Source/WebCore/Modules/webgpu/WebGPURenderPassEncoder.idl

/*
 * 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 long i32;
typedef unsigned long u32;
typedef unsigned long long u64;

[
    Conditional=WEBGPU,
    EnabledAtRuntime=WebGPU,
    InterfaceName=GPURenderPassEncoder,
    JSGenerateToJSObject
] interface WebGPURenderPassEncoder : WebGPUProgrammablePassEncoder {
    void setPipeline(WebGPURenderPipeline pipeline);
    void setBlendColor(GPUColor color);

    // The default viewport is (0.0, 0.0, w, h, 0.0, 1.0), where w and h are the dimensions of back buffer
    void setViewport(float x, float y, float width, float height, float minDepth, float maxDepth);

    // The default scissor rectangle is (0, 0, w, h), where w and h are the dimensions of back buffer.
    // Width and height must be greater than 0. Otherwise, an error will be generated.
    void setScissorRect(u32 x, u32 y, u32 width, u32 height);

    void setIndexBuffer(WebGPUBuffer buffer, u64 offset);
    void setVertexBuffers(u32 startSlot, sequence<WebGPUBuffer> buffers, sequence<u64> offsets);

    void draw(u32 vertexCount, u32 instanceCount, u32 firstVertex, u32 firstInstance);
    void drawIndexed(u32 indexCount, u32 instanceCount, u32 firstIndex, i32 baseVertex, u32 firstInstance);

/* Not Yet Implemented
    void setStencilReference(u32 reference);
*/
};