swdever

摘要： Problem: A error occurred when I defined "NormalMapping normal"( used for manaing relative shader ) in my OpenGLApp class. The compiler return error message "access violation at location 00000000 ".Analysis: The error message seems to indicate that I had invoked some gl-function 阅读全文

摘要： These days texture mapping hardware is really cheap, so we use texture maps a lot. One of the more interesting aspects of texture mapping is the space that texture coordinates live in. Most of us like to think of texture space as a simple 2D affine plane. In most cases this is perfectly acceptable.. 阅读全文

摘要： (quote from "Mathematics for3D Game Programmingand Computer GraphicsThird Edition") As the figure above showing,correct interpolation across the face of a triangle isnot linear since equally spaced steps taken on the projection plane correspond tolarger steps taken on the face of a triangl 阅读全文

摘要： glTexImage2D: Access Violate when invoke glTexImage2D. This problem may happen when specify a color system which is not correspond to the exact color system.Eg. The texture uploaded is store in RGB color system,but when invoke glTexImage2D， I specify that the texture is in RGBA color system.Then, a. 阅读全文