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RenderPipeline.h
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RenderPipeline.h
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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. ``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
* 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
#import <wtf/FastMalloc.h>
#import <wtf/HashMap.h>
#import <wtf/HashTraits.h>
#import <wtf/Ref.h>
#import <wtf/RefCounted.h>
struct WGPURenderPipelineImpl {
};
namespace WebGPU {
class BindGroupLayout;
class Device;
class PipelineLayout;
// https://gpuweb.github.io/gpuweb/#gpurenderpipeline
class RenderPipeline : public WGPURenderPipelineImpl, public RefCounted<RenderPipeline> {
WTF_MAKE_FAST_ALLOCATED;
public:
static Ref<RenderPipeline> create(id<MTLRenderPipelineState> renderPipelineState, MTLPrimitiveType primitiveType, std::optional<MTLIndexType> indexType, MTLWinding frontFace, MTLCullMode cullMode, MTLDepthClipMode depthClipMode, MTLDepthStencilDescriptor *depthStencilDescriptor, MTLRenderPipelineReflection *reflection, const PipelineLayout *pipelineLayout, Device& device)
{
return adoptRef(*new RenderPipeline(renderPipelineState, primitiveType, indexType, frontFace, cullMode, depthClipMode, depthStencilDescriptor, reflection, pipelineLayout, device));
}
static Ref<RenderPipeline> createInvalid(Device& device)
{
return adoptRef(*new RenderPipeline(device));
}
~RenderPipeline();
RefPtr<BindGroupLayout> getBindGroupLayout(uint32_t groupIndex);
void setLabel(String&&);
bool isValid() const { return m_renderPipelineState; }
id<MTLRenderPipelineState> renderPipelineState() const { return m_renderPipelineState; }
id<MTLDepthStencilState> depthStencilState() const;
bool validateDepthStencilState(bool depthReadOnly, bool stencilReadOnly) const;
MTLPrimitiveType primitiveType() const { return m_primitiveType; }
MTLWinding frontFace() const { return m_frontFace; }
MTLCullMode cullMode() const { return m_cullMode; }
MTLDepthClipMode depthClipMode() const { return m_clipMode; }
Device& device() const { return m_device; }
private:
RenderPipeline(id<MTLRenderPipelineState>, MTLPrimitiveType, std::optional<MTLIndexType>, MTLWinding, MTLCullMode, MTLDepthClipMode, MTLDepthStencilDescriptor *, MTLRenderPipelineReflection*, const PipelineLayout*, Device&);
RenderPipeline(Device&);
const id<MTLRenderPipelineState> m_renderPipelineState { nil };
const Ref<Device> m_device;
HashMap<uint32_t, Ref<BindGroupLayout>, WTF::DefaultHash<uint32_t>, WTF::UnsignedWithZeroKeyHashTraits<uint32_t>> m_cachedBindGroupLayouts;
MTLPrimitiveType m_primitiveType;
std::optional<MTLIndexType> m_indexType;
MTLWinding m_frontFace;
MTLCullMode m_cullMode;
MTLDepthClipMode m_clipMode;
MTLDepthStencilDescriptor *m_depthStencilDescriptor;
id<MTLDepthStencilState> m_depthStencilState;
#if HAVE(METAL_BUFFER_BINDING_REFLECTION)
MTLRenderPipelineReflection *m_reflection { nil };
#endif
const PipelineLayout *m_pipelineLayout { nullptr };
};
} // namespace WebGPU