src/gpu/android/AHardwareBufferUtils.cpp

/*
 * Copyright 2023 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "include/android/AHardwareBufferUtils.h"

#if __ANDROID_API__ >= 26

#include <android/hardware_buffer.h>

#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
// When building for the Android framework, there are formats defined outside of those publicly
// available in android/hardware_buffer.h.
#include <vndk/hardware_buffer.h>
#endif

namespace AHardwareBufferUtils {

SkColorType GetSkColorTypeFromBufferFormat(uint32_t bufferFormat) {
    switch (bufferFormat) {
        case AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM:
            return kRGBA_8888_SkColorType;
        case AHARDWAREBUFFER_FORMAT_R8G8B8X8_UNORM:
            return kRGB_888x_SkColorType;
#if __ANDROID_API__ >= 34
        case AHARDWAREBUFFER_FORMAT_R10G10B10A10_UNORM:
            return kRGBA_10x6_SkColorType;
#endif
        case AHARDWAREBUFFER_FORMAT_R16G16B16A16_FLOAT:
            return kRGBA_F16_SkColorType;
        case AHARDWAREBUFFER_FORMAT_R5G6B5_UNORM:
            return kRGB_565_SkColorType;
        case AHARDWAREBUFFER_FORMAT_R8G8B8_UNORM:
            return kRGB_888x_SkColorType;
        case AHARDWAREBUFFER_FORMAT_R10G10B10A2_UNORM:
            return kRGBA_1010102_SkColorType;
#if __ANDROID_API__ >= 33
        case AHARDWAREBUFFER_FORMAT_R8_UNORM:
            return kAlpha_8_SkColorType;
#endif
#if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK)
        case AHARDWAREBUFFER_FORMAT_B8G8R8A8_UNORM:
            return kBGRA_8888_SkColorType;
#endif
        default:
            // Given that we only use this texture as a source, colorType will not impact how Skia
            // uses the texture.  The only potential affect this is anticipated to have is that for
            // some format types if we are not bound as an OES texture we may get invalid results
            // for SKP capture if we read back the texture.
            return kRGBA_8888_SkColorType;
    }
}

}  // namespace AHardwareBufferUtils

#endif // __ANDROID_API__ >= 26