mirror of
https://github.com/mozilla/gecko-dev.git
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293 lines
10 KiB
C++
293 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/layers/CanvasClient.h"
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#include "ClientCanvasLayer.h" // for ClientCanvasLayer
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#include "GLContext.h" // for GLContext
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#include "GLScreenBuffer.h" // for GLScreenBuffer
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#include "SurfaceStream.h" // for SurfaceStream
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#include "SurfaceTypes.h" // for SurfaceStreamHandle
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#include "gfx2DGlue.h" // for ImageFormatToSurfaceFormat
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#include "gfxASurface.h" // for gfxASurface, etc
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#include "gfxPlatform.h" // for gfxPlatform
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#include "mozilla/gfx/BaseSize.h" // for BaseSize
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#include "mozilla/layers/CompositableForwarder.h"
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#include "mozilla/layers/GrallocTextureClient.h"
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#include "mozilla/layers/LayersTypes.h"
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#include "mozilla/layers/TextureClient.h" // for TextureClient, etc
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#include "mozilla/layers/TextureClientOGL.h"
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#include "nsAutoPtr.h" // for nsRefPtr
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#include "nsDebug.h" // for printf_stderr, NS_ASSERTION
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#include "nsXULAppAPI.h" // for XRE_GetProcessType, etc
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#ifdef MOZ_WIDGET_GONK
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#include "SharedSurfaceGralloc.h"
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#endif
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using namespace mozilla::gfx;
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using namespace mozilla::gl;
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namespace mozilla {
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namespace layers {
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/* static */ TemporaryRef<CanvasClient>
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CanvasClient::CreateCanvasClient(CanvasClientType aType,
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CompositableForwarder* aForwarder,
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TextureFlags aFlags)
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{
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if (aType == CanvasClientGLContext &&
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aForwarder->GetCompositorBackendType() == LayersBackend::LAYERS_OPENGL) {
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aFlags |= TEXTURE_DEALLOCATE_CLIENT;
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return new CanvasClientSurfaceStream(aForwarder, aFlags);
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}
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if (gfxPlatform::GetPlatform()->UseDeprecatedTextures()) {
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aFlags |= TEXTURE_DEALLOCATE_CLIENT;
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return new DeprecatedCanvasClient2D(aForwarder, aFlags);
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}
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return new CanvasClient2D(aForwarder, aFlags);
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}
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void
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CanvasClient2D::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
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{
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if (mBuffer &&
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(mBuffer->IsImmutable() || mBuffer->GetSize() != aSize)) {
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GetForwarder()->AddForceRemovingTexture(mBuffer);
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mBuffer = nullptr;
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}
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bool bufferCreated = false;
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if (!mBuffer) {
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bool isOpaque = (aLayer->GetContentFlags() & Layer::CONTENT_OPAQUE);
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gfxContentType contentType = isOpaque
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? gfxContentType::COLOR
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: gfxContentType::COLOR_ALPHA;
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gfxImageFormat format
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= gfxPlatform::GetPlatform()->OptimalFormatForContent(contentType);
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mBuffer = CreateBufferTextureClient(gfx::ImageFormatToSurfaceFormat(format));
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MOZ_ASSERT(mBuffer->AsTextureClientSurface());
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mBuffer->AsTextureClientSurface()->AllocateForSurface(aSize);
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bufferCreated = true;
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}
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if (!mBuffer->Lock(OPEN_WRITE_ONLY)) {
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return;
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}
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nsRefPtr<gfxASurface> surface = mBuffer->AsTextureClientSurface()->GetAsSurface();
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if (surface) {
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aLayer->UpdateSurface(surface);
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}
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mBuffer->Unlock();
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if (bufferCreated && !AddTextureClient(mBuffer)) {
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mBuffer = nullptr;
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return;
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}
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if (surface) {
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GetForwarder()->UpdatedTexture(this, mBuffer, nullptr);
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GetForwarder()->UseTexture(this, mBuffer);
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}
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}
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TemporaryRef<BufferTextureClient>
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CanvasClient2D::CreateBufferTextureClient(gfx::SurfaceFormat aFormat, TextureFlags aFlags)
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{
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return CompositableClient::CreateBufferTextureClient(aFormat,
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mTextureInfo.mTextureFlags | aFlags);
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}
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CanvasClientSurfaceStream::CanvasClientSurfaceStream(CompositableForwarder* aLayerForwarder,
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TextureFlags aFlags)
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: CanvasClient(aLayerForwarder, aFlags)
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{
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}
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void
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CanvasClientSurfaceStream::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
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{
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GLScreenBuffer* screen = aLayer->mGLContext->Screen();
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SurfaceStream* stream = screen->Stream();
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bool isCrossProcess = !(XRE_GetProcessType() == GeckoProcessType_Default);
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bool bufferCreated = false;
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if (isCrossProcess) {
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#ifdef MOZ_WIDGET_GONK
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SharedSurface* surf = stream->SwapConsumer();
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if (!surf) {
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printf_stderr("surf is null post-SwapConsumer!\n");
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return;
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}
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if (surf->Type() != SharedSurfaceType::Gralloc) {
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printf_stderr("Unexpected non-Gralloc SharedSurface in IPC path!");
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MOZ_ASSERT(false);
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return;
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}
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SharedSurface_Gralloc* grallocSurf = SharedSurface_Gralloc::Cast(surf);
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GrallocTextureClientOGL* grallocTextureClient =
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static_cast<GrallocTextureClientOGL*>(grallocSurf->GetTextureClient());
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// If IPDLActor is null means this TextureClient didn't AddTextureClient yet
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if (!grallocTextureClient->GetIPDLActor()) {
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grallocTextureClient->SetTextureFlags(mTextureInfo.mTextureFlags);
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AddTextureClient(grallocTextureClient);
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}
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if (grallocTextureClient->GetIPDLActor()) {
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GetForwarder()->UseTexture(this, grallocTextureClient);
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}
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#else
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printf_stderr("isCrossProcess, but not MOZ_WIDGET_GONK! Someone needs to write some code!");
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MOZ_ASSERT(false);
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#endif
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} else {
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if (!mBuffer) {
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StreamTextureClientOGL* textureClient =
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new StreamTextureClientOGL(mTextureInfo.mTextureFlags);
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textureClient->InitWith(stream);
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mBuffer = textureClient;
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bufferCreated = true;
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}
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if (bufferCreated && !AddTextureClient(mBuffer)) {
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mBuffer = nullptr;
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}
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if (mBuffer) {
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GetForwarder()->UseTexture(this, mBuffer);
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}
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}
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aLayer->Painted();
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}
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void
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DeprecatedCanvasClient2D::Updated()
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{
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mForwarder->UpdateTexture(this, 1, mDeprecatedTextureClient->LockSurfaceDescriptor());
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}
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DeprecatedCanvasClient2D::DeprecatedCanvasClient2D(CompositableForwarder* aFwd,
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TextureFlags aFlags)
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: CanvasClient(aFwd, aFlags)
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{
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mTextureInfo.mCompositableType = BUFFER_IMAGE_SINGLE;
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}
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void
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DeprecatedCanvasClient2D::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
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{
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bool isOpaque = (aLayer->GetContentFlags() & Layer::CONTENT_OPAQUE);
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gfxContentType contentType = isOpaque
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? gfxContentType::COLOR
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: gfxContentType::COLOR_ALPHA;
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if (!mDeprecatedTextureClient) {
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mDeprecatedTextureClient = CreateDeprecatedTextureClient(TEXTURE_CONTENT, contentType);
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if (!mDeprecatedTextureClient) {
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mDeprecatedTextureClient = CreateDeprecatedTextureClient(TEXTURE_FALLBACK, contentType);
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if (!mDeprecatedTextureClient) {
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NS_WARNING("Could not create texture client");
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return;
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}
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}
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}
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if (!mDeprecatedTextureClient->EnsureAllocated(aSize, contentType)) {
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// We might already be on the fallback texture client if we couldn't create a
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// better one above. In which case this call to create is wasted. But I don't
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// think this will happen often enough to be worth complicating the code with
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// further checks.
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mDeprecatedTextureClient = CreateDeprecatedTextureClient(TEXTURE_FALLBACK, contentType);
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MOZ_ASSERT(mDeprecatedTextureClient, "Failed to create texture client");
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if (!mDeprecatedTextureClient->EnsureAllocated(aSize, contentType)) {
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NS_WARNING("Could not allocate texture client");
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return;
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}
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}
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gfxASurface* surface = mDeprecatedTextureClient->LockSurface();
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aLayer->UpdateSurface(surface);
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mDeprecatedTextureClient->Unlock();
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}
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void
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DeprecatedCanvasClientSurfaceStream::Updated()
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{
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mForwarder->UpdateTextureNoSwap(this, 1, mDeprecatedTextureClient->LockSurfaceDescriptor());
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}
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DeprecatedCanvasClientSurfaceStream::DeprecatedCanvasClientSurfaceStream(CompositableForwarder* aFwd,
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TextureFlags aFlags)
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: CanvasClient(aFwd, aFlags)
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{
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mTextureInfo.mCompositableType = BUFFER_IMAGE_SINGLE;
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}
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void
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DeprecatedCanvasClientSurfaceStream::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
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{
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if (!mDeprecatedTextureClient) {
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mDeprecatedTextureClient = CreateDeprecatedTextureClient(TEXTURE_STREAM_GL,
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aLayer->GetSurfaceMode() == SurfaceMode::SURFACE_OPAQUE
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? gfxContentType::COLOR
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: gfxContentType::COLOR_ALPHA);
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MOZ_ASSERT(mDeprecatedTextureClient, "Failed to create texture client");
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}
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NS_ASSERTION(aLayer->mGLContext, "CanvasClientSurfaceStream should only be used with GL canvases");
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// the content type won't be used
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mDeprecatedTextureClient->EnsureAllocated(aSize, gfxContentType::COLOR);
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GLScreenBuffer* screen = aLayer->mGLContext->Screen();
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SurfaceStream* stream = screen->Stream();
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bool isCrossProcess = !(XRE_GetProcessType() == GeckoProcessType_Default);
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if (isCrossProcess) {
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// swap staging -> consumer so we can send it to the compositor
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SharedSurface* surf = stream->SwapConsumer();
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if (!surf) {
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printf_stderr("surf is null post-SwapConsumer!\n");
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return;
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}
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#ifdef MOZ_WIDGET_GONK
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if (surf->Type() != SharedSurfaceType::Gralloc) {
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printf_stderr("Unexpected non-Gralloc SharedSurface in IPC path!");
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return;
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}
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SharedSurface_Gralloc* grallocSurf = SharedSurface_Gralloc::Cast(surf);
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//XXX todo
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//mDeprecatedTextureClient->SetDescriptor(grallocSurf->GetDescriptor());
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#else
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printf_stderr("isCrossProcess, but not MOZ_WIDGET_GONK! Someone needs to write some code!");
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MOZ_ASSERT(false);
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#endif
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} else {
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SurfaceStreamHandle handle = stream->GetShareHandle();
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mDeprecatedTextureClient->SetDescriptor(SurfaceStreamDescriptor(handle, false));
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// Bug 894405
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//
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// Ref this so the SurfaceStream doesn't disappear unexpectedly. The
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// Compositor will need to unref it when finished.
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aLayer->mGLContext->AddRef();
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}
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aLayer->Painted();
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}
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}
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}
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