opengl-es

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How to fill each side of a cube with different textures on OpenGL ES 1.1?

Please, I need tutorials/code examples of how to fill each side of a cube with different textures on OpenGL ES 1.1[详细]

2023-04-12 20:10 分类：问答
how to draw image in opengl android

i have to draw bitmap in to the my live wallpaper using this code but image will not loaded its showing null pointer exception.[详细]

2023-04-12 18:50 分类：问答
How to set the OpenGL project matrix to get projection as described below?

I just want to mimic a perspective projection without using z coordinate (ie: Only using 2d environment).[详细]

2023-04-12 16:59 分类：问答
Android: The meaning of the codes returned by GLUtils.getype and getInternalFormat

Where are the meanings the codes returned by GLUtils.getype and getInternalFormat listed? Right now I am getting:[详细]

2023-04-12 15:11 分类：问答
OpenGL ES based graphing library for iPhone

I\'m trying to graph large amounts of data, say around a million data points in a line graph. I\'ve tried CorePlot, but it is somewhat lacking in speed. It couldn\'t even graph 30,000 points with any[详细]

2023-04-12 15:01 分类：问答
webgl: white border when using transparency (alpha)

When rendering textures that have an alpha-channel, a white border appears around the non-transparent part (the border seems to be the pixels that have an alpha > 0 and < 1):[详细]

2023-04-12 14:04 分类：问答
Managing big images in a game

I\'m developing a side scrolling shooter, and as background I have a setof images (about 15 images in 1024x1024 in png). and with the sprites of the enemies, and shots, I\'m starting to have some memo[详细]

2023-04-12 13:05 分类：问答
On-demand OpenGL ES rendering using GLKit

I am looking into converting my OpenGL rendering code to take advantage of a few features of GLKit (namely the asynchronous texture loading and the automation provided by GLKView/Controller). However,[详细]

2023-04-12 11:21 分类：问答
Can you use glVertexAttribPointer to assign a smaller vector to a larger one?

From section 5.8 of The OpenGL® ES Shading Language (v1.00, r17) [PDF] (emphasis mine): The assignment开发者_运维技巧 operator stores the value of the rvalue-expression into the l-value and returns[详细]

2023-04-12 10:49 分类：问答
Using Texture as label in WhirlyGlobe

WhirlyGlobe is a very useful framework and I would like to display Country Flags i开发者_运维技巧nstead of names for each countries.[详细]

2023-04-12 08:29 分类：问答