This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_DirectFB_render.c
911 lines (806 loc) · 30.1 KB
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
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
SDL1.3 implementation by couriersud@arcor.de
*/
#include "SDL_config.h"
#include "SDL_DirectFB_video.h"
#include "SDL_DirectFB_render.h"
#include "../SDL_rect_c.h"
#include "../SDL_yuv_sw_c.h"
32
33
34
/* the following is not yet tested ... */
#define USE_DISPLAY_PALETTE (0)
35
36
37
38
39
/* GDI renderer implementation */
static SDL_Renderer *DirectFB_CreateRenderer(SDL_Window * window,
Uint32 flags);
static int DirectFB_DisplayModeChanged(SDL_Renderer * renderer);
40
static int DirectFB_ActivateRenderer(SDL_Renderer * renderer);
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
static int DirectFB_CreateTexture(SDL_Renderer * renderer,
SDL_Texture * texture);
static int DirectFB_QueryTexturePixels(SDL_Renderer * renderer,
SDL_Texture * texture, void **pixels,
int *pitch);
static int DirectFB_SetTexturePalette(SDL_Renderer * renderer,
SDL_Texture * texture,
const SDL_Color * colors,
int firstcolor, int ncolors);
static int DirectFB_GetTexturePalette(SDL_Renderer * renderer,
SDL_Texture * texture,
SDL_Color * colors, int firstcolor,
int ncolors);
static int DirectFB_SetTextureAlphaMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int DirectFB_SetTextureColorMod(SDL_Renderer * renderer,
SDL_Texture * texture);
static int DirectFB_SetTextureBlendMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int DirectFB_SetTextureScaleMode(SDL_Renderer * renderer,
SDL_Texture * texture);
static int DirectFB_UpdateTexture(SDL_Renderer * renderer,
SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels,
int pitch);
static int DirectFB_LockTexture(SDL_Renderer * renderer,
SDL_Texture * texture, const SDL_Rect * rect,
int markDirty, void **pixels, int *pitch);
static void DirectFB_UnlockTexture(SDL_Renderer * renderer,
SDL_Texture * texture);
static void DirectFB_DirtyTexture(SDL_Renderer * renderer,
SDL_Texture * texture, int numrects,
const SDL_Rect * rects);
static int DirectFB_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g,
Uint8 b, Uint8 a, const SDL_Rect * rect);
static int DirectFB_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect,
const SDL_Rect * dstrect);
static void DirectFB_RenderPresent(SDL_Renderer * renderer);
static void DirectFB_DestroyTexture(SDL_Renderer * renderer,
SDL_Texture * texture);
static void DirectFB_DestroyRenderer(SDL_Renderer * renderer);
SDL_RenderDriver DirectFB_RenderDriver = {
DirectFB_CreateRenderer,
{
"directfb",
(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
90
91
SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_PRESENTDISCARD |
SDL_RENDERER_ACCELERATED),
92
93
94
(SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
SDL_TEXTUREMODULATE_ALPHA),
(SDL_TEXTUREBLENDMODE_NONE | SDL_TEXTUREBLENDMODE_MASK |
95
96
SDL_TEXTUREBLENDMODE_BLEND | SDL_TEXTUREBLENDMODE_ADD |
SDL_TEXTUREBLENDMODE_MOD),
97
98
(SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_FAST |
SDL_TEXTURESCALEMODE_SLOW | SDL_TEXTURESCALEMODE_BEST),
99
100
101
14,
{
SDL_PIXELFORMAT_INDEX4LSB,
102
SDL_PIXELFORMAT_INDEX8,
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
SDL_PIXELFORMAT_RGB332,
SDL_PIXELFORMAT_RGB555,
SDL_PIXELFORMAT_RGB565,
SDL_PIXELFORMAT_RGB888,
SDL_PIXELFORMAT_ARGB8888,
SDL_PIXELFORMAT_ARGB4444,
SDL_PIXELFORMAT_ARGB1555,
SDL_PIXELFORMAT_RGB24,
SDL_PIXELFORMAT_YV12,
SDL_PIXELFORMAT_IYUV,
SDL_PIXELFORMAT_YUY2,
SDL_PIXELFORMAT_UYVY},
0,
0}
};
typedef struct
{
IDirectFBSurface *surface;
DFBSurfaceFlipFlags flipflags;
int isyuvdirect;
124
int size_changed;
125
126
127
128
129
130
131
132
133
} DirectFB_RenderData;
typedef struct
{
IDirectFBSurface *surface;
Uint32 format;
void *pixels;
int pitch;
IDirectFBPalette *palette;
134
135
136
137
138
SDL_VideoDisplay *display;
SDL_DirtyRectList dirty;
#if (DIRECTFB_MAJOR_VERSION == 1) && (DIRECTFB_MINOR_VERSION >= 2)
DFBSurfaceRenderOptions render_options;
#endif
139
140
} DirectFB_TextureData;
141
142
143
144
145
146
147
148
149
static __inline__ void
SDLtoDFBRect(const SDL_Rect * sr, DFBRectangle * dr)
{
dr->x = sr->x;
dr->y = sr->y;
dr->h = sr->h;
dr->w = sr->w;
}
150
151
152
153
154
155
156
157
void
DirectFB_AddRenderDriver(_THIS)
{
int i;
for (i = 0; i < _this->num_displays; i++)
SDL_AddRenderDriver(i, &DirectFB_RenderDriver);
}
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
static int
DisplayPaletteChanged(void *userdata, SDL_Palette * palette)
{
#if USE_DISPLAY_PALETTE
DirectFB_RenderData *data = (DirectFB_RenderData *) userdata;
IDirectFBPalette *surfpal;
int ret;
int i;
int ncolors;
DFBColor entries[256];
SDL_DFB_CHECKERR(data->surface->GetPalette(data->surface, &surfpal));
/* FIXME: number of colors */
ncolors = (palette->ncolors < 256 ? palette->ncolors : 256);
for (i = 0; i < ncolors; ++i) {
entries[i].r = palette->colors[i].r;
entries[i].g = palette->colors[i].g;
entries[i].b = palette->colors[i].b;
entries[i].a = palette->colors[i].unused;
}
SDL_DFB_CHECKERR(surfpal->SetEntries(surfpal, entries, ncolors, 0));
return 0;
error:
#endif
return -1;
}
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
SDL_Renderer *
DirectFB_CreateRenderer(SDL_Window * window, Uint32 flags)
{
SDL_DFB_WINDOWDATA(window);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_Renderer *renderer = NULL;
DirectFB_RenderData *data = NULL;
DFBResult ret;
DFBSurfaceCapabilities scaps;
char *p;
SDL_DFB_CALLOC(renderer, 1, sizeof(*renderer));
SDL_DFB_CALLOC(data, 1, sizeof(*data));
renderer->DisplayModeChanged = DirectFB_DisplayModeChanged;
204
renderer->ActivateRenderer = DirectFB_ActivateRenderer;
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
renderer->CreateTexture = DirectFB_CreateTexture;
renderer->QueryTexturePixels = DirectFB_QueryTexturePixels;
renderer->SetTexturePalette = DirectFB_SetTexturePalette;
renderer->GetTexturePalette = DirectFB_GetTexturePalette;
renderer->SetTextureAlphaMod = DirectFB_SetTextureAlphaMod;
renderer->SetTextureColorMod = DirectFB_SetTextureColorMod;
renderer->SetTextureBlendMode = DirectFB_SetTextureBlendMode;
renderer->SetTextureScaleMode = DirectFB_SetTextureScaleMode;
renderer->UpdateTexture = DirectFB_UpdateTexture;
renderer->LockTexture = DirectFB_LockTexture;
renderer->UnlockTexture = DirectFB_UnlockTexture;
renderer->DirtyTexture = DirectFB_DirtyTexture;
renderer->RenderFill = DirectFB_RenderFill;
renderer->RenderCopy = DirectFB_RenderCopy;
renderer->RenderPresent = DirectFB_RenderPresent;
renderer->DestroyTexture = DirectFB_DestroyTexture;
renderer->DestroyRenderer = DirectFB_DestroyRenderer;
renderer->info = DirectFB_RenderDriver.info;
223
renderer->window = window->id; /* SDL window id */
224
225
226
227
228
229
renderer->driverdata = data;
renderer->info.flags =
SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTDISCARD;
data->surface = windata->surface;
230
231
232
data->surface->AddRef(data->surface);
data->flipflags = DSFLIP_PIPELINE | DSFLIP_BLIT;
233
234
if (flags & SDL_RENDERER_PRESENTVSYNC) {
235
data->flipflags |= DSFLIP_WAITFORSYNC;
236
renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
237
238
} else
data->flipflags |= DSFLIP_ONSYNC;
239
240
SDL_DFB_CHECKERR(data->surface->GetCapabilities(data->surface, &scaps));
241
242
243
244
245
246
247
if (scaps & DSCAPS_DOUBLE)
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
else if (scaps & DSCAPS_TRIPLE)
renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
else
renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
248
249
data->isyuvdirect = 0; /* default is off! */
p = getenv(DFBENV_USE_YUV_DIRECT);
250
251
252
if (p)
data->isyuvdirect = atoi(p);
253
254
255
256
257
/* Set up a palette watch on the display palette */
if (display->palette) {
SDL_AddPaletteWatch(display->palette, DisplayPaletteChanged, data);
}
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
return renderer;
error:
SDL_DFB_FREE(renderer);
SDL_DFB_FREE(data);
return NULL;
}
static DFBSurfacePixelFormat
SDLToDFBPixelFormat(Uint32 format)
{
switch (format) {
case SDL_PIXELFORMAT_INDEX4LSB:
return DSPF_ALUT44;
case SDL_PIXELFORMAT_INDEX8:
return DSPF_LUT8;
case SDL_PIXELFORMAT_RGB332:
return DSPF_RGB332;
case SDL_PIXELFORMAT_RGB555:
return DSPF_ARGB1555;
case SDL_PIXELFORMAT_ARGB4444:
return DSPF_ARGB4444;
case SDL_PIXELFORMAT_ARGB1555:
return DSPF_ARGB1555;
case SDL_PIXELFORMAT_RGB565:
return DSPF_RGB16;
case SDL_PIXELFORMAT_RGB24:
return DSPF_RGB24;
case SDL_PIXELFORMAT_RGB888:
return DSPF_RGB32;
case SDL_PIXELFORMAT_ARGB8888:
return DSPF_ARGB;
case SDL_PIXELFORMAT_YV12:
return DSPF_YV12; /* Planar mode: Y + V + U (3 planes) */
case SDL_PIXELFORMAT_IYUV:
return DSPF_I420; /* Planar mode: Y + U + V (3 planes) */
case SDL_PIXELFORMAT_YUY2:
return DSPF_YUY2; /* Packed mode: Y0+U0+Y1+V0 (1 plane) */
case SDL_PIXELFORMAT_UYVY:
return DSPF_UYVY; /* Packed mode: U0+Y0+V0+Y1 (1 plane) */
case SDL_PIXELFORMAT_YVYU:
return DSPF_UNKNOWN; /* Packed mode: Y0+V0+Y1+U0 (1 plane) */
case SDL_PIXELFORMAT_INDEX1LSB:
return DSPF_UNKNOWN;
case SDL_PIXELFORMAT_INDEX1MSB:
return DSPF_UNKNOWN;
case SDL_PIXELFORMAT_INDEX4MSB:
return DSPF_UNKNOWN;
case SDL_PIXELFORMAT_RGB444:
return DSPF_UNKNOWN;
case SDL_PIXELFORMAT_BGR24:
return DSPF_UNKNOWN;
case SDL_PIXELFORMAT_BGR888:
return DSPF_UNKNOWN;
case SDL_PIXELFORMAT_RGBA8888:
return DSPF_UNKNOWN;
case SDL_PIXELFORMAT_ABGR8888:
return DSPF_UNKNOWN;
case SDL_PIXELFORMAT_BGRA8888:
return DSPF_UNKNOWN;
case SDL_PIXELFORMAT_ARGB2101010:
return DSPF_UNKNOWN;
default:
return DSPF_UNKNOWN;
}
}
static int
326
DirectFB_ActivateRenderer(SDL_Renderer * renderer)
327
328
329
330
331
{
SDL_DFB_RENDERERDATA(renderer);
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
SDL_DFB_WINDOWDATA(window);
332
333
334
335
336
337
338
339
340
341
342
if (renddata->size_changed) {
int cw, ch;
int ret;
SDL_DFB_CHECKERR(windata->surface->
GetSize(windata->surface, &cw, &ch));
if (cw != window->w || ch != window->h)
SDL_DFB_CHECKERR(windata->window->
ResizeSurface(windata->window, window->w,
window->h));
}
343
344
345
346
347
return 0;
error:
return -1;
}
348
349
350
351
352
353
354
355
356
static int
DirectFB_DisplayModeChanged(SDL_Renderer * renderer)
{
SDL_DFB_RENDERERDATA(renderer);
renddata->size_changed = SDL_TRUE;
return 0;
}
357
static int
358
DirectFB_AcquireVidLayer(SDL_Renderer * renderer, SDL_Texture * texture)
359
360
361
362
363
364
{
SDL_DFB_RENDERERDATA(renderer);
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_DFB_DEVICEDATA(display->device);
DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
365
DirectFB_TextureData *data = texture->driverdata;
366
DFBDisplayLayerConfig layconf;
367
int ret;
368
369
if (renddata->isyuvdirect && (dispdata->vidID >= 0)
370
&& (!dispdata->vidIDinuse)
371
&& SDL_ISPIXELFORMAT_FOURCC(data->format)) {
372
373
374
layconf.flags =
DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT |
DLCONF_SURFACE_CAPS;
375
376
377
layconf.width = texture->w;
layconf.height = texture->h;
layconf.pixelformat = SDLToDFBPixelFormat(data->format);
378
layconf.surface_caps = DSCAPS_VIDEOONLY | DSCAPS_DOUBLE;
379
380
381
SDL_DFB_CHECKERR(devdata->dfb->
GetDisplayLayer(devdata->dfb, dispdata->vidID,
382
383
384
&dispdata->vidlayer));
SDL_DFB_CHECKERR(dispdata->vidlayer->
SetCooperativeLevel(dispdata->vidlayer,
385
DLSCL_EXCLUSIVE));
386
387
388
389
390
391
392
393
394
395
396
397
if (devdata->use_yuv_underlays) {
ret = dispdata->vidlayer->SetLevel(dispdata->vidlayer, -1);
if (ret != DFB_OK)
SDL_DFB_DEBUG("Underlay Setlevel not supported\n");
}
SDL_DFB_CHECKERR(dispdata->vidlayer->
SetConfiguration(dispdata->vidlayer, &layconf));
SDL_DFB_CHECKERR(dispdata->vidlayer->
GetSurface(dispdata->vidlayer, &data->surface));
dispdata->vidIDinuse = 1;
data->display = display;
398
return 0;
399
}
400
401
return 1;
error:
402
if (dispdata->vidlayer) {
403
SDL_DFB_RELEASE(data->surface);
404
405
SDL_DFB_CHECKERR(dispdata->vidlayer->
SetCooperativeLevel(dispdata->vidlayer,
406
DLSCL_ADMINISTRATIVE));
407
SDL_DFB_RELEASE(dispdata->vidlayer);
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
}
return 1;
}
static int
DirectFB_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_DFB_DEVICEDATA(display->device);
DirectFB_TextureData *data;
DFBResult ret;
DFBSurfaceDescription dsc;
SDL_DFB_CALLOC(data, 1, sizeof(*data));
texture->driverdata = data;
data->format = texture->format;
data->pitch = (texture->w * SDL_BYTESPERPIXEL(data->format));
if (DirectFB_AcquireVidLayer(renderer, texture) != 0) {
429
430
431
432
433
/* fill surface description */
dsc.flags =
DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
dsc.width = texture->w;
dsc.height = texture->h;
434
/* <1.2 Never use DSCAPS_VIDEOONLY here. It kills performance
435
* No DSCAPS_SYSTEMONLY either - let dfb decide
436
* 1.2: DSCAPS_SYSTEMONLY boosts performance by factor ~8
437
* Depends on other settings as well. Let dfb decide.
438
*/
439
dsc.caps = DSCAPS_PREMULTIPLIED;
440
#if 0
441
442
443
444
if (texture->access == SDL_TEXTUREACCESS_STREAMING)
dsc.caps |= DSCAPS_SYSTEMONLY;
else
dsc.caps |= DSCAPS_VIDEOONLY;
445
#endif
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
/* find the right pixelformat */
dsc.pixelformat = SDLToDFBPixelFormat(data->format);
if (dsc.pixelformat == DSPF_UNKNOWN) {
SDL_SetError("Unknown pixel format %d\n", data->format);
goto error;
}
data->pixels = NULL;
/* Create the surface */
SDL_DFB_CHECKERR(devdata->dfb->
CreateSurface(devdata->dfb, &dsc, &data->surface));
if (SDL_ISPIXELFORMAT_INDEXED(data->format)
&& !SDL_ISPIXELFORMAT_FOURCC(data->format)) {
SDL_DFB_CHECKERR(data->surface->
GetPalette(data->surface, &data->palette));
}
}
467
468
469
470
471
472
473
474
475
#if (DIRECTFB_MAJOR_VERSION == 1) && (DIRECTFB_MINOR_VERSION >= 2)
data->render_options = DSRO_NONE;
#endif
if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
data->pitch = texture->w * SDL_BYTESPERPIXEL(texture->format);
SDL_DFB_CALLOC(data->pixels, 1, texture->h * data->pitch);
}
476
477
478
479
480
481
482
483
484
485
486
487
488
return 0;
error:
SDL_DFB_RELEASE(data->palette);
SDL_DFB_RELEASE(data->surface);
SDL_DFB_FREE(texture->driverdata);
return -1;
}
static int
DirectFB_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
void **pixels, int *pitch)
{
489
490
DirectFB_TextureData *texturedata =
(DirectFB_TextureData *) texture->driverdata;
491
492
493
494
495
496
497
498
if (texturedata->display) {
return -1;
} else {
*pixels = texturedata->pixels;
*pitch = texturedata->pitch;
}
return 0;
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
}
static int
DirectFB_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Color * colors, int firstcolor,
int ncolors)
{
DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
DFBResult ret;
if (SDL_ISPIXELFORMAT_INDEXED(data->format)
&& !SDL_ISPIXELFORMAT_FOURCC(data->format)) {
DFBColor entries[256];
int i;
for (i = 0; i < ncolors; ++i) {
entries[i].r = colors[i].r;
entries[i].g = colors[i].g;
entries[i].b = colors[i].b;
entries[i].a = 0xFF;
}
SDL_DFB_CHECKERR(data->palette->
SetEntries(data->palette, entries, ncolors,
firstcolor));
return 0;
} else {
SDL_SetError("YUV textures don't have a palette");
return -1;
}
error:
return -1;
}
static int
DirectFB_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
SDL_Color * colors, int firstcolor, int ncolors)
{
DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
DFBResult ret;
if (SDL_ISPIXELFORMAT_INDEXED(data->format)
&& !SDL_ISPIXELFORMAT_FOURCC(data->format)) {
DFBColor entries[256];
int i;
SDL_DFB_CHECKERR(data->palette->
GetEntries(data->palette, entries, ncolors,
firstcolor));
for (i = 0; i < ncolors; ++i) {
colors[i].r = entries[i].r;
colors[i].g = entries[i].g;
colors[i].b = entries[i].b;
552
colors->unused = SDL_ALPHA_OPAQUE;
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
}
return 0;
} else {
SDL_SetError("YUV textures don't have a palette");
return -1;
}
error:
return -1;
}
static int
DirectFB_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
return 0;
}
static int
DirectFB_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
{
return 0;
}
static int
DirectFB_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
switch (texture->blendMode) {
case SDL_TEXTUREBLENDMODE_NONE:
case SDL_TEXTUREBLENDMODE_MASK:
case SDL_TEXTUREBLENDMODE_BLEND:
582
case SDL_TEXTUREBLENDMODE_ADD:
583
584
585
586
587
588
589
590
591
592
593
594
case SDL_TEXTUREBLENDMODE_MOD:
return 0;
default:
SDL_Unsupported();
texture->blendMode = SDL_TEXTUREBLENDMODE_NONE;
return -1;
}
}
static int
DirectFB_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
{
595
596
597
598
#if (DIRECTFB_MAJOR_VERSION == 1) && (DIRECTFB_MINOR_VERSION >= 2)
DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
599
600
601
switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST:
602
603
data->render_options = DSRO_NONE;
break;
604
case SDL_TEXTURESCALEMODE_SLOW:
605
606
data->render_options = DSRO_SMOOTH_UPSCALE | DSRO_SMOOTH_DOWNSCALE;
break;
607
case SDL_TEXTURESCALEMODE_BEST:
608
609
610
data->render_options =
DSRO_SMOOTH_UPSCALE | DSRO_SMOOTH_DOWNSCALE | DSRO_ANTIALIAS;
break;
611
612
default:
SDL_Unsupported();
613
data->render_options = DSRO_NONE;
614
615
616
texture->scaleMode = SDL_TEXTURESCALEMODE_NONE;
return -1;
}
617
#endif
618
619
620
621
622
623
624
625
return 0;
}
static int
DirectFB_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, const void *pixels, int pitch)
{
DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
626
627
DFBResult ret;
Uint8 *dpixels;
628
int dpitch;
629
630
631
632
633
Uint8 *src, *dst;
int row;
size_t length;
SDL_DFB_CHECKERR(data->surface->Lock(data->surface,
634
635
DSLF_WRITE | DSLF_READ,
((void **) &dpixels), &dpitch));
636
637
638
639
640
641
642
643
644
src = (Uint8 *) pixels;
dst =
(Uint8 *) dpixels + rect->y * dpitch +
rect->x * SDL_BYTESPERPIXEL(texture->format);
length = rect->w * SDL_BYTESPERPIXEL(texture->format);
for (row = 0; row < rect->h; ++row) {
SDL_memcpy(dst, src, length);
src += pitch;
dst += dpitch;
645
}
646
SDL_DFB_CHECKERR(data->surface->Unlock(data->surface));
647
return 0;
648
649
error:
return 1;
650
651
652
653
654
655
656
657
}
static int
DirectFB_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * rect, int markDirty, void **pixels,
int *pitch)
{
658
659
DirectFB_TextureData *texturedata =
(DirectFB_TextureData *) texture->driverdata;
660
661
DFBResult ret;
662
663
if (markDirty) {
SDL_AddDirtyRect(&texturedata->dirty, rect);
664
665
}
666
667
668
if (texturedata->display) {
void *fdata;
int fpitch;
669
670
671
672
673
674
675
676
677
678
679
680
681
SDL_DFB_CHECKERR(texturedata->surface->Lock(texturedata->surface,
DSLF_WRITE | DSLF_READ,
&fdata, &fpitch));
*pitch = fpitch;
*pixels = fdata;
} else {
*pixels =
(void *) ((Uint8 *) texturedata->pixels +
rect->y * texturedata->pitch +
rect->x * SDL_BYTESPERPIXEL(texture->format));
*pitch = texturedata->pitch;
}
682
return 0;
683
684
685
686
687
688
689
690
error:
return -1;
}
static void
DirectFB_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
691
692
DirectFB_TextureData *texturedata =
(DirectFB_TextureData *) texture->driverdata;
693
694
695
696
697
if (texturedata->display) {
texturedata->surface->Unlock(texturedata->surface);
texturedata->pixels = NULL;
}
698
699
700
701
702
703
}
static void
DirectFB_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
int numrects, const SDL_Rect * rects)
{
704
705
706
707
708
709
DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
int i;
for (i = 0; i < numrects; ++i) {
SDL_AddDirtyRect(&data->dirty, &rects[i]);
}
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
}
static int
DirectFB_RenderFill(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b,
Uint8 a, const SDL_Rect * rect)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
DFBResult ret;
SDL_DFB_CHECKERR(data->surface->SetColor(data->surface, r, g, b, a));
SDL_DFB_CHECKERR(data->surface->
FillRectangle(data->surface, rect->x, rect->y, rect->w,
rect->h));
return 0;
error:
return -1;
}
static int
DirectFB_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
DirectFB_TextureData *texturedata =
(DirectFB_TextureData *) texture->driverdata;
DFBResult ret;
738
if (texturedata->display) {
739
740
741
int px, py;
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
SDL_DFB_WINDOWDATA(window);
742
743
SDL_VideoDisplay *display = texturedata->display;
DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
744
745
746
SDL_DFB_CHECKERR(dispdata->vidlayer->
SetSourceRectangle(dispdata->vidlayer, srcrect->x,
747
748
749
srcrect->y, srcrect->w,
srcrect->h));
windata->window->GetPosition(windata->window, &px, &py);
750
751
SDL_DFB_CHECKERR(dispdata->vidlayer->
SetScreenRectangle(dispdata->vidlayer,
752
753
754
755
756
757
px + dstrect->x, py + dstrect->y,
dstrect->w, dstrect->h));
} else {
DFBRectangle sr, dr;
DFBSurfaceBlittingFlags flags = 0;
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
if (texturedata->dirty.list) {
SDL_DirtyRect *dirty;
void *pixels;
int bpp = SDL_BYTESPERPIXEL(texture->format);
int pitch = texturedata->pitch;
for (dirty = texturedata->dirty.list; dirty; dirty = dirty->next) {
SDL_Rect *rect = &dirty->rect;
pixels =
(void *) ((Uint8 *) texturedata->pixels +
rect->y * pitch + rect->x * bpp);
DirectFB_UpdateTexture(renderer, texture, rect,
texturedata->pixels,
texturedata->pitch);
}
SDL_ClearDirtyRects(&texturedata->dirty);
}
#if (DIRECTFB_MAJOR_VERSION == 1) && (DIRECTFB_MINOR_VERSION >= 2)
SDL_DFB_CHECKERR(data->surface->SetRenderOptions(data->surface,
texturedata->
render_options));
#endif
780
781
782
SDLtoDFBRect(srcrect, &sr);
SDLtoDFBRect(dstrect, &dr);
783
784
785
786
if (texture->
modMode & (SDL_TEXTUREMODULATE_COLOR | SDL_TEXTUREMODULATE_ALPHA))
{
787
788
Uint8 alpha = 0xFF;
if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA) {
789
alpha = texture->a;
790
791
792
793
794
flags |= DSBLIT_SRC_PREMULTCOLOR;
SDL_DFB_CHECKERR(data->surface->SetColor(data->surface, 0xFF,
0xFF, 0xFF, alpha));
}
if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
795
796
797
SDL_DFB_CHECKERR(data->surface->
SetColor(data->surface, texture->r,
texture->g, texture->b, alpha));
798
799
800
/* Only works together .... */
flags |= DSBLIT_COLORIZE | DSBLIT_SRC_PREMULTCOLOR;
}
801
802
}
803
switch (texture->blendMode) {
804
case SDL_TEXTUREBLENDMODE_NONE:
805
/**< No blending */
806
flags |= DSBLIT_NOFX;
807
808
809
data->surface->SetSrcBlendFunction(data->surface, DSBF_ONE);
data->surface->SetDstBlendFunction(data->surface, DSBF_ZERO);
break;
810
case SDL_TEXTUREBLENDMODE_MASK:
811
812
813
814
815
flags |= DSBLIT_BLEND_ALPHACHANNEL;
data->surface->SetSrcBlendFunction(data->surface, DSBF_SRCALPHA);
data->surface->SetDstBlendFunction(data->surface,
DSBF_INVSRCALPHA);
break;
816
case SDL_TEXTUREBLENDMODE_BLEND:
817
818
819
820
821
flags |= DSBLIT_BLEND_ALPHACHANNEL;
data->surface->SetSrcBlendFunction(data->surface, DSBF_SRCALPHA);
data->surface->SetDstBlendFunction(data->surface,
DSBF_INVSRCALPHA);
break;
822
case SDL_TEXTUREBLENDMODE_ADD:
823
824
825
826
flags |= DSBLIT_BLEND_ALPHACHANNEL;
data->surface->SetSrcBlendFunction(data->surface, DSBF_SRCALPHA);
data->surface->SetDstBlendFunction(data->surface, DSBF_ONE);
break;
827
case SDL_TEXTUREBLENDMODE_MOD:
828
829
830
831
flags |= DSBLIT_BLEND_ALPHACHANNEL;
data->surface->SetSrcBlendFunction(data->surface, DSBF_DESTCOLOR);
data->surface->SetDstBlendFunction(data->surface, DSBF_ZERO);
break;
832
}
833
834
835
SDL_DFB_CHECKERR(data->surface->
SetBlittingFlags(data->surface, flags));
836
837
838
if (srcrect->w == dstrect->w && srcrect->h == dstrect->h) {
SDL_DFB_CHECKERR(data->surface->
839
840
Blit(data->surface, texturedata->surface,
&sr, dr.x, dr.y));
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
} else {
SDL_DFB_CHECKERR(data->surface->
StretchBlit(data->surface, texturedata->surface,
&sr, &dr));
}
}
return 0;
error:
return -1;
}
static void
DirectFB_RenderPresent(SDL_Renderer * renderer)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
SDL_Window *window = SDL_GetWindowFromID(renderer->window);
DFBRectangle sr;
DFBResult ret;
sr.x = 0;
sr.y = 0;
sr.w = window->w;
sr.h = window->h;
/* Send the data to the display */
SDL_DFB_CHECKERR(data->surface->
868
Flip(data->surface, NULL, data->flipflags));
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
return;
error:
return;
}
static void
DirectFB_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
if (!data) {
return;
}
SDL_DFB_RELEASE(data->palette);
SDL_DFB_RELEASE(data->surface);
885
if (data->display) {
886
887
888
889
890
891
DFB_DisplayData *dispdata =
(DFB_DisplayData *) data->display->driverdata;
dispdata->vidIDinuse = 0;
dispdata->vidlayer->SetCooperativeLevel(dispdata->vidlayer,
DLSCL_ADMINISTRATIVE);
SDL_DFB_RELEASE(dispdata->vidlayer);
892
}
893
894
SDL_FreeDirtyRects(&data->dirty);
SDL_DFB_FREE(data->pixels);
895
896
897
898
899
900
901
902
903
904
SDL_free(data);
texture->driverdata = NULL;
}
static void
DirectFB_DestroyRenderer(SDL_Renderer * renderer)
{
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
if (data) {
905
SDL_DFB_RELEASE(data->surface);
906
907
908
909
910
911
SDL_free(data);
}
SDL_free(renderer);
}
/* vi: set ts=4 sw=4 expandtab: */