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[Impeller] Add stroke benchmarks that create UVs with no transform #50847

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Feb 22, 2024
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[Impeller] Add stroke benchmarks that create UVs with no transform #50847

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56 changes: 31 additions & 25 deletions impeller/geometry/geometry_benchmarks.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -97,20 +97,28 @@ static void BM_Polyline(benchmark::State& state, Args&&... args) {
state.counters["TotalPointCount"] = point_count;
}

enum class UVMode {
kNoUV,
kUVRect,
kUVRectTx,
};

template <class... Args>
static void BM_StrokePolyline(benchmark::State& state, Args&&... args) {
auto args_tuple = std::make_tuple(std::move(args)...);
auto path = std::get<Path>(args_tuple);
auto cap = std::get<Cap>(args_tuple);
auto join = std::get<Join>(args_tuple);
auto generate_uv = std::get<bool>(args_tuple);
auto generate_uv = std::get<UVMode>(args_tuple);

const Scalar stroke_width = 5.0f;
const Scalar miter_limit = 10.0f;
const Scalar scale = 1.0f;
const Point texture_origin = Point(0, 0);
const Size texture_size = Size(100, 100);
const Matrix effect_transform = Matrix::MakeScale({2.0f, 2.0f, 1.0f});
const Matrix effect_transform = (generate_uv == UVMode::kUVRectTx)
? Matrix::MakeScale({2.0f, 2.0f, 1.0f})
: Matrix();

auto points = std::make_unique<std::vector<Point>>();
points->reserve(2048);
Expand All @@ -123,15 +131,15 @@ static void BM_StrokePolyline(benchmark::State& state, Args&&... args) {
size_t point_count = 0u;
size_t single_point_count = 0u;
while (state.KeepRunning()) {
if (generate_uv) {
if (generate_uv == UVMode::kNoUV) {
auto vertices = ImpellerBenchmarkAccessor::GenerateSolidStrokeVertices(
polyline, stroke_width, miter_limit, join, cap, scale);
single_point_count = vertices.size();
} else {
auto vertices = ImpellerBenchmarkAccessor::GenerateSolidStrokeVerticesUV(
polyline, stroke_width, miter_limit, join, cap, scale, //
texture_origin, texture_size, effect_transform);
single_point_count = vertices.size();
} else {
auto vertices = ImpellerBenchmarkAccessor::GenerateSolidStrokeVertices(
polyline, stroke_width, miter_limit, join, cap, scale);
single_point_count = vertices.size();
}
point_count += single_point_count;
}
Expand All @@ -157,24 +165,21 @@ static void BM_Convex(benchmark::State& state, Args&&... args) {
state.counters["TotalPointCount"] = point_count;
}

#define MAKE_STROKE_BENCHMARK_CAPTURE(path, cap, join, closed) \
BENCHMARK_CAPTURE(BM_StrokePolyline, stroke_##path##_##cap##_##join, \
Create##path(closed), Cap::k##cap, Join::k##join, false)

#define MAKE_STROKE_BENCHMARK_CAPTURE_UV(path, cap, join, closed) \
BENCHMARK_CAPTURE(BM_StrokePolyline, stroke_##path##_##cap##_##join##_uv, \
Create##path(closed), Cap::k##cap, Join::k##join, true)
#define MAKE_STROKE_BENCHMARK_CAPTURE(path, cap, join, closed, uvname, uvtype) \
BENCHMARK_CAPTURE(BM_StrokePolyline, stroke_##path##_##cap##_##join##uvname, \
Create##path(closed), Cap::k##cap, Join::k##join, uvtype)

#define MAKE_STROKE_BENCHMARK_CAPTURE_CAPS_JOINS(path, uv) \
MAKE_STROKE_BENCHMARK_CAPTURE##uv(path, Butt, Bevel, false); \
MAKE_STROKE_BENCHMARK_CAPTURE##uv(path, Butt, Miter, false); \
MAKE_STROKE_BENCHMARK_CAPTURE##uv(path, Butt, Round, false); \
MAKE_STROKE_BENCHMARK_CAPTURE##uv(path, Square, Bevel, false); \
MAKE_STROKE_BENCHMARK_CAPTURE##uv(path, Round, Bevel, false)
#define MAKE_STROKE_BENCHMARK_CAPTURE_CAPS_JOINS(path, uvname, uvtype) \
MAKE_STROKE_BENCHMARK_CAPTURE(path, Butt, Bevel, false, uvname, uvtype); \
MAKE_STROKE_BENCHMARK_CAPTURE(path, Butt, Miter, false, uvname, uvtype); \
MAKE_STROKE_BENCHMARK_CAPTURE(path, Butt, Round, false, uvname, uvtype); \
MAKE_STROKE_BENCHMARK_CAPTURE(path, Square, Bevel, false, uvname, uvtype); \
MAKE_STROKE_BENCHMARK_CAPTURE(path, Round, Bevel, false, uvname, uvtype)

#define MAKE_STROKE_BENCHMARK_CAPTURE_UVS(path) \
MAKE_STROKE_BENCHMARK_CAPTURE_CAPS_JOINS(path, ); \
MAKE_STROKE_BENCHMARK_CAPTURE_CAPS_JOINS(path, _UV)
#define MAKE_STROKE_BENCHMARK_CAPTURE_UVS(path) \
MAKE_STROKE_BENCHMARK_CAPTURE_CAPS_JOINS(path, , UVMode::kNoUV); \
MAKE_STROKE_BENCHMARK_CAPTURE_CAPS_JOINS(path, _uv, UVMode::kUVRectTx); \
MAKE_STROKE_BENCHMARK_CAPTURE_CAPS_JOINS(path, _uvNoTx, UVMode::kUVRect)

BENCHMARK_CAPTURE(BM_Polyline, cubic_polyline, CreateCubic(true), false);
BENCHMARK_CAPTURE(BM_Polyline, cubic_polyline_tess, CreateCubic(true), true);
Expand All @@ -201,8 +206,9 @@ BENCHMARK_CAPTURE(BM_Polyline,
MAKE_STROKE_BENCHMARK_CAPTURE_UVS(Quadratic);

BENCHMARK_CAPTURE(BM_Convex, rrect_convex, CreateRRect(), true);
MAKE_STROKE_BENCHMARK_CAPTURE(RRect, Butt, Bevel, );
MAKE_STROKE_BENCHMARK_CAPTURE_UV(RRect, Butt, Bevel, );
MAKE_STROKE_BENCHMARK_CAPTURE(RRect, Butt, Bevel, , , UVMode::kNoUV);
MAKE_STROKE_BENCHMARK_CAPTURE(RRect, Butt, Bevel, , _uv, UVMode::kUVRectTx);
MAKE_STROKE_BENCHMARK_CAPTURE(RRect, Butt, Bevel, , _uvNoTx, UVMode::kUVRect);

namespace {

Expand Down