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0017-Bug-740194-SkMemory-mozalloc.patch (2114B)


      1 commit 5786f516119bcb677510f3c9256b870c3b5616c8
      2 Author: George Wright <gwright@mozilla.com>
      3 Date:   Wed Aug 15 23:51:34 2012 -0400
      4 
      5    Bug 740194 - [Skia] Implement a version of SkMemory for Mozilla that uses the infallible mozalloc allocators r=cjones
      6 
      7 diff --git a/gfx/skia/include/config/SkUserConfig.h b/gfx/skia/include/config/SkUserConfig.h
      8 index f98ba85..17be191 100644
      9 --- a/gfx/skia/include/config/SkUserConfig.h
     10 +++ b/gfx/skia/include/config/SkUserConfig.h
     11 @@ -35,6 +35,16 @@
     12     commented out, so including it will have no effect.
     13 */
     14 
     15 +/*
     16 +    Override new/delete with Mozilla's allocator, mozalloc
     17 +
     18 +    Ideally we shouldn't need to do this here, but until
     19 +    http://code.google.com/p/skia/issues/detail?id=598 is fixed
     20 +    we need to include this here to override operator new and delete
     21 +*/
     22 +
     23 +#include "mozilla/mozalloc.h"
     24 +
     25 ///////////////////////////////////////////////////////////////////////////////
     26 
     27 /*  Scalars (the fractional value type in skia) can be implemented either as
     28 diff --git a/gfx/skia/src/ports/SkMemory_mozalloc.cpp b/gfx/skia/src/ports/SkMemory_mozalloc.cpp
     29 new file mode 100644
     30 index 0000000..1f16ee5
     31 --- /dev/null
     32 +++ b/gfx/skia/src/ports/SkMemory_mozalloc.cpp
     33 @@ -0,0 +1,40 @@
     34 +/*
     35 + * Copyright 2011 Google Inc.
     36 + * Copyright 2012 Mozilla Foundation
     37 + *
     38 + * Use of this source code is governed by a BSD-style license that can be
     39 + * found in the LICENSE file.
     40 + */
     41 +
     42 +#include "SkTypes.h"
     43 +
     44 +#include "mozilla/mozalloc.h"
     45 +#include "mozilla/mozalloc_abort.h"
     46 +#include "mozilla/mozalloc_oom.h"
     47 +
     48 +void sk_throw() {
     49 +    SkDEBUGFAIL("sk_throw");
     50 +    mozalloc_abort("Abort from sk_throw");
     51 +}
     52 +
     53 +void sk_out_of_memory(void) {
     54 +    SkDEBUGFAIL("sk_out_of_memory");
     55 +    mozalloc_handle_oom(0);
     56 +}
     57 +
     58 +void* sk_malloc_throw(size_t size) {
     59 +    return sk_malloc_flags(size, SK_MALLOC_THROW);
     60 +}
     61 +
     62 +void* sk_realloc_throw(void* addr, size_t size) {
     63 +    return moz_xrealloc(addr, size);
     64 +}
     65 +
     66 +void sk_free(void* p) {
     67 +    free(p);
     68 +}
     69 +
     70 +void* sk_malloc_flags(size_t size, unsigned flags) {
     71 +    return (flags & SK_MALLOC_THROW) ? moz_xmalloc(size) : malloc(size);
     72 +}
     73 +