gecko/gfx/layers/ipc/ISurfaceAllocator.cpp
Benoit Jacob 0f90257361 Bug 913872 - Take nested enums out of gfxASurface - 1/3 : automatic changes - r=jrmuizel
Generated by these regexes:

find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/gfx[A-Za-z0-9_]*Surface\:\:[a-z]*\(\(ImageFormat\|SurfaceType\|ContentType\|MemoryLocation\)[0-9A-Za-z_]*\)/gfx\1/g'

find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/gfx[A-Za-z0-9_]*Surface\:\:[a-z]*\(\(CONTENT_\|MEMORY_\)[0-9A-Za-z_]*\)/GFX_\1/g'

find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(CONTENT_COLOR\|CONTENT_ALPHA\|CONTENT_COLOR_ALPHA\|CONTENT_SENTINEL\|MEMORY_IN_PROCESS_HEAP\|MEMORY_IN_PROCESS_NONHEAP\|MEMORY_OUT_OF_PROCESS\)\($\|[^A-Za-z0-9_]\)/\1GFX_\2\3/g'

find . -name '*.h' -o -name '*.cpp' -o -name '*.mm' | grep -v '\.hg' | grep -v '^\.\/obj' | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(ImageFormatARGB32\|ImageFormatRGB24\|ImageFormatA8\|ImageFormatA1\|ImageFormatRGB16_565\|ImageFormatUnknown\|SurfaceTypeImage\|SurfaceTypePDF\|SurfaceTypePS\|SurfaceTypeXlib\|SurfaceTypeXcb\|SurfaceTypeGlitz\|SurfaceTypeQuartz\|SurfaceTypeWin32\|SurfaceTypeBeOS\|SurfaceTypeDirectFB\|SurfaceTypeSVG\|SurfaceTypeOS2\|SurfaceTypeWin32Printing\|SurfaceTypeQuartzImage\|SurfaceTypeScript\|SurfaceTypeQPainter\|SurfaceTypeRecording\|SurfaceTypeVG\|SurfaceTypeGL\|SurfaceTypeDRM\|SurfaceTypeTee\|SurfaceTypeXML\|SurfaceTypeSkia\|SurfaceTypeSubsurface\|SurfaceTypeD2D\|SurfaceTypeMax\)\($\|[^A-Za-z0-9_]\)/\1gfx\2\3/g'
2013-09-24 16:45:13 -04:00

162 lines
5.1 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* 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 "ISurfaceAllocator.h"
#include <sys/types.h> // for int32_t
#include "gfxASurface.h" // for gfxASurface, etc
#include "gfxPlatform.h" // for gfxPlatform, gfxImageFormat
#include "gfxSharedImageSurface.h" // for gfxSharedImageSurface
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
#include "mozilla/ipc/SharedMemory.h" // for SharedMemory, etc
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor, etc
#include "ShadowLayerUtils.h"
#include "mozilla/mozalloc.h" // for operator delete[], etc
#include "nsAutoPtr.h" // for nsRefPtr, getter_AddRefs, etc
#include "nsDebug.h" // for NS_RUNTIMEABORT
#include "nsXULAppAPI.h" // for XRE_GetProcessType, etc
#ifdef DEBUG
#include "prenv.h"
#endif
using namespace mozilla::ipc;
namespace mozilla {
namespace layers {
SharedMemory::SharedMemoryType OptimalShmemType()
{
return SharedMemory::TYPE_BASIC;
}
bool
IsSurfaceDescriptorValid(const SurfaceDescriptor& aSurface)
{
return aSurface.type() != SurfaceDescriptor::T__None &&
aSurface.type() != SurfaceDescriptor::Tnull_t;
}
bool
ISurfaceAllocator::AllocSharedImageSurface(const gfxIntSize& aSize,
gfxContentType aContent,
gfxSharedImageSurface** aBuffer)
{
SharedMemory::SharedMemoryType shmemType = OptimalShmemType();
gfxImageFormat format = gfxPlatform::GetPlatform()->OptimalFormatForContent(aContent);
nsRefPtr<gfxSharedImageSurface> back =
gfxSharedImageSurface::CreateUnsafe(this, aSize, format, shmemType);
if (!back)
return false;
*aBuffer = nullptr;
back.swap(*aBuffer);
return true;
}
bool
ISurfaceAllocator::AllocSurfaceDescriptor(const gfxIntSize& aSize,
gfxContentType aContent,
SurfaceDescriptor* aBuffer)
{
return AllocSurfaceDescriptorWithCaps(aSize, aContent, DEFAULT_BUFFER_CAPS, aBuffer);
}
bool
ISurfaceAllocator::AllocSurfaceDescriptorWithCaps(const gfxIntSize& aSize,
gfxContentType aContent,
uint32_t aCaps,
SurfaceDescriptor* aBuffer)
{
bool tryPlatformSurface = true;
#ifdef DEBUG
tryPlatformSurface = !PR_GetEnv("MOZ_LAYERS_FORCE_SHMEM_SURFACES");
#endif
if (tryPlatformSurface &&
PlatformAllocSurfaceDescriptor(aSize, aContent, aCaps, aBuffer)) {
return true;
}
if (XRE_GetProcessType() == GeckoProcessType_Default) {
gfxImageFormat format =
gfxPlatform::GetPlatform()->OptimalFormatForContent(aContent);
int32_t stride = gfxASurface::FormatStrideForWidth(format, aSize.width);
uint8_t *data = new (std::nothrow) uint8_t[stride * aSize.height];
if (!data) {
return false;
}
#ifdef XP_MACOSX
// Workaround a bug in Quartz where drawing an a8 surface to another a8
// surface with OPERATOR_SOURCE still requires the destination to be clear.
if (format == gfxImageFormatA8) {
memset(data, 0, stride * aSize.height);
}
#endif
*aBuffer = MemoryImage((uintptr_t)data, aSize, stride, format);
return true;
}
nsRefPtr<gfxSharedImageSurface> buffer;
if (!AllocSharedImageSurface(aSize, aContent,
getter_AddRefs(buffer))) {
return false;
}
*aBuffer = buffer->GetShmem();
return true;
}
void
ISurfaceAllocator::DestroySharedSurface(SurfaceDescriptor* aSurface)
{
MOZ_ASSERT(aSurface);
if (!aSurface) {
return;
}
if (PlatformDestroySharedSurface(aSurface)) {
return;
}
switch (aSurface->type()) {
case SurfaceDescriptor::TShmem:
DeallocShmem(aSurface->get_Shmem());
break;
case SurfaceDescriptor::TYCbCrImage:
DeallocShmem(aSurface->get_YCbCrImage().data());
break;
case SurfaceDescriptor::TRGBImage:
DeallocShmem(aSurface->get_RGBImage().data());
break;
case SurfaceDescriptor::TSurfaceDescriptorD3D9:
case SurfaceDescriptor::TSurfaceDescriptorDIB:
case SurfaceDescriptor::TSurfaceDescriptorD3D10:
break;
case SurfaceDescriptor::TMemoryImage:
delete [] (unsigned char *)aSurface->get_MemoryImage().data();
break;
case SurfaceDescriptor::Tnull_t:
case SurfaceDescriptor::T__None:
break;
default:
NS_RUNTIMEABORT("surface type not implemented!");
}
*aSurface = SurfaceDescriptor();
}
#if !defined(MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS)
bool
ISurfaceAllocator::PlatformAllocSurfaceDescriptor(const gfxIntSize&,
gfxContentType,
uint32_t,
SurfaceDescriptor*)
{
return false;
}
#endif
} // namespace
} // namespace