mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
367 lines
11 KiB
C++
367 lines
11 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 "mozilla/layers/PGrallocBufferChild.h"
|
|
#include "mozilla/layers/PGrallocBufferParent.h"
|
|
#include "mozilla/layers/PLayersChild.h"
|
|
#include "mozilla/layers/ShadowLayers.h"
|
|
#include "mozilla/unused.h"
|
|
#include "nsXULAppAPI.h"
|
|
|
|
#include "ShadowLayerUtilsGralloc.h"
|
|
|
|
#include "gfxImageSurface.h"
|
|
|
|
#include "sampler.h"
|
|
|
|
using namespace android;
|
|
using namespace base;
|
|
using namespace mozilla::layers;
|
|
|
|
namespace IPC {
|
|
|
|
void
|
|
ParamTraits<MagicGrallocBufferHandle>::Write(Message* aMsg,
|
|
const paramType& aParam)
|
|
{
|
|
Flattenable *flattenable = aParam.mGraphicBuffer.get();
|
|
size_t nbytes = flattenable->getFlattenedSize();
|
|
size_t nfds = flattenable->getFdCount();
|
|
|
|
char data[nbytes];
|
|
int fds[nfds];
|
|
flattenable->flatten(data, nbytes, fds, nfds);
|
|
|
|
aMsg->WriteSize(nbytes);
|
|
aMsg->WriteSize(nfds);
|
|
|
|
aMsg->WriteBytes(data, nbytes);
|
|
for (size_t n = 0; n < nfds; ++n) {
|
|
// These buffers can't die in transit because they're created
|
|
// synchonously and the parent-side buffer can only be dropped if
|
|
// there's a crash.
|
|
aMsg->WriteFileDescriptor(FileDescriptor(fds[n], false));
|
|
}
|
|
}
|
|
|
|
bool
|
|
ParamTraits<MagicGrallocBufferHandle>::Read(const Message* aMsg,
|
|
void** aIter, paramType* aResult)
|
|
{
|
|
size_t nbytes;
|
|
size_t nfds;
|
|
const char* data;
|
|
|
|
if (!aMsg->ReadSize(aIter, &nbytes) ||
|
|
!aMsg->ReadSize(aIter, &nfds) ||
|
|
!aMsg->ReadBytes(aIter, &data, nbytes)) {
|
|
return false;
|
|
}
|
|
|
|
int fds[nfds];
|
|
|
|
for (size_t n = 0; n < nfds; ++n) {
|
|
FileDescriptor fd;
|
|
if (!aMsg->ReadFileDescriptor(aIter, &fd)) {
|
|
return false;
|
|
}
|
|
// If the GraphicBuffer was shared cross-process, SCM_RIGHTS does
|
|
// the right thing and dup's the fd. If it's shared cross-thread,
|
|
// SCM_RIGHTS doesn't dup the fd. That's surprising, but we just
|
|
// deal with it here. NB: only the "default" (master) process can
|
|
// alloc gralloc buffers.
|
|
bool sameProcess = (XRE_GetProcessType() == GeckoProcessType_Default);
|
|
int dupFd = sameProcess ? dup(fd.fd) : fd.fd;
|
|
fds[n] = dupFd;
|
|
}
|
|
|
|
sp<GraphicBuffer> buffer(new GraphicBuffer());
|
|
Flattenable *flattenable = buffer.get();
|
|
|
|
if (NO_ERROR == flattenable->unflatten(data, nbytes, fds, nfds)) {
|
|
aResult->mGraphicBuffer = buffer;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
} // namespace IPC
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
MagicGrallocBufferHandle::MagicGrallocBufferHandle(const sp<GraphicBuffer>& aGraphicBuffer)
|
|
: mGraphicBuffer(aGraphicBuffer)
|
|
{
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Parent process
|
|
|
|
static gfxASurface::gfxImageFormat
|
|
ImageFormatForPixelFormat(android::PixelFormat aFormat)
|
|
{
|
|
switch (aFormat) {
|
|
case PIXEL_FORMAT_RGBA_8888:
|
|
return gfxASurface::ImageFormatARGB32;
|
|
case PIXEL_FORMAT_RGBX_8888:
|
|
return gfxASurface::ImageFormatRGB24;
|
|
case PIXEL_FORMAT_RGB_565:
|
|
return gfxASurface::ImageFormatRGB16_565;
|
|
case PIXEL_FORMAT_A_8:
|
|
return gfxASurface::ImageFormatA8;
|
|
default:
|
|
MOZ_NOT_REACHED("Unknown gralloc pixel format");
|
|
}
|
|
return gfxASurface::ImageFormatARGB32;
|
|
}
|
|
|
|
static android::PixelFormat
|
|
PixelFormatForImageFormat(gfxASurface::gfxImageFormat aFormat)
|
|
{
|
|
switch (aFormat) {
|
|
case gfxASurface::ImageFormatARGB32:
|
|
return android::PIXEL_FORMAT_RGBA_8888;
|
|
case gfxASurface::ImageFormatRGB24:
|
|
return android::PIXEL_FORMAT_RGBX_8888;
|
|
case gfxASurface::ImageFormatRGB16_565:
|
|
return android::PIXEL_FORMAT_RGB_565;
|
|
case gfxASurface::ImageFormatA8:
|
|
return android::PIXEL_FORMAT_A_8;
|
|
default:
|
|
MOZ_NOT_REACHED("Unknown gralloc pixel format");
|
|
}
|
|
return gfxASurface::ImageFormatARGB32;
|
|
}
|
|
|
|
static android::PixelFormat
|
|
PixelFormatForContentType(gfxASurface::gfxContentType aContentType)
|
|
{
|
|
return PixelFormatForImageFormat(
|
|
gfxPlatform::GetPlatform()->OptimalFormatForContent(aContentType));
|
|
}
|
|
|
|
static gfxASurface::gfxContentType
|
|
ContentTypeFromPixelFormat(android::PixelFormat aFormat)
|
|
{
|
|
return gfxASurface::ContentFromFormat(ImageFormatForPixelFormat(aFormat));
|
|
}
|
|
|
|
/*static*/ PGrallocBufferParent*
|
|
GrallocBufferActor::Create(const gfxIntSize& aSize,
|
|
const gfxContentType& aContent,
|
|
MaybeMagicGrallocBufferHandle* aOutHandle)
|
|
{
|
|
SAMPLE_LABEL("GrallocBufferActor", "Create");
|
|
GrallocBufferActor* actor = new GrallocBufferActor();
|
|
*aOutHandle = null_t();
|
|
android::PixelFormat format = PixelFormatForContentType(aContent);
|
|
sp<GraphicBuffer> buffer(
|
|
new GraphicBuffer(aSize.width, aSize.height, format,
|
|
GraphicBuffer::USAGE_SW_READ_OFTEN |
|
|
GraphicBuffer::USAGE_SW_WRITE_OFTEN |
|
|
GraphicBuffer::USAGE_HW_TEXTURE));
|
|
if (buffer->initCheck() != OK)
|
|
return actor;
|
|
|
|
actor->mGraphicBuffer = buffer;
|
|
*aOutHandle = MagicGrallocBufferHandle(buffer);
|
|
return actor;
|
|
}
|
|
|
|
/*static*/ already_AddRefed<TextureImage>
|
|
ShadowLayerManager::OpenDescriptorForDirectTexturing(GLContext* aGL,
|
|
const SurfaceDescriptor& aDescriptor,
|
|
GLenum aWrapMode)
|
|
{
|
|
SAMPLE_LABEL("ShadowLayerManager", "OpenDescriptorForDirectTexturing");
|
|
if (SurfaceDescriptor::TSurfaceDescriptorGralloc != aDescriptor.type()) {
|
|
return nullptr;
|
|
}
|
|
sp<GraphicBuffer> buffer = GrallocBufferActor::GetFrom(aDescriptor);
|
|
return aGL->CreateDirectTextureImage(buffer.get(), aWrapMode);
|
|
}
|
|
|
|
/*static*/ void
|
|
ShadowLayerManager::PlatformSyncBeforeReplyUpdate()
|
|
{
|
|
// Nothing to be done for gralloc.
|
|
}
|
|
|
|
bool
|
|
ShadowLayerManager::PlatformDestroySharedSurface(SurfaceDescriptor* aSurface)
|
|
{
|
|
if (SurfaceDescriptor::TSurfaceDescriptorGralloc != aSurface->type()) {
|
|
return false;
|
|
}
|
|
|
|
PGrallocBufferParent* gbp =
|
|
aSurface->get_SurfaceDescriptorGralloc().bufferParent();
|
|
unused << PGrallocBufferParent::Send__delete__(gbp);
|
|
*aSurface = SurfaceDescriptor();
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Child process
|
|
|
|
/*static*/ PGrallocBufferChild*
|
|
GrallocBufferActor::Create()
|
|
{
|
|
return new GrallocBufferActor();
|
|
}
|
|
|
|
void
|
|
GrallocBufferActor::InitFromHandle(const MagicGrallocBufferHandle& aHandle)
|
|
{
|
|
MOZ_ASSERT(!mGraphicBuffer.get());
|
|
MOZ_ASSERT(aHandle.mGraphicBuffer.get());
|
|
|
|
mGraphicBuffer = aHandle.mGraphicBuffer;
|
|
}
|
|
|
|
bool
|
|
ShadowLayerForwarder::PlatformAllocBuffer(const gfxIntSize& aSize,
|
|
gfxASurface::gfxContentType aContent,
|
|
uint32_t aCaps,
|
|
SurfaceDescriptor* aBuffer)
|
|
{
|
|
SAMPLE_LABEL("ShadowLayerForwarder", "PlatformAllocBuffer");
|
|
// Gralloc buffers are efficiently mappable as gfxImageSurface, so
|
|
// no need to check |aCaps & MAP_AS_IMAGE_SURFACE|.
|
|
MaybeMagicGrallocBufferHandle handle;
|
|
PGrallocBufferChild* gc =
|
|
mShadowManager->SendPGrallocBufferConstructor(aSize, aContent, &handle);
|
|
if (handle.Tnull_t == handle.type()) {
|
|
PGrallocBufferChild::Send__delete__(gc);
|
|
return false;
|
|
}
|
|
|
|
GrallocBufferActor* gba = static_cast<GrallocBufferActor*>(gc);
|
|
gba->InitFromHandle(handle.get_MagicGrallocBufferHandle());
|
|
|
|
*aBuffer = SurfaceDescriptorGralloc(nullptr, gc);
|
|
return true;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Both processes
|
|
|
|
/*static*/ sp<GraphicBuffer>
|
|
GrallocBufferActor::GetFrom(const SurfaceDescriptorGralloc& aDescriptor)
|
|
{
|
|
GrallocBufferActor* gba = nullptr;
|
|
if (PGrallocBufferChild* child = aDescriptor.bufferChild()) {
|
|
gba = static_cast<GrallocBufferActor*>(child);
|
|
} else if (PGrallocBufferParent* parent = aDescriptor.bufferParent()) {
|
|
gba = static_cast<GrallocBufferActor*>(parent);
|
|
}
|
|
return gba->mGraphicBuffer;
|
|
}
|
|
|
|
|
|
/*static*/ already_AddRefed<gfxASurface>
|
|
ShadowLayerForwarder::PlatformOpenDescriptor(OpenMode aMode,
|
|
const SurfaceDescriptor& aSurface)
|
|
{
|
|
SAMPLE_LABEL("ShadowLayerForwarder", "PlatformOpenDescriptor");
|
|
if (SurfaceDescriptor::TSurfaceDescriptorGralloc != aSurface.type()) {
|
|
return nullptr;
|
|
}
|
|
|
|
sp<GraphicBuffer> buffer =
|
|
GrallocBufferActor::GetFrom(aSurface.get_SurfaceDescriptorGralloc());
|
|
uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN;
|
|
if (OPEN_READ_WRITE == aMode) {
|
|
usage |= GRALLOC_USAGE_SW_WRITE_OFTEN;
|
|
}
|
|
void *vaddr;
|
|
DebugOnly<status_t> status = buffer->lock(usage, &vaddr);
|
|
// If we fail to lock, we'll just end up aborting anyway.
|
|
MOZ_ASSERT(status == OK);
|
|
|
|
gfxIntSize size = gfxIntSize(buffer->getWidth(), buffer->getHeight());
|
|
gfxImageFormat format = ImageFormatForPixelFormat(buffer->getPixelFormat());
|
|
long pixelStride = buffer->getStride();
|
|
long byteStride = pixelStride * gfxASurface::BytePerPixelFromFormat(format);
|
|
|
|
nsRefPtr<gfxASurface> surf =
|
|
new gfxImageSurface((unsigned char*)vaddr, size, byteStride, format);
|
|
return surf->CairoStatus() ? nullptr : surf.forget();
|
|
}
|
|
|
|
/*static*/ bool
|
|
ShadowLayerForwarder::PlatformGetDescriptorSurfaceContentType(
|
|
const SurfaceDescriptor& aDescriptor, OpenMode aMode,
|
|
gfxContentType* aContent,
|
|
gfxASurface** aSurface)
|
|
{
|
|
if (SurfaceDescriptor::TSurfaceDescriptorGralloc != aDescriptor.type()) {
|
|
return false;
|
|
}
|
|
|
|
sp<GraphicBuffer> buffer =
|
|
GrallocBufferActor::GetFrom(aDescriptor.get_SurfaceDescriptorGralloc());
|
|
*aContent = ContentTypeFromPixelFormat(buffer->getPixelFormat());
|
|
return true;
|
|
}
|
|
|
|
/*static*/ bool
|
|
ShadowLayerForwarder::PlatformGetDescriptorSurfaceSize(
|
|
const SurfaceDescriptor& aDescriptor, OpenMode aMode,
|
|
gfxIntSize* aSize,
|
|
gfxASurface** aSurface)
|
|
{
|
|
if (SurfaceDescriptor::TSurfaceDescriptorGralloc != aDescriptor.type()) {
|
|
return false;
|
|
}
|
|
|
|
sp<GraphicBuffer> buffer =
|
|
GrallocBufferActor::GetFrom(aDescriptor.get_SurfaceDescriptorGralloc());
|
|
*aSize = gfxIntSize(buffer->getWidth(), buffer->getHeight());
|
|
return true;
|
|
}
|
|
|
|
/*static*/ bool
|
|
ShadowLayerForwarder::PlatformDestroySharedSurface(SurfaceDescriptor* aSurface)
|
|
{
|
|
if (SurfaceDescriptor::TSurfaceDescriptorGralloc != aSurface->type()) {
|
|
return false;
|
|
}
|
|
|
|
PGrallocBufferChild* gbp =
|
|
aSurface->get_SurfaceDescriptorGralloc().bufferChild();
|
|
PGrallocBufferChild::Send__delete__(gbp);
|
|
*aSurface = SurfaceDescriptor();
|
|
return true;
|
|
}
|
|
|
|
/*static*/ bool
|
|
ShadowLayerForwarder::PlatformCloseDescriptor(const SurfaceDescriptor& aDescriptor)
|
|
{
|
|
SAMPLE_LABEL("ShadowLayerForwarder", "PlatformCloseDescriptor");
|
|
if (SurfaceDescriptor::TSurfaceDescriptorGralloc != aDescriptor.type()) {
|
|
return false;
|
|
}
|
|
|
|
sp<GraphicBuffer> buffer = GrallocBufferActor::GetFrom(aDescriptor);
|
|
// If the buffer wasn't lock()d, this probably blows up. But since
|
|
// PlatformCloseDescriptor() is private and only used by
|
|
// AutoOpenSurface, we want to know if the logic is wrong there.
|
|
buffer->unlock();
|
|
return true;
|
|
}
|
|
|
|
/*static*/ void
|
|
ShadowLayerForwarder::PlatformSyncBeforeUpdate()
|
|
{
|
|
// Nothing to be done for gralloc.
|
|
}
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|