A bitmap (raster image) used in a texture mapping process.

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3
votes
1answer
151 views

Scaling and rotating texture onto another texture by raw buffer data

I've been messing with C++ AMP and OGRE in attempt to make writing to/altering textures to my liking easier on my behalf. In this I've been trying to draw a texture onto my "dynamic" texture with ...
1
vote
1answer
124 views

Does iOS support BC4 compressed texture?

I've been designing a new OpenGL image algorithm using BC4 textures at its core. It works well accross Windows and Mac, my main targets up to now. But today, the customer added a new requirement : it ...
1
vote
2answers
523 views

Dynamic Textures

I am pretty new to this 3D designing and animating, and as an indie developer I need to do everything on my own I have created this simple box character And I want to texture it, have looked around ...
0
votes
1answer
326 views

Stars coming out of screen [closed]

I am pretty new to Graphics Programming. I am currently using OpenGL. I have got some hands-on in last few days. I have knowledge of Texture Mapping, Cubemap, Multitexturing. But somehow I am not able ...
0
votes
1answer
657 views

Using compressed(ETC1) textures in LibGDX

I use standard android tool for compressing PNG texture and archiving it with gzip: /android-sdks/tools/etc1tool texture.png --encodeNoHeader gzip texture.pkm Then I try to load it: FileHandle ...
5
votes
1answer
500 views

Is a 10 meg 2048x2048 bitmap too big a size texture to use in an OpenGL game?

This is a speed question, I have a texture, which is 2048 per 2048, the texture is designed to run in big resolutions (1920x1080 for example). The problem is, that the texture have a size of 10MB in ...
5
votes
2answers
3k views

How can I prevent seams from showing up on objects using lower mipmap levels?

Disclaimer: kindly right click on the images and open them separately so that they're at full size, as there are fine details which don't show up otherwise. Thank you. I made a simple Blender model, ...
0
votes
1answer
239 views

problem adding bumpmap to textured gluSphere in JOGL

I currently have one texture on a gluSphere that represents the Earth being displayed perfectly, but having trouble figuring out how to implement a bumpmap as well. The bumpmap resides in ...
9
votes
1answer
4k views

Max texture size Android : which settings for 2048x2048?

I want to use a texture atlas of 2048 x 2048 in my game, and I would like to warn the users with a "too low" device to not download the game. With a texture atlas of this size, what requirements ...
1
vote
1answer
323 views

SDL_Image and typical SDL BMP loading fails completely

been messing with OpenGL and SDL for a pair of weeks. The thing is quite weird. I have been loading a texture from a BMP and using a really easy shader to make it work, and so far it has worked very ...
1
vote
2answers
800 views

Mobile game textures sizes

I am developing a Windows Phone 7 game using XNA 4.0 which I plan to later port to iOS and android using Monotouch and Monodroid. My question is how to determine what texture size should I include? ...
1
vote
2answers
117 views

Textures loading too large on smaller monitors

I have an XNA game, and when i run the game the textures load all good on my computer and on my tv and they're all bring drawn in the right position. But on my laptop, which screen is smaller then ...
0
votes
1answer
229 views

Devices or Smartphones That Can Run and Displayed Images Properly While Power of 2 Code is Disabled

Before making game apps, I want to have any certain smartphone device brands that runs on OpenGL. I have to make a code for images that doesn't need to required power of 2 images so that I can resize ...
0
votes
2answers
209 views

Better quality texture when zooming

Is there any way to have better quality textures ? I thought that creating huge textures will improve their quality in game, that's why I draw textures with 0.25f or 0.5f scale. I understand that ...
3
votes
2answers
523 views

What causes polygonal twitching in older games?

I'd like this answer large part to curiosity and I'd like to recreate it with our modern computers somehow. By old games I'm referring to ps1 games. My specific example would be Megaman Legends I've ...
1
vote
3answers
2k views

XNA SpriteBatch.Draw with rotation, scaling and origin?

I use a 1x1 pixel 2d texture as source for SpriteBatch.Draw. The texture is scaled and rotated around an origin. The left image is only scaling. The right one scaling + rotation around the origin at ...
-1
votes
1answer
149 views

How can I solve this animation [duplicate]

At the moment I have a simple static texture. Now I want to animate my sprite. The texture is a simple human. When the user press the enter button, the human gets into state2. This is the standart ...
3
votes
1answer
514 views

Skysphere to Skybox Texture Conversion

I am working on a hobby project and implemented a skybox, no big deal. Now I bought (licensed) a few really nice sky textures. Unfortunately the textures are projected for a skysphere. I could ...
-1
votes
1answer
141 views

Animation: mid-state

At the moment I have a simple static texture. Now I want to animate my sprite. The texture is a simple human. When the user press the enter button, the human gets into state2. This is the standart ...
0
votes
1answer
412 views

How to scale a texture in OpenGL/LWJGL?

How would I take a texture and render it to a specific size? The texture I'm rendering has a 1:1 ratio so I want to be able to render the whole image like if the window is wide then put black outlines ...
-2
votes
3answers
860 views

Why use textures that are Power of Two? [duplicate]

Possible Duplicate: Why are textures always square powers of two? What if they aren’t? I am using C# and XNA (also MonoGame for other platforms than Windows) to create a game in 2D. ...
2
votes
2answers
154 views

Create a variety a sprites from a single image in XNA?

I want to be able to take a single image and cut them up into a lot of images to make the sprites. How would I do that in XNA since I only know how to load the texture then use it without changing it? ...
1
vote
1answer
2k views

Repeat texture in a scrolling game

The bottom region of the screen is filled by a repeated texture: grassTexture = new Texture(Gdx.files.internal("images/grass.png")); grassTexture.setWrap(TextureWrap.Repeat, TextureWrap.Repeat); ...
2
votes
1answer
113 views

How to create 2D textures from footage

I am new to game development but I heard, that already in the 80s with Prince of Persia, indie developers where capable to create textures from footage. I am developing a game and so far I get an ...
2
votes
1answer
495 views

XNA Textures with background color

I am fairly new to XNA and I have questions in regards to textures. Most of my of textures have a background color along with the overall image (white, black, or whatever). This is quite ugly as the ...
1
vote
1answer
740 views

Initializing a blank texture in OpenGL without artifacts

I'm generating a texture atlas in OpenGL, where I want to create a blank texture and copy my sprites to it. The texture is generated like this: glGenTextures(1, &texture); ...
9
votes
2answers
1k views

Why are some games using some dithering pattern instead of traditional alpha for transparency?

Recently, I have seen some 3D games (eg: GTA IV) to use some kind of ordered dithering to simulate transparency / alpha. The polygons are not transparent as usual, but instead render a dithering ...
3
votes
2answers
518 views

How to use images/text/etc. in XNA without Content Pipeline?

I'm currently writing a program in C# with the XNA framework. It is absolutely necessary for the game's images and text assets to be visible by the end user in the form of PNG files, so I can't use ...
4
votes
1answer
939 views

How to load a png file without alpha premultiplying in ios?

I am making a game in which I use the alpha value, in some cases for transparency, in others for occlusion, and for HDR in others. I'm loading the images like this (this is MonoTouch, but objective-c ...
4
votes
1answer
510 views

Any drawback to using rectangular textures over square textures in OpenGL?

I'm thinking about texture atlas generation where I'd have to choose the dimensions of my atlas, constrained both by my sprites and by the maximum texture size of the current platform. Given that, is ...
0
votes
1answer
439 views

Cocos2d patterns for simple texture management

I'd like to simplify the way I preload image resources in my Cocos2d based iOS apps. I've created a small object the just wraps a few of CCTextureCache's methods. It looks like this: @interface ...
2
votes
0answers
322 views

glFramebufferTexture2D gives corruption with cube map textures

I am using glFramebufferTexture2D with cube map textures but it gives corruption in texture. draw_cube() function works perfectly when i draw that on default framebuffer. GLenum ...
3
votes
1answer
199 views

Texture prefetching in GLSL

I have a fragment shader which needs lots of semi-random access to 32x32 texture patch. Fortunately, the patch is constant for each poly, so there should be no issue storing the whole thing to the ...
0
votes
0answers
11 views

Show 3d object on device live camera in Unity3d for iOS [duplicate]

Possible Duplicate: How to add render able Texture in Unity 3d for iOS How render a 3d or 2d(.jpg or .png )object at device live camera in Unity3d, and this 3d object shouldn't stuck with ...
0
votes
0answers
287 views

How to add render able Texture in Unity 3d for iOS

I want to render an image on texture which should be stuck at one point, not stuck with Camera. I don't know how to accomplish this task because I started unity a week ago but I want to do this task ...
20
votes
4answers
10k views

How to avoid texture bleeding in a texture atlas?

In my game there is a Minecraft-like terrain made out of cubes. I generate a vertex buffer from the voxel data and use a texture atlas for looks of different blocks: The problem is that the texture ...
0
votes
1answer
530 views

Texture will not rotate with gluSphere

I have a gluSphere generated in my display that is rotating, but having a problem with the texture rotating with the sphere as well. So in a nutshell, no matter how the sphere rotates, the texture ...
1
vote
0answers
99 views

Blender 2.6: UV-Matching on Non-Image-Textures

Situation: I want to model a piece of wood in Blender (2.63.0). In order to do this I use a set of Noise and Clouds textures on a brown material. But these textures are warped and shown in the wrong ...
1
vote
1answer
279 views

MultiTexturing by neighbouring points textures

Visual example: I've been trying to understand multitexturing for a while now, I've created a terrain generator but have no need for height just yet and I still want one texture to blend over to ...
0
votes
0answers
201 views

2D Textures are shown through objects in front of it(OpenGL)

I am learning to use pyglet and learning about applying 2D textures to planes in pyglet. When I apply the 2D texture to the plane it works fine. When I make multiple objects with the same texture , ...
2
votes
2answers
2k views

VBO with texture index buffer different than vertex index buffer

I am trying to write my own OBJ importer and renderer in OpenGL (yes, I know, reinventing the wheel) and I found a problem that I don't knwo how to handle. In an OBJ file faces are defined by a list ...
2
votes
1answer
545 views

Distortion of color space in UDK (material editor)

Question Using UDK's material editor, I wish to use a texture as a two-dimensional array of values for mathematical computations (basically, the color components of each pixel in the texture alter ...
2
votes
1answer
93 views

Getting an instance of KX_PolygonMaterial in Blender

I've got a question concerning using Python in Blender's Game Engine. Before I start I want to state that I'm trying to change the color of an object in Blender's game engine. To do this, I'm ...
3
votes
1answer
225 views

XNA windows phone release black textures

i just made a 3d game in XNA for windows phone 7. I build it in release mode on visual studio 2010 and suddenly when I run game there is no textures on models - 2 models are black and one is ...
5
votes
1answer
705 views

How to draw a trapezoid in OpenGL?

The question seems easy, but you simply change vertex positions to match the corners of a trapezoid but it simply fails. I've tried scaling top and bottom edges like this : but when I apply my ...
1
vote
1answer
334 views

Multisampled Texture

i have some doubts with multisampled textures. In fragment shader, how to pass multiple samples? We use glTexImage2DMultisample instead of glTeximage2D. so, how to upload texture data? I want to ...
4
votes
1answer
279 views

How do I get a Model to add a name to it's Texture(s) in the XNA Content Pipeline

I know that a texture's name is not preserved when it's loaded in. I also know that you can give it a name. For example: Texture2D texture = content.Load<Texture2D>("MyTexture"); texture.Name ...
10
votes
5answers
656 views

Texturing an asteroid

I'm trying to texture this asteroid so it looks reasonable. I'm missing something though. Following this tutorial, I got this so far. Now I don't understand the next step: how do you resolve the ...
5
votes
1answer
192 views

Blend multiple regions from same texture atlas

I'm representing terrain in my game as a grid with at each node a composition, for example 100% rock, or 50% grass, 50% soil. I'd like to use this composition vector to blend textures together. I'm ...
3
votes
5answers
822 views

XNA 2D Spritesheet drawing rendering problem

I'm making a tile-based game, using one spritesheet containing all tile graphics. Each tile has a size of 32x32 pixels. The main problem is: when I draw the tile to the screen, if the tile position x ...