mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 12:37:37 +00:00
135 lines
4.0 KiB
C++
135 lines
4.0 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 "mozilla/layers/TextureClient.h"
|
|
#include "ClientCanvasLayer.h"
|
|
#include "mozilla/layers/ShadowLayers.h"
|
|
#include "SharedTextureImage.h"
|
|
#include "nsXULAppAPI.h"
|
|
#include "GLContext.h"
|
|
#include "SurfaceStream.h"
|
|
#include "SharedSurface.h"
|
|
#ifdef MOZ_WIDGET_GONK
|
|
#include "SharedSurfaceGralloc.h"
|
|
#endif
|
|
|
|
using namespace mozilla::gl;
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
/* static */ TemporaryRef<CanvasClient>
|
|
CanvasClient::CreateCanvasClient(CompositableType aCompositableHostType,
|
|
CompositableForwarder* aForwarder,
|
|
TextureFlags aFlags)
|
|
{
|
|
if (aCompositableHostType == BUFFER_IMAGE_SINGLE) {
|
|
return new CanvasClient2D(aForwarder, aFlags);
|
|
}
|
|
if (aCompositableHostType == BUFFER_IMAGE_BUFFERED) {
|
|
if (aForwarder->GetCompositorBackendType() == LAYERS_OPENGL) {
|
|
return new CanvasClientWebGL(aForwarder, aFlags);
|
|
}
|
|
return new CanvasClient2D(aForwarder, aFlags);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void
|
|
CanvasClient::Updated()
|
|
{
|
|
mForwarder->UpdateTexture(this, 1, mTextureClient->GetDescriptor());
|
|
}
|
|
|
|
|
|
CanvasClient2D::CanvasClient2D(CompositableForwarder* aFwd,
|
|
TextureFlags aFlags)
|
|
: CanvasClient(aFwd, aFlags)
|
|
{
|
|
mTextureInfo.mCompositableType = BUFFER_IMAGE_SINGLE;
|
|
}
|
|
|
|
void
|
|
CanvasClient2D::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
|
|
{
|
|
if (!mTextureClient) {
|
|
mTextureClient = CreateTextureClient(TEXTURE_CONTENT);
|
|
MOZ_ASSERT(mTextureClient, "Failed to create texture client");
|
|
}
|
|
|
|
bool isOpaque = (aLayer->GetContentFlags() & Layer::CONTENT_OPAQUE);
|
|
gfxASurface::gfxContentType contentType = isOpaque
|
|
? gfxASurface::CONTENT_COLOR
|
|
: gfxASurface::CONTENT_COLOR_ALPHA;
|
|
mTextureClient->EnsureAllocated(aSize, contentType);
|
|
|
|
gfxASurface* surface = mTextureClient->LockSurface();
|
|
aLayer->UpdateSurface(surface);
|
|
mTextureClient->Unlock();
|
|
}
|
|
|
|
void
|
|
CanvasClientWebGL::Updated()
|
|
{
|
|
mForwarder->UpdateTextureNoSwap(this, 1, mTextureClient->GetDescriptor());
|
|
}
|
|
|
|
|
|
CanvasClientWebGL::CanvasClientWebGL(CompositableForwarder* aFwd,
|
|
TextureFlags aFlags)
|
|
: CanvasClient(aFwd, aFlags)
|
|
{
|
|
mTextureInfo.mCompositableType = BUFFER_IMAGE_BUFFERED;
|
|
}
|
|
|
|
void
|
|
CanvasClientWebGL::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
|
|
{
|
|
if (!mTextureClient) {
|
|
mTextureClient = CreateTextureClient(TEXTURE_STREAM_GL);
|
|
MOZ_ASSERT(mTextureClient, "Failed to create texture client");
|
|
}
|
|
|
|
NS_ASSERTION(aLayer->mGLContext, "CanvasClientWebGL should only be used with GL canvases");
|
|
|
|
// the content type won't be used
|
|
mTextureClient->EnsureAllocated(aSize, gfxASurface::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);
|
|
mTextureClient->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();
|
|
mTextureClient->SetDescriptor(SurfaceStreamDescriptor(handle, false));
|
|
}
|
|
|
|
aLayer->Painted();
|
|
}
|
|
|
|
}
|
|
}
|