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/*
* Copyright (C) 2021-2023 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.
*/
#pragma once
#include "WebGPUColor.h"
#include "WebGPUIndexFormat.h"
#include "WebGPUIntegralTypes.h"
#include <cstdint>
#include <functional>
#include <optional>
#include <wtf/Ref.h>
#include <wtf/RefCountedAndCanMakeWeakPtr.h>
#include <wtf/Vector.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore::WebGPU {
class BindGroup;
class Buffer;
class QuerySet;
class RenderBundle;
class RenderPipeline;
class RenderPassEncoder : public RefCountedAndCanMakeWeakPtr<RenderPassEncoder> {
public:
virtual ~RenderPassEncoder() = default;
String label() const { return m_label; }
void setLabel(String&& label)
{
m_label = WTFMove(label);
setLabelInternal(m_label);
}
virtual void setPipeline(const RenderPipeline&) = 0;
virtual void setIndexBuffer(const Buffer&, IndexFormat, std::optional<Size64> offset, std::optional<Size64>) = 0;
virtual void setVertexBuffer(Index32 slot, const Buffer*, std::optional<Size64> offset, std::optional<Size64>) = 0;
virtual void draw(Size32 vertexCount, std::optional<Size32> instanceCount,
std::optional<Size32> firstVertex, std::optional<Size32> firstInstance) = 0;
virtual void drawIndexed(Size32 indexCount, std::optional<Size32> instanceCount,
std::optional<Size32> firstIndex,
std::optional<SignedOffset32> baseVertex,
std::optional<Size32> firstInstance) = 0;
virtual void drawIndirect(const Buffer& indirectBuffer, Size64 indirectOffset) = 0;
virtual void drawIndexedIndirect(const Buffer& indirectBuffer, Size64 indirectOffset) = 0;
virtual void setBindGroup(Index32, const BindGroup&,
std::optional<Vector<BufferDynamicOffset>>&& dynamicOffsets) = 0;
virtual void setBindGroup(Index32, const BindGroup&,
std::span<const uint32_t> dynamicOffsetsArrayBuffer,
Size64 dynamicOffsetsDataStart,
Size32 dynamicOffsetsDataLength) = 0;
virtual void pushDebugGroup(String&& groupLabel) = 0;
virtual void popDebugGroup() = 0;
virtual void insertDebugMarker(String&& markerLabel) = 0;
virtual void setViewport(float x, float y,
float width, float height,
float minDepth, float maxDepth) = 0;
virtual void setScissorRect(IntegerCoordinate x, IntegerCoordinate y,
IntegerCoordinate width, IntegerCoordinate height) = 0;
virtual void setBlendConstant(Color) = 0;
virtual void setStencilReference(StencilValue) = 0;
virtual void beginOcclusionQuery(Size32 queryIndex) = 0;
virtual void endOcclusionQuery() = 0;
virtual void executeBundles(Vector<Ref<RenderBundle>>&&) = 0;
virtual void end() = 0;
protected:
RenderPassEncoder() = default;
private:
RenderPassEncoder(const RenderPassEncoder&) = delete;
RenderPassEncoder(RenderPassEncoder&&) = delete;
RenderPassEncoder& operator=(const RenderPassEncoder&) = delete;
RenderPassEncoder& operator=(RenderPassEncoder&&) = delete;
virtual void setLabelInternal(const String&) = 0;
String m_label;
};
} // namespace WebCore::WebGPU
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