chromium/third_party/dawn/src/dawn/native/IndirectDrawMetadata.h

// Copyright 2021 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_INDIRECTDRAWMETADATA_H_
#define SRC_DAWN_NATIVE_INDIRECTDRAWMETADATA_H_

#include <cstdint>
#include <map>
#include <utility>
#include <vector>

#include "absl/container/flat_hash_set.h"
#include "dawn/common/NonCopyable.h"
#include "dawn/common/Ref.h"
#include "dawn/native/Buffer.h"
#include "dawn/native/CommandBufferStateTracker.h"
#include "dawn/native/Commands.h"
#include "partition_alloc/pointers/raw_ptr.h"

namespace dawn::native {

class RenderBundleBase;
struct CombinedLimits;

// In the unlikely scenario that indirect offsets used over a single buffer span more than
// this length of the buffer, we split the validation work into multiple batches.
uint64_t ComputeMaxIndirectValidationBatchOffsetRange(const CombinedLimits& limits);

// Metadata corresponding to the validation requirements of a single render pass. This metadata
// is accumulated while its corresponding render pass is encoded, and is later used to encode
// validation commands to be inserted into the command buffer just before the render pass's own
// commands.
class IndirectDrawMetadata : public NonCopyable { … };

}  // namespace dawn::native

#endif  // SRC_DAWN_NATIVE_INDIRECTDRAWMETADATA_H_