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// Copyright 2018 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWNNATIVE_COMPUTEPASSENCODER_H_
#define DAWNNATIVE_COMPUTEPASSENCODER_H_
#include "dawn_native/CommandBufferStateTracker.h"
#include "dawn_native/Error.h"
#include "dawn_native/Forward.h"
#include "dawn_native/PassResourceUsageTracker.h"
#include "dawn_native/ProgrammableEncoder.h"
namespace dawn::native {
class SyncScopeUsageTracker;
class ComputePassEncoder final : public ProgrammableEncoder {
public:
ComputePassEncoder(DeviceBase* device,
const ComputePassDescriptor* descriptor,
CommandEncoder* commandEncoder,
EncodingContext* encodingContext);
static ComputePassEncoder* MakeError(DeviceBase* device,
CommandEncoder* commandEncoder,
EncodingContext* encodingContext);
ObjectType GetType() const override;
void APIEndPass();
void APIDispatch(uint32_t workgroupCountX,
uint32_t workgroupCountY = 1,
uint32_t workgroupCountZ = 1);
void APIDispatchIndirect(BufferBase* indirectBuffer, uint64_t indirectOffset);
void APISetPipeline(ComputePipelineBase* pipeline);
void APISetBindGroup(uint32_t groupIndex,
BindGroupBase* group,
uint32_t dynamicOffsetCount = 0,
const uint32_t* dynamicOffsets = nullptr);
void APIWriteTimestamp(QuerySetBase* querySet, uint32_t queryIndex);
CommandBufferStateTracker* GetCommandBufferStateTrackerForTesting();
void RestoreCommandBufferStateForTesting(CommandBufferStateTracker state) {
RestoreCommandBufferState(std::move(state));
}
protected:
ComputePassEncoder(DeviceBase* device,
CommandEncoder* commandEncoder,
EncodingContext* encodingContext,
ErrorTag errorTag);
private:
void DestroyImpl() override;
ResultOrError<std::pair<Ref<BufferBase>, uint64_t>> TransformIndirectDispatchBuffer(
Ref<BufferBase> indirectBuffer,
uint64_t indirectOffset);
void RestoreCommandBufferState(CommandBufferStateTracker state);
CommandBufferStateTracker mCommandBufferState;
// Adds the bindgroups used for the current dispatch to the SyncScopeResourceUsage and
// records it in mUsageTracker.
void AddDispatchSyncScope(SyncScopeUsageTracker scope = {});
ComputePassResourceUsageTracker mUsageTracker;
// For render and compute passes, the encoding context is borrowed from the command encoder.
// Keep a reference to the encoder to make sure the context isn't freed.
Ref<CommandEncoder> mCommandEncoder;
};
} // namespace dawn::native
#endif // DAWNNATIVE_COMPUTEPASSENCODER_H_