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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GPU_ComputePassEncoder_H_
#define GPU_ComputePassEncoder_H_
#include "ObjectModel.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/webgpu/CanvasContext.h"
namespace mozilla {
class ErrorResult;
namespace dom {
struct GPUComputePassDescriptor;
}
namespace webgpu {
namespace ffi {
struct WGPURecordedComputePass;
} // namespace ffi
class BindGroup;
class Buffer;
class CommandEncoder;
class ComputePipeline;
struct ffiWGPUComputePassDeleter {
void operator()(ffi::WGPURecordedComputePass*);
};
class ComputePassEncoder final : public nsWrapperCache,
public ObjectBase,
public ChildOf<CommandEncoder> {
public:
GPU_DECL_CYCLE_COLLECTION(ComputePassEncoder)
GPU_DECL_JS_WRAP(ComputePassEncoder)
ComputePassEncoder(CommandEncoder* const aParent, RawId aId,
const dom::GPUComputePassDescriptor& aDesc);
private:
virtual ~ComputePassEncoder();
std::unique_ptr<ffi::WGPURecordedComputePass, ffiWGPUComputePassDeleter>
mPass;
// keep all the used objects alive while the pass is recorded
nsTArray<RefPtr<const BindGroup>> mUsedBindGroups;
nsTArray<RefPtr<const Buffer>> mUsedBuffers;
nsTArray<RefPtr<const ComputePipeline>> mUsedPipelines;
// The canvas contexts of any canvas textures used in bind groups of this
// compute pass.
CanvasContextArray mUsedCanvasContexts;
// programmable pass encoder
private:
bool mValid = true;
void SetBindGroup(uint32_t aSlot, BindGroup* const aBindGroup,
const uint32_t* aDynamicOffsets,
size_t aDynamicOffsetsLength);
public:
void Invalidate() { mValid = false; }
void SetBindGroup(uint32_t aSlot, BindGroup* const aBindGroup,
const dom::Sequence<uint32_t>& aDynamicOffsets,
ErrorResult& aRv);
void SetBindGroup(uint32_t aSlot, BindGroup* const aBindGroup,
const dom::Uint32Array& aDynamicOffsetsData,
uint64_t aDynamicOffsetsDataStart,
uint64_t aDynamicOffsetsDataLength, ErrorResult& aRv);
// self
void SetPipeline(const ComputePipeline& aPipeline);
void DispatchWorkgroups(uint32_t workgroupCountX, uint32_t workgroupCountY,
uint32_t workgroupCountZ);
void DispatchWorkgroupsIndirect(const Buffer& aIndirectBuffer,
uint64_t aIndirectOffset);
void PushDebugGroup(const nsAString& aString);
void PopDebugGroup();
void InsertDebugMarker(const nsAString& aString);
void End();
// helpers not defined by WebGPU
mozilla::Span<const WeakPtr<CanvasContext>> GetCanvasContexts() const {
return mUsedCanvasContexts;
}
};
} // namespace webgpu
} // namespace mozilla
#endif // GPU_ComputePassEncoder_H_
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