Commit 8b55cf12169b50a492dbc5deb8402faec34dab60

Thomas de Grivel 2023-12-04T08:32:56

wip demo

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
diff --git a/config.subr b/config.subr
index c4f6dc8..c31a12b 100644
--- a/config.subr
+++ b/config.subr
@@ -120,12 +120,23 @@ config_lib() {
     OUT=".config_$NAME"
     echo "/* generated by configure */" > "$OUT_C"
     echo "int main (void) { return 0; }" >> "$OUT_C"
-    if ${CC} ${CPPFLAGS} ${CFLAGS} "$OUT_C" ${LIBS} $@ -o "$OUT"; then
+    if ${CC} ${CPPFLAGS} ${CFLAGS} "$OUT_C" ${LDFLAGS} ${LIBS} $@ -o "$OUT"; then
         LIBS="$LIBS $@"
     fi
     rm -f "$OUT" "$OUT_C"
 }
 
+config_no_undefined() {
+    OUT_C=".config_no_undefined.c"
+    OUT=".config_no_undefined"
+    echo "/* generated by configure */" > "$OUT_C"
+    echo "int main (void) { return 0; }" >> "$OUT_C"
+    if ${CC} ${CPPFLAGS} ${CFLAGS} "$OUT_C" ${LDFLAGS} -no-undefined ${LIBS} $@ -o "$OUT" >/dev/null 2>&1; then
+        LDFLAGS="$LDFLAGS -no-undefined"
+    fi
+    rm -f "$OUT" "$OUT_C"
+}
+
 env_reset() {
     CPPFLAGS="$ENV_CPPFLAGS"
     CFLAGS="$ENV_CFLAGS"
@@ -351,3 +362,5 @@ if [ "x$LIBDIR" = "x" ]; then
     LIBDIR="${PREFIX}/lib"
 fi
 echo "LIBDIR = $LIBDIR" >> ${CONFIG_MK}
+
+config_no_undefined
diff --git a/libc3/configure b/libc3/configure
index ddd324c..59c6d08 100755
--- a/libc3/configure
+++ b/libc3/configure
@@ -38,7 +38,7 @@ OBJECTS_DEBUG="$(c2ext .debug.lo "$LO_SOURCES")"
 # Common config for all targets
 CPPFLAGS="-I../libffi/include $CPPFLAGS"
 CFLAGS="$CFLAGS -W -Wall -Werror -std=c99 -pedantic -fPIC"
-LDFLAGS="--shared -no-undefined ${LDFLAGS}"
+LDFLAGS="--shared ${LDFLAGS}"
 LIBS="${LIBS} -lm -pthread -rpath ${PREFIX}/lib"
 config_asan
 config_gnu
diff --git a/libc3/window/cairo/cairo_sprite.c b/libc3/window/cairo/cairo_sprite.c
index ebc907a..8b2063e 100644
--- a/libc3/window/cairo/cairo_sprite.c
+++ b/libc3/window/cairo/cairo_sprite.c
@@ -12,56 +12,123 @@
  */
 #include <assert.h>
 #include <err.h>
+#include <libc3/c3.h>
 #include "cairo_sprite.h"
 
+bool g_il_is_loaded = false;
+
+static void ilEnsureInit (void)
+{
+  if (! g_il_is_loaded) {
+    ilInit();
+    iluInit();
+    g_il_is_loaded = true;
+  }
+}
+
+void ilClean (void)
+{
+  /*
+  if (g_il_is_loaded) {
+    iluDestroy();
+    ilDestroy();
+    g_il_is_loaded = false;
+  }
+  */
+}
+
 void cairo_sprite_blit (const s_cairo_sprite *sprite, uw frame,
                         cairo_t *cr, uw x, uw y)
 {
-  uw frame_x;
-  uw frame_y;
-  cairo_matrix_t matrix;
-  cairo_pattern_t *pattern;
   assert(sprite);
   assert(frame < sprite->frame_count);
   assert(cr);
   frame %= sprite->frame_count;
-  frame_x = frame % sprite->dim_x;
-  frame_y = frame / sprite->dim_x;
-  frame_x *= sprite->w;
-  frame_y *= sprite->h;
-  pattern = cairo_pattern_create_for_surface(sprite->surface);
-  cairo_matrix_init_translate(&matrix, frame_x, frame_y);
-  cairo_pattern_set_matrix(pattern, &matrix);
-  cairo_set_source(cr, pattern);
+  cairo_set_source_surface(cr, sprite->surface[frame], 0, 0);
   cairo_rectangle(cr, x, y, sprite->w, sprite->h);
   cairo_fill(cr);
-  cairo_pattern_destroy(pattern);
 }
 
 void cairo_sprite_clean (s_cairo_sprite *sprite)
 {
+  uw i;
   assert(sprite);
-  cairo_surface_destroy(sprite->surface);
+  i = 0;
+  while (i < sprite->frame_count) {
+    cairo_surface_destroy(sprite->surface[i]);
+    i++;
+  }
+  free(sprite->surface);
 }
 
 s_cairo_sprite * cairo_sprite_init (s_cairo_sprite *sprite,
-                                    cairo_surface_t *surface,
+                                    const s8 *path,
                                     uw dim_x, uw dim_y,
                                     uw frame_count)
 {
   assert(sprite);
   assert(dim_x);
   assert(dim_y);
-  if (! (sprite->surface = surface)) {
-    warnx("cairo_sprite_init: NULL surface");
+    ILubyte *data;
+  uw i;
+  ILuint il_image[2];
+  uw x;
+  uw y;
+  assert(sprite);
+  assert(path);
+  assert(dim_x);
+  assert(dim_y);
+  str_init_copy_1(&sprite->path, path);
+  if (! file_search(&sprite->path, sym_1("r"), &sprite->real_path)) {
+    warnx("cairo_sprite_init: file not found: %s", path);
+    str_clean(&sprite->path);
     return NULL;
   }
-  sprite->total_w = cairo_image_surface_get_width(surface);
-  sprite->total_h = cairo_image_surface_get_height(surface);
+  ilEnsureInit();
+  ilGenImages(2, il_image);
+  ilBindImage(il_image[0]);
+  if (! ilLoadImage(sprite->path.ptr.ps8)) {
+    warnx("cairo_sprite_init: error loading image: %s",
+          iluErrorString(ilGetError()));
+    str_clean(&sprite->path);
+    str_clean(&sprite->real_path);
+    return NULL;
+  }
+  sprite->total_w = ilGetInteger(IL_IMAGE_WIDTH);
+  sprite->total_h = ilGetInteger(IL_IMAGE_HEIGHT);
   sprite->dim_x = dim_x;
   sprite->dim_y = dim_y;
   sprite->w = sprite->total_w / dim_x;
   sprite->h = sprite->total_h / dim_y;
   sprite->frame_count = frame_count ? frame_count : (dim_x * dim_y);
+  sprite->surface = calloc(frame_count, sizeof(cairo_surface_t *));
+  if (! sprite->surface) {
+    warn("cairo_sprite_init: sprite->surface");
+    ilDeleteImages(2, il_image);
+    str_clean(&sprite->path);
+    str_clean(&sprite->real_path);
+    return NULL;
+  }
+  i = 0;
+  y = 0;
+  while (i < sprite->frame_count && y < dim_y) {
+    x = 0;
+    while (i < sprite->frame_count && x < dim_x) {
+      ilBindImage(il_image[1]);
+      ilTexImage(sprite->w, sprite->h, 1, 32, IL_RGBA, IL_UNSIGNED_BYTE,
+                 NULL);
+      data = ilGetData();
+      ilBindImage(il_image[0]);
+      ilCopyPixels(x * sprite->w, y * sprite->h, 0,
+                   sprite->w, sprite->h, 1, IL_RGBA, IL_UNSIGNED_BYTE,
+                   data);
+      sprite->surface[i] = cairo_image_surface_create_for_data
+        (data, CAIRO_FORMAT_ARGB32, sprite->w, sprite->h, sprite->w * 4);
+      i++;
+      x++;
+    }
+    y++;
+  }
+  ilDeleteImages(2, il_image);
   return sprite;
 }
diff --git a/libc3/window/cairo/cairo_sprite.h b/libc3/window/cairo/cairo_sprite.h
index 62a45b4..53822f7 100644
--- a/libc3/window/cairo/cairo_sprite.h
+++ b/libc3/window/cairo/cairo_sprite.h
@@ -19,7 +19,7 @@
 /* stack allocation compatible functions */
 void             cairo_sprite_clean (s_cairo_sprite *sprite);
 s_cairo_sprite * cairo_sprite_init (s_cairo_sprite *sprite,
-                                    cairo_surface_t *surface,
+                                    const s8 *path,
                                     uw dim_x, uw dim_y,
                                     uw frame_count);
 
diff --git a/libc3/window/cairo/configure b/libc3/window/cairo/configure
index 32af4a8..d79f71b 100755
--- a/libc3/window/cairo/configure
+++ b/libc3/window/cairo/configure
@@ -38,12 +38,13 @@ OBJECTS_DEBUG="$(c2ext .debug.lo "$SOURCES")"
 # Common config for all targets
 CPPFLAGS="-I../../../libffi/include -I../../.. $CPPFLAGS"
 CFLAGS="$CFLAGS -W -Wall -Werror -std=c99 -pedantic"
-LDFLAGS="--shared -no-undefined ${LDFLAGS}"
+LDFLAGS="--shared ${LDFLAGS}"
 LIBS="$LIBS -rpath ${PREFIX}/lib"
 config_asan
 config_gnu
 pkg_config cairo
 pkg_config freetype2
+config_lib IL -lIL -lILU
 pkg_config libbsd-overlay
 pkg_config xkbcommon
 config_lib_have COCOA -framework Cocoa
diff --git a/libc3/window/cairo/demo/configure b/libc3/window/cairo/demo/configure
index bfbbc6a..94e186a 100755
--- a/libc3/window/cairo/demo/configure
+++ b/libc3/window/cairo/demo/configure
@@ -38,7 +38,7 @@ OBJECTS_DEBUG="$(c2ext .debug.lo "$SOURCES")"
 # Common config for all targets
 CPPFLAGS="-I../../../../libffi/include -I../../../.. $CPPFLAGS"
 CFLAGS="$CFLAGS -W -Wall -Werror -std=c99 -pedantic"
-LDFLAGS="--shared -no-undefined ${LDFLAGS}"
+LDFLAGS="--shared ${LDFLAGS}"
 LIBS="$LIBS -rpath ${PREFIX}/lib"
 config_asan
 config_gnu
diff --git a/libc3/window/cairo/demo/window_cairo_demo.c b/libc3/window/cairo/demo/window_cairo_demo.c
index 62ed72a..c687106 100644
--- a/libc3/window/cairo/demo/window_cairo_demo.c
+++ b/libc3/window/cairo/demo/window_cairo_demo.c
@@ -19,7 +19,6 @@
 #include "../../window.h"
 #include "../window_cairo.h"
 #include "../cairo_sprite.h"
-#include "../cairo_surface.h"
 #include "window_cairo_demo.h"
 #include "bg_rect.h"
 #include "lightspeed.h"
@@ -80,23 +79,19 @@ bool window_cairo_demo_load (s_window_cairo *window)
   window_cairo_sequence_init(window->sequence + 1, 20.0,
                              "02. Lightspeed",
                              lightspeed_load, lightspeed_render);
-  if (! cairo_sprite_init(&g_toaster_sprite,
-                          cairo_png_1("img/flaps.png"),
+  if (! cairo_sprite_init(&g_toaster_sprite, "img/flaps.png",
                           4, 1, 4))
     return false;
-  if (! cairo_sprite_init(&g_toast_sprite,
-                          cairo_png_1("img/toast.png"),
+  if (! cairo_sprite_init(&g_toast_sprite, "img/toast.png",
                           1, 1, 1))
     return false;
   window_cairo_sequence_init(window->sequence + 2, 60.0,
                              "03. Toasters",
                              toasters_load, toasters_render);
-  if (! cairo_sprite_init(&g_fly_sprite,
-                          cairo_png_1("img/fly-noto.png"),
+  if (! cairo_sprite_init(&g_fly_sprite, "img/fly-noto.png",
                           1, 1, 1))
     return false;
-  if (! cairo_sprite_init(&g_dead_fly_sprite,
-                          cairo_png_1("img/fly-dead.png"),
+  if (! cairo_sprite_init(&g_dead_fly_sprite, "img/fly-dead.png",
                           1, 1, 1))
     return false;
   window_cairo_sequence_init(window->sequence + 3, 60.0,
diff --git a/libc3/window/cairo/quartz/configure b/libc3/window/cairo/quartz/configure
index ad012e5..8fd6d69 100755
--- a/libc3/window/cairo/quartz/configure
+++ b/libc3/window/cairo/quartz/configure
@@ -47,16 +47,11 @@ OBJECTS_DEBUG="$(c2ext .debug.lo "$SOURCES")"
 OBJECTS_DEBUG="$OBJECTS_DEBUG $(objc2ext .debug.lo "$OBJC_SOURCES")"
 echo "OBJECTS_DEBUG = $OBJECTS_DEBUG" >> ${CONFIG_MK}
 
-# Default config
-CPPFLAGS="${CPPFLAGS:-}"
-ENV_CFLAGS="${CFLAGS:-}"
-DEFAULT_CFLAGS="-O2 -pipe -fPIC"
-LDFLAGS="${LDFLAGS:-}"
-LIBS="${LIBS:-}"
-
 # Common config for all targets
-CFLAGS="$CFLAGS -W -Wall -Werror -std=c99 -pedantic"
 CPPFLAGS="$CPPFLAGS -I../../../../libffi/include -I../../../.."
+CFLAGS="$CFLAGS -W -Wall -Werror -std=c99 -pedantic"
+LDFLAGS="--shared $LDFLAGS"
+LIBS="$LIBS"
 config_asan
 config_gnu
 pkg_config cairo
@@ -83,6 +78,7 @@ LOCAL_LIBS_DEBUG="../libc3_window_cairo_debug.la"
 LIBS_DEBUG="$LOCAL_LIBS_DEBUG $LIBS"
 
 # Main config
+DEFAULT_CFLAGS="-O2 -pipe"
 if [ "x$ENV_CFLAGS" = "x" ]; then
     CFLAGS="$CFLAGS $DEFAULT_CFLAGS"
 fi
diff --git a/libc3/window/cairo/quartz/demo/configure b/libc3/window/cairo/quartz/demo/configure
index c6dd7de..744a9fb 100755
--- a/libc3/window/cairo/quartz/demo/configure
+++ b/libc3/window/cairo/quartz/demo/configure
@@ -100,7 +100,7 @@ LOCAL_LIBS_DEBUG="../../demo/libc3_window_cairo_demo_debug.la ../libc3_window_ca
 LIBS_DEBUG="$LOCAL_LIBS_DEBUG $LIBS"
 
 # Main config
-DEFAULT_CFLAGS="-O2 -pipe -fPIC"
+DEFAULT_CFLAGS="-O2 -pipe"
 if [ "x$ENV_CFLAGS" = "x" ]; then
     CFLAGS="$CFLAGS $DEFAULT_CFLAGS"
 fi
diff --git a/libc3/window/cairo/sources.mk b/libc3/window/cairo/sources.mk
index b87ea50..50abea0 100644
--- a/libc3/window/cairo/sources.mk
+++ b/libc3/window/cairo/sources.mk
@@ -2,13 +2,11 @@
 HEADERS = \
 	cairo_font.h \
 	cairo_sprite.h \
-	cairo_surface.h \
 	types.h \
 	window_cairo.h \
 
 SOURCES = \
 	cairo_font.c \
 	cairo_sprite.c \
-	cairo_surface.c \
 	window_cairo.c \
 
diff --git a/libc3/window/cairo/sources.sh b/libc3/window/cairo/sources.sh
index d2c7fc8..35b3d02 100644
--- a/libc3/window/cairo/sources.sh
+++ b/libc3/window/cairo/sources.sh
@@ -1,3 +1,3 @@
 # sources.sh generated by update_sources
-HEADERS='cairo_font.h cairo_sprite.h cairo_surface.h types.h window_cairo.h '
-SOURCES='cairo_font.c cairo_sprite.c cairo_surface.c window_cairo.c '
+HEADERS='cairo_font.h cairo_sprite.h types.h window_cairo.h '
+SOURCES='cairo_font.c cairo_sprite.c window_cairo.c '
diff --git a/libc3/window/cairo/types.h b/libc3/window/cairo/types.h
index 7c27bf4..e8674b2 100644
--- a/libc3/window/cairo/types.h
+++ b/libc3/window/cairo/types.h
@@ -22,6 +22,8 @@
 #include <cairo-ft.h>
 #include <ft2build.h>
 #include FT_FREETYPE_H
+#include <IL/il.h>
+#include <IL/ilu.h>
 #include <libc3/types.h>
 #include "../types.h"
 
@@ -68,6 +70,8 @@ struct cairo_font {
 };
 
 struct cairo_sprite {
+  s_str path;
+  s_str real_path;
   uw total_w;
   uw total_h;
   uw dim_x;
@@ -75,7 +79,7 @@ struct cairo_sprite {
   uw frame_count;
   uw w;
   uw h;
-  cairo_surface_t *surface;
+  cairo_surface_t **surface;
 };
 
 struct rgb {
diff --git a/libc3/window/cairo/win32/configure b/libc3/window/cairo/win32/configure
index 83c221a..f612b27 100644
--- a/libc3/window/cairo/win32/configure
+++ b/libc3/window/cairo/win32/configure
@@ -43,7 +43,7 @@ OBJECTS_DEBUG="$(c2ext .debug.lo "$SOURCES")"
 # Common config for all targets
 CPPFLAGS="-I../../../../libffi/include -I../../../.. $CPPFLAGS"
 CFLAGS="$CFLAGS -W -Wall -Werror -std=c99 -pedantic"
-LDFLAGS="--shared -no-undefined ${LDFLAGS}"
+LDFLAGS="--shared $LDFLAGS"
 LIBS="$LIBS -rpath ${PREFIX}/lib"
 config_asan
 config_gnu
diff --git a/libc3/window/cairo/xcb/configure b/libc3/window/cairo/xcb/configure
index 11dbc78..3614681 100755
--- a/libc3/window/cairo/xcb/configure
+++ b/libc3/window/cairo/xcb/configure
@@ -38,7 +38,7 @@ OBJECTS_DEBUG="$(c2ext .debug.lo "$SOURCES")"
 # Common config for all targets
 CPPFLAGS="$CPPFLAGS -I../../../../libffi/include -I../../../.."
 CFLAGS="$CFLAGS -W -Wall -Werror -std=c99 -pedantic -fPIC"
-LDFLAGS="--shared -no-undefined ${LDFLAGS}"
+LDFLAGS="--shared ${LDFLAGS}"
 LIBS="$LIBS -rpath ${PREFIX}/lib"
 config_asan
 config_gnu
diff --git a/libc3/window/configure b/libc3/window/configure
index 89fd38b..7f67cfa 100755
--- a/libc3/window/configure
+++ b/libc3/window/configure
@@ -38,7 +38,7 @@ OBJECTS_DEBUG="$(c2ext .debug.lo "$SOURCES")"
 # Common config for all targets
 CPPFLAGS="-I../../libffi/include -I../.. $CPPFLAGS"
 CFLAGS="$CFLAGS -W -Wall -Werror -std=c99 -pedantic"
-LDFLAGS="--shared -no-undefined ${LDFLAGS}"
+LDFLAGS="--shared ${LDFLAGS}"
 LIBS="$LIBS -rpath ${PREFIX}/lib"
 config_asan
 config_gnu
diff --git a/libc3/window/sdl2/configure b/libc3/window/sdl2/configure
index 078a37c..b33d970 100755
--- a/libc3/window/sdl2/configure
+++ b/libc3/window/sdl2/configure
@@ -39,7 +39,7 @@ OBJECTS_DEBUG="$(c2ext .debug.lo "$SOURCES")"
 CPPFLAGS="-I../../../libffi/include -I../../.. $CPPFLAGS"
 CPPFLAGS="$CPPFLAGS -DGL_SILENCE_DEPRECATION=1"
 CFLAGS="$CFLAGS -W -Wall -Werror -std=c99 -pedantic"
-LDFLAGS="--shared -no-undefined ${LDFLAGS}"
+LDFLAGS="--shared ${LDFLAGS}"
 LIBS="$LIBS -rpath ${PREFIX}/lib"
 config_asan
 config_gnu
diff --git a/libc3/window/sdl2/sdl2_sprite.c b/libc3/window/sdl2/sdl2_sprite.c
index f0c5862..5912c12 100644
--- a/libc3/window/sdl2/sdl2_sprite.c
+++ b/libc3/window/sdl2/sdl2_sprite.c
@@ -41,8 +41,10 @@ void ilClean (void)
 void sdl2_sprite_clean (s_sdl2_sprite *sprite)
 {
   assert(sprite);
-  (void) sprite;
-  // TODO
+  str_clean(&sprite->path);
+  str_clean(&sprite->real_path);
+  glDeleteTextures(sprite->frame_count, sprite->texture);
+  free(sprite->texture);
 }
 
 s_sdl2_sprite * sdl2_sprite_init (s_sdl2_sprite *sprite,
@@ -51,9 +53,9 @@ s_sdl2_sprite * sdl2_sprite_init (s_sdl2_sprite *sprite,
                                   uw frame_count)
 {
   //ILint bpp;
-  ILubyte *data;
+  ILubyte *data[3];
   uw i;
-  ILuint il_images[2];
+  ILuint il_image[3];
   uw x;
   uw y;
   assert(sprite);
@@ -68,8 +70,8 @@ s_sdl2_sprite * sdl2_sprite_init (s_sdl2_sprite *sprite,
     return NULL;
   }
   ilEnsureInit();
-  ilGenImages(2, il_images);
-  ilBindImage(il_images[0]);
+  ilGenImages(3, il_image);
+  ilBindImage(il_image[0]);
   if (! ilLoadImage(sprite->path.ptr.ps8)) {
     warnx("sdl2_sprite_init: error loading image: %s",
           iluErrorString(ilGetError()));
@@ -85,20 +87,30 @@ s_sdl2_sprite * sdl2_sprite_init (s_sdl2_sprite *sprite,
   sprite->w = sprite->total_w / dim_x;
   sprite->h = sprite->total_h / dim_y;
   sprite->frame_count = frame_count ? frame_count : (dim_x * dim_y);
-  sprite->gl_textures = malloc(frame_count * sizeof(GLuint));
-  if (! sprite->gl_textures) {
-    warn("sdl2_sprite: sprite->gl_textures");
-    ilDeleteImages(2, il_images);
+  sprite->texture = malloc(frame_count * sizeof(GLuint));
+  if (! sprite->texture) {
+    warn("sdl2_sprite_init: sprite->texture");
+    ilDeleteImages(2, il_image);
     str_clean(&sprite->path);
     str_clean(&sprite->real_path);
     return NULL;
   }
-  glGenTextures(frame_count, sprite->gl_textures);
-  ilBindImage(il_images[1]);
-  ilTexImage(sprite->w, sprite->h, 1, 32, IL_RGBA, IL_UNSIGNED_BYTE,
+  glGenTextures(frame_count, sprite->texture);
+  ilBindImage(il_image[1]);
+  ilTexImage(sprite->w, sprite->h, 1, 4, IL_RGBA, IL_UNSIGNED_BYTE,
              NULL);
-  data = ilGetData();
-  ilBindImage(il_images[0]);
+  data[1] = ilGetData();
+  ilBindImage(il_image[2]);
+  sprite->tex_w = 1;
+  while (sprite->tex_w < sprite->w)
+    sprite->tex_w *= 2;
+  sprite->tex_h = 1;
+  while (sprite->tex_h < sprite->h)
+    sprite->tex_h *= 2;
+  ilTexImage(sprite->tex_w, sprite->tex_h, 1, 4, IL_RGBA,
+             IL_UNSIGNED_BYTE, NULL);
+  data[2] = ilGetData();
+  ilBindImage(il_image[0]);
   i = 0;
   y = 0;
   while (i < sprite->frame_count && y < dim_y) {
@@ -106,13 +118,19 @@ s_sdl2_sprite * sdl2_sprite_init (s_sdl2_sprite *sprite,
     while (i < sprite->frame_count && x < dim_x) {
       ilCopyPixels(x * sprite->w, y * sprite->h, 0,
                    sprite->w, sprite->h, 1, IL_RGBA, IL_UNSIGNED_BYTE,
-                   data);
-      glTexImage2D(
+                   data[1]);
+      iluImageParameter(ILU_FILTER, ILU_SCALE_MITCHELL);
+      ilBlit(il_image[1], 0, 0, 0, 0, 0, 0,
+             sprite->tex_w, sprite->tex_h, 1);
+      glBindTexture(GL_TEXTURE_2D, sprite->texture[i]);
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
+                   sprite->tex_w, sprite->tex_h, 0, GL_RGBA,
+                   GL_UNSIGNED_BYTE, data[2]);
       i++;
       x++;
     }
     y++;
   }
-  ilDeleteImages(2, il_images);
+  ilDeleteImages(3, il_image);
   return sprite;
 }
diff --git a/libc3/window/sdl2/types.h b/libc3/window/sdl2/types.h
index 093f8ea..9e973a5 100644
--- a/libc3/window/sdl2/types.h
+++ b/libc3/window/sdl2/types.h
@@ -81,7 +81,9 @@ struct sdl2_sprite {
   uw frame_count;
   uw w;
   uw h;
-  GLuint *gl_textures;
+  uw tex_w;
+  uw tex_h;
+  GLuint *texture;
 };
 
 struct rgb {
diff --git a/libtommath b/libtommath
index 1dc2188..1012230 160000
--- a/libtommath
+++ b/libtommath
@@ -1 +1 @@
-Subproject commit 1dc21885774654ceec6b555513eebce7e2142244
+Subproject commit 10122309f4d721ad39716c29bc7c5ec9fe22be6e