SepComet
d92b890528
板端测试发现轻量 Demo 在未优化 ARM 构建下只有十几帧，但 Release 构建后可达到约 76 FPS。问题主要来自单配置 CMake 构建未默认启用 Release，以及 fb0 提交路径逐像素通用转换成本过高。 本次变更将单配置生成器默认构建类型设为 Release，避免 ARM/fb0 性能测试误用未优化构建；同时为 FBDisplay 增加 RGB565、ARGB8888/XRGB8888、RGBA8888 连续内存等常见格式快速路径。Demo 临时移除旋转正方体，保留 2D sprite、tilemap、FPS 和 Frame/Present 耗时显示，用于定位板端 framebuffer 提交瓶颈。 Constraint: IMX6U framebuffer 性能结论必须基于 Release 构建 Constraint: 核心代码保持 C++11 兼容，不引入新依赖 Rejected: 直接判断板子性能不足 | 未优化构建会严重放大逐像素循环成本 Rejected: 继续优化 3D 正方体路径 | 当前瓶颈已由 Frame/Present 计时证明主要在 fb0 present Confidence: high Scope-risk: moderate Directive: 后续板端性能测试先确认 CMAKE_BUILD_TYPE=Release，再分析算法瓶颈 Directive: 2D-only 场景不要使用会清 depth buffer 的 DrawContext::clear() Tested: cmake --build build-win --config Release Tested: wsl bash -lc "cd /mnt/d/source/IMX6U-Game && cmake --build build-arm-fb" Not-tested: 实机 framebuffer 像素格式以外的非常见 fb0 layout
67 lines
811 B
Plaintext
67 lines
811 B
Plaintext
# Visual Studio user-specific files
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*.user
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*.suo
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*.userosscache
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*.sln.docstates
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# Visual Studio build artifacts
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.vs/
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[Dd]ebug/
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[Rr]elease/
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[Aa][Rr][Mm]/
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[Aa][Rr][Mm]64/
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out/
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bin/
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obj/
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# MSVC intermediate and debug files
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*.obj
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*.ipdb
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*.iobj
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*.ilk
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*.pdb
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*.idb
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*.tlog
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*.lastbuildstate
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*.recipe
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*.log
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# CMake / generated project files
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build/
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Build/
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CMakeFiles/
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CMakeCache.txt
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cmake-build-*/
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compile_commands.json
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CTestTestfile.cmake
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CPackConfig.cmake
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# Test and coverage output
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*.gcno
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*.gcda
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*.profraw
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*.profdata
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*.coverage
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# OS / editor noise
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.DS_Store
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Thumbs.db
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# AI
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.claude
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.codex
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CLAUDE.md
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AGENTS.md
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.omc
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.omx
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build-win
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build-linux
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build-arm-fb
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build-arm-sdl
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.idea
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assets/test
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gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf.tar.xz |