Font texture atlas benchmark

#include "../Common/TestsShell.h" #include #include #include #include #include #include #include using namespace ankerl; using namespace Rml; // Start of the "CJK unified ideographs" Unicode block. static constexpr int rml_font_texture_atlas_start_codepoint = 0x4E00; static const String rml_font_texture_atlas_document = R"( Font texture atlas benchmark )"; TEST_CASE("font_texture_atlas") { Context* context = TestsShell::GetContext(); REQUIRE(context); LoadFontFace("assets/NotoSansJP-Regular.ttf"); nanobench::Bench bench; bench.title("Font texture atlas"); bench.relative(true); for (const int font_size : {12, 16, 24, 48, 96}) { const String rml_document = CreateString(rml_font_texture_atlas_document.c_str(), font_size); ElementDocument *const document = context->LoadDocumentFromMemory(rml_document); REQUIRE(document); Element *const body = document->GetElementById("body"); REQUIRE(body); document->Show(); context->Update(); context->Render(); for (const int glyph_count : {10, 100, 1000}) { String benchmark_name; FormatString(benchmark_name, "Size %d with %d glyphs", font_size, glyph_count); bench.run(benchmark_name.c_str(), [&]() { ReleaseFontResources(); for (int i = 0; i < glyph_count; ++i) { body->SetInnerRML(StringUtilities::ToUTF8(static_cast( rml_font_texture_atlas_start_codepoint + i ))); context->Update(); context->Render(); } }); } document->Close(); } TestsShell::ShutdownShell(); }