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

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115 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 ...
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0answers
75 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 ...
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1answer
71 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.
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1answer
112 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?
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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
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2answers
205 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 ...
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1answer
214 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 ...
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1answer
179 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 ...
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1answer
174 views
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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 ...
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0answers
158 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 ...
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2answers
92 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, ...
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4answers
1k 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 ...
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0answers
86 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 ...
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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? ...
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1answer
188 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 ...
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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 ...
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1answer
115 views

How can I fill a Color[] from a Texture2D given a Rectangle in SharpDX?

I used to fill a Color[] using XNA's Texture2D.GetData<T>(int, Rectangle?, T[], int, int) method, but there doesn't seem to be an equivalent overload on SharpDX's Texture2D. Anyone know how I ...
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1answer
91 views

Design question: best way to model and visualize a long grid of data [closed]

Perhaps some noob questions for a scientific application that you can assist with: I am trying to render a large, evenly spaced grid of data in 2D. The full data set dimensions could be anywhere from ...
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1answer
298 views

Why does changing texture change it for both objects? [duplicate]

I have two identical objects in my Unity scene. When I change the texture of one, the texture is changed on the other, almost as though the first one is a prefab. Why is this happening and how can I ...
5
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1answer
309 views

Texture is black when manually building mipmap

I am trying to manually build a mipmap from a series of images. For the sake of brevity, let's assume the file containing the images I want (from 256x256 to 32x32) have paths file_1...4. What I do ...
3
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1answer
3k views

Why can't I add a float4 read from a Texture2D.Sample in the Vertex Shader?

These lines work (compile fine): float4 offset = HeightMap.Sample(HeightSampler, input.Texcoord); input.Position.xyzw += float4(0, 1, 0, 0); These do not (any use of offset together with ...
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1answer
306 views

How do I make parts of a texture transparent in Max?

I am applying an eye.psd eye-texture to my character model's face, but the results aren't what I'm expecting. Here's what it looks like (Observe the eye on the right. Ignore the other one.): The ...
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0answers
80 views

Load different grayscale images into the same texture

I have a series of images loaded as data1 = stbi_load_from_file(file1,&width,&height,&comp,1); data2 = stbi_load_from_file(file2,&width,&height,&comp,1); data3 = ...
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0answers
45 views

How to render many regions from the same texture using UV mapping?

I tried to apply some things that look like a "texture atlas". I would like to load 1 big texture which includes many small textures, my goal is to render each texture separately. I tried to use UV ...
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0answers
76 views

FPS drop after moved from Textures to TextureAtlas in LibGDX

I've started using LibGDX some time ago and I was making a test project to get used to this library. I've created some images and added them to the assets folder and loaded each image as a Texture ...
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1answer
489 views
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194 views

How can I texture a large terrain mesh in OpenGL?

I want to apply a texture to a large terrain mesh in my game. I think that it is just not acceptable to have a gigantic UV map spanning over 4096 x 4096 pixels. What's a better way to apply a texture ...
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1answer
108 views

texconv produces texture with same size using BC1 or BC4

According to msdn, the BC1 block compression format is for images with 3 color channels and 1 bit alpha channel and the BC4 is for images with 1 color channel and no alpha. Using the same RGBA input ...
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2answers
491 views

How can rotate a 2D textured quad in legacy OpenGL immediate mode?

I have a texture of a tank, and I want to it appearance on the screen depends on its current direction, so I decided to use rotating texture functions of OpenGL. I followed some advices through Google ...
4
votes
2answers
2k views

SDL2 sprite batching and texture atlases

I have been programming a 2D game in C++, using the SDL2 graphics API for rendering. My game concept currently features effects that could result in even tens of thousands of sprites being drawn ...
18
votes
3answers
7k views

How does Megatexture work?

I've been thinking about developing a small engine not only to develop small experimental games, but also to serve as a base to test various rendering techniques and things like that. Right now I've ...
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1answer
257 views

LibGDX - Textures rendering at wrong position

Update 2: Let me further explain my problem since I think that i didn't make it clear enough: The Y-coordinates on the bottom of my screen should be 0. Instead it is the height of my screen. That ...
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1answer
176 views

A problem with texture atlasing in Unity

I have the texture below and I need to get rectangular parts from it. I could finally combine meshes of different quads to improve performance, but I with quads of different tilings, this means ...
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0answers
45 views

How to produce a texture to represent a vector field

I would like to be able to produce a texture that essentially represents a 2D vector field (eg red represents vector {1, 0}. What I would like is to draw a path and the vector at the point on the ...
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1answer
100 views

Downloading 10 images and storing their data with WWW

I would like to download 10 images, and store their texture data into my list. I don't really know how to do that - I heard that for this you use the WWW class, so I went: List<byte[]> ...
3
votes
3answers
239 views

Can you offset the horizontal flip in SpriteEffects XNA?

As the title suggests I need to know if there is a way to offset the SpriteEffects.FlipHorizontally component in the XNA draw method. My reason for this is the sprite I am attempting to flip is not ...
8
votes
1answer
1k views

Why is my custom Texture2D blurry?

Have some WWW object downloading a .PNG image. ((SpriteRenderer)renderer).sprite = Sprite.Create(request.texture, new Rect(0,0,100,100)); My sprite looks fine. Now, let's be a bit ...
3
votes
1answer
370 views

Total Texture memory size iOS / OpenGL ES

My team is running into an issue where the amount of texture memory allocated via the glTexImage2D is high enough that it crashes the app ( at about 400 MB for iPhone 5). We're taking steps to ...
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0answers
35 views

Rectification of an image by using texture projection

I need to rectify an image with texture projection on GPU (GLSL/shaders), do you have any resources/tutorials/insights to share? I have the 3D pose of the camera that created the image and the image ...
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2answers
392 views

XNA How to change the sprite texture to white color

as the title, how can i do to take the sprite to white color here is some example, turn to follows image and my game planform is XNA now, and developed winphone game thanks for reading!
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1answer
125 views

Terrain (mesh) textures in Unity - blurry?

I've created a 3D mesh in blender which will be used as a terrain in Unity. Additionaly, I created a 900x900 texture which I'd like to apply as material to the mesh. However, unlike with the normal ...
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1answer
133 views

Algorithm for texture blending modification

Im currently writing a terrain editor for my game (for the record: no commercial intentions) and after having implemented the terrain morphing to my liking im now working on the texturing of said ...
7
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4answers
4k views

Batch conversion of PVR to JPEG (or similar)

The command line PVRTexTool works very well for getting textures into a PVR format, but I need a way of going the opposite directions. Does anyone know of a good command line tool (or GUI with a batch ...
2
votes
0answers
106 views

LibgGDX drawing two seperate Textures in FrameBuffer

So I am trying to combine multiple TextureRegions in to one by using a FrameBuffer. This works extremely well when the TextureRegions originate from the same Texture object/file but as soon as I try ...
2
votes
1answer
576 views

How do I split a texture into differently shaped pieces with libgdx?

I want to split a texture into variously shaped pieces with libgdx, like the pieces of a puzzle game. TextureRegion.split() is not an option, as it splits into equally sized rectangular texture ...
1
vote
1answer
1k views

Unity3D: terrain object's textures flickering on long distances

I'm making RTS project on Unity3D. I created terrain with Unity's standard Terrain tool, and added textures of grass, mood etc. on it. Then, for creating "man-made" objects of terrain (roads, ...
3
votes
1answer
146 views

Desaturate texture using mask in OpenGL 2

I have a very large texture i am using as background and i want to apply a filter to a small part of it, the "small part" is defined by the alpha layer of another texture i have (which is still ...
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0answers
214 views

Making game textures from sample images - legal/copyright question [closed]

TL;DR version: Can I use samples from images online in a commercial game project? Hello, I have been learning to use blender and have gotten quite decent at making models and applying textures, but ...
3
votes
1answer
127 views

How can I animate characters' static-geometry eyes?

Here's a Nintendo example: Specifically, the animation of the pupils seems not to animate the geometry. How is this done?