I am reading an awesome OpenGL tutorial. It\'s really great, trust me. The topic I am currently at is Z-buffer. Aside from explaining what\'s it all about, the author mentions that we can perform cust
I\'m quite a bit confused about framebuffers. What I wan开发者_运维百科t to do is using a framebuffer with multiple textures attached, fill every texture and then use a shader to combine (blend) all t
I have a very simple shader (just sets a background square to green) and this works perfectly. I recently added in some quads that have a texture applied to them. This texture has 开发者_运维技巧some
I encountered some strange problem with patch ploting in Matlab 2010b with windows xp. When I try to plot following patch, I get a patch which is not all-filled, but has some blank parts.
So I\'m trying to learn to write shaders and incorporate them into my OpenGL program (I use SFML 1.6 to create a valid OpenGL environment rather than mucking around with GLUT; my IDE is Codeblocks; my
As I know the texture is just an image (absolutely 2D), so why d开发者_StackOverflow中文版o we have GL_TEXTURE_3D? What does it mean? and usage?A texture is not absolutely 2d. Most of the time it is 2
I\'m programming a nice little game that uses shader generated simplex noise for displaying on the fly computed random terrain.
I\'m loading raw texture (with alpha channel) and displaying it in openGL everything is fine and texture displayed, but color is little bit darker than original. I already tried to turn of lighting, b
I am trying to update a small square section in a large rectangular texture. I\'ve tried using glTexSubImage2D with the tar开发者_如何学Pythonget set to GL_TEXTURE_RECTANGLE_ARB, but I\'m running int
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