1.  Uniform 1.1.  Uniform变量 不是所有的变量都是跟顶点一一对应的,如变换矩阵,光源位置等. Uniform变量可以在任何类型的shader中使用,但只能作为输入值,不能在shader中给它赋值,只能在C/C++程序中指定. layout (location = 0) in vec3 VertexPosition; layout (location = 1) in vec3 VertexColor; out vec3 Color; uniform mat4 Rotatio…

1.  Shader起步 1.1.  可编程管线 仅考虑Vertex shader和fragment shader: 1.2.  Shader Object 在编译阶段生成,把shader源代码编译成Shader 对象. Shader对象分类 Vertex Shader Fragment Shader Geometry Shader Tess EvaluationShader Tess ControlShader API: glCreateShader glCompileShader glDel…

Shader和Program Program Link过后,Shader就可以从Program中Detach并删掉.这样是不是可以节省一点点显存呢? 链接到同一个program的vertex和fragment shader,如果有相同名字的uniform,那么uniform的地址是共享的,即是一个uniform. glBufferData和glBufferSubData的区别 glBufferData会重新分配内存 glBufferSubData不分配内存,覆盖以有的内存. GL_STATIC_…

OpenGL Shader in OpenCASCADE eryar@163.com Abstract. As implementation of one of the strategic steps in OpenCASCADE visualization component development road-map, support for GLSL shader programs has been added in OpenCASCADE Technology 6.7.0. Key Wor…

A Simple OpenGL Shader Example II eryar@163.com Abstract. The OpenGL Shading Language syntax comes from the C family of programming languages. Tokes, identifiers, semicolons, nesting with curly braces, control-flow, and many key words look like C. GL…

A Simple OpenGL Shader Example eryar@163.com Abstract. OpenGL Shading Language, the high-level programming language defined to allow application writers to write programs that execute on the programmable processors defined within OpenGL. Informally t…

Opengl shader程序,旗帜混合纹理加载,通过N张图片,能够组合出数百个:http://www.eyesourcecode.com/thread-39015-1-1.html 用GLSL做了一个可以描出物体的边的shader:http://www.eyesourcecode.com/thread-41503-1-1.html GLSL SHADER实现的机器人,手臂可以动:http://www.eyesourcecode.com/thread-21261-1-1.html 更多OpenG…

有小伙伴提出了这个问题.事实上GLProgramCocos2d-x引擎自带了.全然能够直接拿来用. 先上图吧. 使用opengl前后的对照: watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvamFja3lzdHVkaW8=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast" alt=""> 1.在cpp中使用openGL shad…

一.定义 定义时注意:xml元素是区分大小写的. <web-app></web-app> 这些必须小写 二.url-pattern 1)url-pattern 的值必须以/或者*.开头 <servlet> <servlet-name>TestName</servlet-name> <servlet-class>sedion.jeffli.servlet.AServlet</servlet-class> </servl…

Everyone wants to be successful. Today I would like to share three simple key points of success. Number one is: Know what you are doing. Number two is: Love what you are doing.Number three is: Believe what you are doing. If you follow these three key…