shensunbo Blog

「离开世界之前一切都是过程」

opencv build

build linux version build_ti_linux.sh 1 2 3 4 5 6 7 8 9 10 11 #!/bin/bash source /opt/ospas120-2023.10/environment-setup-aarch64-oe-linux rm -rf build_ti_linux mkdir build_ti_linux cd build_ti_li...

Posted by shensunbo on August 7, 2025

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renderer 常见问题

纹理注意在着色器中区分纹理是单通道还是多通道, 对于ao，specular，Metallic, Roughness 这些贴图，一般是单通道的，如果把单通道纹理当做多通道纹理使用，显示出来的结果会偏红色把天空盒贴图作为环境光使用时，求反射reflect(-viewDir, a_normal)时注意view的方向是从摄像机指向物体表面的注意立方图纹理和2D纹理不要绑定同一个纹...

Posted by shensunbo on August 5, 2025

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opengl basic

basic pipeline VAO 和 VBO VBO 在GPU中存贮顶点数据等 VAO 描述VBO的属性，如何访问VBO中的数据 EBO 索引缓冲对象存储 VBO 中顶点的索引, 减少了内存占用和数据传输量 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30...

Posted by shensunbo on August 4, 2025

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assimp

下载对于x86版本，可以直接下载release的版本使用问题 aiProcess_PreTransformVertices flag cause meshes to merge, need manually perform coordinate transformation aiProcess_ValidateDataStructure will automatica...

Posted by shensunbo on July 25, 2025

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bazel learn

bazel 基本规则 BUILD 文件： 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 // 编译依赖项 cc_library( name = "test"...

Posted by shensunbo on July 19, 2025

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将qnx编译方式由qcc修改为gcc

qnx.nto.toolchain.cmake, 在这个文件中 1 2 3 set(CMAKE_C_COMPILER ${QNX_HOST}/usr/bin/qcc) set(CMAKE_CXX_COMPILER ${QNX_HOST}/usr/bin/q++) set(CMAKE_ASM_COMPILER ${QNX_HOST}/usr/bin/qcc) c...

Posted by shensunbo on July 16, 2025

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blender 注意事项

blender在导出fbx的时候，会自动将属性一模一样的材质合并

Posted by shensunbo on June 9, 2025

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gcov todo

// GCOVR_EXCL_LINE //GCOVR_EXCL_START //GCOVR_EXCL_STOP

Posted by shensunbo on May 15, 2025

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english corner organized by me record

20250411 travel experiences 20250418 the book you want to recommend 20250425 good and bad feelings this week

Posted by shensunbo on April 23, 2025

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delay Record

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69...

Posted by shensunbo on March 18, 2025

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