SF: Separate out display color handling
This creates a new class for the purpose of holding all the
functionality related to how colors are handled on the output display.
Test: atest libsurfaceflinger_unittest libcompositionengine_test
Bug: 121291683
Change-Id: Idcd4808c42d17ca37656993131d280ead3137a52
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/DisplayColorProfile.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/DisplayColorProfile.h
new file mode 100644
index 0000000..49c2d2c
--- /dev/null
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/DisplayColorProfile.h
@@ -0,0 +1,95 @@
+/*
+ * 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 <unordered_map>
+#include <vector>
+
+#include <compositionengine/DisplayColorProfile.h>
+#include <compositionengine/DisplayColorProfileCreationArgs.h>
+#include <ui/HdrCapabilities.h>
+
+namespace android::compositionengine {
+
+class CompositionEngine;
+class Display;
+
+namespace impl {
+
+class DisplayColorProfile : public compositionengine::DisplayColorProfile {
+public:
+ DisplayColorProfile(DisplayColorProfileCreationArgs&&);
+ ~DisplayColorProfile() override;
+
+ bool isValid() const override;
+
+ bool hasRenderIntent(ui::RenderIntent intent) const override;
+ bool hasLegacyHdrSupport(ui::Dataspace dataspace) const override;
+ void getBestColorMode(ui::Dataspace dataspace, ui::RenderIntent intent,
+ ui::Dataspace* outDataspace, ui::ColorMode* outMode,
+ ui::RenderIntent* outIntent) const override;
+
+ bool hasWideColorGamut() const override;
+ int32_t getSupportedPerFrameMetadata() const override;
+
+ // Whether h/w composer has native support for specific HDR type.
+ bool hasHDR10PlusSupport() const override;
+ bool hasHDR10Support() const override;
+ bool hasHLGSupport() const override;
+ bool hasDolbyVisionSupport() const override;
+
+ const HdrCapabilities& getHdrCapabilities() const override;
+
+ void dump(std::string&) const override;
+
+private:
+ void populateColorModes(const DisplayColorProfileCreationArgs::HwcColorModes& hwcColorModes);
+ void addColorMode(const DisplayColorProfileCreationArgs::HwcColorModes& hwcColorModes,
+ const ui::ColorMode mode, const ui::RenderIntent intent);
+
+ // Mappings from desired Dataspace/RenderIntent to the supported
+ // Dataspace/ColorMode/RenderIntent.
+ using ColorModeKey = uint64_t;
+ struct ColorModeValue {
+ ui::Dataspace dataspace;
+ ui::ColorMode colorMode;
+ ui::RenderIntent renderIntent;
+ };
+
+ static ColorModeKey getColorModeKey(ui::Dataspace dataspace, ui::RenderIntent intent) {
+ return (static_cast<uint64_t>(dataspace) << 32) | static_cast<uint32_t>(intent);
+ }
+
+ // Need to know if display is wide-color capable or not.
+ // Initialized by SurfaceFlinger when the DisplayDevice is created.
+ // Fed to RenderEngine during composition.
+ bool mHasWideColorGamut{false};
+ int32_t mSupportedPerFrameMetadata{0};
+ bool mHasHdr10Plus{false};
+ bool mHasHdr10{false};
+ bool mHasHLG{false};
+ bool mHasDolbyVision{false};
+ HdrCapabilities mHdrCapabilities;
+ std::unordered_map<ColorModeKey, ColorModeValue> mColorModes;
+};
+
+std::unique_ptr<compositionengine::DisplayColorProfile> createDisplayColorProfile(
+ DisplayColorProfileCreationArgs&&);
+
+} // namespace impl
+} // namespace android::compositionengine