summaryrefslogtreecommitdiff
path: root/gfx/2d/Factory.cpp
blob: 5bec8e9ad866094428d8e92cd9cf0cf12edb584d (plain)
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
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "2D.h"

#ifdef USE_CAIRO
#include "DrawTargetCairo.h"
#include "ScaledFontCairo.h"
#include "SourceSurfaceCairo.h"
#endif

#ifdef USE_SKIA
#include "DrawTargetSkia.h"
#include "ScaledFontBase.h"
#ifdef MOZ_ENABLE_FREETYPE
#define USE_SKIA_FREETYPE
#include "ScaledFontCairo.h"
#endif
#endif

#if defined(WIN32)
#include "ScaledFontWin.h"
#include "NativeFontResourceGDI.h"
#endif

#ifdef MOZ_WIDGET_GTK
#include "ScaledFontFontconfig.h"
#endif

#ifdef WIN32
#include "DrawTargetD2D1.h"
#include "ScaledFontDWrite.h"
#include "NativeFontResourceDWrite.h"
#include <d3d10_1.h>
#include "HelpersD2D.h"
#endif

#include "DrawTargetDual.h"
#include "DrawTargetTiled.h"
#include "DrawTargetRecording.h"

#include "SourceSurfaceRawData.h"

#include "DrawEventRecorder.h"

#include "Logging.h"

#include "mozilla/CheckedInt.h"

#if defined(MOZ_LOGGING)
GFX2D_API mozilla::LogModule*
GetGFX2DLog()
{
  static mozilla::LazyLogModule sLog("gfx2d");
  return sLog;
}
#endif

// The following code was largely taken from xpcom/glue/SSE.cpp and
// made a little simpler.
enum CPUIDRegister { eax = 0, ebx = 1, ecx = 2, edx = 3 };

#ifdef HAVE_CPUID_H

#if !(defined(__SSE2__) || defined(_M_X64) || \
     (defined(_M_IX86_FP) && _M_IX86_FP >= 2))
// cpuid.h is available on gcc 4.3 and higher on i386 and x86_64
#include <cpuid.h>

static inline bool
HasCPUIDBit(unsigned int level, CPUIDRegister reg, unsigned int bit)
{
  unsigned int regs[4];
  return __get_cpuid(level, &regs[0], &regs[1], &regs[2], &regs[3]) &&
         (regs[reg] & bit);
}
#endif

#define HAVE_CPU_DETECTION
#else

#if defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_AMD64))
// MSVC 2005 or later supports __cpuid by intrin.h
#include <intrin.h>

#define HAVE_CPU_DETECTION
#elif defined(__SUNPRO_CC) && (defined(__i386) || defined(__x86_64__))

// Define a function identical to MSVC function.
#ifdef __i386
static void
__cpuid(int CPUInfo[4], int InfoType)
{
  asm (
    "xchg %esi, %ebx\n"
    "cpuid\n"
    "movl %eax, (%edi)\n"
    "movl %ebx, 4(%edi)\n"
    "movl %ecx, 8(%edi)\n"
    "movl %edx, 12(%edi)\n"
    "xchg %esi, %ebx\n"
    :
    : "a"(InfoType), // %eax
      "D"(CPUInfo) // %edi
    : "%ecx", "%edx", "%esi"
  );
}
#else
static void
__cpuid(int CPUInfo[4], int InfoType)
{
  asm (
    "xchg %rsi, %rbx\n"
    "cpuid\n"
    "movl %eax, (%rdi)\n"
    "movl %ebx, 4(%rdi)\n"
    "movl %ecx, 8(%rdi)\n"
    "movl %edx, 12(%rdi)\n"
    "xchg %rsi, %rbx\n"
    :
    : "a"(InfoType), // %eax
      "D"(CPUInfo) // %rdi
    : "%ecx", "%edx", "%rsi"
  );
}

#define HAVE_CPU_DETECTION
#endif
#endif

#ifdef HAVE_CPU_DETECTION
static inline bool
HasCPUIDBit(unsigned int level, CPUIDRegister reg, unsigned int bit)
{
  // Check that the level in question is supported.
  volatile int regs[4];
  __cpuid((int *)regs, level & 0x80000000u);
  if (unsigned(regs[0]) < level)
    return false;
  __cpuid((int *)regs, level);
  return !!(unsigned(regs[reg]) & bit);
}
#endif
#endif

namespace mozilla {
namespace gfx {

// In Gecko, this value is managed by gfx.logging.level in gfxPrefs.
int32_t LoggingPrefs::sGfxLogLevel = LOG_DEFAULT;

#ifdef WIN32
ID3D11Device *Factory::mD3D11Device = nullptr;
ID2D1Device *Factory::mD2D1Device = nullptr;
IDWriteFactory *Factory::mDWriteFactory = nullptr;
#endif

DrawEventRecorder *Factory::mRecorder;

mozilla::gfx::Config* Factory::sConfig = nullptr;

void
Factory::Init(const Config& aConfig)
{
  MOZ_ASSERT(!sConfig);
  sConfig = new Config(aConfig);

  // Make sure we don't completely break rendering because of a typo in the
  // pref or whatnot.
  const int32_t kMinAllocPref = 10000000;
  const int32_t kMinSizePref = 2048;
  if (sConfig->mMaxAllocSize < kMinAllocPref) {
    sConfig->mMaxAllocSize = kMinAllocPref;
  }
  if (sConfig->mMaxTextureSize < kMinSizePref) {
    sConfig->mMaxTextureSize = kMinSizePref;
  }
}

void
Factory::ShutDown()
{
  if (sConfig) {
    delete sConfig->mLogForwarder;
    delete sConfig;
    sConfig = nullptr;
  }
}

bool
Factory::HasSSE2()
{
#if defined(__SSE2__) || defined(_M_X64) || \
    (defined(_M_IX86_FP) && _M_IX86_FP >= 2)
  // gcc with -msse2 (default on OSX and x86-64)
  // cl.exe with -arch:SSE2 (default on x64 compiler)
  return true;
#elif defined(HAVE_CPU_DETECTION)
  static enum {
    UNINITIALIZED,
    NO_SSE2,
    HAS_SSE2
  } sDetectionState = UNINITIALIZED;

  if (sDetectionState == UNINITIALIZED) {
    sDetectionState = HasCPUIDBit(1u, edx, (1u<<26)) ? HAS_SSE2 : NO_SSE2;
  }
  return sDetectionState == HAS_SSE2;
#else
  return false;
#endif
}

// If the size is "reasonable", we want gfxCriticalError to assert, so
// this is the option set up for it.
inline int LoggerOptionsBasedOnSize(const IntSize& aSize)
{
  return CriticalLog::DefaultOptions(Factory::ReasonableSurfaceSize(aSize));
}

bool
Factory::ReasonableSurfaceSize(const IntSize &aSize)
{
  return Factory::CheckSurfaceSize(aSize, 8192);
}

bool
Factory::AllowedSurfaceSize(const IntSize &aSize)
{
  if (sConfig) {
    return Factory::CheckSurfaceSize(aSize,
                                     sConfig->mMaxTextureSize,
                                     sConfig->mMaxAllocSize);
  }

  return CheckSurfaceSize(aSize);
}

bool
Factory::CheckBufferSize(int32_t bufSize)
{
  return !sConfig || bufSize < sConfig->mMaxAllocSize;
}

bool
Factory::CheckSurfaceSize(const IntSize &sz,
                          int32_t extentLimit,
                          int32_t allocLimit)
{
  if (sz.width <= 0 || sz.height <= 0) {
    gfxDebug() << "Surface width or height <= 0!";
    return false;
  }

  // reject images with sides bigger than limit
  if (extentLimit && (sz.width > extentLimit || sz.height > extentLimit)) {
    gfxDebug() << "Surface size too large (exceeds extent limit)!";
    return false;
  }

  // assuming 4 bytes per pixel, make sure the allocation size
  // doesn't overflow a int32_t either
  CheckedInt<int32_t> stride = GetAlignedStride<16>(sz.width, 4);
  if (!stride.isValid() || stride.value() == 0) {
    gfxDebug() << "Surface size too large (stride overflows int32_t)!";
    return false;
  }

  CheckedInt<int32_t> numBytes = stride * sz.height;
  if (!numBytes.isValid()) {
    gfxDebug() << "Surface size too large (allocation size would overflow int32_t)!";
    return false;
  }

  if (allocLimit && allocLimit < numBytes.value()) {
    gfxDebug() << "Surface size too large (exceeds allocation limit)!";
    return false;
  }

  return true;
}

already_AddRefed<DrawTarget>
Factory::CreateDrawTarget(BackendType aBackend, const IntSize &aSize, SurfaceFormat aFormat)
{
  if (!AllowedSurfaceSize(aSize)) {
    gfxCriticalError(LoggerOptionsBasedOnSize(aSize)) << "Failed to allocate a surface due to invalid size (CDT) " << aSize;
    return nullptr;
  }

  RefPtr<DrawTarget> retVal;
  switch (aBackend) {
#ifdef WIN32
  case BackendType::DIRECT2D1_1:
    {
      RefPtr<DrawTargetD2D1> newTarget;
      newTarget = new DrawTargetD2D1();
      if (newTarget->Init(aSize, aFormat)) {
        retVal = newTarget;
      }
      break;
    }
#endif
#ifdef USE_SKIA
  case BackendType::SKIA:
    {
      RefPtr<DrawTargetSkia> newTarget;
      newTarget = new DrawTargetSkia();
      if (newTarget->Init(aSize, aFormat)) {
        retVal = newTarget;
      }
      break;
    }
#endif
#ifdef USE_CAIRO
  case BackendType::CAIRO:
    {
      RefPtr<DrawTargetCairo> newTarget;
      newTarget = new DrawTargetCairo();
      if (newTarget->Init(aSize, aFormat)) {
        retVal = newTarget;
      }
      break;
    }
#endif
  default:
    return nullptr;
  }

  if (mRecorder && retVal) {
    return MakeAndAddRef<DrawTargetRecording>(mRecorder, retVal);
  }

  if (!retVal) {
    // Failed
    gfxCriticalError(LoggerOptionsBasedOnSize(aSize)) << "Failed to create DrawTarget, Type: " << int(aBackend) << " Size: " << aSize;
  }

  return retVal.forget();
}

already_AddRefed<DrawTarget>
Factory::CreateRecordingDrawTarget(DrawEventRecorder *aRecorder, DrawTarget *aDT)
{
  return MakeAndAddRef<DrawTargetRecording>(aRecorder, aDT);
}

already_AddRefed<DrawTarget>
Factory::CreateDrawTargetForData(BackendType aBackend,
                                 unsigned char *aData,
                                 const IntSize &aSize,
                                 int32_t aStride,
                                 SurfaceFormat aFormat,
                                 bool aUninitialized)
{
  MOZ_ASSERT(aData);
  if (!AllowedSurfaceSize(aSize)) {
    gfxCriticalError(LoggerOptionsBasedOnSize(aSize)) << "Failed to allocate a surface due to invalid size (DTD) " << aSize;
    return nullptr;
  }

  RefPtr<DrawTarget> retVal;

  switch (aBackend) {
#ifdef USE_SKIA
  case BackendType::SKIA:
    {
      RefPtr<DrawTargetSkia> newTarget;
      newTarget = new DrawTargetSkia();
      if (newTarget->Init(aData, aSize, aStride, aFormat, aUninitialized)) {
        retVal = newTarget;
      }
      break;
    }
#endif
#ifdef USE_CAIRO
  case BackendType::CAIRO:
    {
      RefPtr<DrawTargetCairo> newTarget;
      newTarget = new DrawTargetCairo();
      if (newTarget->Init(aData, aSize, aStride, aFormat)) {
        retVal = newTarget.forget();
      }
      break;
    }
#endif
  default:
    gfxCriticalNote << "Invalid draw target type specified: " << (int)aBackend;
    return nullptr;
  }

  if (mRecorder && retVal) {
    return MakeAndAddRef<DrawTargetRecording>(mRecorder, retVal, true);
  }

  if (!retVal) {
    gfxCriticalNote << "Failed to create DrawTarget, Type: " << int(aBackend) << " Size: " << aSize << ", Data: " << hexa((void *)aData) << ", Stride: " << aStride;
  }

  return retVal.forget();
}

already_AddRefed<DrawTarget>
Factory::CreateTiledDrawTarget(const TileSet& aTileSet)
{
  RefPtr<DrawTargetTiled> dt = new DrawTargetTiled();

  if (!dt->Init(aTileSet)) {
    return nullptr;
  }

  return dt.forget();
}

bool
Factory::DoesBackendSupportDataDrawtarget(BackendType aType)
{
  switch (aType) {
  case BackendType::DIRECT2D:
  case BackendType::DIRECT2D1_1:
  case BackendType::RECORDING:
  case BackendType::NONE:
  case BackendType::BACKEND_LAST:
    return false;
  case BackendType::CAIRO:
  case BackendType::SKIA:
    return true;
  }

  return false;
}

uint32_t
Factory::GetMaxSurfaceSize(BackendType aType)
{
  switch (aType) {
  case BackendType::CAIRO:
    return DrawTargetCairo::GetMaxSurfaceSize();
#ifdef USE_SKIA
  case BackendType::SKIA:
    return DrawTargetSkia::GetMaxSurfaceSize();
#endif
#ifdef WIN32
  case BackendType::DIRECT2D1_1:
    return DrawTargetD2D1::GetMaxSurfaceSize();
#endif
  default:
    return 0;
  }
}

already_AddRefed<ScaledFont>
Factory::CreateScaledFontForNativeFont(const NativeFont &aNativeFont, Float aSize)
{
  switch (aNativeFont.mType) {
#ifdef WIN32
  case NativeFontType::DWRITE_FONT_FACE:
    {
      return MakeAndAddRef<ScaledFontDWrite>(static_cast<IDWriteFontFace*>(aNativeFont.mFont), aSize);
    }
#if defined(USE_CAIRO) || defined(USE_SKIA)
  case NativeFontType::GDI_FONT_FACE:
    {
      return MakeAndAddRef<ScaledFontWin>(static_cast<LOGFONT*>(aNativeFont.mFont), aSize);
    }
#endif
#endif
#if defined(USE_CAIRO) || defined(USE_SKIA_FREETYPE)
  case NativeFontType::CAIRO_FONT_FACE:
    {
      return MakeAndAddRef<ScaledFontCairo>(static_cast<cairo_scaled_font_t*>(aNativeFont.mFont), aSize);
    }
#endif
  default:
    gfxWarning() << "Invalid native font type specified.";
    return nullptr;
  }
}

already_AddRefed<NativeFontResource>
Factory::CreateNativeFontResource(uint8_t *aData, uint32_t aSize,
                                  FontType aType)
{
  switch (aType) {
#ifdef WIN32
  case FontType::DWRITE:
    {
      return NativeFontResourceDWrite::Create(aData, aSize,
                                              /* aNeedsCairo = */ false);
    }
#endif
  case FontType::CAIRO:
#ifdef USE_SKIA
  case FontType::SKIA:
#endif
    {
#ifdef WIN32
      if (GetDWriteFactory()) {
        return NativeFontResourceDWrite::Create(aData, aSize,
                                                /* aNeedsCairo = */ true);
      } else {
        return NativeFontResourceGDI::Create(aData, aSize,
                                             /* aNeedsCairo = */ true);
      }
#else
      gfxWarning() << "Unable to create cairo scaled font from truetype data";
      return nullptr;
#endif
    }
  default:
    gfxWarning() << "Unable to create requested font resource from truetype data";
    return nullptr;
  }
}

already_AddRefed<ScaledFont>
Factory::CreateScaledFontWithCairo(const NativeFont& aNativeFont, Float aSize, cairo_scaled_font_t* aScaledFont)
{
#ifdef USE_CAIRO
  // In theory, we could pull the NativeFont out of the cairo_scaled_font_t*,
  // but that would require a lot of code that would be otherwise repeated in
  // various backends.
  // Therefore, we just reuse CreateScaledFontForNativeFont's implementation.
  RefPtr<ScaledFont> font = CreateScaledFontForNativeFont(aNativeFont, aSize);
  static_cast<ScaledFontBase*>(font.get())->SetCairoScaledFont(aScaledFont);
  return font.forget();
#else
  return nullptr;
#endif
}

#ifdef MOZ_WIDGET_GTK
already_AddRefed<ScaledFont>
Factory::CreateScaledFontForFontconfigFont(cairo_scaled_font_t* aScaledFont, FcPattern* aPattern, Float aSize)
{
  return MakeAndAddRef<ScaledFontFontconfig>(aScaledFont, aPattern, aSize);
}
#endif

already_AddRefed<DrawTarget>
Factory::CreateDualDrawTarget(DrawTarget *targetA, DrawTarget *targetB)
{
  MOZ_ASSERT(targetA && targetB);

  RefPtr<DrawTarget> newTarget =
    new DrawTargetDual(targetA, targetB);

  RefPtr<DrawTarget> retVal = newTarget;

  if (mRecorder) {
    retVal = new DrawTargetRecording(mRecorder, retVal);
  }

  return retVal.forget();
}


#ifdef WIN32
already_AddRefed<DrawTarget>
Factory::CreateDrawTargetForD3D11Texture(ID3D11Texture2D *aTexture, SurfaceFormat aFormat)
{
  MOZ_ASSERT(aTexture);

  RefPtr<DrawTargetD2D1> newTarget;

  newTarget = new DrawTargetD2D1();
  if (newTarget->Init(aTexture, aFormat)) {
    RefPtr<DrawTarget> retVal = newTarget;

    if (mRecorder) {
      retVal = new DrawTargetRecording(mRecorder, retVal, true);
    }

    return retVal.forget();
  }

  gfxWarning() << "Failed to create draw target for D3D11 texture.";

  // Failed
  return nullptr;
}

bool
Factory::SetDWriteFactory(IDWriteFactory *aFactory)
{
  mDWriteFactory = aFactory;
  return true;
}

bool
Factory::SetDirect3D11Device(ID3D11Device *aDevice)
{
  mD3D11Device = aDevice;

  if (mD2D1Device) {
    mD2D1Device->Release();
    mD2D1Device = nullptr;
  }

  if (!aDevice) {
    return true;
  }

  RefPtr<ID2D1Factory1> factory = D2DFactory1();

  RefPtr<IDXGIDevice> device;
  aDevice->QueryInterface((IDXGIDevice**)getter_AddRefs(device));
  HRESULT hr = factory->CreateDevice(device, &mD2D1Device);
  if (FAILED(hr)) {
    gfxCriticalError() << "[D2D1] Failed to create gfx factory's D2D1 device, code: " << hexa(hr);

    mD3D11Device = nullptr;
    return false;
  }

  return true;
}

ID3D11Device*
Factory::GetDirect3D11Device()
{
  return mD3D11Device;
}

ID2D1Device*
Factory::GetD2D1Device()
{
  return mD2D1Device;
}

IDWriteFactory*
Factory::GetDWriteFactory()
{
  return mDWriteFactory;
}

bool
Factory::SupportsD2D1()
{
  return !!D2DFactory1();
}

already_AddRefed<GlyphRenderingOptions>
Factory::CreateDWriteGlyphRenderingOptions(IDWriteRenderingParams *aParams)
{
  return MakeAndAddRef<GlyphRenderingOptionsDWrite>(aParams);
}

uint64_t
Factory::GetD2DVRAMUsageDrawTarget()
{
  return DrawTargetD2D1::mVRAMUsageDT;
}

uint64_t
Factory::GetD2DVRAMUsageSourceSurface()
{
  return DrawTargetD2D1::mVRAMUsageSS;
}

void
Factory::D2DCleanup()
{
  if (mD2D1Device) {
    mD2D1Device->Release();
    mD2D1Device = nullptr;
  }
  DrawTargetD2D1::CleanupD2D();
}

already_AddRefed<ScaledFont>
Factory::CreateScaledFontForDWriteFont(IDWriteFontFace* aFontFace,
                                       const gfxFontStyle* aStyle,
                                       float aSize,
                                       bool aUseEmbeddedBitmap,
                                       bool aForceGDIMode)
{
  return MakeAndAddRef<ScaledFontDWrite>(aFontFace, aSize,
                                         aUseEmbeddedBitmap, aForceGDIMode,
                                         aStyle);
}

#endif // XP_WIN

#ifdef USE_SKIA_GPU
already_AddRefed<DrawTarget>
Factory::CreateDrawTargetSkiaWithGrContext(GrContext* aGrContext,
                                           const IntSize &aSize,
                                           SurfaceFormat aFormat)
{
  RefPtr<DrawTarget> newTarget = new DrawTargetSkia();
  if (!newTarget->InitWithGrContext(aGrContext, aSize, aFormat)) {
    return nullptr;
  }
  return newTarget.forget();
}

#endif // USE_SKIA_GPU

#ifdef USE_SKIA
already_AddRefed<DrawTarget>
Factory::CreateDrawTargetWithSkCanvas(SkCanvas* aCanvas)
{
  RefPtr<DrawTargetSkia> newTarget = new DrawTargetSkia();
  if (!newTarget->Init(aCanvas)) {
    return nullptr;
  }
  return newTarget.forget();
}
#endif

void
Factory::PurgeAllCaches()
{
}

already_AddRefed<DrawTarget>
Factory::CreateDrawTargetForCairoSurface(cairo_surface_t* aSurface, const IntSize& aSize, SurfaceFormat* aFormat)
{
  if (!AllowedSurfaceSize(aSize)) {
    gfxWarning() << "Allowing surface with invalid size (Cairo) " << aSize;
  }

  RefPtr<DrawTarget> retVal;

#ifdef USE_CAIRO
  RefPtr<DrawTargetCairo> newTarget = new DrawTargetCairo();

  if (newTarget->Init(aSurface, aSize, aFormat)) {
    retVal = newTarget;
  }

  if (mRecorder && retVal) {
    return MakeAndAddRef<DrawTargetRecording>(mRecorder, retVal, true);
  }
#endif
  return retVal.forget();
}

already_AddRefed<SourceSurface>
Factory::CreateSourceSurfaceForCairoSurface(cairo_surface_t* aSurface, const IntSize& aSize, SurfaceFormat aFormat)
{
  if (aSize.width <= 0 || aSize.height <= 0) {
    gfxWarning() << "Can't create a SourceSurface without a valid size";
    return nullptr;
  }

#ifdef USE_CAIRO
  return MakeAndAddRef<SourceSurfaceCairo>(aSurface, aSize, aFormat);
#else
  return nullptr;
#endif
}

already_AddRefed<DataSourceSurface>
Factory::CreateWrappingDataSourceSurface(uint8_t *aData,
                                         int32_t aStride,
                                         const IntSize &aSize,
                                         SurfaceFormat aFormat,
                                         SourceSurfaceDeallocator aDeallocator /* = nullptr */,
                                         void* aClosure /* = nullptr */)
{
  // Just check for negative/zero size instead of the full AllowedSurfaceSize() - since
  // the data is already allocated we do not need to check for a possible overflow - it
  // already worked.
  if (aSize.width <= 0 || aSize.height <= 0) {
    return nullptr;
  }
  if (!aDeallocator && aClosure) {
    return nullptr;
  }

  MOZ_ASSERT(aData);

  RefPtr<SourceSurfaceRawData> newSurf = new SourceSurfaceRawData();
  newSurf->InitWrappingData(aData, aSize, aStride, aFormat, aDeallocator, aClosure);

  return newSurf.forget();
}

already_AddRefed<DataSourceSurface>
Factory::CreateDataSourceSurface(const IntSize &aSize,
                                 SurfaceFormat aFormat,
                                 bool aZero)
{
  if (!AllowedSurfaceSize(aSize)) {
    gfxCriticalError(LoggerOptionsBasedOnSize(aSize)) << "Failed to allocate a surface due to invalid size (DSS) " << aSize;
    return nullptr;
  }

  // Skia doesn't support RGBX, so memset RGBX to 0xFF
  bool clearSurface = aZero || aFormat == SurfaceFormat::B8G8R8X8;
  uint8_t clearValue = aFormat == SurfaceFormat::B8G8R8X8 ? 0xFF : 0;

  RefPtr<SourceSurfaceAlignedRawData> newSurf = new SourceSurfaceAlignedRawData();
  if (newSurf->Init(aSize, aFormat, clearSurface, clearValue)) {
    return newSurf.forget();
  }

  gfxWarning() << "CreateDataSourceSurface failed in init";
  return nullptr;
}

already_AddRefed<DataSourceSurface>
Factory::CreateDataSourceSurfaceWithStride(const IntSize &aSize,
                                           SurfaceFormat aFormat,
                                           int32_t aStride,
                                           bool aZero)
{
  if (!AllowedSurfaceSize(aSize) ||
      aStride < aSize.width * BytesPerPixel(aFormat)) {
    gfxCriticalError(LoggerOptionsBasedOnSize(aSize)) << "CreateDataSourceSurfaceWithStride failed with bad stride " << aStride << ", " << aSize << ", " << aFormat;
    return nullptr;
  }

  // Skia doesn't support RGBX, so memset RGBX to 0xFF
  bool clearSurface = aZero || aFormat == SurfaceFormat::B8G8R8X8;
  uint8_t clearValue = aFormat == SurfaceFormat::B8G8R8X8 ? 0xFF : 0;

  RefPtr<SourceSurfaceAlignedRawData> newSurf = new SourceSurfaceAlignedRawData();
  if (newSurf->Init(aSize, aFormat, clearSurface, clearValue, aStride)) {
    return newSurf.forget();
  }

  gfxCriticalError(LoggerOptionsBasedOnSize(aSize)) << "CreateDataSourceSurfaceWithStride failed to initialize " << aSize << ", " << aFormat << ", " << aStride << ", " << aZero;
  return nullptr;
}

static uint16_t
PackRGB565(uint8_t r, uint8_t g, uint8_t b)
{
  uint16_t pixel = ((r << 11) & 0xf800) |
                   ((g <<  5) & 0x07e0) |
                   ((b      ) & 0x001f);

  return pixel;
}

void
Factory::CopyDataSourceSurface(DataSourceSurface* aSource,
                               DataSourceSurface* aDest)
{
  // Don't worry too much about speed.
  MOZ_ASSERT(aSource->GetSize() == aDest->GetSize());
  MOZ_ASSERT(aSource->GetFormat() == SurfaceFormat::R8G8B8A8 ||
             aSource->GetFormat() == SurfaceFormat::R8G8B8X8 ||
             aSource->GetFormat() == SurfaceFormat::B8G8R8A8 ||
             aSource->GetFormat() == SurfaceFormat::B8G8R8X8);
  MOZ_ASSERT(aDest->GetFormat() == SurfaceFormat::R8G8B8A8 ||
             aDest->GetFormat() == SurfaceFormat::R8G8B8X8 ||
             aDest->GetFormat() == SurfaceFormat::B8G8R8A8 ||
             aDest->GetFormat() == SurfaceFormat::B8G8R8X8 ||
             aDest->GetFormat() == SurfaceFormat::R5G6B5_UINT16);

  const bool isSrcBGR = aSource->GetFormat() == SurfaceFormat::B8G8R8A8 ||
                        aSource->GetFormat() == SurfaceFormat::B8G8R8X8;
  const bool isDestBGR = aDest->GetFormat() == SurfaceFormat::B8G8R8A8 ||
                         aDest->GetFormat() == SurfaceFormat::B8G8R8X8;
  const bool needsSwap02 = isSrcBGR != isDestBGR;

  const bool srcHasAlpha = aSource->GetFormat() == SurfaceFormat::R8G8B8A8 ||
                           aSource->GetFormat() == SurfaceFormat::B8G8R8A8;
  const bool destHasAlpha = aDest->GetFormat() == SurfaceFormat::R8G8B8A8 ||
                            aDest->GetFormat() == SurfaceFormat::B8G8R8A8;
  const bool needsAlphaMask = !srcHasAlpha && destHasAlpha;

  const bool needsConvertTo16Bits = aDest->GetFormat() == SurfaceFormat::R5G6B5_UINT16;

  DataSourceSurface::MappedSurface srcMap;
  DataSourceSurface::MappedSurface destMap;
  if (!aSource->Map(DataSourceSurface::MapType::READ, &srcMap) ||
    !aDest->Map(DataSourceSurface::MapType::WRITE, &destMap)) {
    MOZ_ASSERT(false, "CopyDataSourceSurface: Failed to map surface.");
    return;
  }

  MOZ_ASSERT(srcMap.mStride >= 0);
  MOZ_ASSERT(destMap.mStride >= 0);

  const size_t srcBPP = BytesPerPixel(aSource->GetFormat());
  const size_t srcRowBytes = aSource->GetSize().width * srcBPP;
  const size_t srcRowHole = srcMap.mStride - srcRowBytes;

  const size_t destBPP = BytesPerPixel(aDest->GetFormat());
  const size_t destRowBytes = aDest->GetSize().width * destBPP;
  const size_t destRowHole = destMap.mStride - destRowBytes;

  uint8_t* srcRow = srcMap.mData;
  uint8_t* destRow = destMap.mData;
  const size_t rows = aSource->GetSize().height;
  for (size_t i = 0; i < rows; i++) {
    const uint8_t* srcRowEnd = srcRow + srcRowBytes;

    while (srcRow != srcRowEnd) {
      uint8_t d0 = needsSwap02 ? srcRow[2] : srcRow[0];
      uint8_t d1 = srcRow[1];
      uint8_t d2 = needsSwap02 ? srcRow[0] : srcRow[2];
      uint8_t d3 = needsAlphaMask ? 0xff : srcRow[3];

      if (needsConvertTo16Bits) {
        *(uint16_t*)destRow = PackRGB565(d0, d1, d2);
      } else {
        destRow[0] = d0;
        destRow[1] = d1;
        destRow[2] = d2;
        destRow[3] = d3;
      }
      srcRow += srcBPP;
      destRow += destBPP;
    }

    srcRow += srcRowHole;
    destRow += destRowHole;
  }

  aSource->Unmap();
  aDest->Unmap();
}

already_AddRefed<DrawEventRecorder>
Factory::CreateEventRecorderForFile(const char *aFilename)
{
  return MakeAndAddRef<DrawEventRecorderFile>(aFilename);
}

void
Factory::SetGlobalEventRecorder(DrawEventRecorder *aRecorder)
{
  mRecorder = aRecorder;
}

// static
void
CriticalLogger::OutputMessage(const std::string &aString,
                              int aLevel, bool aNoNewline)
{
  if (Factory::GetLogForwarder()) {
    Factory::GetLogForwarder()->Log(aString);
  }

  BasicLogger::OutputMessage(aString, aLevel, aNoNewline);
}

void
CriticalLogger::CrashAction(LogReason aReason)
{
  if (Factory::GetLogForwarder()) {
    Factory::GetLogForwarder()->CrashAction(aReason);
  }
}

} // namespace gfx
} // namespace mozilla