTexAlpha(), "_hasTexAlpha"); 624 625 /* Create face surface. */ 626 tface = _loadTestFace(); 627 SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result"); 628 if (tface == NULL) { 629 return TEST_ABORTED; 630 } 631 632 /* Constant values. */ 633 ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th); 634 SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret); 635 rect.w = tw; 636 rect.h = th; 637 ni = TESTRENDER_SCREEN_W - tw; 638 nj = TESTRENDER_SCREEN_H - th; 639 640 /* Set alpha mod. */ 641 ret = SDL_SetTextureAlphaMod( tface, 100 ); 642 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetTextureAlphaMod, expected: 0, got: %i", ret); 643 644 /* Test None. */ 645 _testBlitBlendMode( tface, SDL_BLENDMODE_NONE ); 646 referenceSurface = SDLTest_ImageBlitBlendNone(); 647 _compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE ); 648 SDL_FreeSurface(referenceSurface); 649 referenceSurface = NULL; 650 651 /* Test Blend. */ 652 _testBlitBlendMode( tface, SDL_BLENDMODE_BLEND ); 653 referenceSurface = SDLTest_ImageBlitBlend(); 654 _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED ); 655 SDL_FreeSurface(referenceSurface); 656 referenceSurface = NULL; 657 658 /* Test Add. */ 659 _testBlitBlendMode( tface, SDL_BLENDMODE_ADD ); 660 referenceSurface = SDLTest_ImageBlitBlendAdd(); 661 _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED ); 662 SDL_FreeSurface(referenceSurface); 663 referenceSurface = NULL; 664 665 /* Test Mod. */ 666 _testBlitBlendMode( tface, SDL_BLENDMODE_MOD); 667 referenceSurface = SDLTest_ImageBlitBlendMod(); 668 _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED ); 669 SDL_FreeSurface(referenceSurface); 670 referenceSurface = NULL; 671 672 /* Clear surface. */ 673 _clearScreen(); 674 675 /* Loop blit. */ 676 checkFailCount1 = 0; 677 checkFailCount2 = 0; 678 checkFailCount3 = 0; 679 checkFailCount4 = 0; 680 for (j=0; j <= nj; j+=4) { 681 for (i=0; i <= ni; i+=4) { 682 683 /* Set color mod. */ 684 ret = SDL_SetTextureColorMod( tface, (255/nj)*j, (255/ni)*i, (255/nj)*j ); 685 if (ret != 0) checkFailCount1++; 686 687 /* Set alpha mod. */ 688 ret = SDL_SetTextureAlphaMod( tface, (100/ni)*i ); 689 if (ret != 0) checkFailCount2++; 690 691 /* Crazy blending mode magic. */ 692 mode = (i/4*j/4) % 4; 693 if (mode==0) mode = SDL_BLENDMODE_NONE; 694 else if (mode==1) mode = SDL_BLENDMODE_BLEND; 695 else if (mode==2) mode = SDL_BLENDMODE_ADD; 696 else if (mode==3) mode = SDL_BLENDMODE_MOD; 697 ret = SDL_SetTextureBlendMode( tface, (SDL_BlendMode)mode ); 698 if (ret != 0) checkFailCount3++; 699 700 /* Blitting. */ 701 rect.x = i; 702 rect.y = j; 703 ret = SDL_RenderCopy(renderer, tface, NULL, &rect ); 704 if (ret != 0) checkFailCount4++; 705 } 706 } 707 SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureColorMod, expected: 0, got: %i", checkFailCount1); 708 SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetTextureAlphaMod, expected: 0, got: %i", checkFailCount2); 709 SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_SetTextureBlendMode, expected: 0, got: %i", checkFailCount3); 710 SDLTest_AssertCheck(checkFailCount4 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount4); 711 712 /* Clean up. */ 713 SDL_DestroyTexture( tface ); 714 715 /* Check to see if final image matches. */ 716 referenceSurface = SDLTest_ImageBlitBlendAll(); 717 _compare(referenceSurface, ALLOWABLE_ERROR_BLENDED); 718 SDL_FreeSurface(referenceSurface); 719 referenceSurface = NULL; 720 721 return TEST_COMPLETED; 722 } 723 724 725 /** 726 * @brief Checks to see if functionality is supported. Helper function. 727 */ 728 static int 729 _isSupported( int code ) 730 { 731 return (code == 0); 732 } 733 734 /** 735 * @brief Test to see if we can vary the draw color. Helper function. 736 * 737 * \sa 738 * http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawColor 739 * http://wiki.libsdl.org/moin.cgi/SDL_GetRenderDrawColor 740 */ 741 static int 742 _hasDrawColor (void) 743 { 744 int ret, fail; 745 Uint8 r, g, b, a; 746 747 fail = 0; 748 749 /* Set color. */ 750 ret = SDL_SetRenderDrawColor(renderer, 100, 100, 100, 100 ); 751 if (!_isSupported(ret)) 752 fail = 1; 753 ret = SDL_GetRenderDrawColor(renderer, &r, &g, &b, &a ); 754 if (!_isSupported(ret)) 755 fail = 1; 756 757 /* Restore natural. */ 758 ret = SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE ); 759 if (!_isSupported(ret)) 760 fail = 1; 761 762 /* Something failed, consider not available. */ 763 if (fail) 764 return 0; 765 766 /* Not set properly, consider failed. */ 767 else if ((r != 100) || (g != 100) || (b != 100) || (a != 100)) 768 return 0; 769 return 1; 770 } 771 772 /** 773 * @brief Test to see if we can vary the blend mode. Helper function. 774 * 775 * \sa 776 * http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawBlendMode 777 * http://wiki.libsdl.org/moin.cgi/SDL_GetRenderDrawBlendMode 778 */ 779 static int 780 _hasBlendModes (void) 781 { 782 int fail; 783 int ret; 784 SDL_BlendMode mode; 785 786 fail = 0; 787 788 ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND ); 789 if (!_isSupported(ret)) 790 fail = 1; 791 ret = SDL_GetRenderDrawBlendMode(renderer, &mode ); 792 if (!_isSupported(ret)) 793 fail = 1; 794 ret = (mode != SDL_BLENDMODE_BLEND); 795 if (!_isSupported(ret)) 796 fail = 1; 797 ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_ADD ); 798 if (!_isSupported(ret)) 799 fail = 1; 800 ret = SDL_GetRenderDrawBlendMode(renderer, &mode ); 801 if (!_isSupported(ret)) 802 fail = 1; 803 ret = (mode != SDL_BLENDMODE_ADD); 804 if (!_isSupported(ret)) 805 fail = 1; 806 ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_MOD ); 807 if (!_isSupported(ret)) 808 fail = 1; 809 ret = SDL_GetRenderDrawBlendMode(renderer, &mode ); 810 if (!_isSupported(ret)) 811 fail = 1; 812 ret = (mode != SDL_BLENDMODE_MOD); 813 if (!_isSupported(ret)) 814 fail = 1; 815 ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE ); 816 if (!_isSupported(ret)) 817 fail = 1; 818 ret = SDL_GetRenderDrawBlendMode(renderer, &mode ); 819 if (!_isSupported(ret)) 820 fail = 1; 821 ret = (mode != SDL_BLENDMODE_NONE); 822 if (!_isSupported(ret)) 823 fail = 1; 824 825 return !fail; 826 } 827 828 829 /** 830 * @brief Loads the test image 'Face' as texture. Helper function. 831 * 832 * \sa 833 * http://wiki.libsdl.org/moin.cgi/SDL_CreateTextureFromSurface 834 */ 835 static SDL_Texture * 836 _loadTestFace(void) 837 { 838 SDL_Surface *face; 839 SDL_Texture *tface; 840 841 face = SDLTest_ImageFace(); 842 if (face == NULL) { 843 return NULL; 844 } 845 846 tface = SDL_CreateTextureFromSurface(renderer, face); 847 if (tface == NULL) { 848 SDLTest_LogError("SDL_CreateTextureFromSurface() failed with error: %s", SDL_GetError()); 849 } 850 851 SDL_FreeSurface(face); 852 853 return tface; 854 } 855 856 857 /** 858 * @brief Test to see if can set texture color mode. Helper function. 859 * 860 * \sa 861 * http://wiki.libsdl.org/moin.cgi/SDL_SetTextureColorMod 862 * http://wiki.libsdl.org/moin.cgi/SDL_GetTextureColorMod 863 * http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture 864 */ 865 static int 866 _hasTexColor (void) 867 { 868 int fail; 869 int ret; 870 SDL_Texture *tface; 871 Uint8 r, g, b; 872 873 /* Get test face. */ 874 tface = _loadTestFace(); 875 if (tface == NULL) 876 return 0; 877 878 /* See if supported. */ 879 fail = 0; 880 ret = SDL_SetTextureColorMod( tface, 100, 100, 100 ); 881 if (!_isSupported(ret)) 882 fail = 1; 883 ret = SDL_GetTextureColorMod( tface, &r, &g, &b ); 884 if (!_isSupported(ret)) 885 fail = 1; 886 887 /* Clean up. */ 888 SDL_DestroyTexture( tface ); 889 890 if (fail) 891 return 0; 892 else if ((r != 100) || (g != 100) || (b != 100)) 893 return 0; 894 return 1; 895 } 896 897 /** 898 * @brief Test to see if we can vary the alpha of the texture. Helper function. 899 * 900 * \sa 901 * http://wiki.libsdl.org/moin.cgi/SDL_SetTextureAlphaMod 902 * http://wiki.libsdl.org/moin.cgi/SDL_GetTextureAlphaMod 903 * http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture 904 */ 905 static int 906 _hasTexAlpha(void) 907 { 908 int fail; 909 int ret; 910 SDL_Texture *tface; 911 Uint8 a; 912 913 /* Get test face. */ 914 tface = _loadTestFace(); 915 if (tface == NULL) 916 return 0; 917 918 /* See if supported. */ 919 fail = 0; 920 ret = SDL_SetTextureAlphaMod( tface, 100 ); 921 if (!_isSupported(ret)) 922 fail = 1; 923 ret = SDL_GetTextureAlphaMod( tface, &a ); 924 if (!_isSupported(ret)) 925 fail = 1; 926 927 /* Clean up. */ 928 SDL_DestroyTexture( tface ); 929 930 if (fail) 931 return 0; 932 else if (a != 100) 933 return 0; 934 return 1; 935 } 936 937 /** 938 * @brief Compares screen pixels with image pixels. Helper function. 939 * 940 * @param s Image to compare against. 941 * 942 * \sa 943 * http://wiki.libsdl.org/moin.cgi/SDL_RenderReadPixels 944 * http://wiki.libsdl.org/moin.cgi/SDL_CreateRGBSurfaceFrom 945 * http://wiki.libsdl.org/moin.cgi/SDL_FreeSurface 946 */ 947 static void 948 _compare(SDL_Surface *referenceSurface, int allowable_error) 949 { 950 int result; 951 SDL_Rect rect; 952 Uint8 *pixels; 953 SDL_Surface *testSurface; 954 955 /* Read pixels. */ 956 pixels = (Uint8 *)SDL_malloc(4*TESTRENDER_SCREEN_W*TESTRENDER_SCREEN_H); 957 SDLTest_AssertCheck(pixels != NULL, "Validate allocated temp pixel buffer"); 958 if (pixels == NULL) return; 959 960 /* Explicitly specify the rect in case the window isn't the expected size... */ 961 rect.x = 0; 962 rect.y = 0; 963 rect.w = TESTRENDER_SCREEN_W; 964 rect.h = TESTRENDER_SCREEN_H; 965 result = SDL_RenderReadPixels(renderer, &rect, RENDER_COMPARE_FORMAT, pixels, 80*4 ); 966 SDLTest_AssertCheck(result == 0, "Validate result from SDL_RenderReadPixels, expected: 0, got: %i", result); 967 968 /* Create surface. */ 969 testSurface = SDL_CreateRGBSurfaceFrom(pixels, TESTRENDER_SCREEN_W, TESTRENDER_SCREEN_H, 32, TESTRENDER_SCREEN_W*4, 970 RENDER_COMPARE_RMASK, RENDER_COMPARE_GMASK, RENDER_COMPARE_BMASK, RENDER_COMPARE_AMASK); 971 SDLTest_AssertCheck(testSurface != NULL, "Verify result from SDL_CreateRGBSurfaceFrom is not NULL"); 972 973 /* Compare surface. */ 974 result = SDLTest_CompareSurfaces( testSurface, referenceSurface, allowable_error ); 975 SDLTest_AssertCheck(result == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", result); 976 977 /* Clean up. */ 978 SDL_free(pixels); 979 SDL_FreeSurface(testSurface); 980 } 981 982 /** 983 * @brief Clears the screen. Helper function. 984 * 985 * \sa 986 * http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawColor 987 * http://wiki.libsdl.org/moin.cgi/SDL_RenderFillRect 988 * http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawBlendMode 989 */ 990 static int 991 _clearScreen(void) 992 { 993 int ret; 994 995 /* Set color. */ 996 ret = SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE ); 997 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret); 998 999 /* Clear screen. */ 1000 ret = SDL_RenderFillRect(renderer, NULL ); 1001 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret); 1002 1003 /* Set defaults. */ 1004 ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE ); 1005 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret); 1006 1007 ret = SDL_SetRenderDrawColor(renderer, 255, 255, 255, SDL_ALPHA_OPAQUE ); 1008 SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret); 1009 1010 return 0; 1011 } 1012 1013 /* ================= Test References ================== */ 1014 1015 /* Render test cases */ 1016 static const SDLTest_TestCaseReference renderTest1 = 1017 { (SDLTest_TestCaseFp)render_testGetNumRenderDrivers, "render_testGetNumRenderDrivers", "Tests call to SDL_GetNumRenderDrivers", TEST_ENABLED }; 1018 1019 static const SDLTest_TestCaseReference renderTest2 = 1020 { (SDLTest_TestCaseFp)render_testPrimitives, "render_testPrimitives", "Tests rendering primitives", TEST_ENABLED }; 1021 1022 /* TODO: rewrite test case, define new test data and re-enable; current implementation fails */ 1023 static const SDLTest_TestCaseReference renderTest3 = 1024 { (SDLTest_TestCaseFp)render_testPrimitivesBlend, "render_testPrimitivesBlend", "Tests rendering primitives with blending", TEST_DISABLED }; 1025 1026 static const SDLTest_TestCaseReference renderTest4 = 1027 { (SDLTest_TestCaseFp)render_testBlit, "render_testBlit", "Tests blitting", TEST_ENABLED }; 1028 1029 static const SDLTest_TestCaseReference renderTest5 = 1030 { (SDLTest_TestCaseFp)render_testBlitColor, "render_testBlitColor", "Tests blitting with color", TEST_ENABLED }; 1031 1032 /* TODO: rewrite test case, define new test data and re-enable; current implementation fails */ 1033 static const SDLTest_TestCaseReference renderTest6 = 1034 { (SDLTest_TestCaseFp)render_testBlitAlpha, "render_testBlitAlpha", "Tests blitting with alpha", TEST_DISABLED }; 1035 1036 /* TODO: rewrite test case, define new test data and re-enable; current implementation fails */ 1037 static const SDLTest_TestCaseReference renderTest7 = 1038 { (SDLTest_TestCaseFp)render_testBlitBlend, "render_testBlitBlend", "Tests blitting with blending", TEST_DISABLED }; 1039 1040 /* Sequence of Render test cases */ 1041 static const SDLTest_TestCaseReference *renderTests[] = { 1042 &renderTest1, &renderTest2, &renderTest3, &renderTest4, &renderTest5, &renderTest6, &renderTest7, NULL 1043 }; 1044 1045 /* Render test suite (global) */ 1046 SDLTest_TestSuiteReference renderTestSuite = { 1047 "Render", 1048 InitCreateRenderer, 1049 renderTests, 1050 CleanupDestroyRenderer 1051 }; 1052
