textures Questions
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I am creating a sprite engine that uses the concept of "graphics banks" to speed up rendering using batches. I was wondering if anyone knows if 1024x1024 textures are widely supported enough these ...
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I'm trying to make a 3D plot that consists of a series of 2D planes through an RGB stack, like this:
I know that it's possible to do this using mpl_toolkits.mplot3d by passing the x, y, z coordi...
Correspond asked 13/10, 2013 at 20:27
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In my attempt to understand texture coordinates in WPF 3D, I started off with a very simple example: a single triangle, a linear-gradient brush, and texture coordinates, as follows:
<Viewport3...
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I was wondering if the quality of texture mipmaps would be better if I used my own algorithm for pre-generating them, instead of the built-in automatic one. I'd probably use a slow but pretty algor...
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It seems to be difficult to find information about how to access depth and stencil buffers in shaders of successive render passes.
In a first render pass, I do not only render color and depth info...
Lorenza asked 3/10, 2013 at 21:31
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I have a texture-heavy OpenGL game that I'd like to tune based on how much RAM the device has. The highest resolution textures I have work fine on an iPhone 4 or iPad2, but earlier devices crash in...
Blighter asked 7/11, 2011 at 4:9
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My question is quite trivial I believe, I'm using OpenGL ES 2.0 to draw a simple 2D scene.
I have a background texture that stretches the whole screen and another texture of a flower (or shel I say...
Gammer asked 30/9, 2013 at 9:2
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Because I am no expert, please dont consider this question silly.
I have read several tutorials where texture parameters were set using glTexParameter. I am talking about GL_TEXTURE_MIN_FILTER, GL_...
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I recently got three.js example from the official site working with my collada objects (.dae) using the ColladaLoader.js.
Now my question is, how do i change the loaded collada object color attrib...
Trot asked 22/2, 2013 at 13:26
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I haven't been able to find any reference except for:
http://answers.opencv.org/question/9512/how-to-bind-gpumat-to-texture/
which discusses a CUDA approach.
Ideally I'd like to update an OpenGL...
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i am having trouble with the following:
I need to render a texture on top of another texture and then render that main texture.
For example I have the blue rectangle texture, and I want to draw re...
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I am rendering SVG using Cairo. The Cairo output format is ARGB. Then I put rendered image in a SDL_Surface so I can use it as a openGL texture.
The rendered image was looking just fine when I use...
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In OpenGL 2.1+ do we need to call glEnable(GL_TEXTURE) before using textures? And if we got trouble with texture, what is may be cause?
Update:
I'm using OpenGL 2.1 for Desktop and my step is:
...
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I'm using three.js to create a minecraft texture editor, similar to this. I'm just trying to get the basic click-and-paint functionality down, but I can't seem to figure it out. I currently have te...
Thar asked 26/8, 2013 at 4:4
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My OpenGL app uses OpenGL to render a texture in full screen and updates part of it at regular intervals. So far, I've been using glTexImage2D to push my initial texture and then I update the dirty...
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I can get a shader to read in two textures but for output it seems there is only gl_FragColor. Is there any way to render to two different textures from one shader? I am using Processing and the GL...
Chook asked 13/11, 2010 at 4:22
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this is a weird one.
I have a basic application (dashboard, ...) and a GLSurfaceview in which I draw 3D objects and textures. All runs pretty but when I go back in other activities, hmm well a scr...
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I'm looking for the best way of changing the texture of all the gameobjects on scene. I need a way that affects the performance as little as possible. One of the possibilities I've considered is to...
Illuminism asked 14/8, 2013 at 9:30
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I have an Android app that decodes video into yuv420p format then renders video frames using OpenGLES.
I use glTexSubImage2D() to upload y/u/v buffer to GPU then do a YUV2RGB conversion using shade...
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ARB_texture_storage was introduced into OpenGL 4.2 core.
Can you explain what immutability for texture objects means?
Why it is better from the previous texture usage and what are disadvantages ...
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I am very new to three.js. In my project you can move through a series of planes with cross section images of an object. The problem is that the material doesn't load right away and moving up and d...
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I am trying to create a blank (white with no alpha) texture where I can load other textures and write part of them. I tried just having to get a portion of the texture, and using glTexSubImage2D to...
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I have several objects with different textures for different states, so I am using a TextureAtlas made with TexturePacker, and resizing the TextureRegion where I need it. I have to resize because n...
Cheesy asked 15/7, 2013 at 22:21
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PRoblem: i'm trying to create (just for fun) a simple poker card (with a card back and a card front).
I have two different images, for back and front.
I easily created a Plane geometry with a singl...
Sibert asked 29/7, 2012 at 13:50
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