bool SVGImage::dataChanged(bool allDataReceived)
{
TRACE_EVENT0("blink", "SVGImage::dataChanged");
// Don't do anything if is an empty image.
if (!data()->size())
return true;
if (allDataReceived) {
// SVGImage will fire events (and the default C++ handlers run) but doesn't
// actually allow script to run so it's fine to call into it. We allow this
// since it means an SVG data url can synchronously load like other image
// types.
EventDispatchForbiddenScope::AllowUserAgentEvents allowUserAgentEvents;
DEFINE_STATIC_LOCAL(OwnPtrWillBePersistent<FrameLoaderClient>, dummyFrameLoaderClient, (EmptyFrameLoaderClient::create()));
if (m_page) {
toLocalFrame(m_page->mainFrame())->loader().load(FrameLoadRequest(0, blankURL(), SubstituteData(data(), AtomicString("image/svg+xml", AtomicString::ConstructFromLiteral),
AtomicString("UTF-8", AtomicString::ConstructFromLiteral), KURL(), ForceSynchronousLoad)));
return true;
}
Page::PageClients pageClients;
fillWithEmptyClients(pageClients);
m_chromeClient = SVGImageChromeClient::create(this);
pageClients.chromeClient = m_chromeClient.get();
// FIXME: If this SVG ends up loading itself, we might leak the world.
// The Cache code does not know about ImageResources holding Frames and
// won't know to break the cycle.
// This will become an issue when SVGImage will be able to load other
// SVGImage objects, but we're safe now, because SVGImage can only be
// loaded by a top-level document.
OwnPtrWillBeRawPtr<Page> page;
{
TRACE_EVENT0("blink", "SVGImage::dataChanged::createPage");
page = adoptPtrWillBeNoop(new Page(pageClients));
page->settings().setScriptEnabled(false);
page->settings().setPluginsEnabled(false);
page->settings().setAcceleratedCompositingEnabled(false);
// Because this page is detached, it can't get default font settings
// from the embedder. Copy over font settings so we have sensible
// defaults. These settings are fixed and will not update if changed.
if (!Page::ordinaryPages().isEmpty()) {
Settings& defaultSettings = (*Page::ordinaryPages().begin())->settings();
page->settings().genericFontFamilySettings() = defaultSettings.genericFontFamilySettings();
page->settings().setMinimumFontSize(defaultSettings.minimumFontSize());
page->settings().setMinimumLogicalFontSize(defaultSettings.minimumLogicalFontSize());
page->settings().setDefaultFontSize(defaultSettings.defaultFontSize());
page->settings().setDefaultFixedFontSize(defaultSettings.defaultFixedFontSize());
}
}
RefPtrWillBeRawPtr<LocalFrame> frame = nullptr;
{
TRACE_EVENT0("blink", "SVGImage::dataChanged::createFrame");
frame = LocalFrame::create(dummyFrameLoaderClient.get(), &page->frameHost(), 0);
frame->setView(FrameView::create(frame.get()));
frame->init();
}
FrameLoader& loader = frame->loader();
loader.forceSandboxFlags(SandboxAll);
frame->view()->setScrollbarsSuppressed(true);
frame->view()->setCanHaveScrollbars(false); // SVG Images will always synthesize a viewBox, if it's not available, and thus never see scrollbars.
frame->view()->setTransparent(true); // SVG Images are transparent.
m_page = page.release();
TRACE_EVENT0("blink", "SVGImage::dataChanged::load");
loader.load(FrameLoadRequest(0, blankURL(), SubstituteData(data(), AtomicString("image/svg+xml", AtomicString::ConstructFromLiteral),
AtomicString("UTF-8", AtomicString::ConstructFromLiteral), KURL(), ForceSynchronousLoad)));
// Set the intrinsic size before a container size is available.
m_intrinsicSize = containerSize();
}
return m_page;
}
void SwapChain11::initPassThroughResources()
{
TRACE_EVENT0("gpu.angle", "SwapChain11::initPassThroughResources");
if (mRenderToBackBuffer)
{
// The passthrough resources aren't needed if we're rendering directly to the back buffer.
return;
}
ID3D11Device *device = mRenderer->getDevice();
ASSERT(device != NULL);
// Make sure our resources are all not allocated, when we create
ASSERT(mQuadVB == NULL && mPassThroughSampler == NULL);
ASSERT(mPassThroughIL == NULL && mPassThroughVS == NULL && mPassThroughPS == NULL);
D3D11_BUFFER_DESC vbDesc;
vbDesc.ByteWidth = sizeof(d3d11::PositionTexCoordVertex) * 4;
vbDesc.Usage = D3D11_USAGE_DYNAMIC;
vbDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
vbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
vbDesc.MiscFlags = 0;
vbDesc.StructureByteStride = 0;
HRESULT result = device->CreateBuffer(&vbDesc, NULL, &mQuadVB);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mQuadVB, "Swap chain quad vertex buffer");
D3D11_SAMPLER_DESC samplerDesc;
samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP;
samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP;
samplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP;
samplerDesc.MipLODBias = 0.0f;
samplerDesc.MaxAnisotropy = 0;
samplerDesc.ComparisonFunc = D3D11_COMPARISON_NEVER;
samplerDesc.BorderColor[0] = 0.0f;
samplerDesc.BorderColor[1] = 0.0f;
samplerDesc.BorderColor[2] = 0.0f;
samplerDesc.BorderColor[3] = 0.0f;
samplerDesc.MinLOD = 0;
samplerDesc.MaxLOD = D3D11_FLOAT32_MAX;
result = device->CreateSamplerState(&samplerDesc, &mPassThroughSampler);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mPassThroughSampler, "Swap chain pass through sampler");
D3D11_INPUT_ELEMENT_DESC quadLayout[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 8, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
result = device->CreateInputLayout(quadLayout, 2, g_VS_Passthrough2D, sizeof(g_VS_Passthrough2D), &mPassThroughIL);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mPassThroughIL, "Swap chain pass through layout");
result = device->CreateVertexShader(g_VS_Passthrough2D, sizeof(g_VS_Passthrough2D), NULL, &mPassThroughVS);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mPassThroughVS, "Swap chain pass through vertex shader");
result = device->CreatePixelShader(g_PS_PassthroughRGBA2D, sizeof(g_PS_PassthroughRGBA2D), NULL, &mPassThroughPS);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mPassThroughPS, "Swap chain pass through pixel shader");
}
bool GrVkCopyManager::createCopyProgram(GrVkGpu* gpu) {
TRACE_EVENT0("skia", TRACE_FUNC);
const GrShaderCaps* shaderCaps = gpu->caps()->shaderCaps();
const char* version = shaderCaps->versionDeclString();
SkSL::String vertShaderText(version);
vertShaderText.append(
"#extension GL_ARB_separate_shader_objects : enable\n"
"#extension GL_ARB_shading_language_420pack : enable\n"
"layout(set = 0, binding = 0) uniform vertexUniformBuffer {"
"half4 uPosXform;"
"half4 uTexCoordXform;"
"};"
"layout(location = 0) in float2 inPosition;"
"layout(location = 1) out half2 vTexCoord;"
"// Copy Program VS\n"
"void main() {"
"vTexCoord = half2(inPosition * uTexCoordXform.xy + uTexCoordXform.zw);"
"sk_Position.xy = inPosition * uPosXform.xy + uPosXform.zw;"
"sk_Position.zw = half2(0, 1);"
"}"
);
SkSL::String fragShaderText(version);
fragShaderText.append(
"#extension GL_ARB_separate_shader_objects : enable\n"
"#extension GL_ARB_shading_language_420pack : enable\n"
"layout(set = 1, binding = 0) uniform sampler2D uTextureSampler;"
"layout(location = 1) in half2 vTexCoord;"
"// Copy Program FS\n"
"void main() {"
"sk_FragColor = texture(uTextureSampler, vTexCoord);"
"}"
);
SkSL::Program::Settings settings;
SkSL::String spirv;
SkSL::Program::Inputs inputs;
if (!GrCompileVkShaderModule(gpu, vertShaderText, VK_SHADER_STAGE_VERTEX_BIT,
&fVertShaderModule, &fShaderStageInfo[0], settings, &spirv,
&inputs)) {
this->destroyResources(gpu);
return false;
}
SkASSERT(inputs.isEmpty());
if (!GrCompileVkShaderModule(gpu, fragShaderText, VK_SHADER_STAGE_FRAGMENT_BIT,
&fFragShaderModule, &fShaderStageInfo[1], settings, &spirv,
&inputs)) {
this->destroyResources(gpu);
return false;
}
SkASSERT(inputs.isEmpty());
VkDescriptorSetLayout dsLayout[2];
GrVkResourceProvider& resourceProvider = gpu->resourceProvider();
dsLayout[GrVkUniformHandler::kUniformBufferDescSet] = resourceProvider.getUniformDSLayout();
uint32_t samplerVisibility = kFragment_GrShaderFlag;
SkTArray<uint32_t> visibilityArray(&samplerVisibility, 1);
resourceProvider.getSamplerDescriptorSetHandle(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
visibilityArray, &fSamplerDSHandle);
dsLayout[GrVkUniformHandler::kSamplerDescSet] =
resourceProvider.getSamplerDSLayout(fSamplerDSHandle);
// Create the VkPipelineLayout
VkPipelineLayoutCreateInfo layoutCreateInfo;
memset(&layoutCreateInfo, 0, sizeof(VkPipelineLayoutCreateFlags));
layoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
layoutCreateInfo.pNext = 0;
layoutCreateInfo.flags = 0;
layoutCreateInfo.setLayoutCount = 2;
layoutCreateInfo.pSetLayouts = dsLayout;
layoutCreateInfo.pushConstantRangeCount = 0;
layoutCreateInfo.pPushConstantRanges = nullptr;
VkPipelineLayout pipelineLayout;
VkResult err = GR_VK_CALL(gpu->vkInterface(), CreatePipelineLayout(gpu->device(),
&layoutCreateInfo,
nullptr,
&pipelineLayout));
if (err) {
this->destroyResources(gpu);
return false;
}
fPipelineLayout = new GrVkPipelineLayout(pipelineLayout);
static const float vdata[] = {
0, 0,
0, 1,
1, 0,
1, 1
};
fVertexBuffer = GrVkVertexBuffer::Make(gpu, sizeof(vdata), false);
SkASSERT(fVertexBuffer.get());
fVertexBuffer->updateData(vdata, sizeof(vdata));
// We use 2 float4's for uniforms
fUniformBuffer.reset(GrVkUniformBuffer::Create(gpu, 8 * sizeof(float)));
SkASSERT(fUniformBuffer.get());
return true;
}
void CompositorMutatorImpl::registerProxyClient(CompositorProxyClientImpl* client)
{
TRACE_EVENT0("compositor-worker", "CompositorMutatorImpl::registerClient");
m_proxyClients.add(client);
setNeedsMutate();
}
EGLint SwapChain11::reset(int backbufferWidth, int backbufferHeight, EGLint swapInterval)
{
TRACE_EVENT0("gpu.angle", "SwapChain11::reset");
ID3D11Device *device = mRenderer->getDevice();
if (device == NULL)
{
return EGL_BAD_ACCESS;
}
// Release specific resources to free up memory for the new render target, while the
// old render target still exists for the purpose of preserving its contents.
SafeRelease(mSwapChain1);
SafeRelease(mSwapChain);
SafeRelease(mBackBufferTexture);
SafeRelease(mBackBufferRTView);
mSwapInterval = static_cast<unsigned int>(swapInterval);
if (mSwapInterval > 4)
{
// IDXGISwapChain::Present documentation states that valid sync intervals are in the [0,4] range
return EGL_BAD_PARAMETER;
}
// EGL allows creating a surface with 0x0 dimension, however, DXGI does not like 0x0 swapchains
if (backbufferWidth < 1 || backbufferHeight < 1)
{
releaseOffscreenTexture();
return EGL_SUCCESS;
}
if (mNativeWindow.getNativeWindow())
{
const d3d11::TextureFormat &backbufferFormatInfo = d3d11::GetTextureFormatInfo(mBackBufferFormat, mRenderer->getRenderer11DeviceCaps(), true);
HRESULT result = mNativeWindow.createSwapChain(device, mRenderer->getDxgiFactory(),
backbufferFormatInfo.texFormat,
backbufferWidth, backbufferHeight, &mSwapChain);
if (FAILED(result))
{
ERR("Could not create additional swap chains or offscreen surfaces: %08lX", result);
release();
if (d3d11::isDeviceLostError(result))
{
return EGL_CONTEXT_LOST;
}
else
{
return EGL_BAD_ALLOC;
}
}
if (mRenderer->getRenderer11DeviceCaps().supportsDXGI1_2)
{
mSwapChain1 = d3d11::DynamicCastComObject<IDXGISwapChain1>(mSwapChain);
}
result = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&mBackBufferTexture);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mBackBufferTexture, "Back buffer texture");
result = device->CreateRenderTargetView(mBackBufferTexture, NULL, &mBackBufferRTView);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mBackBufferRTView, "Back buffer render target");
}
// If we are resizing the swap chain, we don't wish to recreate all the static resources
if (!mPassThroughResourcesInit)
{
mPassThroughResourcesInit = true;
initPassThroughResources();
}
return resetOffscreenTexture(backbufferWidth, backbufferHeight);
}
EGLint SwapChain11::resetOffscreenColorBuffer(int backbufferWidth, int backbufferHeight)
{
ASSERT(mNeedsOffscreenTexture);
TRACE_EVENT0("gpu.angle", "SwapChain11::resetOffscreenTexture");
ID3D11Device *device = mRenderer->getDevice();
ASSERT(device != NULL);
// D3D11 does not allow zero size textures
ASSERT(backbufferWidth >= 1);
ASSERT(backbufferHeight >= 1);
// Preserve the render target content
ID3D11Texture2D *previousOffscreenTexture = mOffscreenTexture;
if (previousOffscreenTexture)
{
previousOffscreenTexture->AddRef();
}
const int previousWidth = mWidth;
const int previousHeight = mHeight;
releaseOffscreenColorBuffer();
const d3d11::Format &backbufferFormatInfo =
d3d11::Format::Get(mOffscreenRenderTargetFormat, mRenderer->getRenderer11DeviceCaps());
// If the app passed in a share handle, open the resource
// See EGL_ANGLE_d3d_share_handle_client_buffer
if (mAppCreatedShareHandle)
{
ID3D11Resource *tempResource11;
HRESULT result = device->OpenSharedResource(mShareHandle, __uuidof(ID3D11Resource), (void**)&tempResource11);
if (FAILED(result))
{
ERR("Failed to open the swap chain pbuffer share handle: %08lX", result);
release();
return EGL_BAD_PARAMETER;
}
result = tempResource11->QueryInterface(__uuidof(ID3D11Texture2D), (void**)&mOffscreenTexture);
SafeRelease(tempResource11);
if (FAILED(result))
{
ERR("Failed to query texture2d interface in pbuffer share handle: %08lX", result);
release();
return EGL_BAD_PARAMETER;
}
// Validate offscreen texture parameters
D3D11_TEXTURE2D_DESC offscreenTextureDesc = {0};
mOffscreenTexture->GetDesc(&offscreenTextureDesc);
if (offscreenTextureDesc.Width != (UINT)backbufferWidth ||
offscreenTextureDesc.Height != (UINT)backbufferHeight ||
offscreenTextureDesc.Format != backbufferFormatInfo.texFormat ||
offscreenTextureDesc.MipLevels != 1 || offscreenTextureDesc.ArraySize != 1)
{
ERR("Invalid texture parameters in the shared offscreen texture pbuffer");
release();
return EGL_BAD_PARAMETER;
}
}
else
{
const bool useSharedResource =
!mNativeWindow->getNativeWindow() && mRenderer->getShareHandleSupport();
D3D11_TEXTURE2D_DESC offscreenTextureDesc = {0};
offscreenTextureDesc.Width = backbufferWidth;
offscreenTextureDesc.Height = backbufferHeight;
offscreenTextureDesc.Format = backbufferFormatInfo.texFormat;
offscreenTextureDesc.MipLevels = 1;
offscreenTextureDesc.ArraySize = 1;
offscreenTextureDesc.SampleDesc.Count = 1;
offscreenTextureDesc.SampleDesc.Quality = 0;
offscreenTextureDesc.Usage = D3D11_USAGE_DEFAULT;
offscreenTextureDesc.BindFlags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
offscreenTextureDesc.CPUAccessFlags = 0;
offscreenTextureDesc.MiscFlags = useSharedResource ? ANGLE_RESOURCE_SHARE_TYPE : 0;
HRESULT result = device->CreateTexture2D(&offscreenTextureDesc, NULL, &mOffscreenTexture);
if (FAILED(result))
{
ERR("Could not create offscreen texture: %08lX", result);
release();
if (d3d11::isDeviceLostError(result))
{
return EGL_CONTEXT_LOST;
}
else
{
return EGL_BAD_ALLOC;
}
}
d3d11::SetDebugName(mOffscreenTexture, "Offscreen back buffer texture");
// EGL_ANGLE_surface_d3d_texture_2d_share_handle requires that we store a share handle for the client
if (useSharedResource)
{
IDXGIResource *offscreenTextureResource = NULL;
result = mOffscreenTexture->QueryInterface(__uuidof(IDXGIResource), (void**)&offscreenTextureResource);
// Fall back to no share handle on failure
if (FAILED(result))
{
ERR("Could not query offscreen texture resource: %08lX", result);
}
else
{
result = offscreenTextureResource->GetSharedHandle(&mShareHandle);
SafeRelease(offscreenTextureResource);
if (FAILED(result))
{
mShareHandle = NULL;
ERR("Could not get offscreen texture shared handle: %08lX", result);
}
}
}
}
// This may return null if the original texture was created without a keyed mutex.
mKeyedMutex = d3d11::DynamicCastComObject<IDXGIKeyedMutex>(mOffscreenTexture);
D3D11_RENDER_TARGET_VIEW_DESC offscreenRTVDesc;
offscreenRTVDesc.Format = backbufferFormatInfo.rtvFormat;
offscreenRTVDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
offscreenRTVDesc.Texture2D.MipSlice = 0;
HRESULT result = device->CreateRenderTargetView(mOffscreenTexture, &offscreenRTVDesc, &mOffscreenRTView);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mOffscreenRTView, "Offscreen back buffer render target");
D3D11_SHADER_RESOURCE_VIEW_DESC offscreenSRVDesc;
offscreenSRVDesc.Format = backbufferFormatInfo.srvFormat;
offscreenSRVDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
offscreenSRVDesc.Texture2D.MostDetailedMip = 0;
offscreenSRVDesc.Texture2D.MipLevels = static_cast<UINT>(-1);
result = device->CreateShaderResourceView(mOffscreenTexture, &offscreenSRVDesc, &mOffscreenSRView);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mOffscreenSRView, "Offscreen back buffer shader resource");
if (previousOffscreenTexture != nullptr)
{
D3D11_BOX sourceBox = {0};
sourceBox.left = 0;
sourceBox.right = std::min(previousWidth, backbufferWidth);
sourceBox.top = std::max(previousHeight - backbufferHeight, 0);
sourceBox.bottom = previousHeight;
sourceBox.front = 0;
sourceBox.back = 1;
ID3D11DeviceContext *deviceContext = mRenderer->getDeviceContext();
const int yoffset = std::max(backbufferHeight - previousHeight, 0);
deviceContext->CopySubresourceRegion(mOffscreenTexture, 0, 0, yoffset, 0,
previousOffscreenTexture, 0, &sourceBox);
SafeRelease(previousOffscreenTexture);
if (mSwapChain)
{
swapRect(0, 0, backbufferWidth, backbufferHeight);
}
}
return EGL_SUCCESS;
}
EGLint SwapChain11::reset(EGLint backbufferWidth, EGLint backbufferHeight, EGLint swapInterval)
{
mSwapInterval = static_cast<unsigned int>(swapInterval);
if (mSwapInterval > 4)
{
// IDXGISwapChain::Present documentation states that valid sync intervals are in the [0,4]
// range
return EGL_BAD_PARAMETER;
}
// If the swap chain already exists, just resize
if (mSwapChain != nullptr)
{
return resize(backbufferWidth, backbufferHeight);
}
TRACE_EVENT0("gpu.angle", "SwapChain11::reset");
ID3D11Device *device = mRenderer->getDevice();
if (device == NULL)
{
return EGL_BAD_ACCESS;
}
// Release specific resources to free up memory for the new render target, while the
// old render target still exists for the purpose of preserving its contents.
SafeRelease(mSwapChain1);
SafeRelease(mSwapChain);
SafeRelease(mBackBufferTexture);
SafeRelease(mBackBufferRTView);
// EGL allows creating a surface with 0x0 dimension, however, DXGI does not like 0x0 swapchains
if (backbufferWidth < 1 || backbufferHeight < 1)
{
releaseOffscreenColorBuffer();
return EGL_SUCCESS;
}
if (mNativeWindow->getNativeWindow())
{
HRESULT result = mNativeWindow->createSwapChain(device, mRenderer->getDxgiFactory(),
getSwapChainNativeFormat(), backbufferWidth,
backbufferHeight, &mSwapChain);
if (FAILED(result))
{
ERR("Could not create additional swap chains or offscreen surfaces: %08lX", result);
release();
if (d3d11::isDeviceLostError(result))
{
return EGL_CONTEXT_LOST;
}
else
{
return EGL_BAD_ALLOC;
}
}
if (mRenderer->getRenderer11DeviceCaps().supportsDXGI1_2)
{
mSwapChain1 = d3d11::DynamicCastComObject<IDXGISwapChain1>(mSwapChain);
}
result = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&mBackBufferTexture);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mBackBufferTexture, "Back buffer texture");
result = device->CreateRenderTargetView(mBackBufferTexture, NULL, &mBackBufferRTView);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mBackBufferRTView, "Back buffer render target");
result = device->CreateShaderResourceView(mBackBufferTexture, nullptr, &mBackBufferSRView);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mBackBufferSRView, "Back buffer shader resource view");
}
mFirstSwap = true;
return resetOffscreenBuffers(backbufferWidth, backbufferHeight);
}
ResourcePtr<Resource> ResourceFetcher::requestResource(Resource::Type type, FetchRequest& request)
{
ASSERT(request.options().synchronousPolicy == RequestAsynchronously || type == Resource::Raw);
TRACE_EVENT0("blink", "ResourceFetcher::requestResource");
KURL url = request.resourceRequest().url();
WTF_LOG(ResourceLoading, "ResourceFetcher::requestResource '%s', charset '%s', priority=%d, type=%s", url.elidedString().latin1().data(), request.charset().latin1().data(), request.priority(), ResourceTypeName(type));
// If only the fragment identifiers differ, it is the same resource.
url = MemoryCache::removeFragmentIdentifierIfNeeded(url);
if (!url.isValid())
return 0;
if (!canRequest(type, url, request.options(), request.originRestriction()))
return 0;
if (LocalFrame* f = frame())
f->loaderClient()->dispatchWillRequestResource(&request);
// See if we can use an existing resource from the cache.
ResourcePtr<Resource> resource = memoryCache()->resourceForURL(url);
const RevalidationPolicy policy = determineRevalidationPolicy(type, request, resource.get());
switch (policy) {
case Reload:
memoryCache()->remove(resource.get());
// Fall through
case Load:
resource = createResourceForLoading(type, request, request.charset());
break;
case Revalidate:
resource = createResourceForRevalidation(request, resource.get());
break;
case Use:
memoryCache()->updateForAccess(resource.get());
break;
}
if (!resource)
return 0;
if (!resource->hasClients())
m_deadStatsRecorder.update(policy);
if (policy != Use)
resource->setIdentifier(createUniqueIdentifier());
ResourceLoadPriority priority = loadPriority(type, request);
if (priority != resource->resourceRequest().priority()) {
resource->mutableResourceRequest().setPriority(priority);
resource->didChangePriority(priority, 0);
}
if (resourceNeedsLoad(resource.get(), request, policy)) {
if (!shouldLoadNewResource(type)) {
if (memoryCache()->contains(resource.get()))
memoryCache()->remove(resource.get());
return 0;
}
resource->load(this, request.options());
// For asynchronous loads that immediately fail, it's sufficient to return a
// null Resource, as it indicates that something prevented the load from starting.
// If there's a network error, that failure will happen asynchronously. However, if
// a sync load receives a network error, it will have already happened by this point.
// In that case, the requester should have access to the relevant ResourceError, so
// we need to return a non-null Resource.
if (resource->errorOccurred()) {
if (memoryCache()->contains(resource.get()))
memoryCache()->remove(resource.get());
return 0;
}
}
requestLoadStarted(resource.get(), request, policy == Use ? ResourceLoadingFromCache : ResourceLoadingFromNetwork);
ASSERT(resource->url() == url.string());
m_documentResources.set(resource->url(), resource);
return resource;
}
void Image::paintSkBitmap(GraphicsContext* context, const NativeImageSkia& bitmap, const SkRect& srcRect, const SkRect& destRect, const SkXfermode::Mode& compOp)
{
TRACE_EVENT0("skia", "paintSkBitmap");
SkPaint paint;
paint.setXfermodeMode(compOp);
paint.setAlpha(context->getNormalizedAlpha());
paint.setLooper(context->drawLooper());
// only antialias if we're rotated or skewed
paint.setAntiAlias(hasNon90rotation(context));
ResamplingMode resampling;
if (context->isAccelerated())
resampling = RESAMPLE_LINEAR;
else if (context->printing())
resampling = RESAMPLE_NONE;
else {
// Take into account scale applied to the canvas when computing sampling mode (e.g. CSS scale or page scale).
SkRect destRectTarget = destRect;
if (!(context->getTotalMatrix().getType() & (SkMatrix::kAffine_Mask | SkMatrix::kPerspective_Mask)))
context->getTotalMatrix().mapRect(&destRectTarget, destRect);
resampling = computeResamplingMode(context->getTotalMatrix(), bitmap,
SkScalarToFloat(srcRect.width()), SkScalarToFloat(srcRect.height()),
SkScalarToFloat(destRectTarget.width()), SkScalarToFloat(destRectTarget.height()));
}
if (resampling == RESAMPLE_NONE) {
// FIXME: This is to not break tests (it results in the filter bitmap flag
// being set to true). We need to decide if we respect RESAMPLE_NONE
// being returned from computeResamplingMode.
resampling = RESAMPLE_LINEAR;
}
resampling = limitResamplingMode(context, resampling);
paint.setFilterBitmap(resampling == RESAMPLE_LINEAR);
if (resampling == RESAMPLE_AWESOME)
drawResampledBitmap(context, paint, bitmap, srcRect, destRect);
else {
// No resampling necessary, we can just draw the bitmap. We want to
// filter it if we decided to do linear interpolation above, or if there
// is something interesting going on with the matrix (like a rotation).
// Note: for serialization, we will want to subset the bitmap first so
// we don't send extra pixels.
SkIRect enclosingSrcRect;
SkRect enclosingDestRect;
SkISize bitmapSize = SkISize::Make(bitmap.bitmap().width(), bitmap.bitmap().height());
bool needsClipping = computeBitmapDrawRects(bitmapSize, srcRect, destRect, &enclosingSrcRect, &enclosingDestRect);
if (enclosingSrcRect.isEmpty() || enclosingDestRect.isEmpty())
return;
// If destination is enlarged because source rectangle didn't align to
// integer boundaries then we draw a slightly larger rectangle and clip
// to the original destination rectangle.
// See http://crbug.com/145540.
if (needsClipping) {
context->save();
context->clipRect(destRect);
}
context->drawBitmapRect(bitmap.bitmap(), &enclosingSrcRect, enclosingDestRect, &paint);
if (needsClipping)
context->restore();
}
context->didDrawRect(destRect, paint, &bitmap.bitmap());
}
void ThreadState::visitStackRoots(Visitor* visitor)
{
TRACE_EVENT0("blink_gc", "ThreadState::visitStackRoots");
for (ThreadState* state : attachedThreads())
state->visitStack(visitor);
}
void NativeImageSkia::draw(GraphicsContext* context, const SkRect& srcRect, const SkRect& destRect, PassRefPtr<SkXfermode> compOp) const
{
TRACE_EVENT0("skia", "NativeImageSkia::draw");
SkPaint paint;
paint.setXfermode(compOp.get());
paint.setColorFilter(context->colorFilter());
paint.setAlpha(context->getNormalizedAlpha());
paint.setLooper(context->drawLooper());
// only antialias if we're rotated or skewed
paint.setAntiAlias(hasNon90rotation(context));
ResamplingMode resampling;
if (context->isAccelerated()) {
resampling = LinearResampling;
} else if (context->printing()) {
resampling = NoResampling;
} else {
// Take into account scale applied to the canvas when computing sampling mode (e.g. CSS scale or page scale).
SkRect destRectTarget = destRect;
SkMatrix totalMatrix = context->getTotalMatrix();
if (!(totalMatrix.getType() & (SkMatrix::kAffine_Mask | SkMatrix::kPerspective_Mask)))
totalMatrix.mapRect(&destRectTarget, destRect);
resampling = computeResamplingMode(totalMatrix,
SkScalarToFloat(srcRect.width()), SkScalarToFloat(srcRect.height()),
SkScalarToFloat(destRectTarget.width()), SkScalarToFloat(destRectTarget.height()));
}
if (resampling == NoResampling) {
// FIXME: This is to not break tests (it results in the filter bitmap flag
// being set to true). We need to decide if we respect NoResampling
// being returned from computeResamplingMode.
resampling = LinearResampling;
}
resampling = limitResamplingMode(context, resampling);
paint.setFilterBitmap(resampling == LinearResampling);
bool isLazyDecoded = DeferredImageDecoder::isLazyDecoded(bitmap());
// FIXME: Bicubic filtering in Skia is only applied to defer-decoded images
// as an experiment. Once this filtering code path becomes stable we should
// turn this on for all cases, including non-defer-decoded images.
bool useBicubicFilter = resampling == AwesomeResampling && isLazyDecoded;
if (useBicubicFilter)
paint.setFilterLevel(SkPaint::kHigh_FilterLevel);
if (resampling == AwesomeResampling && !useBicubicFilter) {
// Resample the image and then draw the result to canvas with bilinear
// filtering.
drawResampledBitmap(context, paint, srcRect, destRect);
} else {
// We want to filter it if we decided to do interpolation above, or if
// there is something interesting going on with the matrix (like a rotation).
// Note: for serialization, we will want to subset the bitmap first so we
// don't send extra pixels.
context->drawBitmapRect(bitmap(), &srcRect, destRect, &paint);
}
if (isLazyDecoded)
PlatformInstrumentation::didDrawLazyPixelRef(bitmap().getGenerationID());
context->didDrawRect(destRect, paint, &bitmap());
}
Clear11::Clear11(Renderer11 *renderer)
: mRenderer(renderer),
mClearBlendStates(StructLessThan<ClearBlendInfo>),
mFloatClearShader(nullptr),
mUintClearShader(nullptr),
mIntClearShader(nullptr),
mClearDepthStencilStates(StructLessThan<ClearDepthStencilInfo>),
mVertexBuffer(nullptr),
mRasterizerState(nullptr)
{
TRACE_EVENT0("gpu.angle", "Clear11::Clear11");
HRESULT result;
ID3D11Device *device = renderer->getDevice();
D3D11_BUFFER_DESC vbDesc;
vbDesc.ByteWidth = sizeof(d3d11::PositionDepthColorVertex<float>) * 4;
vbDesc.Usage = D3D11_USAGE_DYNAMIC;
vbDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
vbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
vbDesc.MiscFlags = 0;
vbDesc.StructureByteStride = 0;
result = device->CreateBuffer(&vbDesc, nullptr, &mVertexBuffer);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mVertexBuffer, "Clear11 masked clear vertex buffer");
D3D11_RASTERIZER_DESC rsDesc;
rsDesc.FillMode = D3D11_FILL_SOLID;
rsDesc.CullMode = D3D11_CULL_NONE;
rsDesc.FrontCounterClockwise = FALSE;
rsDesc.DepthBias = 0;
rsDesc.DepthBiasClamp = 0.0f;
rsDesc.SlopeScaledDepthBias = 0.0f;
rsDesc.DepthClipEnable = TRUE;
rsDesc.ScissorEnable = FALSE;
rsDesc.MultisampleEnable = FALSE;
rsDesc.AntialiasedLineEnable = FALSE;
result = device->CreateRasterizerState(&rsDesc, &mRasterizerState);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mRasterizerState, "Clear11 masked clear rasterizer state");
if (mRenderer->getRenderer11DeviceCaps().featureLevel <= D3D_FEATURE_LEVEL_9_3)
{
mFloatClearShader =
new ClearShader(DXGI_FORMAT_R32G32B32A32_FLOAT, "Clear11 Float IL", g_VS_ClearFloat,
ArraySize(g_VS_ClearFloat), "Clear11 Float VS", g_PS_ClearFloat_FL9,
ArraySize(g_PS_ClearFloat_FL9), "Clear11 Float PS");
}
else
{
mFloatClearShader =
new ClearShader(DXGI_FORMAT_R32G32B32A32_FLOAT, "Clear11 Float IL", g_VS_ClearFloat,
ArraySize(g_VS_ClearFloat), "Clear11 Float VS", g_PS_ClearFloat,
ArraySize(g_PS_ClearFloat), "Clear11 Float PS");
}
if (renderer->isES3Capable())
{
mUintClearShader =
new ClearShader(DXGI_FORMAT_R32G32B32A32_UINT, "Clear11 UINT IL", g_VS_ClearUint,
ArraySize(g_VS_ClearUint), "Clear11 UINT VS", g_PS_ClearUint,
ArraySize(g_PS_ClearUint), "Clear11 UINT PS");
mIntClearShader =
new ClearShader(DXGI_FORMAT_R32G32B32A32_UINT, "Clear11 SINT IL", g_VS_ClearSint,
ArraySize(g_VS_ClearSint), "Clear11 SINT VS", g_PS_ClearSint,
ArraySize(g_PS_ClearSint), "Clear11 SINT PS");
}
}
void PaintLayerCompositor::updateIfNeeded()
{
CompositingUpdateType updateType = m_pendingUpdateType;
m_pendingUpdateType = CompositingUpdateNone;
if (!hasAcceleratedCompositing()) {
updateWithoutAcceleratedCompositing(updateType);
return;
}
if (updateType == CompositingUpdateNone)
return;
PaintLayer* updateRoot = rootLayer();
Vector<PaintLayer*> layersNeedingPaintInvalidation;
if (updateType >= CompositingUpdateAfterCompositingInputChange) {
CompositingInputsUpdater(updateRoot).update();
#if ENABLE(ASSERT)
// FIXME: Move this check to the end of the compositing update.
CompositingInputsUpdater::assertNeedsCompositingInputsUpdateBitsCleared(updateRoot);
#endif
CompositingRequirementsUpdater(m_layoutView, m_compositingReasonFinder).update(updateRoot);
CompositingLayerAssigner layerAssigner(this);
layerAssigner.assign(updateRoot, layersNeedingPaintInvalidation);
bool layersChanged = layerAssigner.layersChanged();
{
TRACE_EVENT0("blink", "PaintLayerCompositor::updateAfterCompositingChange");
if (const FrameView::ScrollableAreaSet* scrollableAreas = m_layoutView.frameView()->scrollableAreas()) {
for (ScrollableArea* scrollableArea : *scrollableAreas)
layersChanged |= scrollableArea->updateAfterCompositingChange();
}
}
if (layersChanged) {
updateType = std::max(updateType, CompositingUpdateRebuildTree);
if (ScrollingCoordinator* scrollingCoordinator = this->scrollingCoordinator())
scrollingCoordinator->notifyGeometryChanged();
}
}
if (updateType != CompositingUpdateNone) {
if (RuntimeEnabledFeatures::compositorWorkerEnabled() && m_scrollLayer) {
if (Element* scrollingElement = m_layoutView.document().scrollingElement()) {
uint64_t elementId = 0;
uint32_t mutableProperties = WebCompositorMutablePropertyNone;
if (scrollingElement->hasCompositorProxy()) {
elementId = DOMNodeIds::idForNode(scrollingElement);
mutableProperties = (WebCompositorMutablePropertyScrollLeft | WebCompositorMutablePropertyScrollTop) & scrollingElement->compositorMutableProperties();
}
m_scrollLayer->setElementId(elementId);
m_scrollLayer->setCompositorMutableProperties(mutableProperties);
}
}
GraphicsLayerUpdater updater;
updater.update(*updateRoot, layersNeedingPaintInvalidation);
if (updater.needsRebuildTree())
updateType = std::max(updateType, CompositingUpdateRebuildTree);
#if ENABLE(ASSERT)
// FIXME: Move this check to the end of the compositing update.
GraphicsLayerUpdater::assertNeedsToUpdateGraphicsLayerBitsCleared(*updateRoot);
#endif
}
if (updateType >= CompositingUpdateRebuildTree) {
GraphicsLayerTreeBuilder::AncestorInfo ancestorInfo;
GraphicsLayerVector childList;
ancestorInfo.childLayersOfEnclosingCompositedLayer = &childList;
{
TRACE_EVENT0("blink", "GraphicsLayerTreeBuilder::rebuild");
GraphicsLayerTreeBuilder().rebuild(*updateRoot, ancestorInfo);
}
if (childList.isEmpty())
destroyRootLayer();
else
m_rootContentLayer->setChildren(childList);
applyOverlayFullscreenVideoAdjustmentIfNeeded();
}
if (m_needsUpdateFixedBackground) {
rootFixedBackgroundsChanged();
m_needsUpdateFixedBackground = false;
}
for (unsigned i = 0; i < layersNeedingPaintInvalidation.size(); i++)
forceRecomputePaintInvalidationRectsIncludingNonCompositingDescendants(layersNeedingPaintInvalidation[i]->layoutObject());
m_layoutView.frameView()->setFrameTimingRequestsDirty(true);
// Inform the inspector that the layer tree has changed.
if (m_layoutView.frame()->isMainFrame())
InspectorInstrumentation::layerTreeDidChange(m_layoutView.frame());
}
void CompositorMutatorImpl::setNeedsMutate()
{
TRACE_EVENT0("compositor-worker", "CompositorMutatorImpl::setNeedsMutate");
m_client->setNeedsMutate();
}
gl::Error HLSLCompiler::compileToBinary(gl::InfoLog &infoLog, const std::string &hlsl, const std::string &profile,
const std::vector<CompileConfig> &configs, const D3D_SHADER_MACRO *overrideMacros,
ID3DBlob **outCompiledBlob, std::string *outDebugInfo)
{
ASSERT(mInitialized);
#if !defined(ANGLE_ENABLE_WINDOWS_STORE)
ASSERT(mD3DCompilerModule);
#endif
ASSERT(mD3DCompileFunc);
#if !defined(ANGLE_ENABLE_WINDOWS_STORE)
if (gl::DebugAnnotationsActive())
{
std::string sourcePath = getTempPath();
std::string sourceText = FormatString("#line 2 \"%s\"\n\n%s", sourcePath.c_str(), hlsl.c_str());
writeFile(sourcePath.c_str(), sourceText.c_str(), sourceText.size());
}
#endif
const D3D_SHADER_MACRO *macros = overrideMacros ? overrideMacros : nullptr;
for (size_t i = 0; i < configs.size(); ++i)
{
ID3DBlob *errorMessage = nullptr;
ID3DBlob *binary = nullptr;
HRESULT result = S_OK;
{
TRACE_EVENT0("gpu.angle", "D3DCompile");
SCOPED_ANGLE_HISTOGRAM_TIMER("GPU.ANGLE.D3DCompileMS");
result = mD3DCompileFunc(hlsl.c_str(), hlsl.length(), gl::g_fakepath, macros, nullptr,
"main", profile.c_str(), configs[i].flags, 0, &binary,
&errorMessage);
}
if (errorMessage)
{
std::string message = reinterpret_cast<const char*>(errorMessage->GetBufferPointer());
SafeRelease(errorMessage);
infoLog.appendSanitized(message.c_str());
TRACE("\n%s", hlsl.c_str());
TRACE("\n%s", message.c_str());
if ((message.find("error X3531:") != std::string::npos || // "can't unroll loops marked with loop attribute"
message.find("error X4014:") != std::string::npos) && // "cannot have gradient operations inside loops with divergent flow control",
// even though it is counter-intuitive to disable unrolling for this error,
// some very long shaders have trouble deciding which loops to unroll and
// turning off forced unrolls allows them to compile properly.
macros != nullptr)
{
macros = nullptr; // Disable [loop] and [flatten]
// Retry without changing compiler flags
i--;
continue;
}
}
if (SUCCEEDED(result))
{
*outCompiledBlob = binary;
(*outDebugInfo) += "// COMPILER INPUT HLSL BEGIN\n\n" + hlsl + "\n// COMPILER INPUT HLSL END\n";
#if ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO == ANGLE_ENABLED
(*outDebugInfo) += "\n\n// ASSEMBLY BEGIN\n\n";
(*outDebugInfo) += "// Compiler configuration: " + configs[i].name + "\n// Flags:\n";
for (size_t fIx = 0; fIx < ArraySize(CompilerFlagInfos); ++fIx)
{
if (IsCompilerFlagSet(configs[i].flags, CompilerFlagInfos[fIx].mFlag))
{
(*outDebugInfo) += std::string("// ") + CompilerFlagInfos[fIx].mName + "\n";
}
}
(*outDebugInfo) += "// Macros:\n";
if (macros == nullptr)
{
(*outDebugInfo) += "// - : -\n";
}
else
{
for (const D3D_SHADER_MACRO *mIt = macros; mIt->Name != nullptr; ++mIt)
{
(*outDebugInfo) += std::string("// ") + mIt->Name + " : " + mIt->Definition + "\n";
}
}
std::string disassembly;
ANGLE_TRY(disassembleBinary(binary, &disassembly));
(*outDebugInfo) += "\n" + disassembly + "\n// ASSEMBLY END\n";
#endif // ANGLE_APPEND_ASSEMBLY_TO_SHADER_DEBUG_INFO == ANGLE_ENABLED
return gl::NoError();
}
if (result == E_OUTOFMEMORY)
{
*outCompiledBlob = nullptr;
return gl::Error(GL_OUT_OF_MEMORY, "HLSL compiler had an unexpected failure, result: 0x%X.", result);
}
infoLog << "Warning: D3D shader compilation failed with " << configs[i].name << " flags. ("
<< profile << ")";
if (i + 1 < configs.size())
{
infoLog << " Retrying with " << configs[i + 1].name;
}
}
// None of the configurations succeeded in compiling this shader but the compiler is still intact
*outCompiledBlob = nullptr;
return gl::NoError();
}
void Image::drawPattern(GraphicsContext* context,
const FloatRect& floatSrcRect,
const AffineTransform& patternTransform,
const FloatPoint& phase,
ColorSpace styleColorSpace,
CompositeOperator compositeOp,
const FloatRect& destRect,
BlendMode blendMode)
{
TRACE_EVENT0("skia", "Image::drawPattern");
RefPtr<NativeImageSkia> bitmap = nativeImageForCurrentFrame();
if (!bitmap)
return;
FloatRect normSrcRect = adjustForNegativeSize(floatSrcRect);
normSrcRect.intersect(FloatRect(0, 0, bitmap->bitmap().width(), bitmap->bitmap().height()));
if (destRect.isEmpty() || normSrcRect.isEmpty())
return; // nothing to draw
SkMatrix ctm = context->getTotalMatrix();
SkMatrix totalMatrix;
totalMatrix.setConcat(ctm, patternTransform);
// Figure out what size the bitmap will be in the destination. The
// destination rect is the bounds of the pattern, we need to use the
// matrix to see how big it will be.
SkRect destRectTarget;
totalMatrix.mapRect(&destRectTarget, normSrcRect);
float destBitmapWidth = SkScalarToFloat(destRectTarget.width());
float destBitmapHeight = SkScalarToFloat(destRectTarget.height());
// Compute the resampling mode.
ResamplingMode resampling;
if (context->isAccelerated() || context->printing())
resampling = RESAMPLE_LINEAR;
else
resampling = computeResamplingMode(totalMatrix, *bitmap, normSrcRect.width(), normSrcRect.height(), destBitmapWidth, destBitmapHeight);
resampling = limitResamplingMode(context, resampling);
// Load the transform WebKit requested.
SkMatrix matrix(patternTransform);
SkShader* shader;
if (resampling == RESAMPLE_AWESOME) {
// Do nice resampling.
float scaleX = destBitmapWidth / normSrcRect.width();
float scaleY = destBitmapHeight / normSrcRect.height();
SkRect scaledSrcRect;
SkIRect enclosingScaledSrcRect;
// The image fragment generated here is not exactly what is
// requested. The scale factor used is approximated and image
// fragment is slightly larger to align to integer
// boundaries.
SkBitmap resampled = extractScaledImageFragment(*bitmap, normSrcRect, scaleX, scaleY, &scaledSrcRect, &enclosingScaledSrcRect);
shader = SkShader::CreateBitmapShader(resampled, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
// Since we just resized the bitmap, we need to remove the scale
// applied to the pixels in the bitmap shader. This means we need
// CTM * patternTransform to have identity scale. Since we
// can't modify CTM (or the rectangle will be drawn in the wrong
// place), we must set patternTransform's scale to the inverse of
// CTM scale.
matrix.setScaleX(ctm.getScaleX() ? 1 / ctm.getScaleX() : 1);
matrix.setScaleY(ctm.getScaleY() ? 1 / ctm.getScaleY() : 1);
} else {
// No need to do nice resampling.
SkBitmap srcSubset;
bitmap->bitmap().extractSubset(&srcSubset, enclosingIntRect(normSrcRect));
shader = SkShader::CreateBitmapShader(srcSubset, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
}
// We also need to translate it such that the origin of the pattern is the
// origin of the destination rect, which is what WebKit expects. Skia uses
// the coordinate system origin as the base for the patter. If WebKit wants
// a shifted image, it will shift it from there using the patternTransform.
float adjustedX = phase.x() + normSrcRect.x() *
narrowPrecisionToFloat(patternTransform.a());
float adjustedY = phase.y() + normSrcRect.y() *
narrowPrecisionToFloat(patternTransform.d());
matrix.postTranslate(SkFloatToScalar(adjustedX),
SkFloatToScalar(adjustedY));
shader->setLocalMatrix(matrix);
SkPaint paint;
paint.setShader(shader)->unref();
paint.setXfermodeMode(WebCoreCompositeToSkiaComposite(compositeOp, blendMode));
paint.setFilterBitmap(resampling == RESAMPLE_LINEAR);
context->drawRect(destRect, paint);
}
GrGLProgram* GrGLProgramBuilder::finalize() {
TRACE_EVENT0("skia", TRACE_FUNC);
// verify we can get a program id
GrGLuint programID;
GL_CALL_RET(programID, CreateProgram());
if (0 == programID) {
this->cleanupFragmentProcessors();
return nullptr;
}
if (this->gpu()->glCaps().programBinarySupport() &&
this->gpu()->getContext()->contextPriv().getPersistentCache()) {
GL_CALL(ProgramParameteri(programID, GR_GL_PROGRAM_BINARY_RETRIEVABLE_HINT, GR_GL_TRUE));
}
this->finalizeShaders();
// compile shaders and bind attributes / uniforms
const GrPrimitiveProcessor& primProc = this->primitiveProcessor();
SkSL::Program::Settings settings;
settings.fCaps = this->gpu()->glCaps().shaderCaps();
settings.fFlipY = this->pipeline().proxy()->origin() != kTopLeft_GrSurfaceOrigin;
settings.fSharpenTextures = this->gpu()->getContext()->contextPriv().sharpenMipmappedTextures();
settings.fFragColorIsInOut = this->fragColorIsInOut();
SkSL::Program::Inputs inputs;
SkTDArray<GrGLuint> shadersToDelete;
bool cached = fGpu->glCaps().programBinarySupport() && nullptr != fCached.get();
if (cached) {
this->bindProgramResourceLocations(programID);
// cache hit, just hand the binary to GL
const uint8_t* bytes = fCached->bytes();
size_t offset = 0;
memcpy(&inputs, bytes + offset, sizeof(inputs));
offset += sizeof(inputs);
int binaryFormat;
memcpy(&binaryFormat, bytes + offset, sizeof(binaryFormat));
offset += sizeof(binaryFormat);
GrGLClearErr(this->gpu()->glInterface());
GR_GL_CALL_NOERRCHECK(this->gpu()->glInterface(),
ProgramBinary(programID, binaryFormat, (void*) (bytes + offset),
fCached->size() - offset));
if (GR_GL_GET_ERROR(this->gpu()->glInterface()) == GR_GL_NO_ERROR) {
if (inputs.fRTHeight) {
this->addRTHeightUniform(SKSL_RTHEIGHT_NAME);
}
cached = this->checkLinkStatus(programID);
} else {
cached = false;
}
}
if (!cached) {
// cache miss, compile shaders
if (fFS.fForceHighPrecision) {
settings.fForceHighPrecision = true;
}
SkSL::String glsl;
std::unique_ptr<SkSL::Program> fs = GrSkSLtoGLSL(gpu()->glContext(),
GR_GL_FRAGMENT_SHADER,
fFS.fCompilerStrings.begin(),
fFS.fCompilerStringLengths.begin(),
fFS.fCompilerStrings.count(),
settings,
&glsl);
inputs = fs->fInputs;
if (inputs.fRTHeight) {
this->addRTHeightUniform(SKSL_RTHEIGHT_NAME);
}
if (!this->compileAndAttachShaders(glsl.c_str(), glsl.size(), programID,
GR_GL_FRAGMENT_SHADER, &shadersToDelete, settings,
inputs)) {
this->cleanupProgram(programID, shadersToDelete);
return nullptr;
}
std::unique_ptr<SkSL::Program> vs = GrSkSLtoGLSL(gpu()->glContext(),
GR_GL_VERTEX_SHADER,
fVS.fCompilerStrings.begin(),
fVS.fCompilerStringLengths.begin(),
fVS.fCompilerStrings.count(),
settings,
&glsl);
if (!this->compileAndAttachShaders(glsl.c_str(), glsl.size(), programID,
GR_GL_VERTEX_SHADER, &shadersToDelete, settings,
inputs)) {
this->cleanupProgram(programID, shadersToDelete);
return nullptr;
}
// NVPR actually requires a vertex shader to compile
bool useNvpr = primProc.isPathRendering();
if (!useNvpr) {
int vaCount = primProc.numAttribs();
for (int i = 0; i < vaCount; i++) {
GL_CALL(BindAttribLocation(programID, i, primProc.getAttrib(i).fName));
}
}
if (primProc.willUseGeoShader()) {
std::unique_ptr<SkSL::Program> gs;
gs = GrSkSLtoGLSL(gpu()->glContext(),
GR_GL_GEOMETRY_SHADER,
fGS.fCompilerStrings.begin(),
fGS.fCompilerStringLengths.begin(),
fGS.fCompilerStrings.count(),
settings,
&glsl);
if (!this->compileAndAttachShaders(glsl.c_str(), glsl.size(), programID,
GR_GL_GEOMETRY_SHADER, &shadersToDelete, settings,
inputs)) {
this->cleanupProgram(programID, shadersToDelete);
return nullptr;
}
}
this->bindProgramResourceLocations(programID);
GL_CALL(LinkProgram(programID));
}
// Calling GetProgramiv is expensive in Chromium. Assume success in release builds.
bool checkLinked = kChromium_GrGLDriver != fGpu->ctxInfo().driver();
#ifdef SK_DEBUG
checkLinked = true;
#endif
if (checkLinked) {
if (!this->checkLinkStatus(programID)) {
SkDebugf("VS:\n");
GrGLPrintShader(fGpu->glContext(), GR_GL_VERTEX_SHADER, fVS.fCompilerStrings.begin(),
fVS.fCompilerStringLengths.begin(), fVS.fCompilerStrings.count(),
settings);
if (primProc.willUseGeoShader()) {
SkDebugf("\nGS:\n");
GrGLPrintShader(fGpu->glContext(), GR_GL_GEOMETRY_SHADER,
fGS.fCompilerStrings.begin(), fGS.fCompilerStringLengths.begin(),
fGS.fCompilerStrings.count(), settings);
}
SkDebugf("\nFS:\n");
GrGLPrintShader(fGpu->glContext(), GR_GL_FRAGMENT_SHADER, fFS.fCompilerStrings.begin(),
fFS.fCompilerStringLengths.begin(), fFS.fCompilerStrings.count(),
settings);
SkDEBUGFAIL("");
return nullptr;
}
}
this->resolveProgramResourceLocations(programID);
this->cleanupShaders(shadersToDelete);
if (!cached && this->gpu()->getContext()->contextPriv().getPersistentCache() &&
fGpu->glCaps().programBinarySupport()) {
GrGLsizei length = 0;
GL_CALL(GetProgramiv(programID, GL_PROGRAM_BINARY_LENGTH, &length));
if (length > 0) {
// store shader in cache
sk_sp<SkData> key = SkData::MakeWithoutCopy(desc()->asKey(), desc()->keyLength());
GrGLenum binaryFormat;
std::unique_ptr<char[]> binary(new char[length]);
GL_CALL(GetProgramBinary(programID, length, &length, &binaryFormat, binary.get()));
size_t dataLength = sizeof(inputs) + sizeof(binaryFormat) + length;
std::unique_ptr<uint8_t[]> data(new uint8_t[dataLength]);
size_t offset = 0;
memcpy(data.get() + offset, &inputs, sizeof(inputs));
offset += sizeof(inputs);
memcpy(data.get() + offset, &binaryFormat, sizeof(binaryFormat));
offset += sizeof(binaryFormat);
memcpy(data.get() + offset, binary.get(), length);
this->gpu()->getContext()->contextPriv().getPersistentCache()->store(
*key, *SkData::MakeWithoutCopy(data.get(), dataLength));
}
}
return this->createProgram(programID);
}
void sortLayers(Vector<CCLayerImpl*>::iterator first, Vector<CCLayerImpl*>::iterator end, CCLayerSorter* layerSorter)
{
TRACE_EVENT0("cc", "LayerRendererChromium::sortLayers");
layerSorter->sort(first, end);
}
EGLint SwapChain11::resize(EGLint backbufferWidth, EGLint backbufferHeight)
{
TRACE_EVENT0("gpu.angle", "SwapChain11::resize");
ID3D11Device *device = mRenderer->getDevice();
if (device == NULL)
{
return EGL_BAD_ACCESS;
}
// EGL allows creating a surface with 0x0 dimension, however, DXGI does not like 0x0 swapchains
if (backbufferWidth < 1 || backbufferHeight < 1)
{
return EGL_SUCCESS;
}
// Don't resize unnecessarily
if (mWidth == backbufferWidth && mHeight == backbufferHeight)
{
return EGL_SUCCESS;
}
// Can only call resize if we have already created our swap buffer and resources
ASSERT(mSwapChain && mBackBufferTexture && mBackBufferRTView && mBackBufferSRView);
SafeRelease(mBackBufferTexture);
SafeRelease(mBackBufferRTView);
SafeRelease(mBackBufferSRView);
// Resize swap chain
DXGI_SWAP_CHAIN_DESC desc;
HRESULT result = mSwapChain->GetDesc(&desc);
if (FAILED(result))
{
ERR("Error reading swap chain description: 0x%08X", result);
release();
return EGL_BAD_ALLOC;
}
result = mSwapChain->ResizeBuffers(desc.BufferCount, backbufferWidth, backbufferHeight, getSwapChainNativeFormat(), 0);
if (FAILED(result))
{
ERR("Error resizing swap chain buffers: 0x%08X", result);
release();
if (d3d11::isDeviceLostError(result))
{
return EGL_CONTEXT_LOST;
}
else
{
return EGL_BAD_ALLOC;
}
}
result = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&mBackBufferTexture);
ASSERT(SUCCEEDED(result));
if (SUCCEEDED(result))
{
d3d11::SetDebugName(mBackBufferTexture, "Back buffer texture");
result = device->CreateRenderTargetView(mBackBufferTexture, NULL, &mBackBufferRTView);
ASSERT(SUCCEEDED(result));
if (SUCCEEDED(result))
{
d3d11::SetDebugName(mBackBufferRTView, "Back buffer render target");
}
result = device->CreateShaderResourceView(mBackBufferTexture, nullptr, &mBackBufferSRView);
ASSERT(SUCCEEDED(result));
if (SUCCEEDED(result))
{
d3d11::SetDebugName(mBackBufferSRView, "Back buffer shader resource");
}
}
mFirstSwap = true;
return resetOffscreenBuffers(backbufferWidth, backbufferHeight);
}
// Create a new environment and setup the global object.
//
// The global object corresponds to a DOMWindow instance. However, to
// allow properties of the JS DOMWindow instance to be shadowed, we
// use a shadow object as the global object and use the JS DOMWindow
// instance as the prototype for that shadow object. The JS DOMWindow
// instance is undetectable from JavaScript code because the __proto__
// accessors skip that object.
//
// The shadow object and the DOMWindow instance are seen as one object
// from JavaScript. The JavaScript object that corresponds to a
// DOMWindow instance is the shadow object. When mapping a DOMWindow
// instance to a V8 object, we return the shadow object.
//
// To implement split-window, see
// 1) https://bugs.webkit.org/show_bug.cgi?id=17249
// 2) https://wiki.mozilla.org/Gecko:SplitWindow
// 3) https://bugzilla.mozilla.org/show_bug.cgi?id=296639
// we need to split the shadow object further into two objects:
// an outer window and an inner window. The inner window is the hidden
// prototype of the outer window. The inner window is the default
// global object of the context. A variable declared in the global
// scope is a property of the inner window.
//
// The outer window sticks to a Frame, it is exposed to JavaScript
// via window.window, window.self, window.parent, etc. The outer window
// has a security token which is the domain. The outer window cannot
// have its own properties. window.foo = 'x' is delegated to the
// inner window.
//
// When a frame navigates to a new page, the inner window is cut off
// the outer window, and the outer window identify is preserved for
// the frame. However, a new inner window is created for the new page.
// If there are JS code holds a closure to the old inner window,
// it won't be able to reach the outer window via its global object.
bool V8WindowShell::initializeIfNeeded()
{
if (m_contextHolder)
return true;
TRACE_EVENT0("v8", "V8WindowShell::initializeIfNeeded");
v8::HandleScope handleScope(m_isolate);
createContext();
if (!m_contextHolder)
return false;
v8::Handle<v8::Context> context = m_contextHolder->context();
V8PerContextDataHolder::install(context);
m_world->setIsolatedWorldField(context);
bool isMainWorld = m_world->isMainWorld();
v8::Context::Scope contextScope(context);
if (m_global.isEmpty()) {
m_global.set(m_isolate, context->Global());
if (m_global.isEmpty()) {
disposeContext(DoNotDetachGlobal);
return false;
}
}
if (!isMainWorld) {
V8WindowShell* mainWindow = m_frame->script().existingWindowShell(mainThreadNormalWorld());
if (mainWindow && !mainWindow->context().IsEmpty())
setInjectedScriptContextDebugId(context, m_frame->script().contextDebugId(mainWindow->context()));
}
m_perContextData = V8PerContextData::create(context);
if (!m_perContextData->init()) {
disposeContext(DoNotDetachGlobal);
return false;
}
m_perContextData->setActivityLogger(DOMWrapperWorld::activityLogger(m_world->worldId()));
if (!installDOMWindow()) {
disposeContext(DoNotDetachGlobal);
return false;
}
if (isMainWorld) {
updateDocument();
setSecurityToken();
if (m_frame->document()) {
ContentSecurityPolicy* csp = m_frame->document()->contentSecurityPolicy();
context->AllowCodeGenerationFromStrings(csp->allowEval(0, ContentSecurityPolicy::SuppressReport));
context->SetErrorMessageForCodeGenerationFromStrings(v8String(m_isolate, csp->evalDisabledErrorMessage()));
}
} else {
// Using the default security token means that the canAccess is always
// called, which is slow.
// FIXME: Use tokens where possible. This will mean keeping track of all
// created contexts so that they can all be updated when the
// document domain
// changes.
context->UseDefaultSecurityToken();
SecurityOrigin* origin = m_world->isolatedWorldSecurityOrigin();
if (origin && InspectorInstrumentation::hasFrontends()) {
ScriptState* scriptState = ScriptState::forContext(v8::Local<v8::Context>::New(m_isolate, context));
InspectorInstrumentation::didCreateIsolatedContext(m_frame, scriptState, origin);
}
}
m_frame->loader().client()->didCreateScriptContext(context, m_world->extensionGroup(), m_world->worldId());
return true;
}
void SwapChain11::initPassThroughResources()
{
if (mPassThroughResourcesInit)
{
return;
}
TRACE_EVENT0("gpu.angle", "SwapChain11::initPassThroughResources");
ID3D11Device *device = mRenderer->getDevice();
ASSERT(device != NULL);
// Make sure our resources are all not allocated, when we create
ASSERT(mQuadVB == NULL && mPassThroughSampler == NULL);
ASSERT(mPassThroughIL == NULL && mPassThroughVS == NULL && mPassThroughPS == NULL);
D3D11_BUFFER_DESC vbDesc;
vbDesc.ByteWidth = sizeof(d3d11::PositionTexCoordVertex) * 4;
vbDesc.Usage = D3D11_USAGE_DYNAMIC;
vbDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
vbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
vbDesc.MiscFlags = 0;
vbDesc.StructureByteStride = 0;
HRESULT result = device->CreateBuffer(&vbDesc, NULL, &mQuadVB);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mQuadVB, "Swap chain quad vertex buffer");
D3D11_SAMPLER_DESC samplerDesc;
samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP;
samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP;
samplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP;
samplerDesc.MipLODBias = 0.0f;
samplerDesc.MaxAnisotropy = 0;
samplerDesc.ComparisonFunc = D3D11_COMPARISON_NEVER;
samplerDesc.BorderColor[0] = 0.0f;
samplerDesc.BorderColor[1] = 0.0f;
samplerDesc.BorderColor[2] = 0.0f;
samplerDesc.BorderColor[3] = 0.0f;
samplerDesc.MinLOD = 0;
samplerDesc.MaxLOD = D3D11_FLOAT32_MAX;
result = device->CreateSamplerState(&samplerDesc, &mPassThroughSampler);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mPassThroughSampler, "Swap chain pass through sampler");
D3D11_INPUT_ELEMENT_DESC quadLayout[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 8, D3D11_INPUT_PER_VERTEX_DATA, 0 },
};
result = device->CreateInputLayout(quadLayout, 2, g_VS_Passthrough2D, sizeof(g_VS_Passthrough2D), &mPassThroughIL);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mPassThroughIL, "Swap chain pass through layout");
result = device->CreateVertexShader(g_VS_Passthrough2D, sizeof(g_VS_Passthrough2D), NULL, &mPassThroughVS);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mPassThroughVS, "Swap chain pass through vertex shader");
result = device->CreatePixelShader(g_PS_PassthroughRGBA2D, sizeof(g_PS_PassthroughRGBA2D), NULL, &mPassThroughPS);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mPassThroughPS, "Swap chain pass through pixel shader");
// Use the default rasterizer state but without culling
D3D11_RASTERIZER_DESC rasterizerDesc;
rasterizerDesc.FillMode = D3D11_FILL_SOLID;
rasterizerDesc.CullMode = D3D11_CULL_NONE;
rasterizerDesc.FrontCounterClockwise = FALSE;
rasterizerDesc.DepthBias = 0;
rasterizerDesc.SlopeScaledDepthBias = 0.0f;
rasterizerDesc.DepthBiasClamp = 0.0f;
rasterizerDesc.DepthClipEnable = TRUE;
rasterizerDesc.ScissorEnable = FALSE;
rasterizerDesc.MultisampleEnable = FALSE;
rasterizerDesc.AntialiasedLineEnable = FALSE;
result = device->CreateRasterizerState(&rasterizerDesc, &mPassThroughRS);
ASSERT(SUCCEEDED(result));
d3d11::SetDebugName(mPassThroughRS, "Swap chain pass through rasterizer state");
mPassThroughResourcesInit = true;
}
Error Display::initialize()
{
// Re-initialize default platform if it's needed
InitDefaultPlatformImpl();
SCOPED_ANGLE_HISTOGRAM_TIMER("GPU.ANGLE.DisplayInitializeMS");
TRACE_EVENT0("gpu.angle", "egl::Display::initialize");
ASSERT(mImplementation != nullptr);
if (isInitialized())
{
return Error(EGL_SUCCESS);
}
Error error = mImplementation->initialize(this);
if (error.isError())
{
// Log extended error message here
std::stringstream errorStream;
errorStream << "ANGLE Display::initialize error " << error.getID() << ": "
<< error.getMessage();
ANGLEPlatformCurrent()->logError(errorStream.str().c_str());
return error;
}
mCaps = mImplementation->getCaps();
mConfigSet = mImplementation->generateConfigs();
if (mConfigSet.size() == 0)
{
mImplementation->terminate();
return Error(EGL_NOT_INITIALIZED);
}
initDisplayExtensions();
initVendorString();
// Populate the Display's EGLDeviceEXT if the Display wasn't created using one
if (mPlatform != EGL_PLATFORM_DEVICE_EXT)
{
if (mDisplayExtensions.deviceQuery)
{
rx::DeviceImpl *impl = nullptr;
error = mImplementation->getDevice(&impl);
if (error.isError())
{
return error;
}
error = Device::CreateDevice(this, impl, &mDevice);
if (error.isError())
{
return error;
}
}
else
{
mDevice = nullptr;
}
}
else
{
// For EGL_PLATFORM_DEVICE_EXT, mDevice should always be populated using
// an external device
ASSERT(mDevice != nullptr);
}
mInitialized = true;
return Error(EGL_SUCCESS);
}