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Diffstat (limited to 'widget/gonk/HwcComposer2D.cpp')
| -rw-r--r-- | widget/gonk/HwcComposer2D.cpp | 971 |
1 files changed, 0 insertions, 971 deletions
diff --git a/widget/gonk/HwcComposer2D.cpp b/widget/gonk/HwcComposer2D.cpp deleted file mode 100644 index 6b4c7a1cc..000000000 --- a/widget/gonk/HwcComposer2D.cpp +++ /dev/null @@ -1,971 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/* vim:set ts=4 sw=4 sts=4 et: */ -/* - * Copyright (c) 2012, 2013 The Linux Foundation. All rights reserved. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <android/log.h> -#include <string.h> - -#include "gfxPrefs.h" -#include "ImageLayers.h" -#include "libdisplay/GonkDisplay.h" -#include "HwcComposer2D.h" -#include "LayerScope.h" -#include "Units.h" -#include "mozilla/ClearOnShutdown.h" -#include "mozilla/layers/CompositorBridgeParent.h" -#include "mozilla/layers/LayerManagerComposite.h" -#include "mozilla/layers/PLayerTransaction.h" -#include "mozilla/layers/ShadowLayerUtilsGralloc.h" -#include "mozilla/layers/TextureHostOGL.h" // for TextureHostOGL -#include "mozilla/StaticPtr.h" -#include "nsThreadUtils.h" -#include "cutils/properties.h" -#include "gfx2DGlue.h" -#include "gfxPlatform.h" -#include "VsyncSource.h" -#include "nsScreenManagerGonk.h" -#include "nsWindow.h" - -#if ANDROID_VERSION >= 17 -#include "libdisplay/DisplaySurface.h" -#endif - -#ifdef LOG_TAG -#undef LOG_TAG -#endif -#define LOG_TAG "HWComposer" - -/* - * By default the debug message of hwcomposer (LOG_DEBUG level) are undefined, - * but can be enabled by uncommenting HWC_DEBUG below. - */ -//#define HWC_DEBUG - -#ifdef HWC_DEBUG -#define LOGD(args...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, ## args) -#else -#define LOGD(args...) ((void)0) -#endif - -#define LOGI(args...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, ## args) -#define LOGE(args...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, ## args) - -#define LAYER_COUNT_INCREMENTS 5 - -using namespace android; -using namespace mozilla::gfx; -using namespace mozilla::layers; - -namespace mozilla { - -static void -HookInvalidate(const struct hwc_procs* aProcs) -{ - HwcComposer2D::GetInstance()->Invalidate(); -} - -static void -HookVsync(const struct hwc_procs* aProcs, int aDisplay, - int64_t aTimestamp) -{ - HwcComposer2D::GetInstance()->Vsync(aDisplay, aTimestamp); -} - -static void -HookHotplug(const struct hwc_procs* aProcs, int aDisplay, - int aConnected) -{ - HwcComposer2D::GetInstance()->Hotplug(aDisplay, aConnected); -} - -static StaticRefPtr<HwcComposer2D> sInstance; - -HwcComposer2D::HwcComposer2D() - : mList(nullptr) - , mMaxLayerCount(0) - , mColorFill(false) - , mRBSwapSupport(false) - , mPrepared(false) - , mHasHWVsync(false) - , mLock("mozilla.HwcComposer2D.mLock") -{ - mHal = HwcHALBase::CreateHwcHAL(); - if (!mHal->HasHwc()) { - LOGD("no hwc support"); - return; - } - - RegisterHwcEventCallback(); - - nsIntSize screenSize; - - GonkDisplay::NativeData data = GetGonkDisplay()->GetNativeData(GonkDisplay::DISPLAY_PRIMARY); - ANativeWindow *win = data.mNativeWindow.get(); - win->query(win, NATIVE_WINDOW_WIDTH, &screenSize.width); - win->query(win, NATIVE_WINDOW_HEIGHT, &screenSize.height); - mScreenRect = gfx::IntRect(gfx::IntPoint(0, 0), screenSize); - - mColorFill = mHal->Query(HwcHALBase::QueryType::COLOR_FILL); - mRBSwapSupport = mHal->Query(HwcHALBase::QueryType::RB_SWAP); -} - -HwcComposer2D::~HwcComposer2D() -{ - free(mList); -} - -HwcComposer2D* -HwcComposer2D::GetInstance() -{ - if (!sInstance) { -#ifdef HWC_DEBUG - // Make sure only create once - static int timesCreated = 0; - ++timesCreated; - MOZ_ASSERT(timesCreated == 1); -#endif - LOGI("Creating new instance"); - sInstance = new HwcComposer2D(); - - // If anyone uses the compositor thread to create HwcComposer2D, - // we just skip this function. - // If ClearOnShutdown() can handle objects in other threads - // in the future, we can remove this check. - if (NS_IsMainThread()) { - // If we create HwcComposer2D by the main thread, we can use - // ClearOnShutdown() to make sure it will be nullified properly. - ClearOnShutdown(&sInstance); - } - } - return sInstance; -} - -bool -HwcComposer2D::EnableVsync(bool aEnable) -{ - MOZ_ASSERT(NS_IsMainThread()); - if (!mHasHWVsync) { - return false; - } - return mHal->EnableVsync(aEnable) && aEnable; -} - -bool -HwcComposer2D::RegisterHwcEventCallback() -{ - const HwcHALProcs_t cHWCProcs = { - &HookInvalidate, // 1st: void (*invalidate)(...) - &HookVsync, // 2nd: void (*vsync)(...) - &HookHotplug // 3rd: void (*hotplug)(...) - }; - mHasHWVsync = mHal->RegisterHwcEventCallback(cHWCProcs); - return mHasHWVsync; -} - -void -HwcComposer2D::Vsync(int aDisplay, nsecs_t aVsyncTimestamp) -{ - // Only support hardware vsync on kitkat, L and up due to inaccurate timings - // with JellyBean. -#if (ANDROID_VERSION == 19 || ANDROID_VERSION >= 21) - TimeStamp vsyncTime = mozilla::TimeStamp::FromSystemTime(aVsyncTimestamp); - gfxPlatform::GetPlatform()->GetHardwareVsync()->GetGlobalDisplay().NotifyVsync(vsyncTime); -#else - // If this device doesn't support vsync, this function should not be used. - MOZ_ASSERT(false); -#endif -} - -// Called on the "invalidator" thread (run from HAL). -void -HwcComposer2D::Invalidate() -{ - if (!mHal->HasHwc()) { - LOGE("HwcComposer2D::Invalidate failed!"); - return; - } - - MutexAutoLock lock(mLock); - if (mCompositorBridgeParent) { - mCompositorBridgeParent->ScheduleRenderOnCompositorThread(); - } -} - -namespace { -class HotplugEvent : public Runnable { -public: - HotplugEvent(GonkDisplay::DisplayType aType, bool aConnected) - : mType(aType) - , mConnected(aConnected) - { - } - - NS_IMETHOD Run() override - { - RefPtr<nsScreenManagerGonk> screenManager = - nsScreenManagerGonk::GetInstance(); - if (mConnected) { - screenManager->AddScreen(mType); - } else { - screenManager->RemoveScreen(mType); - } - return NS_OK; - } -private: - GonkDisplay::DisplayType mType; - bool mConnected; -}; -} // namespace - -void -HwcComposer2D::Hotplug(int aDisplay, int aConnected) -{ - NS_DispatchToMainThread(new HotplugEvent(GonkDisplay::DISPLAY_EXTERNAL, - aConnected)); -} - -void -HwcComposer2D::SetCompositorBridgeParent(CompositorBridgeParent* aCompositorBridgeParent) -{ - MutexAutoLock lock(mLock); - mCompositorBridgeParent = aCompositorBridgeParent; -} - -bool -HwcComposer2D::ReallocLayerList() -{ - int size = sizeof(HwcList) + - ((mMaxLayerCount + LAYER_COUNT_INCREMENTS) * sizeof(HwcLayer)); - - HwcList* listrealloc = (HwcList*)realloc(mList, size); - - if (!listrealloc) { - return false; - } - - if (!mList) { - //first alloc, initialize - listrealloc->numHwLayers = 0; - listrealloc->flags = 0; - } - - mList = listrealloc; - mMaxLayerCount += LAYER_COUNT_INCREMENTS; - return true; -} - -bool -HwcComposer2D::PrepareLayerList(Layer* aLayer, - const nsIntRect& aClip, - const Matrix& aParentTransform, - bool aFindSidebandStreams) -{ - // NB: we fall off this path whenever there are container layers - // that require intermediate surfaces. That means all the - // GetEffective*() coordinates are relative to the framebuffer. - - bool fillColor = false; - - const nsIntRegion visibleRegion = aLayer->GetLocalVisibleRegion().ToUnknownRegion(); - if (visibleRegion.IsEmpty()) { - return true; - } - - uint8_t opacity = std::min(0xFF, (int)(aLayer->GetEffectiveOpacity() * 256.0)); - if (opacity == 0) { - LOGD("%s Layer has zero opacity; skipping", aLayer->Name()); - return true; - } - - if (!mHal->SupportTransparency() && opacity < 0xFF && !aFindSidebandStreams) { - LOGD("%s Layer has planar semitransparency which is unsupported by hwcomposer", aLayer->Name()); - return false; - } - - if (aLayer->GetMaskLayer() && !aFindSidebandStreams) { - LOGD("%s Layer has MaskLayer which is unsupported by hwcomposer", aLayer->Name()); - return false; - } - - nsIntRect clip; - nsIntRect layerClip = aLayer->GetLocalClipRect().valueOr(ParentLayerIntRect()).ToUnknownRect(); - nsIntRect* layerClipPtr = aLayer->GetLocalClipRect() ? &layerClip : nullptr; - if (!HwcUtils::CalculateClipRect(aParentTransform, - layerClipPtr, - aClip, - &clip)) - { - LOGD("%s Clip rect is empty. Skip layer", aLayer->Name()); - return true; - } - - // HWC supports only the following 2D transformations: - // - // Scaling via the sourceCrop and displayFrame in HwcLayer - // Translation via the sourceCrop and displayFrame in HwcLayer - // Rotation (in square angles only) via the HWC_TRANSFORM_ROT_* flags - // Reflection (horizontal and vertical) via the HWC_TRANSFORM_FLIP_* flags - // - // A 2D transform with PreservesAxisAlignedRectangles() has all the attributes - // above - Matrix layerTransform; - if (!aLayer->GetEffectiveTransform().Is2D(&layerTransform) || - !layerTransform.PreservesAxisAlignedRectangles()) { - LOGD("Layer EffectiveTransform has a 3D transform or a non-square angle rotation"); - return false; - } - - Matrix layerBufferTransform; - if (!aLayer->GetEffectiveTransformForBuffer().Is2D(&layerBufferTransform) || - !layerBufferTransform.PreservesAxisAlignedRectangles()) { - LOGD("Layer EffectiveTransformForBuffer has a 3D transform or a non-square angle rotation"); - return false; - } - - if (ContainerLayer* container = aLayer->AsContainerLayer()) { - if (container->UseIntermediateSurface() && !aFindSidebandStreams) { - LOGD("Container layer needs intermediate surface"); - return false; - } - AutoTArray<Layer*, 12> children; - container->SortChildrenBy3DZOrder(children); - - for (uint32_t i = 0; i < children.Length(); i++) { - if (!PrepareLayerList(children[i], clip, layerTransform, aFindSidebandStreams) && - !aFindSidebandStreams) { - return false; - } - } - return true; - } - - LayerRenderState state = aLayer->GetRenderState(); - -#if ANDROID_VERSION >= 21 - if (!state.GetGrallocBuffer() && !state.GetSidebandStream().IsValid()) { -#else - if (!state.GetGrallocBuffer()) { -#endif - if (aLayer->AsColorLayer() && mColorFill) { - fillColor = true; - } else { - LOGD("%s Layer doesn't have a gralloc buffer", aLayer->Name()); - return false; - } - } - - nsIntRect visibleRect = visibleRegion.GetBounds(); - - nsIntRect bufferRect; - if (fillColor) { - bufferRect = nsIntRect(visibleRect); - } else { - nsIntRect layerRect; - if (state.mHasOwnOffset) { - bufferRect = nsIntRect(state.mOffset.x, state.mOffset.y, - state.mSize.width, state.mSize.height); - layerRect = bufferRect; - } else { - //Since the buffer doesn't have its own offset, assign the whole - //surface size as its buffer bounds - bufferRect = nsIntRect(0, 0, state.mSize.width, state.mSize.height); - layerRect = bufferRect; - if (aLayer->GetType() == Layer::TYPE_IMAGE) { - ImageLayer* imageLayer = static_cast<ImageLayer*>(aLayer); - if(imageLayer->GetScaleMode() != ScaleMode::SCALE_NONE) { - layerRect = nsIntRect(0, 0, imageLayer->GetScaleToSize().width, imageLayer->GetScaleToSize().height); - } - } - } - // In some cases the visible rect assigned to the layer can be larger - // than the layer's surface, e.g., an ImageLayer with a small Image - // in it. - visibleRect.IntersectRect(visibleRect, layerRect); - } - - // Buffer rotation is not to be confused with the angled rotation done by a transform matrix - // It's a fancy PaintedLayer feature used for scrolling - if (state.BufferRotated()) { - LOGD("%s Layer has a rotated buffer", aLayer->Name()); - return false; - } - - const bool needsYFlip = state.OriginBottomLeft() ? true - : false; - - hwc_rect_t sourceCrop, displayFrame; - if(!HwcUtils::PrepareLayerRects(visibleRect, - layerTransform, - layerBufferTransform, - clip, - bufferRect, - needsYFlip, - &(sourceCrop), - &(displayFrame))) - { - return true; - } - - // OK! We can compose this layer with hwc. - int current = mList ? mList->numHwLayers : 0; - - // Do not compose any layer below full-screen Opaque layer - // Note: It can be generalized to non-fullscreen Opaque layers. - bool isOpaque = opacity == 0xFF && - (state.mFlags & LayerRenderStateFlags::OPAQUE); - // Currently we perform opacity calculation using the *bounds* of the layer. - // We can only make this assumption if we're not dealing with a complex visible region. - bool isSimpleVisibleRegion = visibleRegion.Contains(visibleRect); - if (current && isOpaque && isSimpleVisibleRegion) { - nsIntRect displayRect = nsIntRect(displayFrame.left, displayFrame.top, - displayFrame.right - displayFrame.left, displayFrame.bottom - displayFrame.top); - if (displayRect.Contains(mScreenRect)) { - // In z-order, all previous layers are below - // the current layer. We can ignore them now. - mList->numHwLayers = current = 0; - mHwcLayerMap.Clear(); - } - } - - if (!mList || current >= mMaxLayerCount) { - if (!ReallocLayerList() || current >= mMaxLayerCount) { - LOGE("PrepareLayerList failed! Could not increase the maximum layer count"); - return false; - } - } - - HwcLayer& hwcLayer = mList->hwLayers[current]; - hwcLayer.displayFrame = displayFrame; - mHal->SetCrop(hwcLayer, sourceCrop); - buffer_handle_t handle = nullptr; -#if ANDROID_VERSION >= 21 - if (state.GetSidebandStream().IsValid()) { - handle = state.GetSidebandStream().GetRawNativeHandle(); - } else if (state.GetGrallocBuffer()) { - handle = state.GetGrallocBuffer()->getNativeBuffer()->handle; - } -#else - if (state.GetGrallocBuffer()) { - handle = state.GetGrallocBuffer()->getNativeBuffer()->handle; - } -#endif - hwcLayer.handle = handle; - - hwcLayer.flags = 0; - hwcLayer.hints = 0; - hwcLayer.blending = isOpaque ? HWC_BLENDING_NONE : HWC_BLENDING_PREMULT; -#if ANDROID_VERSION >= 17 - hwcLayer.compositionType = HWC_FRAMEBUFFER; -#if ANDROID_VERSION >= 21 - if (state.GetSidebandStream().IsValid()) { - hwcLayer.compositionType = HWC_SIDEBAND; - } -#endif - hwcLayer.acquireFenceFd = -1; - hwcLayer.releaseFenceFd = -1; -#if ANDROID_VERSION >= 18 - hwcLayer.planeAlpha = opacity; -#endif -#else - hwcLayer.compositionType = HwcUtils::HWC_USE_COPYBIT; -#endif - - if (!fillColor) { - if (state.FormatRBSwapped()) { - if (!mRBSwapSupport) { - LOGD("No R/B swap support in H/W Composer"); - return false; - } - hwcLayer.flags |= HwcUtils::HWC_FORMAT_RB_SWAP; - } - - // Translation and scaling have been addressed in PrepareLayerRects(). - // Given the above and that we checked for PreservesAxisAlignedRectangles() - // the only possible transformations left to address are - // square angle rotation and horizontal/vertical reflection. - // - // The rotation and reflection permutations total 16 but can be - // reduced to 8 transformations after eliminating redundancies. - // - // All matrices represented here are in the form - // - // | xx xy | - // | yx yy | - // - // And ignore scaling. - // - // Reflection is applied before rotation - gfx::Matrix rotation = layerTransform; - // Compute fuzzy zero like PreservesAxisAlignedRectangles() - if (fabs(rotation._11) < 1e-6) { - if (rotation._21 < 0) { - if (rotation._12 > 0) { - // 90 degree rotation - // - // | 0 -1 | - // | 1 0 | - // - hwcLayer.transform = HWC_TRANSFORM_ROT_90; - LOGD("Layer rotated 90 degrees"); - } - else { - // Horizontal reflection then 90 degree rotation - // - // | 0 -1 | | -1 0 | = | 0 -1 | - // | 1 0 | | 0 1 | | -1 0 | - // - // same as vertical reflection then 270 degree rotation - // - // | 0 1 | | 1 0 | = | 0 -1 | - // | -1 0 | | 0 -1 | | -1 0 | - // - hwcLayer.transform = HWC_TRANSFORM_ROT_90 | HWC_TRANSFORM_FLIP_H; - LOGD("Layer vertically reflected then rotated 270 degrees"); - } - } else { - if (rotation._12 < 0) { - // 270 degree rotation - // - // | 0 1 | - // | -1 0 | - // - hwcLayer.transform = HWC_TRANSFORM_ROT_270; - LOGD("Layer rotated 270 degrees"); - } - else { - // Vertical reflection then 90 degree rotation - // - // | 0 1 | | -1 0 | = | 0 1 | - // | -1 0 | | 0 1 | | 1 0 | - // - // Same as horizontal reflection then 270 degree rotation - // - // | 0 -1 | | 1 0 | = | 0 1 | - // | 1 0 | | 0 -1 | | 1 0 | - // - hwcLayer.transform = HWC_TRANSFORM_ROT_90 | HWC_TRANSFORM_FLIP_V; - LOGD("Layer horizontally reflected then rotated 270 degrees"); - } - } - } else if (rotation._11 < 0) { - if (rotation._22 > 0) { - // Horizontal reflection - // - // | -1 0 | - // | 0 1 | - // - hwcLayer.transform = HWC_TRANSFORM_FLIP_H; - LOGD("Layer rotated 180 degrees"); - } - else { - // 180 degree rotation - // - // | -1 0 | - // | 0 -1 | - // - // Same as horizontal and vertical reflection - // - // | -1 0 | | 1 0 | = | -1 0 | - // | 0 1 | | 0 -1 | | 0 -1 | - // - hwcLayer.transform = HWC_TRANSFORM_ROT_180; - LOGD("Layer rotated 180 degrees"); - } - } else { - if (rotation._22 < 0) { - // Vertical reflection - // - // | 1 0 | - // | 0 -1 | - // - hwcLayer.transform = HWC_TRANSFORM_FLIP_V; - LOGD("Layer rotated 180 degrees"); - } - else { - // No rotation or reflection - // - // | 1 0 | - // | 0 1 | - // - hwcLayer.transform = 0; - } - } - - const bool needsYFlip = state.OriginBottomLeft() ? true - : false; - - if (needsYFlip) { - // Invert vertical reflection flag if it was already set - hwcLayer.transform ^= HWC_TRANSFORM_FLIP_V; - } - hwc_region_t region; - if (visibleRegion.GetNumRects() > 1) { - mVisibleRegions.push_back(HwcUtils::RectVector()); - HwcUtils::RectVector* visibleRects = &(mVisibleRegions.back()); - bool isVisible = false; - if(!HwcUtils::PrepareVisibleRegion(visibleRegion, - layerTransform, - layerBufferTransform, - clip, - bufferRect, - visibleRects, - isVisible)) { - LOGD("A region of layer is too small to be rendered by HWC"); - return false; - } - if (!isVisible) { - // Layer is not visible, no need to render it - return true; - } - region.numRects = visibleRects->size(); - region.rects = &((*visibleRects)[0]); - } else { - region.numRects = 1; - region.rects = &(hwcLayer.displayFrame); - } - hwcLayer.visibleRegionScreen = region; - } else { - hwcLayer.flags |= HwcUtils::HWC_COLOR_FILL; - ColorLayer* colorLayer = aLayer->AsColorLayer(); - if (colorLayer->GetColor().a < 1.0) { - LOGD("Color layer has semitransparency which is unsupported"); - return false; - } - hwcLayer.transform = colorLayer->GetColor().ToABGR(); - } - -#if ANDROID_VERSION >= 21 - if (aFindSidebandStreams && hwcLayer.compositionType == HWC_SIDEBAND) { - mCachedSidebandLayers.AppendElement(hwcLayer); - } -#endif - - mHwcLayerMap.AppendElement(static_cast<LayerComposite*>(aLayer->ImplData())); - mList->numHwLayers++; - return true; -} - - -#if ANDROID_VERSION >= 17 -bool -HwcComposer2D::TryHwComposition(nsScreenGonk* aScreen) -{ - DisplaySurface* dispSurface = aScreen->GetDisplaySurface(); - - if (!(dispSurface && dispSurface->lastHandle)) { - LOGD("H/W Composition failed. DispSurface not initialized."); - return false; - } - - // Add FB layer - int idx = mList->numHwLayers++; - if (idx >= mMaxLayerCount) { - if (!ReallocLayerList() || idx >= mMaxLayerCount) { - LOGE("TryHwComposition failed! Could not add FB layer"); - return false; - } - } - - Prepare(dispSurface->lastHandle, -1, aScreen); - - /* Possible composition paths, after hwc prepare: - 1. GPU Composition - 2. BLIT Composition - 3. Full OVERLAY Composition - 4. Partial OVERLAY Composition (GPU + OVERLAY) */ - - bool gpuComposite = false; - bool blitComposite = false; - bool overlayComposite = true; - - for (int j=0; j < idx; j++) { - if (mList->hwLayers[j].compositionType == HWC_FRAMEBUFFER || - mList->hwLayers[j].compositionType == HWC_BLIT) { - // Full OVERLAY composition is not possible on this frame - // It is either GPU / BLIT / partial OVERLAY composition. - overlayComposite = false; - break; - } - } - - if (!overlayComposite) { - for (int k=0; k < idx; k++) { - switch (mList->hwLayers[k].compositionType) { - case HWC_FRAMEBUFFER: - gpuComposite = true; - break; - case HWC_BLIT: - blitComposite = true; - break; -#if ANDROID_VERSION >= 21 - case HWC_SIDEBAND: -#endif - case HWC_OVERLAY: { - // HWC will compose HWC_OVERLAY layers in partial - // Overlay Composition, set layer composition flag - // on mapped LayerComposite to skip GPU composition - mHwcLayerMap[k]->SetLayerComposited(true); - - uint8_t opacity = std::min(0xFF, (int)(mHwcLayerMap[k]->GetLayer()->GetEffectiveOpacity() * 256.0)); - if ((mList->hwLayers[k].hints & HWC_HINT_CLEAR_FB) && - (opacity == 0xFF)) { - // Clear visible rect on FB with transparent pixels. - hwc_rect_t r = mList->hwLayers[k].displayFrame; - mHwcLayerMap[k]->SetClearRect(nsIntRect(r.left, r.top, - r.right - r.left, - r.bottom - r.top)); - } - break; - } - default: - break; - } - } - - if (gpuComposite) { - // GPU or partial OVERLAY Composition - return false; - } else if (blitComposite) { - // BLIT Composition, flip DispSurface target - GetGonkDisplay()->UpdateDispSurface(aScreen->GetEGLDisplay(), aScreen->GetEGLSurface()); - DisplaySurface* dispSurface = aScreen->GetDisplaySurface(); - if (!dispSurface) { - LOGE("H/W Composition failed. NULL DispSurface."); - return false; - } - mList->hwLayers[idx].handle = dispSurface->lastHandle; - mList->hwLayers[idx].acquireFenceFd = dispSurface->GetPrevDispAcquireFd(); - } - } - - // BLIT or full OVERLAY Composition - return Commit(aScreen); -} - -bool -HwcComposer2D::Render(nsIWidget* aWidget) -{ - nsScreenGonk* screen = static_cast<nsWindow*>(aWidget)->GetScreen(); - - // HWC module does not exist or mList is not created yet. - if (!mHal->HasHwc() || !mList) { - return GetGonkDisplay()->SwapBuffers(screen->GetEGLDisplay(), screen->GetEGLSurface()); - } else if (!mList && !ReallocLayerList()) { - LOGE("Cannot realloc layer list"); - return false; - } - - DisplaySurface* dispSurface = screen->GetDisplaySurface(); - if (!dispSurface) { - LOGE("H/W Composition failed. DispSurface not initialized."); - return false; - } - - if (mPrepared) { - // No mHwc prepare, if already prepared in current draw cycle - mList->hwLayers[mList->numHwLayers - 1].handle = dispSurface->lastHandle; - mList->hwLayers[mList->numHwLayers - 1].acquireFenceFd = dispSurface->GetPrevDispAcquireFd(); - } else { - // Update screen rect to handle a case that TryRenderWithHwc() is not called. - mScreenRect = screen->GetNaturalBounds().ToUnknownRect(); - - mList->flags = HWC_GEOMETRY_CHANGED; - mList->numHwLayers = 2; - mList->hwLayers[0].hints = 0; - mList->hwLayers[0].compositionType = HWC_FRAMEBUFFER; - mList->hwLayers[0].flags = HWC_SKIP_LAYER; - mList->hwLayers[0].backgroundColor = {0}; - mList->hwLayers[0].acquireFenceFd = -1; - mList->hwLayers[0].releaseFenceFd = -1; - mList->hwLayers[0].displayFrame = {0, 0, mScreenRect.width, mScreenRect.height}; - -#if ANDROID_VERSION >= 21 - // Prepare layers for sideband streams - const uint32_t len = mCachedSidebandLayers.Length(); - for (uint32_t i = 0; i < len; ++i) { - ++mList->numHwLayers; - mList->hwLayers[i+1] = mCachedSidebandLayers[i]; - } -#endif - Prepare(dispSurface->lastHandle, dispSurface->GetPrevDispAcquireFd(), screen); - } - - // GPU or partial HWC Composition - return Commit(screen); -} - -void -HwcComposer2D::Prepare(buffer_handle_t dispHandle, int fence, nsScreenGonk* screen) -{ - if (mPrepared) { - LOGE("Multiple hwc prepare calls!"); - } - hwc_rect_t dispRect = {0, 0, mScreenRect.width, mScreenRect.height}; - mHal->Prepare(mList, screen->GetDisplayType(), dispRect, dispHandle, fence); - mPrepared = true; -} - -bool -HwcComposer2D::Commit(nsScreenGonk* aScreen) -{ - for (uint32_t j=0; j < (mList->numHwLayers - 1); j++) { - mList->hwLayers[j].acquireFenceFd = -1; - if (mHwcLayerMap.IsEmpty() || - (mList->hwLayers[j].compositionType == HWC_FRAMEBUFFER)) { - continue; - } - LayerRenderState state = mHwcLayerMap[j]->GetLayer()->GetRenderState(); - if (!state.mTexture) { - continue; - } - FenceHandle fence = state.mTexture->GetAndResetAcquireFenceHandle(); - if (fence.IsValid()) { - RefPtr<FenceHandle::FdObj> fdObj = fence.GetAndResetFdObj(); - mList->hwLayers[j].acquireFenceFd = fdObj->GetAndResetFd(); - } - } - - int err = mHal->Set(mList, aScreen->GetDisplayType()); - - mPrevRetireFence.TransferToAnotherFenceHandle(mPrevDisplayFence); - - for (uint32_t j=0; j < (mList->numHwLayers - 1); j++) { - if (mList->hwLayers[j].releaseFenceFd >= 0) { - int fd = mList->hwLayers[j].releaseFenceFd; - mList->hwLayers[j].releaseFenceFd = -1; - RefPtr<FenceHandle::FdObj> fdObj = new FenceHandle::FdObj(fd); - FenceHandle fence(fdObj); - - LayerRenderState state = mHwcLayerMap[j]->GetLayer()->GetRenderState(); - if (!state.mTexture) { - continue; - } - state.mTexture->SetReleaseFenceHandle(fence); - } - } - - if (mList->retireFenceFd >= 0) { - mPrevRetireFence = FenceHandle(new FenceHandle::FdObj(mList->retireFenceFd)); - } - - // Set DisplaySurface layer fence - DisplaySurface* displaySurface = aScreen->GetDisplaySurface(); - displaySurface->setReleaseFenceFd(mList->hwLayers[mList->numHwLayers - 1].releaseFenceFd); - mList->hwLayers[mList->numHwLayers - 1].releaseFenceFd = -1; - - mPrepared = false; - return !err; -} -#else -bool -HwcComposer2D::TryHwComposition(nsScreenGonk* aScreen) -{ - mHal->SetEGLInfo(aScreen->GetEGLDisplay(), aScreen->GetEGLSurface()); - return !mHal->Set(mList, aScreen->GetDisplayType()); -} - -bool -HwcComposer2D::Render(nsIWidget* aWidget) -{ - nsScreenGonk* screen = static_cast<nsWindow*>(aWidget)->GetScreen(); - return GetGonkDisplay()->SwapBuffers(screen->GetEGLDisplay(), screen->GetEGLSurface()); -} -#endif - -bool -HwcComposer2D::TryRenderWithHwc(Layer* aRoot, - nsIWidget* aWidget, - bool aGeometryChanged, - bool aHasImageHostOverlays) -{ - if (!mHal->HasHwc()) { - return false; - } - - nsScreenGonk* screen = static_cast<nsWindow*>(aWidget)->GetScreen(); - - if (mList) { - mList->flags = mHal->GetGeometryChangedFlag(aGeometryChanged); - mList->numHwLayers = 0; - mHwcLayerMap.Clear(); - } - - if (mPrepared) { - mHal->ResetHwc(); - mPrepared = false; - } - - // XXX: The clear() below means all rect vectors will be have to be - // reallocated. We may want to avoid this if possible - mVisibleRegions.clear(); - - mScreenRect = screen->GetNaturalBounds().ToUnknownRect(); - MOZ_ASSERT(mHwcLayerMap.IsEmpty()); - mCachedSidebandLayers.Clear(); - if (!PrepareLayerList(aRoot, - mScreenRect, - gfx::Matrix(), - /* aFindSidebandStreams */ false)) - { - mHwcLayerMap.Clear(); - LOGD("Render aborted. Fallback to GPU Composition"); - if (aHasImageHostOverlays) { - LOGD("Prepare layers of SidebandStreams"); - // Failed to create a layer list for hwc. But we need the list - // only for handling sideband streams. Traverse layer tree without - // some early returns to make sure we can find all the layers. - // It is the best wrong thing that we can do. - PrepareLayerList(aRoot, - mScreenRect, - gfx::Matrix(), - /* aFindSidebandStreams */ true); - // Reset mPrepared to false, since we already fell back to - // gpu composition. - mPrepared = false; - } - return false; - } - - // Send data to LayerScope for debugging - SendtoLayerScope(); - - if (!TryHwComposition(screen)) { - LOGD("Full HWC Composition failed. Fallback to GPU Composition or partial OVERLAY Composition"); - LayerScope::CleanLayer(); - return false; - } - - LOGD("Frame rendered"); - return true; -} - -void -HwcComposer2D::SendtoLayerScope() -{ - if (!LayerScope::CheckSendable()) { - return; - } - - const int len = mList->numHwLayers; - for (int i = 0; i < len; ++i) { - LayerComposite* layer = mHwcLayerMap[i]; - const hwc_rect_t r = mList->hwLayers[i].displayFrame; - LayerScope::SendLayer(layer, r.right - r.left, r.bottom - r.top); - } -} - -} // namespace mozilla |