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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_VIZ_COMMON_VIZ_UTILS_H_
#define COMPONENTS_VIZ_COMMON_VIZ_UTILS_H_
#include <string>
#include "base/timer/elapsed_timer.h"
#include "build/build_config.h"
#include "cc/paint/filter_operations.h"
#include "components/viz/common/quads/draw_quad.h"
#include "components/viz/common/viz_common_export.h"
namespace gfx {
class Rect;
} // namespace gfx
namespace viz {
#if BUILDFLAG(IS_ANDROID)
VIZ_COMMON_EXPORT bool PreferRGB565ResourcesForDisplay();
VIZ_COMMON_EXPORT bool AlwaysUseWideColorGamut();
#endif
class CopyOutputRequest;
class RenderPassDrawQuadInternal;
// Returns File Descriptor (FD) stats for current process.
// Rendering resources can consume FDs. This this function can be used to
// determine if the process is low on FDs or find an FD leak.
VIZ_COMMON_EXPORT bool GatherFDStats(base::TimeDelta* delta_time_taken,
int* fd_max,
int* active_fd_count,
int* rlim_cur);
// Returns the smallest rectangle in target space that contains the quad.
VIZ_COMMON_EXPORT gfx::Rect ClippedQuadRectangle(const DrawQuad* quad);
VIZ_COMMON_EXPORT gfx::RectF ClippedQuadRectangleF(const DrawQuad* quad);
// The expanded area that will be changed by a render pass draw quad with a
// pixel-moving foreground filter. The returned bounds are in the quad's target
// coordinate space.
VIZ_COMMON_EXPORT gfx::Rect GetTargetExpandedRectForPixelMovingFilters(
const RenderPassDrawQuadInternal& rpdq,
const cc::FilterOperations& filters);
// The expanded area that will be changed by a render pass draw quad with a
// pixel-moving foreground filter. The returned bounds are in the quad's
// original coordinate space.
VIZ_COMMON_EXPORT gfx::Rect GetExpandedRectForPixelMovingFilters(
const RenderPassDrawQuadInternal& rpdq,
const cc::FilterOperations& filters);
// This transforms a rect from the view transition content surface/render_pass
// space to the shared element quad space.
VIZ_COMMON_EXPORT gfx::Transform GetViewTransitionTransform(
gfx::Rect shared_element_quad,
gfx::Rect view_transition_content_output);
// Returns true if the quad's visible rect bounds overlaps with at least one
// of the rounded corners bounding rects.
VIZ_COMMON_EXPORT bool QuadRoundedCornersBoundsIntersects(
const DrawQuad* quad,
const gfx::RectF& target_quad);
// Customizes the output sizes of a `CopyOutputRequest`.
VIZ_COMMON_EXPORT void SetCopyOutputRequestResultSize(
CopyOutputRequest* request,
const gfx::Rect& src_rect,
const gfx::Size& output_size,
const gfx::Size& surface_size_in_pixels);
} // namespace viz
#define VIZ_HIT_PATH(path_name) \
do { \
static bool init = false; \
if (!init) { \
std::string name = \
"Compositing.Display.VizCodePath." + std::string(#path_name); \
UMA_HISTOGRAM_BOOLEAN(name, true); \
init = true; \
} \
} while (0)
#endif // COMPONENTS_VIZ_COMMON_VIZ_UTILS_H_
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