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

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8
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2answers
2k views

How do OpenGL's texelFetch and texture differ?

I understand the main differences between texelFetch and texture, but have some questions about the details: Does texelFetch involve a performance penalty? Such as not using a cache or such? Are ...
0
votes
2answers
151 views

Why not just create very high resolution graphics and use them on all screens?

I'm creating a game with pretty basic graphics (numbers, blocks, words, and a few nice design elements for the logo and such). My question is: can I create everything in a very high resolution- say ...
3
votes
1answer
389 views

What's the proper way to set up a texture atlas in Unity 3D?

I am using Unity3d (free) to make a game with user-defined content (i.e., load in a map, it'll build the level for you). Everything is working as expected, except for the rendering. Note the ...
1
vote
0answers
121 views

Why do I get an 'invalid call' error when creating an R8G8B8 volume texture?

I'm trying to create a VolumeTexture in C# with SharpDX, but it fails: var form = new RenderForm("SharpDX - Test"); var device = new Device(new Direct3D(), 0, DeviceType.Hardware, form.Handle, ...
1
vote
1answer
178 views

Copying a texture's colors to a new texture to create a new sprite

Let mySprite be some .PNG sprite: Texture2D tex = mySprite.texture; Sprite sprite = Sprite.Create(tex, new Rect(0,0,tex.width,tex.height),new Vector2(0.0f,0.0f),1.0f); The resulting sprite can be ...
3
votes
2answers
2k views

2D Collision masks for handling slopes

I've been looking at the example at: http://create.msdn.com/en-US/education/catalog/tutorial/collision_2d_perpixel and am trying to figure out how to adjust the sprite once a collision has been ...
0
votes
0answers
168 views

WebGL - Luminance textures from JPG images

Is there any way to create a WebGL texture with Luminance format from JPG image? JPG images have 3 color channels and luminance texture has only one channel. The problem is that gl.texImage2D can't ...
7
votes
2answers
4k views

How do I load textures with SFML for OpenGL?

I'm looking at NeHe's texture mapping tutorial. It looks overly complicated for just loading a texture. Is there a way to load a texture in SFML and then use it in Open GL? I use SFML for my ...
0
votes
1answer
1k views

Where can I learn about Substance maps for 3ds Max 2012? [closed]

A new feature in 3ds max 2012 is Substance procedural textures. Are there any good online libraries or resources for substance maps?
1
vote
0answers
119 views

Lag when drawing single Texture multiple times in libGDX [closed]

I am building a game where you are basically drawing little dots on the screen with the help of the accelerometer. I am using a single instance of an Actor where I store the coordinates that needs to ...
0
votes
1answer
73 views

Texture2D.SetData Method Overload

Been reading up on various methods in the XNA framework, and found this one. I've done some Google searching, but I can't seem to find any information on how to use this particular method overload. ...
0
votes
2answers
460 views

32 bit or 16 bit textures

I'm trying to build some 2d character with Photoshop and Spine. By now, I have created some of my characters using 16 bit color depth images in Photoshop. Now, I wonder whether I have to use 32 bit or ...
2
votes
1answer
127 views

OpenGL ES Single Bitplane Texture (or something close)

I'm looking to use a texture to store single bits (or a low number of bits, two or three). This in of itself isn't hard if you're using nearest neighbor sampling with some bit plane unpacking. The ...
15
votes
3answers
7k views

What exactly is UV and UVW Mapping?

Trying to understand some basic 3D concepts, at the moment I'm trying to figure out how textures actually work. I know that UV and UVW mapping are techniques that map 2D Textures to 3D Objects - ...
1
vote
1answer
410 views

Texture Region drawing issue with LibGDX

I am currently moving my old slick2d project to libgdx. I have created a custom AnimationExt class that extends Animation to which I added a draw method. The Animation's frames are actually ...
2
votes
1answer
685 views

How do I change a Unity 4.6 Sprite's textureRect at runtime?

I'm using Unity 4.6, and I've made a sprite like this: AtlasFrameData frame = _testAtlas.GetFrameByIndex(0); Rect spriteRect = new Rect(frame.Position.x, frame.Position.y, frame.FrameSize.x, ...
0
votes
1answer
251 views

minecraft mapping from tibia OTBM file

I am new to minecraft modding but i program for a living and it looks quite simple to get around. I have this fantasy and a quick internet search shows im not the only one. For those of you who do not ...
5
votes
3answers
6k views

Can I make a mirror with Unity Free?

If I understand correctly, render textures are a feature of Unity Pro, and that is the best way to create mirrors, TV screens, and so forth. If I am wrong, please tell me. What I would like to know is ...
6
votes
4answers
320 views

Keeping sprites nice and pixelated

How do I keep the sprites in my game nicely pixelated on screens of all sizes and resolutions? I use nearest-neighbor texture filtering when resizing pixels, but this works well only at really high ...
1
vote
1answer
97 views

Missing texture coordinates for channel 0 Fbx and XNA 4.0

I'm getting this error while trying to load a model in XNA 4.0 : Error 2 The mesh "transform1", using SkinnedEffect, contains geometry that is missing texture coordinates for channel 0. The model ...
0
votes
1answer
94 views

Texture organization and budgeting for a HD Sprite Based Game [closed]

I've been making a game that features 2 traditionally animated playable characters, hd backgrounds, props, and extra special effect animations. Things have gone well so far, but I have a few questions ...
1
vote
1answer
67 views

XNA: “TextureCoordinate0” missing, but I'm not using textures

I'm trying to create a voxel game using XNA, but I'm getting a somewhat bizarre error when calling DrawIndexedPrimitives(): InvalidOperationException was unhandled The current vertex declaration does ...
3
votes
1answer
248 views

XNA windows phone release black textures [closed]

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 ...
0
votes
0answers
71 views

How to evenly add textures to objects in Three.js?

I'm trying to add simple textures to my game in Three.js but I can't figure out how to evenly map textures to differently sized objects. This is how my textures look at the moment: The textures ...
1
vote
0answers
101 views

How do I fill a shape with a texture in Libgdx?

I am making a 2D racing game. I want to fill the area of the ground object with a texture. I have the shapes of the ground (a Box2D shape). If I make images of the ground with textures, it uses a lot ...
4
votes
2answers
4k views

What does changing GL_TEXTURE_WRAP)_(S/T) do?

I am working through some beginner OpenGL tutorials, and the current one teaches how to apply a texture to a simple rectangle. The tutorial states tells me to set the texture parameters ...
1
vote
0answers
127 views

How can I use a texture as a font in Unity3D

I am making a game in unity and I am trying to make a custom font for showing numbers. I created a png with the numbers, turned it into a material and added it to a custom font object. I set up the ...
0
votes
0answers
95 views

Flickering Textures

I have downloaded an FBX and its textures and imported them into my project. The problem I have is that the textures are flickering very much in my current scene whenever I move the mouse. I have ...
0
votes
0answers
220 views

Update DirectX 11 Texture Created in Unity Asynchronously in the Native (c++) Plugin

Sorry for the long question :D tl;dr version :) Is it possible to update DirectX 11 textures created in Unity asynchronously in a native plugin (C++)? I've written a plugin that retrieves data from ...
0
votes
1answer
141 views

My texture blends into one single color (DirectX11)

First thread on gamedev stackexchange. I am currently creating a cube with a single texture on each side. I got my cube up and running. But when I apply my texture, I get this: It blends the ...
1
vote
2answers
3k views

How do I choose an optimal texture size for a mobile Unity game?

I am developing a 2D game with Unity2D for Android, iOS, WebPlayer and maybe for desktop computers. I think the working resolution of my game is 1280*800. How do I choose the optimal size of ...
1
vote
1answer
214 views

HLSL: An array of textures and sampler states

The shader must switch between multiple textures depending on the Alpha value of the original texture for each pixel. Now this would word fine if I didn't have to worry about SamplerStates. I have ...
1
vote
0answers
257 views

Does Unity's “Compression quality” affect ETC2 compression?

In Unity I am using "Advanced" texture options on Android with ETC2 8-bit compression. There is an option for "Compression quality" as described here: ...
0
votes
0answers
110 views

When camera moves the textures move and rotate

I recently followed the tutorial at PaulsProjects on shadow mapping. After finishing the tutorial all of my textures seemed to have vanished, then I moved my camera and the texture reappeared. But the ...
1
vote
0answers
71 views

Sprite framework binding multiple textures

In an attempt to batch render as many quads (sprites) as possible, I'm instance rendering a single unit-sized quad and passing in a buffer of per-instance data that includes width/height, texture ...
1
vote
1answer
69 views

Is it possible to look up a texel from a texture in GLES2 GLSL framgent shader without using sampler?

Is there some way I can directly access texture memory from fragment shader in GLES2 GLSL? I don't need the sampler to be involved since I am just using it as a look-up table.
3
votes
1answer
110 views

How can I switch between texture atlases based on the iOS version?

How can I switch between atlases (with different resolutions) in Unity based on the runtime iOS version?
6
votes
1answer
2k views

Why do my images take 200 MB of RAM when they are ~20KB on disk?

I am creating an Android game using libGDX. When I load my nine images it takes 200 MB of RAM. But the images are 10 to 17 KB each. Why the discrepancy? Here is where I create textures from those ...
3
votes
2answers
204 views

Rasterization Rules and States

This thread directly concerns lightmap generation; however, indirectly, the rasterization of polygons by the GPU. I am currently generating lightmaps using a pixel shader. To the shader I send 3 ...
1
vote
1answer
199 views

Basic terrain shader without using external texture

I have this: (Right now I have the height map in a x*x size 2D array and a 1D vector too.) What I am trying to achieve is something like this: Without using any textures, only plain colors. So ...
0
votes
1answer
170 views

Building a unity game without textures? [closed]

For a school project I have to build a unity game. Since the focus is on programming and building the game and not on creating graphics (we are supposed to find free models/textures online) I'm trying ...
1
vote
1answer
165 views
0
votes
0answers
32 views

How to get textures for my buildings? [duplicate]

I have decided to make my own game but i have one problem.So i want to create my own city but realized that i need textures.How i can make textures for my city buildings?I've been thinking about going ...
1
vote
0answers
157 views

OpenGL Bump Map — Texture artifacts ?

I am learning OpenGL (and learning the math behind it) and I'm making a simple OBJ viewer, nothing fancy. I have diffuse, specular and ambient light/texture working fine and now I am implementing the ...
0
votes
2answers
91 views

Getting the correct texture from an Atlas

I'm writing an OpenGL ES (2.0) app and have a custom Quad class which draws a textured quad for my sprites. Currently, I put the textures of any sprites of the same size into a single file or atlas, ...
3
votes
4answers
997 views

How can I view an R32G32B32 texture?

I have a texture with R32G32B32 floats. I create this texture in-program on D3D11, using DXGI_FORMAT_R32G32B32_FLOAT. Now I need to see the texture data for debug purposes, but it will not save to ...
0
votes
0answers
83 views

Scaling UDK landscape material

I have been following some guides off this site, more specifically the "Random Tiling Masks: Randomize the texture mapping to reduce tiling" section and I have run into an issue regarding scaling of ...
0
votes
0answers
31 views

How can you duplicat folders and not share old dependencies in Unity?

I have a folder with some prefabs, materials, textures, FBX, etc. My Prefabs refers to FBXs and Materials in this folder. Can I clone this folder in a way that it will save those local dependencies? ...
0
votes
1answer
172 views

“_SRGB” suffix for BC texture format doesn't result in sRGB-to-linear correction at sampling

I am working on a 3D engine as a hobby (Direct3D 11). Currently I am trying to implement sRGB -> linear -> sRGB color space conversions via texture formats with "_SRGB" suffix. So, my textures are ...
0
votes
1answer
51 views

Grants a Higher Texture downsized a better quality than a texture with the downsized resolution?

if i use a texture in a game with a resolution of 128*128 for a tile which is actually 64*64 on screen and both textures show the same image just in different resolutions. One in 128*128 and one in ...