411 lines
16 KiB
C++
411 lines
16 KiB
C++
/*
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* Copyright 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_DVR_HARDWARE_COMPOSER_IMPL_VR_HWC_H
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#define ANDROID_DVR_HARDWARE_COMPOSER_IMPL_VR_HWC_H
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#include <android-base/unique_fd.h>
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#include <android/frameworks/vr/composer/2.0/IVrComposerClient.h>
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#include <android/hardware/graphics/composer/2.3/IComposer.h>
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#include <composer-hal/2.3/ComposerHal.h>
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#include <private/dvr/vsync_service.h>
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#include <ui/Fence.h>
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#include <ui/GraphicBuffer.h>
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#include <utils/StrongPointer.h>
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#include <mutex>
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#include <unordered_map>
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using namespace android::frameworks::vr::composer::V2_0;
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using namespace android::hardware::graphics::common::V1_0;
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using namespace android::hardware::graphics::composer::V2_3;
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using android::hardware::hidl_bitfield;
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using android::hardware::hidl_handle;
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using android::hardware::hidl_string;
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using android::hardware::hidl_vec;
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using android::hardware::Return;
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using android::hardware::Void;
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using android::hardware::graphics::composer::V2_1::Config;
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using android::hardware::graphics::composer::V2_1::Display;
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using android::hardware::graphics::composer::V2_1::Error;
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using android::hardware::graphics::composer::V2_1::Layer;
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using android::hardware::graphics::composer::V2_3::IComposerClient;
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namespace android {
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class Fence;
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namespace dvr {
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class VrComposerClient;
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using android::hardware::graphics::composer::V2_3::hal::ComposerHal;
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namespace types = android::hardware::graphics::common;
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using types::V1_1::RenderIntent;
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using types::V1_2::ColorMode;
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using types::V1_2::Dataspace;
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using types::V1_2::Hdr;
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using types::V1_2::PixelFormat;
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class ComposerView {
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public:
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struct ComposerLayer {
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using Recti = hardware::graphics::composer::V2_3::IComposerClient::Rect;
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using Rectf = hardware::graphics::composer::V2_3::IComposerClient::FRect;
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using BlendMode =
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hardware::graphics::composer::V2_3::IComposerClient::BlendMode;
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Layer id;
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sp<GraphicBuffer> buffer;
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sp<Fence> fence;
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Recti display_frame;
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Rectf crop;
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BlendMode blend_mode;
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float alpha;
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uint32_t type;
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uint32_t app_id;
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uint32_t z_order;
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int32_t cursor_x;
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int32_t cursor_y;
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IComposerClient::Color color;
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int32_t dataspace;
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int32_t transform;
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std::vector<hwc_rect_t> visible_regions;
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std::vector<hwc_rect_t> damaged_regions;
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};
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struct Frame {
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Display display_id;
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// This is set to true to notify the upper layer that the display is
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// being removed, or left false in the case of a normal frame. The upper
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// layer tracks display IDs and will handle new ones showing up.
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bool removed = false;
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int32_t display_width;
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int32_t display_height;
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Config active_config;
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ColorMode color_mode;
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IComposerClient::PowerMode power_mode;
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IComposerClient::Vsync vsync_enabled;
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float color_transform[16];
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int32_t color_transform_hint;
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std::vector<ComposerLayer> layers;
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};
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class Observer {
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public:
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virtual ~Observer() {}
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// Returns a list of layers that need to be shown together. Layers are
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// returned in z-order, with the lowest layer first.
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virtual base::unique_fd OnNewFrame(const Frame& frame) = 0;
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};
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virtual ~ComposerView() {}
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virtual void ForceDisplaysRefresh() = 0;
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virtual void RegisterObserver(Observer* observer) = 0;
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virtual void UnregisterObserver(Observer* observer) = 0;
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};
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struct HwcLayer {
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using Composition =
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hardware::graphics::composer::V2_3::IComposerClient::Composition;
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explicit HwcLayer(Layer new_id) { info.id = new_id; }
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void dumpDebugInfo(std::string* result) const;
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Composition composition_type;
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ComposerView::ComposerLayer info;
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IVrComposerClient::BufferMetadata buffer_metadata;
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};
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class HwcDisplay {
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public:
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HwcDisplay(int32_t width, int32_t height);
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~HwcDisplay();
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int32_t width() const { return width_; }
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int32_t height() const { return height_; }
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HwcLayer* CreateLayer();
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bool DestroyLayer(Layer id);
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HwcLayer* GetLayer(Layer id);
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bool SetClientTarget(const native_handle_t* handle, base::unique_fd fence);
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void SetClientTargetMetadata(
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const IVrComposerClient::BufferMetadata& metadata);
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void GetChangedCompositionTypes(
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std::vector<Layer>* layer_ids,
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std::vector<IComposerClient::Composition>* composition);
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Error GetFrame(std::vector<ComposerView::ComposerLayer>* out_frame);
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std::vector<Layer> UpdateLastFrameAndGetLastFrameLayers();
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Config active_config() const { return active_config_; }
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void set_active_config(Config config) { active_config_ = config; }
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ColorMode color_mode() const { return color_mode_; }
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void set_color_mode(ColorMode mode) { color_mode_ = mode; }
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IComposerClient::PowerMode power_mode() const { return power_mode_; }
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void set_power_mode(IComposerClient::PowerMode mode) { power_mode_ = mode; }
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bool vsync_enabled() const { return vsync_enabled_; }
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void set_vsync_enabled(bool vsync) {vsync_enabled_ = vsync;}
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const float* color_transform() const { return color_transform_; }
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int32_t color_transform_hint() const { return color_transform_hint_; }
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void SetColorTransform(const float* matrix, int32_t hint);
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void dumpDebugInfo(std::string* result) const;
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private:
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// The client target buffer and the associated fence.
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sp<GraphicBuffer> buffer_;
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IVrComposerClient::BufferMetadata buffer_metadata_;
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sp<Fence> fence_;
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// List of currently active layers.
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std::vector<HwcLayer> layers_;
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std::vector<Layer> last_frame_layers_ids_;
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// Layer ID generator.
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uint64_t layer_ids_ = 1;
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int32_t width_;
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int32_t height_;
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Config active_config_;
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ColorMode color_mode_;
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IComposerClient::PowerMode power_mode_;
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bool vsync_enabled_ = false;
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float color_transform_[16];
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int32_t color_transform_hint_;
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HwcDisplay(const HwcDisplay&) = delete;
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void operator=(const HwcDisplay&) = delete;
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};
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class VrHwc : public IComposer, public ComposerHal, public ComposerView {
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public:
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VrHwc();
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~VrHwc() override;
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Error setLayerInfo(Display display, Layer layer, uint32_t type,
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uint32_t appId);
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Error setClientTargetMetadata(
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Display display, const IVrComposerClient::BufferMetadata& metadata);
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Error setLayerBufferMetadata(
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Display display, Layer layer,
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const IVrComposerClient::BufferMetadata& metadata);
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// composer::V2_1::ComposerHal
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bool hasCapability(hwc2_capability_t capability) override;
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std::string dumpDebugInfo() override { return {}; }
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void registerEventCallback(ComposerHal::EventCallback* callback) override;
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void unregisterEventCallback() override;
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uint32_t getMaxVirtualDisplayCount() override;
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Error destroyVirtualDisplay(Display display) override;
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Error createLayer(Display display, Layer* outLayer) override;
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Error destroyLayer(Display display, Layer layer) override;
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Error getActiveConfig(Display display, Config* outConfig) override;
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Error getDisplayAttribute(Display display, Config config,
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IComposerClient::Attribute attribute,
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int32_t* outValue) override;
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Error getDisplayConfigs(Display display, hidl_vec<Config>* outConfigs) override;
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Error getDisplayName(Display display, hidl_string* outName) override;
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Error getDisplayType(Display display,
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IComposerClient::DisplayType* outType) override;
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Error getDozeSupport(Display display, bool* outSupport) override;
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Error setActiveConfig(Display display, Config config) override;
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Error setVsyncEnabled(Display display, IComposerClient::Vsync enabled) override;
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Error setColorTransform(Display display, const float* matrix,
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int32_t hint) override;
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Error setClientTarget(Display display, buffer_handle_t target,
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int32_t acquireFence, int32_t dataspace,
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const std::vector<hwc_rect_t>& damage) override;
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Error setOutputBuffer(Display display, buffer_handle_t buffer,
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int32_t releaseFence) override;
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Error validateDisplay(
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Display display, std::vector<Layer>* outChangedLayers,
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std::vector<IComposerClient::Composition>* outCompositionTypes,
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uint32_t* outDisplayRequestMask, std::vector<Layer>* outRequestedLayers,
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std::vector<uint32_t>* outRequestMasks) override;
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Error acceptDisplayChanges(Display display) override;
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Error presentDisplay(Display display, int32_t* outPresentFence,
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std::vector<Layer>* outLayers,
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std::vector<int32_t>* outReleaseFences) override;
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Error setLayerCursorPosition(Display display, Layer layer, int32_t x,
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int32_t y) override;
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Error setLayerBuffer(Display display, Layer layer, buffer_handle_t buffer,
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int32_t acquireFence) override;
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Error setLayerSurfaceDamage(Display display, Layer layer,
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const std::vector<hwc_rect_t>& damage) override;
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Error setLayerBlendMode(Display display, Layer layer, int32_t mode) override;
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Error setLayerColor(Display display, Layer layer,
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IComposerClient::Color color) override;
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Error setLayerCompositionType(Display display, Layer layer,
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int32_t type) override;
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Error setLayerDataspace(Display display, Layer layer,
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int32_t dataspace) override;
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Error setLayerDisplayFrame(Display display, Layer layer,
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const hwc_rect_t& frame) override;
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Error setLayerPlaneAlpha(Display display, Layer layer, float alpha) override;
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Error setLayerSidebandStream(Display display, Layer layer,
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buffer_handle_t stream) override;
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Error setLayerSourceCrop(Display display, Layer layer,
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const hwc_frect_t& crop) override;
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Error setLayerTransform(Display display, Layer layer,
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int32_t transform) override;
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Error setLayerVisibleRegion(Display display, Layer layer,
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const std::vector<hwc_rect_t>& visible) override;
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Error setLayerZOrder(Display display, Layer layer, uint32_t z) override;
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// composer::V2_2::ComposerHal
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Error setReadbackBuffer(Display display, const native_handle_t* bufferHandle,
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android::base::unique_fd fenceFd) override;
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Error getReadbackBufferFence(Display display,
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android::base::unique_fd* outFenceFd) override;
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Error createVirtualDisplay_2_2(uint32_t width, uint32_t height,
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types::V1_1::PixelFormat* format,
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Display* outDisplay) override;
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Error setPowerMode_2_2(Display display,
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IComposerClient::PowerMode mode) override;
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Error setLayerFloatColor(Display display, Layer layer,
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IComposerClient::FloatColor color) override;
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Error getRenderIntents(Display display, types::V1_1::ColorMode mode,
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std::vector<RenderIntent>* outIntents) override;
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std::array<float, 16> getDataspaceSaturationMatrix(
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types::V1_1::Dataspace dataspace) override;
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// composer::V2_3::ComposerHal
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Error getHdrCapabilities_2_3(Display display, hidl_vec<Hdr>* outTypes,
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float* outMaxLuminance,
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float* outMaxAverageLuminance,
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float* outMinLuminance) override;
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Error setLayerPerFrameMetadata_2_3(
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Display display, Layer layer,
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const std::vector<IComposerClient::PerFrameMetadata>& metadata) override;
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Error getPerFrameMetadataKeys_2_3(
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Display display,
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std::vector<IComposerClient::PerFrameMetadataKey>* outKeys) override;
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Error setColorMode_2_3(Display display, ColorMode mode,
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RenderIntent intent) override;
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Error getRenderIntents_2_3(Display display, ColorMode mode,
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std::vector<RenderIntent>* outIntents) override;
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Error getColorModes_2_3(Display display,
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hidl_vec<ColorMode>* outModes) override;
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Error getClientTargetSupport_2_3(Display display, uint32_t width,
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uint32_t height, PixelFormat format,
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Dataspace dataspace) override;
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Error getReadbackBufferAttributes_2_3(Display display, PixelFormat* outFormat,
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Dataspace* outDataspace) override;
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Error getDisplayIdentificationData(Display display, uint8_t* outPort,
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std::vector<uint8_t>* outData) override;
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Error setLayerColorTransform(Display display, Layer layer,
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const float* matrix) override;
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Error getDisplayedContentSamplingAttributes(
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Display display, PixelFormat& format, Dataspace& dataspace,
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hidl_bitfield<IComposerClient::FormatColorComponent>& componentMask)
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override;
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Error setDisplayedContentSamplingEnabled(
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Display display, IComposerClient::DisplayedContentSampling enable,
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hidl_bitfield<IComposerClient::FormatColorComponent> componentMask,
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uint64_t maxFrames) override;
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Error getDisplayedContentSample(
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Display display, uint64_t maxFrames, uint64_t timestamp,
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uint64_t& frameCount, hidl_vec<uint64_t>& sampleComponent0,
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hidl_vec<uint64_t>& sampleComponent1,
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hidl_vec<uint64_t>& sampleComponent2,
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hidl_vec<uint64_t>& sampleComponent3) override;
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Error getDisplayCapabilities(Display display,
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std::vector<IComposerClient::DisplayCapability>*
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outCapabilities) override;
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Error setLayerPerFrameMetadataBlobs(
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Display display, Layer layer,
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std::vector<IComposerClient::PerFrameMetadataBlob>& blobs) override;
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Error getDisplayBrightnessSupport(Display display, bool* outSupport) override;
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Error setDisplayBrightness(Display display, float brightness) override;
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// IComposer:
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Return<void> getCapabilities(getCapabilities_cb hidl_cb) override;
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Return<void> dumpDebugInfo(dumpDebugInfo_cb hidl_cb) override;
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Return<void> createClient(createClient_cb hidl_cb) override;
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Return<void> createClient_2_3(
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IComposer::createClient_2_3_cb hidl_cb) override;
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// ComposerView:
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void ForceDisplaysRefresh() override;
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void RegisterObserver(Observer* observer) override;
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void UnregisterObserver(Observer* observer) override;
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Return<void> debug(const hidl_handle& fd,
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const hidl_vec<hidl_string>& args) override;
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private:
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class VsyncCallback : public BnVsyncCallback {
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public:
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status_t onVsync(int64_t vsync_timestamp) override;
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void SetEventCallback(EventCallback* callback);
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private:
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std::mutex mutex_;
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EventCallback* callback_;
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};
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HwcDisplay* FindDisplay(Display display);
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// Re-evaluate whether or not we should start making onVsync() callbacks to
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// the client. We need enableCallback(true) to have been called, and
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// setVsyncEnabled() to have been called for the primary display. The caller
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// must have mutex_ locked already.
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void UpdateVsyncCallbackEnabledLocked();
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wp<VrComposerClient> client_;
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// Guard access to internal state from binder threads.
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std::mutex mutex_;
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std::unordered_map<Display, std::unique_ptr<HwcDisplay>> displays_;
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Display display_count_ = 2;
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EventCallback* event_callback_ = nullptr;
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Observer* observer_ = nullptr;
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sp<VsyncCallback> vsync_callback_;
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VrHwc(const VrHwc&) = delete;
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void operator=(const VrHwc&) = delete;
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};
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} // namespace dvr
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} // namespace android
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#endif // ANDROID_DVR_HARDWARE_COMPOSER_IMPL_VR_HWC_H
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