解 释一下什么是 GL_STATIC_DRAW。GL_STATIC_DRAW 意思就是程序暗示这个 buffer object 只会被赋值一次,然后在 GPU 中可能会多次读取调用。除了 GL_STATIC_DRAW 之外,还有两种 usage,分别是 GL_DYNAMIC_DRAW,意思就是程序暗示这个 buffer object 可能会被赋值多次,且在 GPU 中可能会多次读取调用。 以及 GL_STR...
glBufferData(GL_ARRAY_BUFFER,sizeof(vertex_positions),vertex_positions,GL_STATIC_DRAW); glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, NULL); glEnableVertexAttribArray(0); glGenBuffers(1, &index_buffer); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, index_buffer); glBufferData(GL_ELEMENT_ARRAY_...
glBufferData(GL_ARRAY_BUFFER,sizeof(vertices), vertices, GL_STATIC_DRAW);//设置顶点属性指针glVertexAttribPointer(0,3, GL_FLOAT, GL_FALSE,3*sizeof(float), (void*)0); glEnableVertexAttribArray(0);//渲染时,使用着色器程序glUseProgram(shaderProgram);//绘制物体someOpenGLFunctionThatDrawsOurTriangle...
glBufferData(GL_ELEMENT_ARRAY_BUFFER,sizeof(indices), indices, GL_STATIC_DRAW);//顶点坐标属性glVertexAttribPointer(0,3, GL_FLOAT, GL_FALSE,8*sizeof(float), (void*)0); glEnableVertexAttribArray(0);//顶点颜色属性glVertexAttribPointer(1,3, GL_FLOAT, GL_FALSE,8*sizeof(float), (void*)(...
glBindBuffer:绑定缓冲,类型为GL_ARRAY_BUFFER glBufferData:传输数据 结合一段实际创建的代码可以更好的理解这个过程: 代码语言:javascript 复制 // Create VBO, VAOglGenBuffers(1,&VBO);glBindBuffer(GL_ARRAY_BUFFER,VBO);glBufferData(GL_ARRAY_BUFFER,sizeof(vertices),vertices,GL_STATIC_DRAW); ...
[Android.Runtime.Register("GL_STATIC_DRAW")] public const int GlStaticDraw = 35044; Field Value Value = 35044 Int32 Attributes RegisterAttribute Remarks Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms ...
staticconststruct { GLuintnum_groups_x; GLuintnum_groups_y; GLuintnum_groups_z; }dispatch_params={16,16,1}; glBufferData(GL_DISPACH_INDIRECT_BUFFER, sizeof(dispatch_params), &dispatch_params, GL_STATIC_DRAW); // 使用缓存对象中填充的 ...
1999年，当Marc Benioff带领着其为数不多的几位员工高举“NO Software”的示威标牌出现在软件服务商...
glUniformMatrix4fv(projectionLoc, 1, GL_FALSE, &projection[0].x); 标准的3D状态控制编程例子 因为手工写坐标变换矩阵太麻烦,所以这里直接使用GLM库完成各种花式矩阵运算。 common.h文件 #ifndef COMMON_H #define COMMON_H #include <stdio.h> #include <stdlib.h> ...
glBindVertexArray(planeVAO); glBindBuffer(GL_ARRAY_BUFFER,planeVBO); glBufferData(GL_ARRAY_BUFFER,sizeof(planeVertices),&planeVertices,GL_STATIC_DRAW); glEnableVertexAttribArray(0); glVertexAttribPointer(0,3,GL_FLOAT,GL_FALSE,8*sizeof(GLfloat), (GLvoid*)0); ...