/
testautomation_render.c
1099 lines (914 loc) · 33.8 KB
/
testautomation_render.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/**
* Original code: automated SDL platform test written by Edgar Simo "bobbens"
* Extended and extensively updated by aschiffler at ferzkopp dot net
*/
#include <stdio.h>
#include "SDL.h"
#include "SDL_test.h"
/* ================= Test Case Implementation ================== */
#define TESTRENDER_SCREEN_W 80
#define TESTRENDER_SCREEN_H 60
#define RENDER_COMPARE_FORMAT SDL_PIXELFORMAT_ARGB8888
#define RENDER_COMPARE_AMASK 0xff000000 /**< Alpha bit mask. */
#define RENDER_COMPARE_RMASK 0x00ff0000 /**< Red bit mask. */
#define RENDER_COMPARE_GMASK 0x0000ff00 /**< Green bit mask. */
#define RENDER_COMPARE_BMASK 0x000000ff /**< Blue bit mask. */
#define ALLOWABLE_ERROR_OPAQUE 0
#define ALLOWABLE_ERROR_BLENDED 64
/* Test window and renderer */
SDL_Window *window = NULL;
SDL_Renderer *renderer = NULL;
/* Prototypes for helper functions */
static int _clearScreen (void);
static void _compare(SDL_Surface *reference, int allowable_error);
static int _hasTexAlpha(void);
static int _hasTexColor(void);
static SDL_Texture *_loadTestFace(void);
static int _hasBlendModes(void);
static int _hasDrawColor(void);
static int _isSupported(int code);
/**
* Create software renderer for tests
*/
void InitCreateRenderer(void *arg)
{
int posX = 100, posY = 100, width = 320, height = 240;
renderer = NULL;
window = SDL_CreateWindow("render_testCreateRenderer", posX, posY, width, height, 0);
SDLTest_AssertPass("SDL_CreateWindow()");
SDLTest_AssertCheck(window != NULL, "Check SDL_CreateWindow result");
if (window == NULL) {
return;
}
renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
SDLTest_AssertPass("SDL_CreateRenderer()");
SDLTest_AssertCheck(renderer != 0, "Check SDL_CreateRenderer result");
if (renderer == NULL) {
SDL_DestroyWindow(window);
return;
}
}
/*
* Destroy renderer for tests
*/
void CleanupDestroyRenderer(void *arg)
{
if (renderer != NULL) {
SDL_DestroyRenderer(renderer);
renderer = NULL;
SDLTest_AssertPass("SDL_DestroyRenderer()");
}
if (window != NULL) {
SDL_DestroyWindow(window);
window = NULL;
SDLTest_AssertPass("SDL_DestroyWindow");
}
}
/**
* @brief Tests call to SDL_GetNumRenderDrivers
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_GetNumRenderDrivers
*/
int
render_testGetNumRenderDrivers(void *arg)
{
int n;
n = SDL_GetNumRenderDrivers();
SDLTest_AssertCheck(n >= 1, "Number of renderers >= 1, reported as %i", n);
return TEST_COMPLETED;
}
/**
* @brief Tests the SDL primitives for rendering.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawColor
* http://wiki.libsdl.org/moin.cgi/SDL_RenderFillRect
* http://wiki.libsdl.org/moin.cgi/SDL_RenderDrawLine
*
*/
int render_testPrimitives (void *arg)
{
int ret;
int x, y;
SDL_Rect rect;
SDL_Surface *referenceSurface = NULL;
int checkFailCount1;
int checkFailCount2;
/* Clear surface. */
_clearScreen();
/* Need drawcolor or just skip test. */
SDLTest_AssertCheck(_hasDrawColor(), "_hasDrawColor");
/* Draw a rectangle. */
rect.x = 40;
rect.y = 0;
rect.w = 40;
rect.h = 80;
ret = SDL_SetRenderDrawColor(renderer, 13, 73, 200, SDL_ALPHA_OPAQUE );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
ret = SDL_RenderFillRect(renderer, &rect );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
/* Draw a rectangle. */
rect.x = 10;
rect.y = 10;
rect.w = 60;
rect.h = 40;
ret = SDL_SetRenderDrawColor(renderer, 200, 0, 100, SDL_ALPHA_OPAQUE );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
ret = SDL_RenderFillRect(renderer, &rect );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
/* Draw some points like so:
* X.X.X.X..
* .X.X.X.X.
* X.X.X.X.. */
checkFailCount1 = 0;
checkFailCount2 = 0;
for (y=0; y<3; y++) {
for (x = y % 2; x<TESTRENDER_SCREEN_W; x+=2) {
ret = SDL_SetRenderDrawColor(renderer, x*y, x*y/2, x*y/3, SDL_ALPHA_OPAQUE );
if (ret != 0) checkFailCount1++;
ret = SDL_RenderDrawPoint(renderer, x, y );
if (ret != 0) checkFailCount2++;
}
}
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderDrawPoint, expected: 0, got: %i", checkFailCount2);
/* Draw some lines. */
ret = SDL_SetRenderDrawColor(renderer, 0, 255, 0, SDL_ALPHA_OPAQUE );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor");
ret = SDL_RenderDrawLine(renderer, 0, 30, TESTRENDER_SCREEN_W, 30 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
ret = SDL_SetRenderDrawColor(renderer, 55, 55, 5, SDL_ALPHA_OPAQUE );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
ret = SDL_RenderDrawLine(renderer, 40, 30, 40, 60 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
ret = SDL_SetRenderDrawColor(renderer, 5, 105, 105, SDL_ALPHA_OPAQUE );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
ret = SDL_RenderDrawLine(renderer, 0, 0, 29, 29 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
ret = SDL_RenderDrawLine(renderer, 29, 30, 0, 59 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
ret = SDL_RenderDrawLine(renderer, 79, 0, 50, 29 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
ret = SDL_RenderDrawLine(renderer, 79, 59, 50, 30 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderDrawLine, expected: 0, got: %i", ret);
/* Make current */
SDL_RenderPresent(renderer);
/* See if it's the same. */
referenceSurface = SDLTest_ImagePrimitives();
_compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE );
/* Clean up. */
SDL_FreeSurface(referenceSurface);
referenceSurface = NULL;
return TEST_COMPLETED;
}
/**
* @brief Tests the SDL primitives with alpha for rendering.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawColor
* http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawBlendMode
* http://wiki.libsdl.org/moin.cgi/SDL_RenderFillRect
*/
int render_testPrimitivesBlend (void *arg)
{
int ret;
int i, j;
SDL_Rect rect;
SDL_Surface *referenceSurface = NULL;
int checkFailCount1;
int checkFailCount2;
int checkFailCount3;
/* Clear surface. */
_clearScreen();
/* Need drawcolor and blendmode or just skip test. */
SDLTest_AssertCheck(_hasDrawColor(), "_hasDrawColor");
SDLTest_AssertCheck(_hasBlendModes(), "_hasBlendModes");
/* Create some rectangles for each blend mode. */
ret = SDL_SetRenderDrawColor(renderer, 255, 255, 255, 0 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
ret = SDL_RenderFillRect(renderer, NULL );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
rect.x = 10;
rect.y = 25;
rect.w = 40;
rect.h = 25;
ret = SDL_SetRenderDrawColor(renderer, 240, 10, 10, 75 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_ADD );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
ret = SDL_RenderFillRect(renderer, &rect );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
rect.x = 30;
rect.y = 40;
rect.w = 45;
rect.h = 15;
ret = SDL_SetRenderDrawColor(renderer, 10, 240, 10, 100 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
ret = SDL_RenderFillRect(renderer, &rect );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
rect.x = 25;
rect.y = 25;
rect.w = 25;
rect.h = 25;
ret = SDL_SetRenderDrawColor(renderer, 10, 10, 240, 125 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawColor, expected: 0, got: %i", ret);
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetRenderDrawBlendMode, expected: 0, got: %i", ret);
ret = SDL_RenderFillRect(renderer, &rect );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_RenderFillRect, expected: 0, got: %i", ret);
/* Draw blended lines, lines for everyone. */
checkFailCount1 = 0;
checkFailCount2 = 0;
checkFailCount3 = 0;
for (i=0; i<TESTRENDER_SCREEN_W; i+=2) {
ret = SDL_SetRenderDrawColor(renderer, 60+2*i, 240-2*i, 50, 3*i );
if (ret != 0) checkFailCount1++;
ret = SDL_SetRenderDrawBlendMode(renderer,(((i/2)%3)==0) ? SDL_BLENDMODE_BLEND :
(((i/2)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_NONE );
if (ret != 0) checkFailCount2++;
ret = SDL_RenderDrawLine(renderer, 0, 0, i, 59 );
if (ret != 0) checkFailCount3++;
}
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2);
SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderDrawLine, expected: 0, got: %i", checkFailCount3);
checkFailCount1 = 0;
checkFailCount2 = 0;
checkFailCount3 = 0;
for (i=0; i<TESTRENDER_SCREEN_H; i+=2) {
ret = SDL_SetRenderDrawColor(renderer, 60+2*i, 240-2*i, 50, 3*i );
if (ret != 0) checkFailCount1++;
ret = SDL_SetRenderDrawBlendMode(renderer,(((i/2)%3)==0) ? SDL_BLENDMODE_BLEND :
(((i/2)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_NONE );
if (ret != 0) checkFailCount2++;
ret = SDL_RenderDrawLine(renderer, 0, 0, 79, i );
if (ret != 0) checkFailCount3++;
}
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2);
SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderDrawLine, expected: 0, got: %i", checkFailCount3);
/* Draw points. */
checkFailCount1 = 0;
checkFailCount2 = 0;
checkFailCount3 = 0;
for (j=0; j<TESTRENDER_SCREEN_H; j+=3) {
for (i=0; i<TESTRENDER_SCREEN_W; i+=3) {
ret = SDL_SetRenderDrawColor(renderer, j*4, i*3, j*4, i*3 );
if (ret != 0) checkFailCount1++;
ret = SDL_SetRenderDrawBlendMode(renderer, ((((i+j)/3)%3)==0) ? SDL_BLENDMODE_BLEND :
((((i+j)/3)%3)==1) ? SDL_BLENDMODE_ADD : SDL_BLENDMODE_NONE );
if (ret != 0) checkFailCount2++;
ret = SDL_RenderDrawPoint(renderer, i, j );
if (ret != 0) checkFailCount3++;
}
}
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetRenderDrawColor, expected: 0, got: %i", checkFailCount1);
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetRenderDrawBlendMode, expected: 0, got: %i", checkFailCount2);
SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_RenderDrawPoint, expected: 0, got: %i", checkFailCount3);
/* Make current */
SDL_RenderPresent(renderer);
/* See if it's the same. */
referenceSurface = SDLTest_ImagePrimitivesBlend();
_compare(referenceSurface, ALLOWABLE_ERROR_BLENDED );
/* Clean up. */
SDL_FreeSurface(referenceSurface);
referenceSurface = NULL;
return TEST_COMPLETED;
}
/**
* @brief Tests some blitting routines.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_RenderCopy
* http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture
*/
int
render_testBlit(void *arg)
{
int ret;
SDL_Rect rect;
SDL_Texture *tface;
SDL_Surface *referenceSurface = NULL;
Uint32 tformat;
int taccess, tw, th;
int i, j, ni, nj;
int checkFailCount1;
/* Clear surface. */
_clearScreen();
/* Need drawcolor or just skip test. */
SDLTest_AssertCheck(_hasDrawColor(), "_hasDrawColor)");
/* Create face surface. */
tface = _loadTestFace();
SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result");
if (tface == NULL) {
return TEST_ABORTED;
}
/* Constant values. */
ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
rect.w = tw;
rect.h = th;
ni = TESTRENDER_SCREEN_W - tw;
nj = TESTRENDER_SCREEN_H - th;
/* Loop blit. */
checkFailCount1 = 0;
for (j=0; j <= nj; j+=4) {
for (i=0; i <= ni; i+=4) {
/* Blitting. */
rect.x = i;
rect.y = j;
ret = SDL_RenderCopy(renderer, tface, NULL, &rect );
if (ret != 0) checkFailCount1++;
}
}
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount1);
/* Make current */
SDL_RenderPresent(renderer);
/* See if it's the same */
referenceSurface = SDLTest_ImageBlit();
_compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE );
/* Clean up. */
SDL_DestroyTexture( tface );
SDL_FreeSurface(referenceSurface);
referenceSurface = NULL;
return TEST_COMPLETED;
}
/**
* @brief Blits doing color tests.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetTextureColorMod
* http://wiki.libsdl.org/moin.cgi/SDL_RenderCopy
* http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture
*/
int
render_testBlitColor (void *arg)
{
int ret;
SDL_Rect rect;
SDL_Texture *tface;
SDL_Surface *referenceSurface = NULL;
Uint32 tformat;
int taccess, tw, th;
int i, j, ni, nj;
int checkFailCount1;
int checkFailCount2;
/* Clear surface. */
_clearScreen();
/* Create face surface. */
tface = _loadTestFace();
SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result");
if (tface == NULL) {
return TEST_ABORTED;
}
/* Constant values. */
ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
rect.w = tw;
rect.h = th;
ni = TESTRENDER_SCREEN_W - tw;
nj = TESTRENDER_SCREEN_H - th;
/* Test blitting with color mod. */
checkFailCount1 = 0;
checkFailCount2 = 0;
for (j=0; j <= nj; j+=4) {
for (i=0; i <= ni; i+=4) {
/* Set color mod. */
ret = SDL_SetTextureColorMod( tface, (255/nj)*j, (255/ni)*i, (255/nj)*j );
if (ret != 0) checkFailCount1++;
/* Blitting. */
rect.x = i;
rect.y = j;
ret = SDL_RenderCopy(renderer, tface, NULL, &rect );
if (ret != 0) checkFailCount2++;
}
}
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureColorMod, expected: 0, got: %i", checkFailCount1);
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount2);
/* Make current */
SDL_RenderPresent(renderer);
/* See if it's the same. */
referenceSurface = SDLTest_ImageBlitColor();
_compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE );
/* Clean up. */
SDL_DestroyTexture( tface );
SDL_FreeSurface(referenceSurface);
referenceSurface = NULL;
return TEST_COMPLETED;
}
/**
* @brief Tests blitting with alpha.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetTextureAlphaMod
* http://wiki.libsdl.org/moin.cgi/SDL_RenderCopy
* http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture
*/
int
render_testBlitAlpha (void *arg)
{
int ret;
SDL_Rect rect;
SDL_Texture *tface;
SDL_Surface *referenceSurface = NULL;
Uint32 tformat;
int taccess, tw, th;
int i, j, ni, nj;
int checkFailCount1;
int checkFailCount2;
/* Clear surface. */
_clearScreen();
/* Need alpha or just skip test. */
SDLTest_AssertCheck(_hasTexAlpha(), "_hasTexAlpha");
/* Create face surface. */
tface = _loadTestFace();
SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result");
if (tface == NULL) {
return TEST_ABORTED;
}
/* Constant values. */
ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
rect.w = tw;
rect.h = th;
ni = TESTRENDER_SCREEN_W - tw;
nj = TESTRENDER_SCREEN_H - th;
/* Test blitting with alpha mod. */
checkFailCount1 = 0;
checkFailCount2 = 0;
for (j=0; j <= nj; j+=4) {
for (i=0; i <= ni; i+=4) {
/* Set alpha mod. */
ret = SDL_SetTextureAlphaMod( tface, (255/ni)*i );
if (ret != 0) checkFailCount1++;
/* Blitting. */
rect.x = i;
rect.y = j;
ret = SDL_RenderCopy(renderer, tface, NULL, &rect );
if (ret != 0) checkFailCount2++;
}
}
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureAlphaMod, expected: 0, got: %i", checkFailCount1);
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount2);
/* Make current */
SDL_RenderPresent(renderer);
/* See if it's the same. */
referenceSurface = SDLTest_ImageBlitAlpha();
_compare(referenceSurface, ALLOWABLE_ERROR_BLENDED );
/* Clean up. */
SDL_DestroyTexture( tface );
SDL_FreeSurface(referenceSurface);
referenceSurface = NULL;
return TEST_COMPLETED;
}
/* Helper functions */
/**
* @brief Tests a blend mode.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetTextureBlendMode
* http://wiki.libsdl.org/moin.cgi/SDL_RenderCopy
*/
static void
_testBlitBlendMode( SDL_Texture * tface, int mode )
{
int ret;
Uint32 tformat;
int taccess, tw, th;
int i, j, ni, nj;
SDL_Rect rect;
int checkFailCount1;
int checkFailCount2;
/* Clear surface. */
_clearScreen();
/* Constant values. */
ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
rect.w = tw;
rect.h = th;
ni = TESTRENDER_SCREEN_W - tw;
nj = TESTRENDER_SCREEN_H - th;
/* Test blend mode. */
checkFailCount1 = 0;
checkFailCount2 = 0;
for (j=0; j <= nj; j+=4) {
for (i=0; i <= ni; i+=4) {
/* Set blend mode. */
ret = SDL_SetTextureBlendMode( tface, (SDL_BlendMode)mode );
if (ret != 0) checkFailCount1++;
/* Blitting. */
rect.x = i;
rect.y = j;
ret = SDL_RenderCopy(renderer, tface, NULL, &rect );
if (ret != 0) checkFailCount2++;
}
}
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureBlendMode, expected: 0, got: %i", checkFailCount1);
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount2);
}
/**
* @brief Tests some more blitting routines.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetTextureColorMod
* http://wiki.libsdl.org/moin.cgi/SDL_SetTextureAlphaMod
* http://wiki.libsdl.org/moin.cgi/SDL_SetTextureBlendMode
* http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture
*/
int
render_testBlitBlend (void *arg)
{
int ret;
SDL_Rect rect;
SDL_Texture *tface;
SDL_Surface *referenceSurface = NULL;
Uint32 tformat;
int taccess, tw, th;
int i, j, ni, nj;
int mode;
int checkFailCount1;
int checkFailCount2;
int checkFailCount3;
int checkFailCount4;
SDLTest_AssertCheck(_hasBlendModes(), "_hasBlendModes");
SDLTest_AssertCheck(_hasTexColor(), "_hasTexColor");
SDLTest_AssertCheck(_hasTexAlpha(), "_hasTexAlpha");
/* Create face surface. */
tface = _loadTestFace();
SDLTest_AssertCheck(tface != NULL, "Verify _loadTestFace() result");
if (tface == NULL) {
return TEST_ABORTED;
}
/* Constant values. */
ret = SDL_QueryTexture(tface, &tformat, &taccess, &tw, &th);
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_QueryTexture, expected 0, got %i", ret);
rect.w = tw;
rect.h = th;
ni = TESTRENDER_SCREEN_W - tw;
nj = TESTRENDER_SCREEN_H - th;
/* Set alpha mod. */
ret = SDL_SetTextureAlphaMod( tface, 100 );
SDLTest_AssertCheck(ret == 0, "Validate result from SDL_SetTextureAlphaMod, expected: 0, got: %i", ret);
/* Test None. */
_testBlitBlendMode( tface, SDL_BLENDMODE_NONE );
referenceSurface = SDLTest_ImageBlitBlendNone();
/* Make current and compare */
SDL_RenderPresent(renderer);
_compare(referenceSurface, ALLOWABLE_ERROR_OPAQUE );
SDL_FreeSurface(referenceSurface);
referenceSurface = NULL;
/* Test Blend. */
_testBlitBlendMode( tface, SDL_BLENDMODE_BLEND );
referenceSurface = SDLTest_ImageBlitBlend();
/* Make current and compare */
SDL_RenderPresent(renderer);
_compare(referenceSurface, ALLOWABLE_ERROR_BLENDED );
SDL_FreeSurface(referenceSurface);
referenceSurface = NULL;
/* Test Add. */
_testBlitBlendMode( tface, SDL_BLENDMODE_ADD );
referenceSurface = SDLTest_ImageBlitBlendAdd();
/* Make current and compare */
SDL_RenderPresent(renderer);
_compare(referenceSurface, ALLOWABLE_ERROR_BLENDED );
SDL_FreeSurface(referenceSurface);
referenceSurface = NULL;
/* Test Mod. */
_testBlitBlendMode( tface, SDL_BLENDMODE_MOD);
referenceSurface = SDLTest_ImageBlitBlendMod();
/* Make current and compare */
SDL_RenderPresent(renderer);
_compare(referenceSurface, ALLOWABLE_ERROR_BLENDED );
SDL_FreeSurface(referenceSurface);
referenceSurface = NULL;
/* Clear surface. */
_clearScreen();
/* Loop blit. */
checkFailCount1 = 0;
checkFailCount2 = 0;
checkFailCount3 = 0;
checkFailCount4 = 0;
for (j=0; j <= nj; j+=4) {
for (i=0; i <= ni; i+=4) {
/* Set color mod. */
ret = SDL_SetTextureColorMod( tface, (255/nj)*j, (255/ni)*i, (255/nj)*j );
if (ret != 0) checkFailCount1++;
/* Set alpha mod. */
ret = SDL_SetTextureAlphaMod( tface, (100/ni)*i );
if (ret != 0) checkFailCount2++;
/* Crazy blending mode magic. */
mode = (i/4*j/4) % 4;
if (mode==0) mode = SDL_BLENDMODE_NONE;
else if (mode==1) mode = SDL_BLENDMODE_BLEND;
else if (mode==2) mode = SDL_BLENDMODE_ADD;
else if (mode==3) mode = SDL_BLENDMODE_MOD;
ret = SDL_SetTextureBlendMode( tface, (SDL_BlendMode)mode );
if (ret != 0) checkFailCount3++;
/* Blitting. */
rect.x = i;
rect.y = j;
ret = SDL_RenderCopy(renderer, tface, NULL, &rect );
if (ret != 0) checkFailCount4++;
}
}
SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_SetTextureColorMod, expected: 0, got: %i", checkFailCount1);
SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetTextureAlphaMod, expected: 0, got: %i", checkFailCount2);
SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_SetTextureBlendMode, expected: 0, got: %i", checkFailCount3);
SDLTest_AssertCheck(checkFailCount4 == 0, "Validate results from calls to SDL_RenderCopy, expected: 0, got: %i", checkFailCount4);
/* Clean up. */
SDL_DestroyTexture( tface );
/* Make current */
SDL_RenderPresent(renderer);
/* Check to see if final image matches. */
referenceSurface = SDLTest_ImageBlitBlendAll();
_compare(referenceSurface, ALLOWABLE_ERROR_BLENDED);
SDL_FreeSurface(referenceSurface);
referenceSurface = NULL;
return TEST_COMPLETED;
}
/**
* @brief Checks to see if functionality is supported. Helper function.
*/
static int
_isSupported( int code )
{
return (code == 0);
}
/**
* @brief Test to see if we can vary the draw color. Helper function.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawColor
* http://wiki.libsdl.org/moin.cgi/SDL_GetRenderDrawColor
*/
static int
_hasDrawColor (void)
{
int ret, fail;
Uint8 r, g, b, a;
fail = 0;
/* Set color. */
ret = SDL_SetRenderDrawColor(renderer, 100, 100, 100, 100 );
if (!_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawColor(renderer, &r, &g, &b, &a );
if (!_isSupported(ret))
fail = 1;
/* Restore natural. */
ret = SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE );
if (!_isSupported(ret))
fail = 1;
/* Something failed, consider not available. */
if (fail)
return 0;
/* Not set properly, consider failed. */
else if ((r != 100) || (g != 100) || (b != 100) || (a != 100))
return 0;
return 1;
}
/**
* @brief Test to see if we can vary the blend mode. Helper function.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetRenderDrawBlendMode
* http://wiki.libsdl.org/moin.cgi/SDL_GetRenderDrawBlendMode
*/
static int
_hasBlendModes (void)
{
int fail;
int ret;
SDL_BlendMode mode;
fail = 0;
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND );
if (!_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawBlendMode(renderer, &mode );
if (!_isSupported(ret))
fail = 1;
ret = (mode != SDL_BLENDMODE_BLEND);
if (!_isSupported(ret))
fail = 1;
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_ADD );
if (!_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawBlendMode(renderer, &mode );
if (!_isSupported(ret))
fail = 1;
ret = (mode != SDL_BLENDMODE_ADD);
if (!_isSupported(ret))
fail = 1;
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_MOD );
if (!_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawBlendMode(renderer, &mode );
if (!_isSupported(ret))
fail = 1;
ret = (mode != SDL_BLENDMODE_MOD);
if (!_isSupported(ret))
fail = 1;
ret = SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE );
if (!_isSupported(ret))
fail = 1;
ret = SDL_GetRenderDrawBlendMode(renderer, &mode );
if (!_isSupported(ret))
fail = 1;
ret = (mode != SDL_BLENDMODE_NONE);
if (!_isSupported(ret))
fail = 1;
return !fail;
}
/**
* @brief Loads the test image 'Face' as texture. Helper function.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_CreateTextureFromSurface
*/
static SDL_Texture *
_loadTestFace(void)
{
SDL_Surface *face;
SDL_Texture *tface;
face = SDLTest_ImageFace();
if (face == NULL) {
return NULL;
}
tface = SDL_CreateTextureFromSurface(renderer, face);
if (tface == NULL) {
SDLTest_LogError("SDL_CreateTextureFromSurface() failed with error: %s", SDL_GetError());
}
SDL_FreeSurface(face);
return tface;
}
/**
* @brief Test to see if can set texture color mode. Helper function.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetTextureColorMod
* http://wiki.libsdl.org/moin.cgi/SDL_GetTextureColorMod
* http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture
*/
static int
_hasTexColor (void)
{
int fail;
int ret;
SDL_Texture *tface;
Uint8 r, g, b;
/* Get test face. */
tface = _loadTestFace();
if (tface == NULL)
return 0;
/* See if supported. */
fail = 0;
ret = SDL_SetTextureColorMod( tface, 100, 100, 100 );
if (!_isSupported(ret))
fail = 1;
ret = SDL_GetTextureColorMod( tface, &r, &g, &b );
if (!_isSupported(ret))
fail = 1;
/* Clean up. */
SDL_DestroyTexture( tface );
if (fail)
return 0;
else if ((r != 100) || (g != 100) || (b != 100))
return 0;
return 1;
}
/**
* @brief Test to see if we can vary the alpha of the texture. Helper function.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_SetTextureAlphaMod
* http://wiki.libsdl.org/moin.cgi/SDL_GetTextureAlphaMod
* http://wiki.libsdl.org/moin.cgi/SDL_DestroyTexture
*/
static int
_hasTexAlpha(void)
{
int fail;
int ret;
SDL_Texture *tface;
Uint8 a;
/* Get test face. */
tface = _loadTestFace();
if (tface == NULL)
return 0;
/* See if supported. */
fail = 0;
ret = SDL_SetTextureAlphaMod( tface, 100 );
if (!_isSupported(ret))
fail = 1;
ret = SDL_GetTextureAlphaMod( tface, &a );
if (!_isSupported(ret))
fail = 1;
/* Clean up. */
SDL_DestroyTexture( tface );
if (fail)
return 0;
else if (a != 100)
return 0;
return 1;
}
/**
* @brief Compares screen pixels with image pixels. Helper function.
*
* @param s Image to compare against.
*
* \sa
* http://wiki.libsdl.org/moin.cgi/SDL_RenderReadPixels
* http://wiki.libsdl.org/moin.cgi/SDL_CreateRGBSurfaceFrom
* http://wiki.libsdl.org/moin.cgi/SDL_FreeSurface
*/
static void
_compare(SDL_Surface *referenceSurface, int allowable_error)
{
int result;
SDL_Rect rect;
Uint8 *pixels;
SDL_Surface *testSurface;
/* Read pixels. */
pixels = (Uint8 *)SDL_malloc(4*TESTRENDER_SCREEN_W*TESTRENDER_SCREEN_H);