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/*
* Copyright 2019 The Android Open Source Project
*
* 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.
*/
#pragma once
#include <cstdint>
#include <string>
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wconversion"
#include <ui/GraphicTypes.h>
// TODO(b/129481165): remove the #pragma below and fix conversion issues
#pragma clang diagnostic pop // ignored "-Wconversion"
namespace android {
class HdrCapabilities;
namespace compositionengine {
/**
* Encapsulates all the state and functionality for how colors should be
* transformed for a display
*/
class DisplayColorProfile {
public:
constexpr static float sDefaultMinLumiance = 0.0;
constexpr static float sDefaultMaxLumiance = 500.0;
virtual ~DisplayColorProfile();
// Returns true if the profile is valid. This is meant to be checked post-
// construction and prior to use, as not everything is set up by the
// constructor.
virtual bool isValid() const = 0;
// Returns true if the profile supports the indicated render intent
virtual bool hasRenderIntent(ui::RenderIntent) const = 0;
// Returns true if the profile supports the indicated dataspace
virtual bool hasLegacyHdrSupport(ui::Dataspace) const = 0;
// Obtains the best combination of color mode and render intent for the
// input values
virtual void getBestColorMode(ui::Dataspace dataspace, ui::RenderIntent intent,
ui::Dataspace* outDataspace, ui::ColorMode* outMode,
ui::RenderIntent* outIntent) const = 0;
// Returns true if the profile supports a wide color gamut
virtual bool hasWideColorGamut() const = 0;
// Returns the per-frame metadata value for this profile
virtual int32_t getSupportedPerFrameMetadata() const = 0;
// Returns true if HWC for this profile supports HDR10Plus
virtual bool hasHDR10PlusSupport() const = 0;
// Returns true if HWC for this profile supports HDR10
virtual bool hasHDR10Support() const = 0;
// Returns true if HWC for this profile supports HLG
virtual bool hasHLGSupport() const = 0;
// Returns true if HWC for this profile supports DolbyVision
virtual bool hasDolbyVisionSupport() const = 0;
// Gets the supported HDR capabilities for the profile
virtual const HdrCapabilities& getHdrCapabilities() const = 0;
// Returns true if HWC for this profile supports the dataspace
virtual bool isDataspaceSupported(ui::Dataspace) const = 0;
// Returns the target dataspace for picked color mode and dataspace
virtual ui::Dataspace getTargetDataspace(ui::ColorMode, ui::Dataspace,
ui::Dataspace colorSpaceAgnosticDataspace) const = 0;
// Debugging
virtual void dump(std::string&) const = 0;
};
} // namespace compositionengine
} // namespace android
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