284 lines
11 KiB
C++
284 lines
11 KiB
C++
/*
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* Copyright (c) 2014-2016, 2019, The Linux Foundation. All rights reserved.
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* Not a Contribution.
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*
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* Copyright 2015 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 __HWC_DISPLAY_H__
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#define __HWC_DISPLAY_H__
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#include <QService.h>
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#include <core/core_interface.h>
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#include <hardware/hwcomposer.h>
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#include <private/color_params.h>
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#include <qdMetaData.h>
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#include <map>
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#include <queue>
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#include <set>
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#include <string>
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#include <utility>
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#include <vector>
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#include "hwc_buffer_allocator.h"
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#include "hwc_callbacks.h"
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#include "hwc_layers.h"
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namespace sdm {
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class BlitEngine;
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// Subclasses set this to their type. This has to be different from DisplayType.
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// This is to avoid RTTI and dynamic_cast
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enum DisplayClass {
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DISPLAY_CLASS_PRIMARY,
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DISPLAY_CLASS_EXTERNAL,
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DISPLAY_CLASS_VIRTUAL,
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DISPLAY_CLASS_NULL
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};
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class HWCColorMode {
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public:
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explicit HWCColorMode(DisplayInterface *display_intf);
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~HWCColorMode() {}
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HWC2::Error Init();
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HWC2::Error DeInit();
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uint32_t GetColorModeCount();
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HWC2::Error GetColorModes(uint32_t *out_num_modes, android_color_mode_t *out_modes);
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HWC2::Error SetColorMode(android_color_mode_t mode);
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HWC2::Error SetColorTransform(const float *matrix, android_color_transform_t hint);
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private:
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static const uint32_t kColorTransformMatrixCount = 16;
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HWC2::Error HandleColorModeTransform(android_color_mode_t mode,
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android_color_transform_t hint, const double *matrix);
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void PopulateColorModes();
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void PopulateTransform(const android_color_mode_t &mode, const std::string &color_mode);
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template <class T>
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void CopyColorTransformMatrix(const T *input_matrix, double *output_matrix) {
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for (uint32_t i = 0; i < kColorTransformMatrixCount; i++) {
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output_matrix[i] = static_cast<double>(input_matrix[i]);
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}
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}
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DisplayInterface *display_intf_ = NULL;
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android_color_mode_t current_color_mode_ = HAL_COLOR_MODE_NATIVE;
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android_color_transform_t current_color_transform_ = HAL_COLOR_TRANSFORM_IDENTITY;
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typedef std::map<android_color_transform_t, std::string> TransformMap;
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std::map<android_color_mode_t, TransformMap> color_mode_transform_map_ = {};
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double color_matrix_[kColorTransformMatrixCount] = {0};
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};
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class HWCDisplay : public DisplayEventHandler {
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public:
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virtual ~HWCDisplay() {}
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virtual int Init();
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virtual int Deinit();
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// Framebuffer configurations
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virtual void SetIdleTimeoutMs(uint32_t timeout_ms);
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virtual void SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type);
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virtual DisplayError SetMaxMixerStages(uint32_t max_mixer_stages);
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virtual DisplayError ControlPartialUpdate(bool enable, uint32_t *pending) {
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return kErrorNotSupported;
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}
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virtual HWC2::PowerMode GetLastPowerMode();
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virtual int SetFrameBufferResolution(uint32_t x_pixels, uint32_t y_pixels);
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virtual void GetFrameBufferResolution(uint32_t *x_pixels, uint32_t *y_pixels);
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virtual int SetDisplayStatus(uint32_t display_status);
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virtual int OnMinHdcpEncryptionLevelChange(uint32_t min_enc_level);
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virtual int Perform(uint32_t operation, ...);
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virtual void SetSecureDisplay(bool secure_display_active);
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virtual DisplayError SetMixerResolution(uint32_t width, uint32_t height);
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virtual DisplayError GetMixerResolution(uint32_t *width, uint32_t *height);
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virtual void GetPanelResolution(uint32_t *width, uint32_t *height);
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virtual std::string Dump(void);
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// Captures frame output in the buffer specified by output_buffer_info. The API is
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// non-blocking and the client is expected to check operation status later on.
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// Returns -1 if the input is invalid.
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virtual int FrameCaptureAsync(const BufferInfo &output_buffer_info, bool post_processed) {
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return -1;
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}
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// Returns the status of frame capture operation requested with FrameCaptureAsync().
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// -EAGAIN : No status obtain yet, call API again after another frame.
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// < 0 : Operation happened but failed.
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// 0 : Success.
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virtual int GetFrameCaptureStatus() { return -EAGAIN; }
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// Display Configurations
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virtual int SetActiveDisplayConfig(int config);
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virtual int GetActiveDisplayConfig(uint32_t *config);
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virtual int GetDisplayConfigCount(uint32_t *count);
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virtual int GetDisplayAttributesForConfig(int config,
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DisplayConfigVariableInfo *display_attributes);
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int SetPanelBrightness(int level);
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int GetPanelBrightness(int *level);
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int ToggleScreenUpdates(bool enable);
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int ColorSVCRequestRoute(const PPDisplayAPIPayload &in_payload, PPDisplayAPIPayload *out_payload,
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PPPendingParams *pending_action);
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void SolidFillPrepare();
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void SolidFillCommit();
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DisplayClass GetDisplayClass();
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int GetVisibleDisplayRect(hwc_rect_t *rect);
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void BuildLayerStack(void);
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void BuildSolidFillStack(void);
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HWCLayer *GetHWCLayer(hwc2_layer_t layer);
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// HWC2 APIs
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virtual HWC2::Error AcceptDisplayChanges(void);
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virtual HWC2::Error GetActiveConfig(hwc2_config_t *out_config);
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virtual HWC2::Error SetActiveConfig(hwc2_config_t config);
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virtual HWC2::Error SetClientTarget(buffer_handle_t target, int32_t acquire_fence,
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int32_t dataspace, hwc_region_t damage);
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virtual HWC2::Error SetColorMode(android_color_mode_t mode) {
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return HWC2::Error::Unsupported;
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}
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virtual HWC2::Error SetColorTransform(const float *matrix, android_color_transform_t hint) {
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return HWC2::Error::Unsupported;
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}
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virtual HWC2::Error HandleColorModeTransform(android_color_mode_t mode,
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android_color_transform_t hint,
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const double *matrix) {
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return HWC2::Error::Unsupported;
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}
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virtual HWC2::Error GetDisplayConfigs(uint32_t *out_num_configs, hwc2_config_t *out_configs);
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virtual HWC2::Error GetDisplayAttribute(hwc2_config_t config, HWC2::Attribute attribute,
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int32_t *out_value);
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virtual HWC2::Error GetClientTargetSupport(uint32_t width, uint32_t height, int32_t format,
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int32_t dataspace);
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virtual HWC2::Error GetColorModes(uint32_t *outNumModes, android_color_mode_t *outModes);
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virtual HWC2::Error GetChangedCompositionTypes(uint32_t *out_num_elements,
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hwc2_layer_t *out_layers, int32_t *out_types);
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virtual HWC2::Error GetDisplayRequests(int32_t *out_display_requests, uint32_t *out_num_elements,
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hwc2_layer_t *out_layers, int32_t *out_layer_requests);
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virtual HWC2::Error GetDisplayName(uint32_t *out_size, char *out_name);
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virtual HWC2::Error GetDisplayType(int32_t *out_type);
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virtual HWC2::Error SetCursorPosition(hwc2_layer_t layer, int x, int y);
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virtual HWC2::Error SetVsyncEnabled(HWC2::Vsync enabled);
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virtual HWC2::Error SetPowerMode(HWC2::PowerMode mode);
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virtual HWC2::Error CreateLayer(hwc2_layer_t *out_layer_id);
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virtual HWC2::Error DestroyLayer(hwc2_layer_t layer_id);
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virtual HWC2::Error SetLayerZOrder(hwc2_layer_t layer_id, uint32_t z);
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virtual HWC2::Error Validate(uint32_t *out_num_types, uint32_t *out_num_requests) = 0;
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virtual HWC2::Error GetReleaseFences(uint32_t *out_num_elements, hwc2_layer_t *out_layers,
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int32_t *out_fences);
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virtual HWC2::Error Present(int32_t *out_retire_fence) = 0;
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bool validated_ = false;
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bool skip_validate_ = false;
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uint32_t geometry_changes_ = GeometryChanges::kNone;
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protected:
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enum DisplayStatus {
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kDisplayStatusOffline = 0,
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kDisplayStatusOnline,
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kDisplayStatusPause,
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kDisplayStatusResume,
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};
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// Maximum number of layers supported by display manager.
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static const uint32_t kMaxLayerCount = 32;
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HWCDisplay(CoreInterface *core_intf, HWCCallbacks *callbacks, DisplayType type, hwc2_display_t id,
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bool needs_blit, qService::QService *qservice, DisplayClass display_class,
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BufferAllocator *buffer_allocator);
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// DisplayEventHandler methods
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virtual DisplayError VSync(const DisplayEventVSync &vsync);
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virtual DisplayError Refresh();
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virtual DisplayError CECMessage(char *message);
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virtual void DumpOutputBuffer(const BufferInfo &buffer_info, void *base, int fence);
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virtual HWC2::Error PrepareLayerStack(uint32_t *out_num_types, uint32_t *out_num_requests);
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virtual HWC2::Error CommitLayerStack(void);
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virtual HWC2::Error PostCommitLayerStack(int32_t *out_retire_fence);
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virtual DisplayError DisablePartialUpdateOneFrame() {
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return kErrorNotSupported;
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}
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LayerBufferFormat GetSDMFormat(const int32_t &source, const int flags);
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const char *GetHALPixelFormatString(int format);
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const char *GetDisplayString();
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void MarkLayersForGPUBypass(void);
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void MarkLayersForClientComposition(void);
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virtual void ApplyScanAdjustment(hwc_rect_t *display_frame);
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bool SingleLayerUpdating(void);
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bool IsLayerUpdating(HWCLayer *layer);
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uint32_t SanitizeRefreshRate(uint32_t req_refresh_rate);
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virtual void CloseAcquireFds();
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virtual void GetUnderScanConfig() { }
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enum {
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INPUT_LAYER_DUMP,
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OUTPUT_LAYER_DUMP,
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};
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CoreInterface *core_intf_ = nullptr;
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HWCCallbacks *callbacks_ = nullptr;
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HWCBufferAllocator *buffer_allocator_ = NULL;
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DisplayType type_;
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hwc2_display_t id_;
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bool needs_blit_ = false;
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DisplayInterface *display_intf_ = NULL;
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LayerStack layer_stack_;
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HWCLayer *client_target_ = nullptr; // Also known as framebuffer target
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std::map<hwc2_layer_t, HWCLayer *> layer_map_; // Look up by Id - TODO
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std::multiset<HWCLayer *, SortLayersByZ> layer_set_; // Maintain a set sorted by Z
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std::map<hwc2_layer_t, HWC2::Composition> layer_changes_;
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std::map<hwc2_layer_t, HWC2::LayerRequest> layer_requests_;
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bool flush_on_error_ = false;
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bool flush_ = false;
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uint32_t dump_frame_count_ = 0;
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uint32_t dump_frame_index_ = 0;
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bool dump_input_layers_ = false;
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HWC2::PowerMode last_power_mode_;
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bool swap_interval_zero_ = false;
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bool display_paused_ = false;
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uint32_t min_refresh_rate_ = 0;
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uint32_t max_refresh_rate_ = 0;
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uint32_t current_refresh_rate_ = 0;
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bool use_metadata_refresh_rate_ = false;
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uint32_t metadata_refresh_rate_ = 0;
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uint32_t force_refresh_rate_ = 0;
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bool boot_animation_completed_ = false;
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bool shutdown_pending_ = false;
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bool use_blit_comp_ = false;
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bool secure_display_active_ = false;
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bool skip_prepare_ = false;
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bool solid_fill_enable_ = false;
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Layer *solid_fill_layer_ = NULL;
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LayerRect solid_fill_rect_ = {};
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uint32_t solid_fill_color_ = 0;
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LayerRect display_rect_;
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bool color_tranform_failed_ = false;
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HWCColorMode *color_mode_ = NULL;
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private:
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void DumpInputBuffers(void);
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bool CanSkipValidate();
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qService::QService *qservice_ = NULL;
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DisplayClass display_class_;
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bool partial_update_enabled_ = false;
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};
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inline int HWCDisplay::Perform(uint32_t operation, ...) {
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return 0;
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}
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} // namespace sdm
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#endif // __HWC_DISPLAY_H__
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