chromium/third_party/dawn/src/dawn/native/QueryHelper.cpp

// Copyright 2020 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.

#include "dawn/native/QueryHelper.h"

#include <algorithm>
#include <cmath>

#include "dawn/native/BindGroup.h"
#include "dawn/native/BindGroupLayout.h"
#include "dawn/native/Buffer.h"
#include "dawn/native/CommandEncoder.h"
#include "dawn/native/ComputePassEncoder.h"
#include "dawn/native/ComputePipeline.h"
#include "dawn/native/Device.h"
#include "dawn/native/InternalPipelineStore.h"
#include "dawn/native/utils/WGPUHelpers.h"

namespace dawn::native {

namespace {

// Assert the offsets in dawn::native::TimestampParams are same with the ones in the shader
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;

static const char sConvertTimestampsToNanoseconds[] = …;

ResultOrError<ComputePipelineBase*> GetOrCreateTimestampComputePipeline(DeviceBase* device) { … }

}  // anonymous namespace

TimestampParams::TimestampParams(uint32_t first,
                                 uint32_t count,
                                 uint32_t offset,
                                 uint32_t quantizationMask,
                                 float period)
    : … { … }

MaybeError EncodeConvertTimestampsToNanoseconds(CommandEncoder* encoder,
                                                BufferBase* timestamps,
                                                BufferBase* availability,
                                                BufferBase* params) { … }

}  // namespace dawn::native