textures Questions
2
Solved
I'm trying to load an image with DevIL and then create a texture. I have a class named Texture, and I'm doing all this stuff in the constructor. A valid context has been created. I'm getting an acc...
Civic asked 27/10, 2014 at 14:23
4
Solved
I'm fairly new to OpenGL so maybe the answer will be obvious. I am currently trying to make a blue circle using GL_TRIANGLE_FAN in C++. My problem is that when I set the color using glColor4f, it s...
1
Solved
3
Solved
There are quite a few stackoverflow threads asking why a kernel using textures is not faster than one using global memory access.
The answers and comments seem always a little bit esoteric to me.
...
1
I have a problem with my fragment shader.
I want to get the size of a texture (which is loaded from an image).
I know that it is possible to use textureSize(sampler) to get an ivec2 which contains...
1
Solved
I'm trying use SDL2 to load a texture for OpenGL rendering of Wavefront Objects (currently I'm testing with the fixed pipeline, but I eventually plan to move to shaders). The problem is that the lo...
3
Solved
Nevermind that I'm the one who created the texture in the first place and I should know perfectly well how many mipmaps I loaded/generated for it. I'm doing this for a unit test. There doesn't seem...
1
Solved
I have an array of Sprite objects in Unity. Their size vary depending on the image loaded.
I want to combine them side by side like a tiled map into one image.
I want them to be layout like your ar...
Haberdashery asked 28/8, 2014 at 9:37
2
Solved
I want to dump raw texture data to disk (to read back later), and I'm not sure about glReadPixel will read from the currently bound texture.
How can I read the buffer from my texture?
Publication asked 8/8, 2012 at 11:20
1
Solved
How do I set the texture of a SCNText object? This is what I have and nothing changes in the appearance:
// myNode is a working SCNText element
let mat = SCNMaterial()
met.diffuse.contents = UII...
3
Solved
I am trying to scale an SKSpriteNode object without smoothing/anti-aliasing (I'm using pixel-art so it looks better pixelated).
Is there a property I need to set to do this? This is the code I am ...
Sycamore asked 5/10, 2013 at 1:22
4
When I try to use mipmap filtering in LibGDX, none of the images appear.
I'm new to LibGDX, and I have a simple 2d scene with three rotating, scaled circles. In order to anti-alias them, I wanted...
1
Solved
Note: I want to avoid modifying the model in the javascript code and do all the model design inside Blender.
Note #2: While this question is long, it is actually a basic problem (title says it all...
1
Solved
Im trying to rotate textures when I draw them. I figured it would make more sense to do this than to rotate the images 90 degrees in paint.net and save them in different files. I looked thought the...
2
Solved
How do I determine what mipmap level was used when sampling a texture in a GLSL fragment shader?
I understand that I can manually sample a particular mipmap level of a texture using the textureLod...
Granville asked 24/6, 2014 at 13:47
4
Solved
I'm making a 2D sidescrolling space shooter-type game, where I need a background that can be scrolled infintely (it is tiled or wrapped repeatedly). I'd also like to implement parallax scrolling, s...
1
Solved
I kinda sorta get a grip what texture arrays are about, but nowhere on the internet I can find info about what they actually are. Are they like one big texture atlas (singular continuous block of m...
2
Solved
What is the best method to copy pixels from texture to texture?
I've found some ways to accomplish this.
For instance, there's a method glCopyImageSubData() but my target version is OpenGL 2.1, so...
Address asked 1/6, 2014 at 14:43
2
Solved
I'm trying to show a texture in Qt with opengl but it just doesn't show the texture when i run.
I did some research and found out I needed to make the height and width of the texture as a power o...
3
Solved
I’m converting a game from XNA to iOS with Monogame.
In the code snippet below, smallDeform is a Texture2D on which I call the GetData method.
smallDeform = Game.Content.Load<Texture2D>("Ter...
3
Solved
I would like to know how can I create a Texture3D from a Texture2D.
I've found some good examples : Unity 4 - 3D Textures (Volumes) or Unity - 3D Textures or Color Correction Lookup Texture
int...
Selective asked 10/5, 2014 at 14:24
1
Solved
I am trying to implement a simple projective texture mapping approach by using shaders in OpenGL 3+. While there are some examples on the web I am having trouble creating a working example with sha...
1
Solved
I'm trying to apply a texture to only one side of a Box Object.
Basic code:
BoxGeo = new THREE.BoxGeometry(50, 50, 125);
BoxMat = new THREE.MeshLambertMaterial({ color: 0xF0F0F0 });
BoxObj = new ...
1
Solved
I've been trying to add SSAO (based on the tutorial here: http://john-chapman-graphics.blogspot.co.nz/2013/01/ssao-tutorial.html) to a project of mine and I've gotten stuck on rendering the depth c...
Gamo asked 20/4, 2014 at 6:10
4
Solved
I need some help finding information (or an example) of how to use texture compression for Android. I have a lot of PNG's right now and I need to reduce the amount of memory they take up. I was loo...
© 2022 - 2024 — McMap. All rights reserved.