mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-30 13:45:27 +00:00
229 lines
7.9 KiB
C++
229 lines
7.9 KiB
C++
/* -*- 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 "mozilla/layers/CanvasClient.h"
|
|
#include "ClientCanvasLayer.h" // for ClientCanvasLayer
|
|
#include "GLContext.h" // for GLContext
|
|
#include "GLScreenBuffer.h" // for GLScreenBuffer
|
|
#include "Layers.h" // for Layer, etc
|
|
#include "SurfaceStream.h" // for SurfaceStream
|
|
#include "SurfaceTypes.h" // for SurfaceStreamHandle
|
|
#include "gfx2DGlue.h" // for ImageFormatToSurfaceFormat
|
|
#include "gfxASurface.h" // for gfxASurface, etc
|
|
#include "gfxPlatform.h" // for gfxPlatform
|
|
#include "mozilla/gfx/BaseSize.h" // for BaseSize
|
|
#include "mozilla/layers/CompositableForwarder.h"
|
|
#include "mozilla/layers/LayersTypes.h"
|
|
#include "mozilla/layers/TextureClient.h" // for TextureClient, etc
|
|
#include "nsAutoPtr.h" // for nsRefPtr
|
|
#include "nsDebug.h" // for printf_stderr, NS_ASSERTION
|
|
#include "nsXULAppAPI.h" // for XRE_GetProcessType, etc
|
|
#ifdef MOZ_WIDGET_GONK
|
|
#include "SharedSurfaceGralloc.h"
|
|
#endif
|
|
|
|
using namespace mozilla::gl;
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
class SharedSurface;
|
|
}
|
|
}
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
/* static */ TemporaryRef<CanvasClient>
|
|
CanvasClient::CreateCanvasClient(CanvasClientType aType,
|
|
CompositableForwarder* aForwarder,
|
|
TextureFlags aFlags)
|
|
{
|
|
if (aType == CanvasClientGLContext &&
|
|
aForwarder->GetCompositorBackendType() == LAYERS_OPENGL) {
|
|
aFlags |= TEXTURE_DEALLOCATE_CLIENT;
|
|
return new DeprecatedCanvasClientSurfaceStream(aForwarder, aFlags);
|
|
}
|
|
if (gfxPlatform::GetPlatform()->UseDeprecatedTextures()) {
|
|
aFlags |= TEXTURE_DEALLOCATE_CLIENT;
|
|
return new DeprecatedCanvasClient2D(aForwarder, aFlags);
|
|
}
|
|
return new CanvasClient2D(aForwarder, aFlags);
|
|
}
|
|
|
|
void
|
|
CanvasClient2D::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
|
|
{
|
|
if (mBuffer &&
|
|
(mBuffer->IsImmutable() || mBuffer->GetSize() != aSize)) {
|
|
RemoveTextureClient(mBuffer);
|
|
mBuffer = nullptr;
|
|
}
|
|
|
|
bool bufferCreated = false;
|
|
if (!mBuffer) {
|
|
bool isOpaque = (aLayer->GetContentFlags() & Layer::CONTENT_OPAQUE);
|
|
gfxContentType contentType = isOpaque
|
|
? GFX_CONTENT_COLOR
|
|
: GFX_CONTENT_COLOR_ALPHA;
|
|
gfxImageFormat format
|
|
= gfxPlatform::GetPlatform()->OptimalFormatForContent(contentType);
|
|
mBuffer = CreateBufferTextureClient(gfx::ImageFormatToSurfaceFormat(format));
|
|
MOZ_ASSERT(mBuffer->AsTextureClientSurface());
|
|
mBuffer->AsTextureClientSurface()->AllocateForSurface(aSize);
|
|
|
|
bufferCreated = true;
|
|
}
|
|
|
|
if (!mBuffer->Lock(OPEN_READ_WRITE)) {
|
|
return;
|
|
}
|
|
|
|
nsRefPtr<gfxASurface> surface = mBuffer->AsTextureClientSurface()->GetAsSurface();
|
|
if (surface) {
|
|
aLayer->UpdateSurface(surface);
|
|
}
|
|
|
|
mBuffer->Unlock();
|
|
|
|
if (bufferCreated && !AddTextureClient(mBuffer)) {
|
|
mBuffer = nullptr;
|
|
return;
|
|
}
|
|
|
|
if (surface) {
|
|
GetForwarder()->UpdatedTexture(this, mBuffer, nullptr);
|
|
GetForwarder()->UseTexture(this, mBuffer);
|
|
}
|
|
}
|
|
|
|
TemporaryRef<BufferTextureClient>
|
|
CanvasClient2D::CreateBufferTextureClient(gfx::SurfaceFormat aFormat)
|
|
{
|
|
return CompositableClient::CreateBufferTextureClient(aFormat,
|
|
mTextureInfo.mTextureFlags);
|
|
}
|
|
|
|
void
|
|
DeprecatedCanvasClient2D::Updated()
|
|
{
|
|
mForwarder->UpdateTexture(this, 1, mDeprecatedTextureClient->LockSurfaceDescriptor());
|
|
}
|
|
|
|
|
|
DeprecatedCanvasClient2D::DeprecatedCanvasClient2D(CompositableForwarder* aFwd,
|
|
TextureFlags aFlags)
|
|
: CanvasClient(aFwd, aFlags)
|
|
{
|
|
mTextureInfo.mCompositableType = BUFFER_IMAGE_SINGLE;
|
|
}
|
|
|
|
void
|
|
DeprecatedCanvasClient2D::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
|
|
{
|
|
bool isOpaque = (aLayer->GetContentFlags() & Layer::CONTENT_OPAQUE);
|
|
gfxContentType contentType = isOpaque
|
|
? GFX_CONTENT_COLOR
|
|
: GFX_CONTENT_COLOR_ALPHA;
|
|
|
|
if (!mDeprecatedTextureClient) {
|
|
mDeprecatedTextureClient = CreateDeprecatedTextureClient(TEXTURE_CONTENT, contentType);
|
|
if (!mDeprecatedTextureClient) {
|
|
mDeprecatedTextureClient = CreateDeprecatedTextureClient(TEXTURE_FALLBACK, contentType);
|
|
if (!mDeprecatedTextureClient) {
|
|
NS_WARNING("Could not create texture client");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!mDeprecatedTextureClient->EnsureAllocated(aSize, contentType)) {
|
|
// We might already be on the fallback texture client if we couldn't create a
|
|
// better one above. In which case this call to create is wasted. But I don't
|
|
// think this will happen often enough to be worth complicating the code with
|
|
// further checks.
|
|
mDeprecatedTextureClient = CreateDeprecatedTextureClient(TEXTURE_FALLBACK, contentType);
|
|
MOZ_ASSERT(mDeprecatedTextureClient, "Failed to create texture client");
|
|
if (!mDeprecatedTextureClient->EnsureAllocated(aSize, contentType)) {
|
|
NS_WARNING("Could not allocate texture client");
|
|
return;
|
|
}
|
|
}
|
|
|
|
gfxASurface* surface = mDeprecatedTextureClient->LockSurface();
|
|
aLayer->UpdateSurface(surface);
|
|
mDeprecatedTextureClient->Unlock();
|
|
}
|
|
|
|
void
|
|
DeprecatedCanvasClientSurfaceStream::Updated()
|
|
{
|
|
mForwarder->UpdateTextureNoSwap(this, 1, mDeprecatedTextureClient->LockSurfaceDescriptor());
|
|
}
|
|
|
|
|
|
DeprecatedCanvasClientSurfaceStream::DeprecatedCanvasClientSurfaceStream(CompositableForwarder* aFwd,
|
|
TextureFlags aFlags)
|
|
: CanvasClient(aFwd, aFlags)
|
|
{
|
|
mTextureInfo.mCompositableType = BUFFER_IMAGE_SINGLE;
|
|
}
|
|
|
|
void
|
|
DeprecatedCanvasClientSurfaceStream::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
|
|
{
|
|
if (!mDeprecatedTextureClient) {
|
|
mDeprecatedTextureClient = CreateDeprecatedTextureClient(TEXTURE_STREAM_GL,
|
|
aLayer->GetSurfaceMode() == Layer::SURFACE_OPAQUE
|
|
? GFX_CONTENT_COLOR
|
|
: GFX_CONTENT_COLOR_ALPHA);
|
|
MOZ_ASSERT(mDeprecatedTextureClient, "Failed to create texture client");
|
|
}
|
|
|
|
NS_ASSERTION(aLayer->mGLContext, "CanvasClientSurfaceStream should only be used with GL canvases");
|
|
|
|
// the content type won't be used
|
|
mDeprecatedTextureClient->EnsureAllocated(aSize, GFX_CONTENT_COLOR);
|
|
|
|
GLScreenBuffer* screen = aLayer->mGLContext->Screen();
|
|
SurfaceStream* stream = screen->Stream();
|
|
|
|
bool isCrossProcess = !(XRE_GetProcessType() == GeckoProcessType_Default);
|
|
if (isCrossProcess) {
|
|
// swap staging -> consumer so we can send it to the compositor
|
|
SharedSurface* surf = stream->SwapConsumer();
|
|
if (!surf) {
|
|
printf_stderr("surf is null post-SwapConsumer!\n");
|
|
return;
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
if (surf->Type() != SharedSurfaceType::Gralloc) {
|
|
printf_stderr("Unexpected non-Gralloc SharedSurface in IPC path!");
|
|
return;
|
|
}
|
|
|
|
SharedSurface_Gralloc* grallocSurf = SharedSurface_Gralloc::Cast(surf);
|
|
mDeprecatedTextureClient->SetDescriptor(grallocSurf->GetDescriptor());
|
|
#else
|
|
printf_stderr("isCrossProcess, but not MOZ_WIDGET_GONK! Someone needs to write some code!");
|
|
MOZ_ASSERT(false);
|
|
#endif
|
|
} else {
|
|
SurfaceStreamHandle handle = stream->GetShareHandle();
|
|
mDeprecatedTextureClient->SetDescriptor(SurfaceStreamDescriptor(handle, false));
|
|
|
|
// Bug 894405
|
|
//
|
|
// Ref this so the SurfaceStream doesn't disappear unexpectedly. The
|
|
// Compositor will need to unref it when finished.
|
|
aLayer->mGLContext->AddRef();
|
|
}
|
|
|
|
aLayer->Painted();
|
|
}
|
|
|
|
}
|
|
}
|