void
LayerManagerComposite::Destroy()
{
if (!mDestroyed) {
mCompositor->GetWidget()->CleanupWindowEffects();
if (mRoot) {
RootLayer()->Destroy();
}
mRoot = nullptr;
mDestroyed = true;
}
}
void
LayerManagerComposite::Destroy()
{
if (!mDestroyed) {
mCompositor->GetWidget()->CleanupWindowEffects();
if (mRoot) {
RootLayer()->Destroy();
}
mCompositor->CancelFrame();
mRoot = nullptr;
mClonedLayerTreeProperties = nullptr;
mPaintCounter = nullptr;
mDestroyed = true;
}
}
void
LayerManagerOGL::Render()
{
SAMPLE_LABEL("LayerManagerOGL", "Render");
if (mDestroyed) {
NS_WARNING("Call on destroyed layer manager");
return;
}
nsIntRect rect;
mWidget->GetClientBounds(rect);
WorldTransformRect(rect);
GLint width = rect.width;
GLint height = rect.height;
// We can't draw anything to something with no area
// so just return
if (width == 0 || height == 0)
return;
// If the widget size changed, we have to force a MakeCurrent
// to make sure that GL sees the updated widget size.
if (mWidgetSize.width != width ||
mWidgetSize.height != height)
{
MakeCurrent(true);
mWidgetSize.width = width;
mWidgetSize.height = height;
} else {
MakeCurrent();
}
SetupBackBuffer(width, height);
SetupPipeline(width, height, ApplyWorldTransform);
// Default blend function implements "OVER"
mGLContext->fBlendFuncSeparate(LOCAL_GL_ONE, LOCAL_GL_ONE_MINUS_SRC_ALPHA,
LOCAL_GL_ONE, LOCAL_GL_ONE);
mGLContext->fEnable(LOCAL_GL_BLEND);
const nsIntRect *clipRect = mRoot->GetClipRect();
if (clipRect) {
nsIntRect r = *clipRect;
WorldTransformRect(r);
mGLContext->fScissor(r.x, r.y, r.width, r.height);
} else {
mGLContext->fScissor(0, 0, width, height);
}
mGLContext->fEnable(LOCAL_GL_SCISSOR_TEST);
mGLContext->fClearColor(0.0, 0.0, 0.0, 0.0);
mGLContext->fClear(LOCAL_GL_COLOR_BUFFER_BIT | LOCAL_GL_DEPTH_BUFFER_BIT);
// Render our layers.
RootLayer()->RenderLayer(mGLContext->IsDoubleBuffered() ? 0 : mBackBufferFBO,
nsIntPoint(0, 0));
mWidget->DrawWindowOverlay(this, rect);
#ifdef MOZ_DUMP_PAINTING
if (gfxUtils::sDumpPainting) {
nsIntRect rect;
mWidget->GetBounds(rect);
nsRefPtr<gfxASurface> surf = gfxPlatform::GetPlatform()->CreateOffscreenSurface(rect.Size(), gfxASurface::CONTENT_COLOR_ALPHA);
nsRefPtr<gfxContext> ctx = new gfxContext(surf);
CopyToTarget(ctx);
WriteSnapshotToDumpFile(this, surf);
}
#endif
if (mTarget) {
CopyToTarget(mTarget);
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
return;
}
if (sDrawFPS) {
mFPS.DrawFPS(mGLContext, GetCopy2DProgram());
}
if (mGLContext->IsDoubleBuffered()) {
mGLContext->SwapBuffers();
LayerManager::PostPresent();
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
return;
}
mGLContext->fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, 0);
mGLContext->fActiveTexture(LOCAL_GL_TEXTURE0);
CopyProgram *copyprog = GetCopy2DProgram();
if (mFBOTextureTarget == LOCAL_GL_TEXTURE_RECTANGLE_ARB) {
copyprog = GetCopy2DRectProgram();
}
mGLContext->fBindTexture(mFBOTextureTarget, mBackBufferTexture);
copyprog->Activate();
copyprog->SetTextureUnit(0);
if (copyprog->GetTexCoordMultiplierUniformLocation() != -1) {
float f[] = { float(width), float(height) };
copyprog->SetUniform(copyprog->GetTexCoordMultiplierUniformLocation(),
2, f);
}
// we're going to use client-side vertex arrays for this.
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
// "COPY"
mGLContext->fBlendFuncSeparate(LOCAL_GL_ONE, LOCAL_GL_ZERO,
LOCAL_GL_ONE, LOCAL_GL_ZERO);
// enable our vertex attribs; we'll call glVertexPointer below
// to fill with the correct data.
GLint vcattr = copyprog->AttribLocation(CopyProgram::VertexCoordAttrib);
GLint tcattr = copyprog->AttribLocation(CopyProgram::TexCoordAttrib);
mGLContext->fEnableVertexAttribArray(vcattr);
mGLContext->fEnableVertexAttribArray(tcattr);
const nsIntRect *r;
nsIntRegionRectIterator iter(mClippingRegion);
while ((r = iter.Next()) != nsnull) {
nsIntRect cRect = *r;
r = &cRect;
WorldTransformRect(cRect);
float left = (GLfloat)r->x / width;
float right = (GLfloat)r->XMost() / width;
float top = (GLfloat)r->y / height;
float bottom = (GLfloat)r->YMost() / height;
float vertices[] = { left * 2.0f - 1.0f,
-(top * 2.0f - 1.0f),
right * 2.0f - 1.0f,
-(top * 2.0f - 1.0f),
left * 2.0f - 1.0f,
-(bottom * 2.0f - 1.0f),
right * 2.0f - 1.0f,
-(bottom * 2.0f - 1.0f)
};
// Use flipped texture coordinates since our
// projection matrix also has a flip and we
// need to cancel that out.
float coords[] = { left, bottom,
right, bottom,
left, top,
right, top
};
mGLContext->fVertexAttribPointer(vcattr,
2, LOCAL_GL_FLOAT,
LOCAL_GL_FALSE,
0, vertices);
mGLContext->fVertexAttribPointer(tcattr,
2, LOCAL_GL_FLOAT,
LOCAL_GL_FALSE,
0, coords);
mGLContext->fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
}
mGLContext->fDisableVertexAttribArray(vcattr);
mGLContext->fDisableVertexAttribArray(tcattr);
mGLContext->fFlush();
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
}
void
LayerManagerComposite::RenderToPresentationSurface()
{
if (!AndroidBridge::Bridge()) {
return;
}
void* window = AndroidBridge::Bridge()->GetPresentationWindow();
if (!window) {
return;
}
EGLSurface surface = AndroidBridge::Bridge()->GetPresentationSurface();
if (!surface) {
//create surface;
surface = GLContextProviderEGL::CreateEGLSurface(window);
if (!surface) {
return;
}
AndroidBridge::Bridge()->SetPresentationSurface(surface);
}
CompositorOGL* compositor = static_cast<CompositorOGL*>(mCompositor.get());
GLContext* gl = compositor->gl();
GLContextEGL* egl = GLContextEGL::Cast(gl);
if (!egl) {
return;
}
const IntSize windowSize = AndroidBridge::Bridge()->GetNativeWindowSize(window);
if ((windowSize.width <= 0) || (windowSize.height <= 0)) {
return;
}
const int actualWidth = windowSize.width;
const int actualHeight = windowSize.height;
const gfx::IntSize originalSize = compositor->GetDestinationSurfaceSize();
const int pageWidth = originalSize.width;
const int pageHeight = originalSize.height;
float scale = 1.0;
if ((pageWidth > actualWidth) || (pageHeight > actualHeight)) {
const float scaleWidth = (float)actualWidth / (float)pageWidth;
const float scaleHeight = (float)actualHeight / (float)pageHeight;
scale = scaleWidth <= scaleHeight ? scaleWidth : scaleHeight;
}
const gfx::IntSize actualSize(actualWidth, actualHeight);
ScopedCompostitorSurfaceSize overrideSurfaceSize(compositor, actualSize);
const ScreenPoint offset((actualWidth - (int)(scale * pageWidth)) / 2, 0);
ScopedCompositorRenderOffset overrideRenderOffset(compositor, offset);
ScopedContextSurfaceOverride overrideSurface(egl, surface);
nsIntRegion invalid;
Rect bounds(0.0f, 0.0f, scale * pageWidth, (float)actualHeight);
Rect rect, actualBounds;
mCompositor->BeginFrame(invalid, nullptr, bounds, &rect, &actualBounds);
// Override the projection matrix since the presentation frame buffer
// is probably not the same size as the device frame buffer. The override
// projection matrix also scales the content to fit into the presentation
// frame buffer.
Matrix viewMatrix;
viewMatrix.PreTranslate(-1.0, 1.0);
viewMatrix.PreScale((2.0f * scale) / (float)actualWidth, (2.0f * scale) / (float)actualHeight);
viewMatrix.PreScale(1.0f, -1.0f);
viewMatrix.PreTranslate((int)((float)offset.x / scale), offset.y);
Matrix4x4 projMatrix = Matrix4x4::From2D(viewMatrix);
ScopedCompositorProjMatrix overrideProjMatrix(compositor, projMatrix);
// The Java side of Fennec sets a scissor rect that accounts for
// chrome such as the URL bar. Override that so that the entire frame buffer
// is cleared.
ScopedScissorRect screen(egl, 0, 0, actualWidth, actualHeight);
egl->fClearColor(0.0, 0.0, 0.0, 0.0);
egl->fClear(LOCAL_GL_COLOR_BUFFER_BIT);
const IntRect clipRect = IntRect(0, 0, (int)(scale * pageWidth), actualHeight);
RootLayer()->Prepare(RenderTargetPixel::FromUntyped(clipRect));
RootLayer()->RenderLayer(clipRect);
mCompositor->EndFrame();
mCompositor->SetDispAcquireFence(mRoot);
}
void
LayerManagerComposite::Render()
{
PROFILER_LABEL("LayerManagerComposite", "Render",
js::ProfileEntry::Category::GRAPHICS);
if (mDestroyed) {
NS_WARNING("Call on destroyed layer manager");
return;
}
// At this time, it doesn't really matter if these preferences change
// during the execution of the function; we should be safe in all
// permutations. However, may as well just get the values onces and
// then use them, just in case the consistency becomes important in
// the future.
bool invertVal = gfxPrefs::LayersEffectInvert();
bool grayscaleVal = gfxPrefs::LayersEffectGrayscale();
float contrastVal = gfxPrefs::LayersEffectContrast();
bool haveLayerEffects = (invertVal || grayscaleVal || contrastVal != 0.0);
// Set LayerScope begin/end frame
LayerScopeAutoFrame frame(PR_Now());
// Dump to console
if (gfxPrefs::LayersDump()) {
this->Dump();
} else if (profiler_feature_active("layersdump")) {
std::stringstream ss;
Dump(ss);
profiler_log(ss.str().c_str());
}
// Dump to LayerScope Viewer
if (LayerScope::CheckSendable()) {
// Create a LayersPacket, dump Layers into it and transfer the
// packet('s ownership) to LayerScope.
auto packet = MakeUnique<layerscope::Packet>();
layerscope::LayersPacket* layersPacket = packet->mutable_layers();
this->Dump(layersPacket);
LayerScope::SendLayerDump(Move(packet));
}
/** Our more efficient but less powerful alter ego, if one is available. */
nsRefPtr<Composer2D> composer2D;
composer2D = mCompositor->GetWidget()->GetComposer2D();
// We can't use composert2D if we have layer effects
if (!mTarget && !haveLayerEffects &&
gfxPrefs::Composer2DCompositionEnabled() &&
composer2D && composer2D->HasHwc() && composer2D->TryRenderWithHwc(mRoot,
mCompositor->GetWidget(), mGeometryChanged))
{
LayerScope::SetHWComposed();
if (mFPS) {
double fps = mFPS->mCompositionFps.AddFrameAndGetFps(TimeStamp::Now());
if (gfxPrefs::LayersDrawFPS()) {
printf_stderr("HWComposer: FPS is %g\n", fps);
}
}
mCompositor->EndFrameForExternalComposition(Matrix());
// Reset the invalid region as compositing is done
mInvalidRegion.SetEmpty();
mLastFrameMissedHWC = false;
return;
} else if (!mTarget && !haveLayerEffects) {
mLastFrameMissedHWC = !!composer2D;
}
{
PROFILER_LABEL("LayerManagerComposite", "PreRender",
js::ProfileEntry::Category::GRAPHICS);
if (!mCompositor->GetWidget()->PreRender(this)) {
return;
}
}
nsIntRegion invalid;
if (mTarget) {
invalid = mTargetBounds;
} else {
invalid = mInvalidRegion;
// Reset the invalid region now that we've begun compositing.
mInvalidRegion.SetEmpty();
}
ParentLayerIntRect clipRect;
Rect bounds(mRenderBounds.x, mRenderBounds.y, mRenderBounds.width, mRenderBounds.height);
Rect actualBounds;
CompositorBench(mCompositor, bounds);
if (mRoot->GetClipRect()) {
clipRect = *mRoot->GetClipRect();
Rect rect(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
mCompositor->BeginFrame(invalid, &rect, bounds, nullptr, &actualBounds);
} else {
gfx::Rect rect;
mCompositor->BeginFrame(invalid, nullptr, bounds, &rect, &actualBounds);
clipRect = ParentLayerIntRect(rect.x, rect.y, rect.width, rect.height);
}
if (actualBounds.IsEmpty()) {
mCompositor->GetWidget()->PostRender(this);
return;
}
// Allow widget to render a custom background.
mCompositor->GetWidget()->DrawWindowUnderlay(this, IntRect(actualBounds.x,
actualBounds.y,
actualBounds.width,
actualBounds.height));
RefPtr<CompositingRenderTarget> previousTarget;
if (haveLayerEffects) {
previousTarget = PushGroupForLayerEffects();
} else {
mTwoPassTmpTarget = nullptr;
}
// Render our layers.
RootLayer()->Prepare(ViewAs<RenderTargetPixel>(clipRect, PixelCastJustification::RenderTargetIsParentLayerForRoot));
RootLayer()->RenderLayer(ParentLayerIntRect::ToUntyped(clipRect));
if (!mRegionToClear.IsEmpty()) {
nsIntRegionRectIterator iter(mRegionToClear);
const IntRect *r;
while ((r = iter.Next())) {
mCompositor->ClearRect(Rect(r->x, r->y, r->width, r->height));
}
}
if (mTwoPassTmpTarget) {
MOZ_ASSERT(haveLayerEffects);
PopGroupForLayerEffects(previousTarget, ParentLayerIntRect::ToUntyped(clipRect),
grayscaleVal, invertVal, contrastVal);
}
// Allow widget to render a custom foreground.
mCompositor->GetWidget()->DrawWindowOverlay(this, IntRect(actualBounds.x,
actualBounds.y,
actualBounds.width,
actualBounds.height));
// Debugging
RenderDebugOverlay(actualBounds);
{
PROFILER_LABEL("LayerManagerComposite", "EndFrame",
js::ProfileEntry::Category::GRAPHICS);
mCompositor->EndFrame();
mCompositor->SetDispAcquireFence(mRoot); // Call after EndFrame()
}
if (composer2D) {
composer2D->Render(mCompositor->GetWidget());
}
mCompositor->GetWidget()->PostRender(this);
RecordFrame();
}
void
LayerManagerComposite::PopGroupForLayerEffects(RefPtr<CompositingRenderTarget> aPreviousTarget,
IntRect aClipRect,
bool aGrayscaleEffect,
bool aInvertEffect,
float aContrastEffect)
{
MOZ_ASSERT(mTwoPassTmpTarget);
// This is currently true, so just making sure that any new use of this
// method is flagged for investigation
MOZ_ASSERT(aInvertEffect || aGrayscaleEffect || aContrastEffect != 0.0);
mCompositor->SetRenderTarget(aPreviousTarget);
EffectChain effectChain(RootLayer());
Matrix5x4 effectMatrix;
if (aGrayscaleEffect) {
// R' = G' = B' = luminance
// R' = 0.2126*R + 0.7152*G + 0.0722*B
// G' = 0.2126*R + 0.7152*G + 0.0722*B
// B' = 0.2126*R + 0.7152*G + 0.0722*B
Matrix5x4 grayscaleMatrix(0.2126f, 0.2126f, 0.2126f, 0,
0.7152f, 0.7152f, 0.7152f, 0,
0.0722f, 0.0722f, 0.0722f, 0,
0, 0, 0, 1,
0, 0, 0, 0);
effectMatrix = grayscaleMatrix;
}
if (aInvertEffect) {
// R' = 1 - R
// G' = 1 - G
// B' = 1 - B
Matrix5x4 colorInvertMatrix(-1, 0, 0, 0,
0, -1, 0, 0,
0, 0, -1, 0,
0, 0, 0, 1,
1, 1, 1, 0);
effectMatrix = effectMatrix * colorInvertMatrix;
}
if (aContrastEffect != 0.0) {
// Multiplying with:
// R' = (1 + c) * (R - 0.5) + 0.5
// G' = (1 + c) * (G - 0.5) + 0.5
// B' = (1 + c) * (B - 0.5) + 0.5
float cP1 = aContrastEffect + 1;
float hc = 0.5*aContrastEffect;
Matrix5x4 contrastMatrix( cP1, 0, 0, 0,
0, cP1, 0, 0,
0, 0, cP1, 0,
0, 0, 0, 1,
-hc, -hc, -hc, 0);
effectMatrix = effectMatrix * contrastMatrix;
}
effectChain.mPrimaryEffect = new EffectRenderTarget(mTwoPassTmpTarget);
effectChain.mSecondaryEffects[EffectTypes::COLOR_MATRIX] = new EffectColorMatrix(effectMatrix);
gfx::Rect clipRectF(aClipRect.x, aClipRect.y, aClipRect.width, aClipRect.height);
mCompositor->DrawQuad(Rect(Point(0, 0), Size(mTwoPassTmpTarget->GetSize())), clipRectF, effectChain, 1.,
Matrix4x4());
}
void
LayerManagerComposite::Render(const nsIntRegion& aInvalidRegion, const nsIntRegion& aOpaqueRegion)
{
PROFILER_LABEL("LayerManagerComposite", "Render",
js::ProfileEntry::Category::GRAPHICS);
if (mDestroyed || !mCompositor || mCompositor->IsDestroyed()) {
NS_WARNING("Call on destroyed layer manager");
return;
}
ClearLayerFlags(mRoot);
// At this time, it doesn't really matter if these preferences change
// during the execution of the function; we should be safe in all
// permutations. However, may as well just get the values onces and
// then use them, just in case the consistency becomes important in
// the future.
bool invertVal = gfxPrefs::LayersEffectInvert();
bool grayscaleVal = gfxPrefs::LayersEffectGrayscale();
float contrastVal = gfxPrefs::LayersEffectContrast();
bool haveLayerEffects = (invertVal || grayscaleVal || contrastVal != 0.0);
// Set LayerScope begin/end frame
LayerScopeAutoFrame frame(PR_Now());
// Dump to console
if (gfxPrefs::LayersDump()) {
this->Dump(/* aSorted= */true);
} else if (profiler_feature_active("layersdump")) {
std::stringstream ss;
Dump(ss);
profiler_log(ss.str().c_str());
}
// Dump to LayerScope Viewer
if (LayerScope::CheckSendable()) {
// Create a LayersPacket, dump Layers into it and transfer the
// packet('s ownership) to LayerScope.
auto packet = MakeUnique<layerscope::Packet>();
layerscope::LayersPacket* layersPacket = packet->mutable_layers();
this->Dump(layersPacket);
LayerScope::SendLayerDump(Move(packet));
}
mozilla::widget::WidgetRenderingContext widgetContext;
#if defined(XP_MACOSX)
widgetContext.mLayerManager = this;
#elif defined(MOZ_WIDGET_ANDROID)
widgetContext.mCompositor = GetCompositor();
#endif
{
PROFILER_LABEL("LayerManagerComposite", "PreRender",
js::ProfileEntry::Category::GRAPHICS);
if (!mCompositor->GetWidget()->PreRender(&widgetContext)) {
return;
}
}
ParentLayerIntRect clipRect;
IntRect bounds(mRenderBounds.x, mRenderBounds.y, mRenderBounds.width, mRenderBounds.height);
IntRect actualBounds;
CompositorBench(mCompositor, bounds);
MOZ_ASSERT(mRoot->GetOpacity() == 1);
#if defined(MOZ_WIDGET_ANDROID)
LayerMetricsWrapper wrapper = GetRootContentLayer();
if (wrapper) {
mCompositor->SetClearColor(wrapper.Metadata().GetBackgroundColor());
} else {
mCompositor->SetClearColorToDefault();
}
#endif
if (mRoot->GetClipRect()) {
clipRect = *mRoot->GetClipRect();
IntRect rect(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
mCompositor->BeginFrame(aInvalidRegion, &rect, bounds, aOpaqueRegion, nullptr, &actualBounds);
} else {
gfx::IntRect rect;
mCompositor->BeginFrame(aInvalidRegion, nullptr, bounds, aOpaqueRegion, &rect, &actualBounds);
clipRect = ParentLayerIntRect(rect.x, rect.y, rect.width, rect.height);
}
if (actualBounds.IsEmpty()) {
mCompositor->GetWidget()->PostRender(&widgetContext);
return;
}
// Allow widget to render a custom background.
mCompositor->GetWidget()->DrawWindowUnderlay(
&widgetContext, LayoutDeviceIntRect::FromUnknownRect(actualBounds));
RefPtr<CompositingRenderTarget> previousTarget;
if (haveLayerEffects) {
previousTarget = PushGroupForLayerEffects();
} else {
mTwoPassTmpTarget = nullptr;
}
// Render our layers.
RootLayer()->Prepare(ViewAs<RenderTargetPixel>(clipRect, PixelCastJustification::RenderTargetIsParentLayerForRoot));
RootLayer()->RenderLayer(clipRect.ToUnknownRect());
if (!mRegionToClear.IsEmpty()) {
for (auto iter = mRegionToClear.RectIter(); !iter.Done(); iter.Next()) {
const IntRect& r = iter.Get();
mCompositor->ClearRect(Rect(r.x, r.y, r.width, r.height));
}
}
if (mTwoPassTmpTarget) {
MOZ_ASSERT(haveLayerEffects);
PopGroupForLayerEffects(previousTarget, clipRect.ToUnknownRect(),
grayscaleVal, invertVal, contrastVal);
}
// Allow widget to render a custom foreground.
mCompositor->GetWidget()->DrawWindowOverlay(
&widgetContext, LayoutDeviceIntRect::FromUnknownRect(actualBounds));
// Debugging
RenderDebugOverlay(actualBounds);
{
PROFILER_LABEL("LayerManagerComposite", "EndFrame",
js::ProfileEntry::Category::GRAPHICS);
mCompositor->EndFrame();
// Call after EndFrame()
mCompositor->SetDispAcquireFence(mRoot);
}
mCompositor->GetWidget()->PostRender(&widgetContext);
RecordFrame();
}
void
LayerManagerComposite::RenderToPresentationSurface()
{
#ifdef MOZ_WIDGET_ANDROID
nsIWidget* const widget = mCompositor->GetWidget()->RealWidget();
auto window = static_cast<ANativeWindow*>(
widget->GetNativeData(NS_PRESENTATION_WINDOW));
if (!window) {
return;
}
EGLSurface surface = widget->GetNativeData(NS_PRESENTATION_SURFACE);
if (!surface) {
//create surface;
surface = GLContextProviderEGL::CreateEGLSurface(window);
if (!surface) {
return;
}
widget->SetNativeData(NS_PRESENTATION_SURFACE,
reinterpret_cast<uintptr_t>(surface));
}
CompositorOGL* compositor = mCompositor->AsCompositorOGL();
GLContext* gl = compositor->gl();
GLContextEGL* egl = GLContextEGL::Cast(gl);
if (!egl) {
return;
}
const IntSize windowSize(ANativeWindow_getWidth(window),
ANativeWindow_getHeight(window));
#endif
if ((windowSize.width <= 0) || (windowSize.height <= 0)) {
return;
}
ScreenRotation rotation = compositor->GetScreenRotation();
const int actualWidth = windowSize.width;
const int actualHeight = windowSize.height;
const gfx::IntSize originalSize = compositor->GetDestinationSurfaceSize();
const nsIntRect originalRect = nsIntRect(0, 0, originalSize.width, originalSize.height);
int pageWidth = originalSize.width;
int pageHeight = originalSize.height;
if (rotation == ROTATION_90 || rotation == ROTATION_270) {
pageWidth = originalSize.height;
pageHeight = originalSize.width;
}
float scale = 1.0;
if ((pageWidth > actualWidth) || (pageHeight > actualHeight)) {
const float scaleWidth = (float)actualWidth / (float)pageWidth;
const float scaleHeight = (float)actualHeight / (float)pageHeight;
scale = scaleWidth <= scaleHeight ? scaleWidth : scaleHeight;
}
const gfx::IntSize actualSize(actualWidth, actualHeight);
ScopedCompostitorSurfaceSize overrideSurfaceSize(compositor, actualSize);
const ScreenPoint offset((actualWidth - (int)(scale * pageWidth)) / 2, 0);
ScopedContextSurfaceOverride overrideSurface(egl, surface);
Matrix viewMatrix = ComputeTransformForRotation(originalRect,
rotation);
viewMatrix.Invert(); // unrotate
viewMatrix.PostScale(scale, scale);
viewMatrix.PostTranslate(offset.x, offset.y);
Matrix4x4 matrix = Matrix4x4::From2D(viewMatrix);
mRoot->ComputeEffectiveTransforms(matrix);
nsIntRegion opaque;
LayerIntRegion visible;
PostProcessLayers(mRoot, opaque, visible, Nothing());
nsIntRegion invalid;
IntRect bounds = IntRect::Truncate(0, 0, scale * pageWidth, actualHeight);
IntRect rect, actualBounds;
MOZ_ASSERT(mRoot->GetOpacity() == 1);
mCompositor->BeginFrame(invalid, nullptr, bounds, nsIntRegion(), &rect, &actualBounds);
// The Java side of Fennec sets a scissor rect that accounts for
// chrome such as the URL bar. Override that so that the entire frame buffer
// is cleared.
ScopedScissorRect scissorRect(egl, 0, 0, actualWidth, actualHeight);
egl->fClearColor(0.0, 0.0, 0.0, 0.0);
egl->fClear(LOCAL_GL_COLOR_BUFFER_BIT);
const IntRect clipRect = IntRect::Truncate(0, 0, actualWidth, actualHeight);
RootLayer()->Prepare(RenderTargetIntRect::FromUnknownRect(clipRect));
RootLayer()->RenderLayer(clipRect);
mCompositor->EndFrame();
}
void
LayerManagerComposite::RenderToPresentationSurface()
{
#ifdef MOZ_WIDGET_ANDROID
if (!AndroidBridge::Bridge()) {
return;
}
void* window = AndroidBridge::Bridge()->GetPresentationWindow();
if (!window) {
return;
}
EGLSurface surface = AndroidBridge::Bridge()->GetPresentationSurface();
if (!surface) {
//create surface;
surface = GLContextProviderEGL::CreateEGLSurface(window);
if (!surface) {
return;
}
AndroidBridge::Bridge()->SetPresentationSurface(surface);
}
CompositorOGL* compositor = static_cast<CompositorOGL*>(mCompositor.get());
GLContext* gl = compositor->gl();
GLContextEGL* egl = GLContextEGL::Cast(gl);
if (!egl) {
return;
}
const IntSize windowSize = AndroidBridge::Bridge()->GetNativeWindowSize(window);
#elif defined(MOZ_WIDGET_GONK)
CompositorOGL* compositor = static_cast<CompositorOGL*>(mCompositor.get());
nsScreenGonk* screen = static_cast<nsWindow*>(mCompositor->GetWidget())->GetScreen();
if (!screen->IsPrimaryScreen()) {
// Only primary screen support mirroring
return;
}
nsWindow* mirrorScreenWidget = screen->GetMirroringWidget();
if (!mirrorScreenWidget) {
// No mirroring
return;
}
nsScreenGonk* mirrorScreen = mirrorScreenWidget->GetScreen();
if (!mirrorScreen->GetTopWindows().IsEmpty()) {
return;
}
EGLSurface surface = mirrorScreen->GetEGLSurface();
if (surface == LOCAL_EGL_NO_SURFACE) {
// Create GLContext
nsRefPtr<GLContext> gl = gl::GLContextProvider::CreateForWindow(mirrorScreenWidget);
mirrorScreenWidget->SetNativeData(NS_NATIVE_OPENGL_CONTEXT,
reinterpret_cast<uintptr_t>(gl.get()));
surface = mirrorScreen->GetEGLSurface();
if (surface == LOCAL_EGL_NO_SURFACE) {
// Failed to create EGLSurface
return;
}
}
GLContext* gl = compositor->gl();
GLContextEGL* egl = GLContextEGL::Cast(gl);
const IntSize windowSize = mirrorScreen->GetNaturalBounds().Size();
#endif
if ((windowSize.width <= 0) || (windowSize.height <= 0)) {
return;
}
ScreenRotation rotation = compositor->GetScreenRotation();
const int actualWidth = windowSize.width;
const int actualHeight = windowSize.height;
const gfx::IntSize originalSize = compositor->GetDestinationSurfaceSize();
const nsIntRect originalRect = nsIntRect(0, 0, originalSize.width, originalSize.height);
int pageWidth = originalSize.width;
int pageHeight = originalSize.height;
if (rotation == ROTATION_90 || rotation == ROTATION_270) {
pageWidth = originalSize.height;
pageHeight = originalSize.width;
}
float scale = 1.0;
if ((pageWidth > actualWidth) || (pageHeight > actualHeight)) {
const float scaleWidth = (float)actualWidth / (float)pageWidth;
const float scaleHeight = (float)actualHeight / (float)pageHeight;
scale = scaleWidth <= scaleHeight ? scaleWidth : scaleHeight;
}
const gfx::IntSize actualSize(actualWidth, actualHeight);
ScopedCompostitorSurfaceSize overrideSurfaceSize(compositor, actualSize);
const ScreenPoint offset((actualWidth - (int)(scale * pageWidth)) / 2, 0);
ScopedContextSurfaceOverride overrideSurface(egl, surface);
Matrix viewMatrix = ComputeTransformForRotation(originalRect,
rotation);
viewMatrix.Invert(); // unrotate
viewMatrix.PostScale(scale, scale);
viewMatrix.PostTranslate(offset.x, offset.y);
Matrix4x4 matrix = Matrix4x4::From2D(viewMatrix);
mRoot->ComputeEffectiveTransforms(matrix);
nsIntRegion opaque;
ApplyOcclusionCulling(mRoot, opaque);
nsIntRegion invalid;
Rect bounds(0.0f, 0.0f, scale * pageWidth, (float)actualHeight);
Rect rect, actualBounds;
mCompositor->BeginFrame(invalid, nullptr, bounds, &rect, &actualBounds);
// The Java side of Fennec sets a scissor rect that accounts for
// chrome such as the URL bar. Override that so that the entire frame buffer
// is cleared.
ScopedScissorRect scissorRect(egl, 0, 0, actualWidth, actualHeight);
egl->fClearColor(0.0, 0.0, 0.0, 0.0);
egl->fClear(LOCAL_GL_COLOR_BUFFER_BIT);
const IntRect clipRect = IntRect(0, 0, actualWidth, actualHeight);
RootLayer()->Prepare(RenderTargetPixel::FromUntyped(clipRect));
RootLayer()->RenderLayer(clipRect);
mCompositor->EndFrame();
mCompositor->SetDispAcquireFence(mRoot); // Call after EndFrame()
#ifdef MOZ_WIDGET_GONK
nsRefPtr<Composer2D> composer2D;
composer2D = mCompositor->GetWidget()->GetComposer2D();
if (composer2D) {
composer2D->Render(mirrorScreenWidget);
}
#endif
}
void
LayerManagerComposite::Render()
{
PROFILER_LABEL("LayerManagerComposite", "Render",
js::ProfileEntry::Category::GRAPHICS);
if (mDestroyed) {
NS_WARNING("Call on destroyed layer manager");
return;
}
/** Our more efficient but less powerful alter ego, if one is available. */
nsRefPtr<Composer2D> composer2D = mCompositor->GetWidget()->GetComposer2D();
// Set LayerScope begin/end frame
LayerScopeAutoFrame frame(PR_Now());
// Dump to console
if (gfxPrefs::LayersDump()) {
this->Dump();
}
// Dump to LayerScope Viewer
if (LayerScope::CheckSendable()) {
// Create a LayersPacket, dump Layers into it and transfer the
// packet('s ownership) to LayerScope.
auto packet = MakeUnique<layerscope::Packet>();
layerscope::LayersPacket* layersPacket = packet->mutable_layers();
this->Dump(layersPacket);
LayerScope::SendLayerDump(Move(packet));
}
if (!mTarget && composer2D && composer2D->TryRender(mRoot, mWorldMatrix, mGeometryChanged)) {
if (mFPS) {
double fps = mFPS->mCompositionFps.AddFrameAndGetFps(TimeStamp::Now());
if (gfxPrefs::LayersDrawFPS()) {
printf_stderr("HWComposer: FPS is %g\n", fps);
}
}
mCompositor->EndFrameForExternalComposition(mWorldMatrix);
// Reset the invalid region as compositing is done
mInvalidRegion.SetEmpty();
return;
}
{
PROFILER_LABEL("LayerManagerComposite", "PreRender",
js::ProfileEntry::Category::GRAPHICS);
if (!mCompositor->GetWidget()->PreRender(this)) {
return;
}
}
nsIntRegion invalid;
if (mTarget) {
invalid = mTargetBounds;
} else {
invalid = mInvalidRegion;
// Reset the invalid region now that we've begun compositing.
mInvalidRegion.SetEmpty();
}
nsIntRect clipRect;
Rect bounds(mRenderBounds.x, mRenderBounds.y, mRenderBounds.width, mRenderBounds.height);
Rect actualBounds;
CompositorBench(mCompositor, bounds);
if (mRoot->GetClipRect()) {
clipRect = *mRoot->GetClipRect();
WorldTransformRect(clipRect);
Rect rect(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
mCompositor->BeginFrame(invalid, &rect, mWorldMatrix, bounds, nullptr, &actualBounds);
} else {
gfx::Rect rect;
mCompositor->BeginFrame(invalid, nullptr, mWorldMatrix, bounds, &rect, &actualBounds);
clipRect = nsIntRect(rect.x, rect.y, rect.width, rect.height);
}
if (actualBounds.IsEmpty()) {
mCompositor->GetWidget()->PostRender(this);
return;
}
// Allow widget to render a custom background.
mCompositor->GetWidget()->DrawWindowUnderlay(this, nsIntRect(actualBounds.x,
actualBounds.y,
actualBounds.width,
actualBounds.height));
// Render our layers.
RootLayer()->Prepare(clipRect);
RootLayer()->RenderLayer(clipRect);
if (!mRegionToClear.IsEmpty()) {
nsIntRegionRectIterator iter(mRegionToClear);
const nsIntRect *r;
while ((r = iter.Next())) {
mCompositor->ClearRect(Rect(r->x, r->y, r->width, r->height));
}
}
// Allow widget to render a custom foreground.
mCompositor->GetWidget()->DrawWindowOverlay(this, nsIntRect(actualBounds.x,
actualBounds.y,
actualBounds.width,
actualBounds.height));
// Debugging
RenderDebugOverlay(actualBounds);
{
PROFILER_LABEL("LayerManagerComposite", "EndFrame",
js::ProfileEntry::Category::GRAPHICS);
mCompositor->EndFrame();
mCompositor->SetFBAcquireFence(mRoot);
}
mCompositor->GetWidget()->PostRender(this);
RecordFrame();
}