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// Copyright 2018 The Dawn & Tint Authors
//
// 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.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER 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.
#ifndef SRC_DAWN_NATIVE_COMPUTEPASSENCODER_H_
#define SRC_DAWN_NATIVE_COMPUTEPASSENCODER_H_
#include <utility>
#include <vector>
#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:
static Ref<ComputePassEncoder> Create(DeviceBase* device,
const ComputePassDescriptor* descriptor,
CommandEncoder* commandEncoder,
EncodingContext* encodingContext);
static Ref<ComputePassEncoder> MakeError(DeviceBase* device,
CommandEncoder* commandEncoder,
EncodingContext* encodingContext,
const char* label);
ObjectType GetType() const override;
void APIEnd();
void APIDispatchWorkgroups(uint32_t workgroupCountX,
uint32_t workgroupCountY = 1,
uint32_t workgroupCountZ = 1);
void APIDispatchWorkgroupsIndirect(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,
const ComputePassDescriptor* descriptor,
CommandEncoder* commandEncoder,
EncodingContext* encodingContext);
ComputePassEncoder(DeviceBase* device,
CommandEncoder* commandEncoder,
EncodingContext* encodingContext,
ErrorTag errorTag,
const char* label);
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 // SRC_DAWN_NATIVE_COMPUTEPASSENCODER_H_