opengl

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OpenGL rotation and scaling

Does rotation always occur about the o开发者_JAVA技巧rigin (0,0,0)? Does translation always occur relative to previous translation?[详细]

2023-04-10 06:32 分类：问答
Voxels... Honestly, I need to know where to begin

Okay, i understand that voxels are just basically a volumetric version of a pixel. After that, I have no idea what to even look for.[详细]

2023-04-10 03:52 分类：问答
How to get total memory in bytes used by OpenGL in C++?

How to get total memory in bytes used by OpenGL in C++? I\'m building an OpenGL application and 开发者_开发百科the total memory used seems to be rising, I can get the info about the total memory use[详细]

2023-04-10 03:51 分类：问答
JOGL Textures are semi-transparent

Sorry if this is a simple fix, but I can\'t seem to find the solution. I\'ve created a box that is textured by making four quads. However, when I rotate the box around to see how it rendered, the tex[详细]

2023-04-10 03:42 分类：问答
Do GL_LINES create triangles or use their own processing?

I\'ve been curious about GL_LINES (and GL_LINE_LOOP and STRIP) for some time, and i\'m wondering how the GL imp开发者_运维技巧lementations typically handle them. Do they extrapolate a quad from the en[详细]

2023-04-10 03:34 分类：问答
glVertexAttribPointer needed everytime glBindBuffer is called?

In OpenGL (OpenGL ES 2.0 in particular), is glVertexAttribPointer required to be called each time a new VBO is bound?[详细]

2023-04-10 01:40 分类：问答
OpenGl - Vertex Buffer Object Is Not Drawn To Screen

I am trying to go from displaying my GL_QUADS with glBegin() to displaying them with a VBO. Unfortunately after my change the program does not display the QUADS anymore. All I see is a black screen. T[详细]

2023-04-10 01:24 分类：问答
caputre OpenGL window in X11 with fast framerate - possible?

I have an OpenGL application with the size of 800x600 running on my linux machine (X11). The content of this application (the rendered image) s开发者_如何学编程hould be exported via network to another[详细]

2023-04-10 00:17 分类：问答
How to pause an animation with OpenGL / glut

To achieve an animation, i am just redrawing things on a loop. However, I need to be able to pause when a key is pressed. I know开发者_Go百科 the way i\'m doing it now its wrong because it eats all o[详细]

2023-04-09 21:50 分类：问答
OpenGL - Not Draw Completely Occluded Polygons?

Let\'s say we have a set of polygons, can change the camera view angle and can translate the camera in the 3D environment. From certain view angle开发者_高级运维s some of these polygons are completely[详细]

2023-04-09 18:22 分类：问答