/*
 * Copyright (C) 2018 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */
// https://gpuweb.github.io/gpuweb

typedef unsigned long u32;
typedef unsigned long long u64;

[
    Conditional=WEBGPU,
    EnabledAtRuntime=WebGPU,
    ImplementedAs=WebGPUBufferCopyView
] dictionary GPUBufferCopyView {
    required WebGPUBuffer buffer;
    u64 offset = 0;
    required u32 rowPitch;
    required u32 imageHeight;
};

[
    Conditional=WEBGPU,
    EnabledAtRuntime=WebGPU,
    ImplementedAs=WebGPUTextureCopyView
] dictionary GPUTextureCopyView {
    required WebGPUTexture texture;
    u32 mipLevel = 0;
    u32 arrayLayer = 0;
    GPUOrigin3D origin; // {x: 0, y: 0, z: 0}
};

[
    Conditional=WEBGPU,
    EnabledAtRuntime=WebGPU,
    ImplementationLacksVTable,
    InterfaceName=GPUCommandEncoder
] interface WebGPUCommandEncoder {
    WebGPURenderPassEncoder beginRenderPass(WebGPURenderPassDescriptor descriptor);
    WebGPUComputePassEncoder beginComputePass();

    void copyBufferToBuffer(
        WebGPUBuffer src,
        u64 srcOffset,
        WebGPUBuffer dst,
        u64 dstOffset,
        u64 size);

    void copyBufferToTexture(
        GPUBufferCopyView source,
        GPUTextureCopyView destination,
        GPUExtent3D copySize);

    void copyTextureToBuffer(
        GPUTextureCopyView source,
        GPUBufferCopyView destination,
        GPUExtent3D copySize);

    void copyTextureToTexture(
        GPUTextureCopyView source,
        GPUTextureCopyView destination,
        GPUExtent3D copySize);

    WebGPUCommandBuffer finish();
};
