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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_PROGRAMMABLEPASSENCODER_H_
#define DAWNNATIVE_PROGRAMMABLEPASSENCODER_H_
#include "dawn_native/CommandEncoder.h"
#include "dawn_native/Error.h"
#include "dawn_native/ObjectBase.h"
#include "dawn_native/dawn_platform.h"
namespace dawn_native {
class CommandAllocator;
class DeviceBase;
// Base class for shared functionality between ComputePassEncoder and RenderPassEncoder.
class ProgrammablePassEncoder : public ObjectBase {
public:
ProgrammablePassEncoder(DeviceBase* device,
CommandEncoderBase* topLevelEncoder,
CommandAllocator* allocator);
void EndPass();
void SetBindGroup(uint32_t groupIndex, BindGroupBase* group);
void SetPushConstants(dawn::ShaderStageBit stages,
uint32_t offset,
uint32_t count,
const void* data);
protected:
MaybeError ValidateCanRecordCommands() const;
// The allocator is borrowed from the top level encoder. Keep a reference to the encoder
// to make sure the allocator isn't freed.
Ref<CommandEncoderBase> mTopLevelEncoder = nullptr;
// mAllocator is cleared at the end of the pass so it acts as a tag that EndPass was called
CommandAllocator* mAllocator = nullptr;
};
} // namespace dawn_native
#endif // DAWNNATIVE_PROGRAMMABLEPASSENCODER_H_