/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.1 (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-2.1
 *
 * 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 "SurfaceFlingerConfigs.h"

#include <android/hardware/configstore/1.1/types.h>
#include <log/log.h>

namespace android {
namespace hardware {
namespace configstore {
namespace V1_1 {
namespace implementation {

// ::android::hardware::configstore::V1_0::ISurfaceFlingerConfigs implementation.
Return<void> SurfaceFlingerConfigs::vsyncEventPhaseOffsetNs(vsyncEventPhaseOffsetNs_cb _hidl_cb) {
#ifdef VSYNC_EVENT_PHASE_OFFSET_NS
    _hidl_cb({true, VSYNC_EVENT_PHASE_OFFSET_NS});
#else
    _hidl_cb({false, 0});
#endif
    return Void();
}

Return<void> SurfaceFlingerConfigs::vsyncSfEventPhaseOffsetNs(vsyncEventPhaseOffsetNs_cb _hidl_cb) {
#ifdef SF_VSYNC_EVENT_PHASE_OFFSET_NS
    _hidl_cb({true, SF_VSYNC_EVENT_PHASE_OFFSET_NS});
#else
    _hidl_cb({false, 0});
#endif
    return Void();
}

Return<void> SurfaceFlingerConfigs::useContextPriority(useContextPriority_cb _hidl_cb) {
#ifdef USE_CONTEXT_PRIORITY
    _hidl_cb({true, USE_CONTEXT_PRIORITY});
#else
    _hidl_cb({false, false});
#endif
    return Void();
}

Return<void> SurfaceFlingerConfigs::maxFrameBufferAcquiredBuffers(
        maxFrameBufferAcquiredBuffers_cb _hidl_cb) {
#ifdef NUM_FRAMEBUFFER_SURFACE_BUFFERS
    _hidl_cb({true, NUM_FRAMEBUFFER_SURFACE_BUFFERS});
#else
    _hidl_cb({false, 0});
#endif
    return Void();
}

Return<void> SurfaceFlingerConfigs::hasWideColorDisplay(hasWideColorDisplay_cb _hidl_cb) {
    bool value = false;
#ifdef HAS_WIDE_COLOR_DISPLAY
    value = true;
#endif
    _hidl_cb({true, value});
    return Void();
}

Return<void> SurfaceFlingerConfigs::hasSyncFramework(hasSyncFramework_cb _hidl_cb) {
    bool value = true;
#ifdef RUNNING_WITHOUT_SYNC_FRAMEWORK
    value = false;
#endif
    _hidl_cb({true, value});
    return Void();
}

Return<void> SurfaceFlingerConfigs::hasHDRDisplay(hasHDRDisplay_cb _hidl_cb) {
    bool value = false;
#ifdef HAS_HDR_DISPLAY
    value = true;
#endif
    _hidl_cb({true, value});
    return Void();
}

Return<void> SurfaceFlingerConfigs::presentTimeOffsetFromVSyncNs(
        presentTimeOffsetFromVSyncNs_cb _hidl_cb) {
#ifdef PRESENT_TIME_OFFSET_FROM_VSYNC_NS
    _hidl_cb({true, PRESENT_TIME_OFFSET_FROM_VSYNC_NS});
#else
    _hidl_cb({false, 0});
#endif
    return Void();
}

Return<void> SurfaceFlingerConfigs::useHwcForRGBtoYUV(useHwcForRGBtoYUV_cb _hidl_cb) {
    bool value = false;
#ifdef FORCE_HWC_COPY_FOR_VIRTUAL_DISPLAYS
    value = true;
#endif
    _hidl_cb({true, value});
    return Void();
}

Return<void> SurfaceFlingerConfigs::maxVirtualDisplaySize(maxVirtualDisplaySize_cb _hidl_cb) {
    uint64_t maxSize = 0;
#ifdef MAX_VIRTUAL_DISPLAY_DIMENSION
    maxSize = MAX_VIRTUAL_DISPLAY_DIMENSION;
    _hidl_cb({true, maxSize});
#else
    _hidl_cb({false, maxSize});
#endif
    return Void();
}

Return<void> SurfaceFlingerConfigs::useVrFlinger(useVrFlinger_cb _hidl_cb) {
    bool value = false;
    bool specified = false;
#ifdef USE_VR_FLINGER
    value = true;
    specified = true;
#endif
    _hidl_cb({specified, value});
    return Void();
}

Return<void> SurfaceFlingerConfigs::startGraphicsAllocatorService(
        startGraphicsAllocatorService_cb _hidl_cb) {
    bool value = false;
#ifdef START_GRAPHICS_ALLOCATOR_SERVICE
    value = true;
#endif
    _hidl_cb({true, value});
    return Void();
}

// ::android::hardware::configstore::V1_1::ISurfaceFlingerConfigs implementation.

#ifdef PRIMARY_DISPLAY_ORIENTATION
static_assert(PRIMARY_DISPLAY_ORIENTATION == 0 || PRIMARY_DISPLAY_ORIENTATION == 90 ||
                      PRIMARY_DISPLAY_ORIENTATION == 180 || PRIMARY_DISPLAY_ORIENTATION == 270,
              "Primary display orientation must be 0/90/180/270");
#endif

Return<void> SurfaceFlingerConfigs::primaryDisplayOrientation(
        primaryDisplayOrientation_cb _hidl_cb) {
    using ::android::hardware::configstore::V1_1::DisplayOrientation;

    bool specified = false;
    DisplayOrientation value = DisplayOrientation::ORIENTATION_0;

    int orientation = 0;
#ifdef PRIMARY_DISPLAY_ORIENTATION
    specified = true;
    orientation = PRIMARY_DISPLAY_ORIENTATION;
#endif

    switch (orientation) {
        case 0: {
            value = DisplayOrientation::ORIENTATION_0;
            break;
        }
        case 90: {
            value = DisplayOrientation::ORIENTATION_90;
            break;
        }
        case 180: {
            value = DisplayOrientation::ORIENTATION_180;
            break;
        }
        case 270: {
            value = DisplayOrientation::ORIENTATION_270;
            break;
        }
        default: {
            // statically checked above -> memory corruption
            LOG_ALWAYS_FATAL("Invalid orientation %d", orientation);
        }
    }

    _hidl_cb({specified, value});
    return Void();
}

}  // namespace implementation
}  // namespace V1_1
}  // namespace configstore
}  // namespace hardware
}  // namespace android