texture-mapping

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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
Imitate Polygon Stipple with OpenGL ES on iOS

I want to fill a concave polygon with a simple repeating pattern. I can already draw the polygon properly, unfortunately I am having problems with filling it. In OpenGL I could do this easily with POL[详细]

2023-04-11 14:02 分类：问答
texture mapping using bilinear interpolation

I have been trying to achieve texture mapping using the bilinear interpolation method.I have been trying to rasterize a triangle thus i first find the barycentric weights and then try to i开发者_如何学[详细]

2023-04-04 13:34 分类：问答
3ds max fractures in baked textures

I\'m not sure if stackoverflow is a right place to ask these kinds of questions(I have only asked development questions here) . I need to import a 3d model to my flash program and I need to bake the t[详细]

2023-04-01 14:32 分类：问答
How much more efficient are power-of-two textures?

I am creating an OpenGL video player using Ffmpeg and all my videos aren\'t power of 2 (as they are normal video resolutions). It runs at fine fps with my nvidia card but I\'ve found that it won\'t ru[详细]

2023-03-31 14:35 分类：问答
iPhone OpenGL ES background texture problems

I am trying to set a .png file as my background in OpenGL, with the hopes of drawing more objects on top of it. I have an image that is a 320x480 RGB image. I setup my vertices, as follows:[详细]

2023-03-22 15:45 分类：问答
How to draw plain colored surfaces in OpenGL ES?

I have a curved surface defined by a number of triangular faces. The entire surface has single color.[详细]

2023-03-22 12:57 分类：问答
OpenGL ES 1.1 Texel to Pixel mapping using texture coordinates not working, what am I doing wrong?

EDIT OK, this question is old. What I found out after learning some OpenGL ES and testing is my iPhone 4 was actually using double the resolution image. If I remember correctly, I had to set my Ope[详细]

2023-03-22 11:28 分类：问答
CUDA texture memory space

When I bind an array to a texture in CUDA, is that array copy to a texture space? or, is that array reference as a texture?[详细]

2023-03-19 20:54 分类：问答
Texture coordinates for dynamic terrain - OpenGL

Can someone please describe a common technique used to calculate texture coordinates for a terrain that dynamically changes every frame? I have a perlin noise function implemented in a vertex shader a[详细]

2023-03-17 20:02 分类：问答