chromium/components/viz/common/frame_sinks/copy_output_util.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/viz/common/frame_sinks/copy_output_util.h"

#include <stdint.h>
#include <string>

#include "base/check_op.h"
#include "base/strings/stringprintf.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/vector2d.h"

namespace viz {
namespace copy_output {

namespace {

// Returns the same values as std::ceil(t * numerator / denominator), but
// without introducing floating-point math and using 64-bit integer ops to avoid
// overflow.
int64_t CeilScale(int32_t t, int32_t numerator, int32_t denominator) { … }

// Returns the same values as std::floor(t * numerator / denominator), but
// without introducing floating-point math and using 64-bit integer ops to avoid
// overflow.
int64_t FloorScale(int32_t t, int32_t numerator, int32_t denominator) { … }

}  // namespace

std::string RenderPassGeometry::ToString() const { … }

gfx::Rect ComputeResultRect(const gfx::Rect& area,
                            const gfx::Vector2d& scale_from,
                            const gfx::Vector2d& scale_to) { … }

RenderPassGeometry::RenderPassGeometry() = default;
RenderPassGeometry::~RenderPassGeometry() = default;

}  // namespace copy_output
}  // namespace viz