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Questions tagged [rendertexture]

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A texture to which content can be rendered.

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22 views

Dynamic cube mapping with a single draw call

currently i am following the book '3d_game_programming_with_DirectX11' and now i am in 'Dynamic cube mapping using Geometry shader' chapter. This is where i am stuck now. The sample code it's showing ...
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1answer
53 views

Rendering to Texture with Transparency in Monogame?

Please forgive me if I'm asking a question that has been answered before, but for the life of me, search as I might, I couldn't find a problem exactly like this anywhere. I'm trying to render a ...
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16 views

How to dynamically fit texture to screenspace projection of object?

I want to map a texture onto an object so that it gets fitted onto the entire screenspace projection of the object, i.e. for each vertical cross-section of the object as visible by the camera, the ...
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1answer
108 views

Video feedback effect with recursive RenderTextures in Unity 2018.3

I have a project where I'm playing with a video feedback effect by rendering a camera to a RenderTexture and pointing the camera at a quad displaying that RenderTexture. This works great normally, ...
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1answer
133 views

Dr.Strange's door in Unity3D, how to put a projected void on a plane?

My question is about a visual trick I would like to perform in Unity3D. I want the player to walk outside a door and see no walls of the room behind them, just the door. They should still be able to ...
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0answers
226 views

Unity blit() not writing to RenderTexture

I found a nice Gaussian Blur shader online and am attempting to use it to blur a render texture using blit(). However, the render texture remains unblurred. I know for a fact the blur shader works as ...
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1answer
74 views

How can I pack repeated textures into one texture efficiently?

I have an obj mesh with some textures, several of them are repeated(uvs are not within [0,1]). I'd like to merge all those textures into one texture and transform the uvs of obj.
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0answers
251 views

Is it possible to crop a render texture in unity?

Basically what I want to do is, take the source render texture from OnRenderImage and crop it (continuously). I've already achieved this by using ...
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2answers
155 views

Combining multiple diffuse textures into one leaves strange distortions?

I made 3 models, each has own material. And after texture painting, I combined each their texture to single textures for optimization. Currently making Mobile Game with Unity 2018 and using Mobile/...
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1answer
343 views

Screen Capture rendered on a RenderTexture in Unity

I have a pretty wild idea for a unity application that would work on a multi-display setup. The app would be running in full screen mode on one of my displays, and the contents of the remaining two ...
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2answers
2k views

How Do I 'Reset' my Render Texture When I Stop a Video Player?

I have a Unity VideoPlayer where I use a render texture with an audio source to play the video. VideoPlayer.Stop pauses the video and resets the time to 0. I want ...
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1answer
1k views

Using a Compute Shader in Unity to convert a texture to a float array

I have a fairly simple requirement for a compute shader (DirectCompute through Unity). I have a 128x128 texture and I'd like to turn the red channel of that texture into a 1d array of floats. I need ...
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1answer
157 views

How can I Fade Paint over time?

I want to fading my paint over time like this: but currently It's gray! what Is the problem? Code: ...
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1answer
1k views

Noticeable quality loss on texture captured using Graphics.Blit vs Shader output directly to a mesh

I'm currently using a GPU shader to generate a texture. I want to be able to capture the output of this out I'm using Graphics.Blit to output the shaders result to a ...
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1answer
417 views

How to draw geometric shapes to a texture?

How can I create a texture containing a geometric figure using SDL2? I saw there is a way to convert Surface to Texture, and I also saw that there is a way to draw directly to the screen using ...
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1answer
2k views

Achieving 2D Lighting for Terraria-Like Game

I'm trying to achieve the fog-of-war lighting style that Terraria and Starbound have. Terraria's lighting system seems to be more blocky/tile based, but Starbound's is a lot more smooth. The Desired ...
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1answer
222 views

Render 2D texture on the cube texture at given location

I would like to simulate a moving sun on the sky. What I have managed to do so far is calculating the exact location of the sun, that is the 3D direction vector from the camera's position in the world ...
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0answers
359 views

Creating Saving and Loading Materials in Runtime

I'm trying to create a material during runtime like this: In my Assets I have a Render Texture and one Material I created an Script where I attach the Render Texture to Material I save in my project ...
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3answers
13k views

How can I make my Camera's RenderTexture output have a transparent background?

I'm writing a 3D game using Unity 2017.1.0b1. I have a disabled Camera that takes a "snapshot" of the current scene and stores it in a RenderTexture when a button is clicked. I then display the ...
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0answers
352 views

get position of GameObject on rendertexture from camera

I'm rendering the camera output to an rendertexture on a plane. This works fine. But I want to put GameObjects on the rendertexture on positions of world objects that are visible on the camera. <...
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1answer
111 views

Weird streching of a texture in OpenGL

Here is the problem: I'm rendering a red triangle in an offscreen Frame Buffer Object. I have a texture of that Buffer, and i'm applying this texture to a Simple rectangle(at runtime). I get This ...
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1answer
260 views

SDL2 Draw scene to texture. SDL2 RenderTexture like SFML

I've been developing a 2D Engine using SFML + ImGui. The editor is rendered using ImGui and the scene window is a sf::RenderTexture where I draw the GameObjects ...
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1answer
36 views

problem in texturing

the first picture is the texture I'm using. and the second is result. problem! the model file it self is no problem. I think the mode is problem. I saw uv coordinates is more than 1. what kind of ...
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0answers
3k views

How to clear the content of a Rendertexture?

I want to clear the content of a RenderTexture in runtime. Basically I have this script: ...
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1answer
904 views

Why is my Canvas/RawImage not included in my Camera's RenderTexture output?

In my Unity2D game, I'm using a second camera to "screenshot" the current view. I then display this screenshot within the game. This works the first time I take a screenshot. When taking the second ...
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2answers
188 views

Why does rendering to a texture cause transparency here?

As a quick background, this is in the context of a custom game engine I'm writing in C# on top of the SharpDX framework. In the engine, when I render UI, I do so by creating a canvas object with its ...
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0answers
1k views

Run Unity standalone in Headless Mode whilst capturing screenshots

I need to create a unity project which runs in Headless mode (using the -batchmode command), but it must capture screenshots e.g. every one second and write them out to a file. I understand that in ...
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1answer
706 views

Default mipmap level & elements to use for CopyTexture in Unity Scripting?

I want to make a tiled map. I want to use the function CopyTexture to copy from a Texture2D (where is stored my tileset) to a RenderTexture. I want to use the third overloading (with all the ...
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1answer
238 views

ScreenToWorldPoint problems in otherwise awesome Unity demo

I am using this neat Unity demo I found on Stack Overflow, which demonstrates texture masking via RenderTexture: Can you erase a texture in real time in Unity But the mapping from mouse position to ...
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1answer
174 views

XNA draw a rectangle 3D perpendicular to camera

I need some ideas how to implement the Draw method. Need to draw a rectangle (actually a million of them, all same texture) that is in 3D, starts at point ...
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1answer
411 views

Unity swapping textures not working, weird?

I made two textures for my 3D game character. I can use both of them by dragging them on my player but I want to do the same through code. I searched and found that people are either using: 1) ...
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1answer
820 views

Unity, Does camera ALWAYS render to RenderTexture?

I have a camera that renders a simple model to a RenderTexture. I then use that RenderTexture as a texture for my UI with a RawImage component. However, sometimes I disable my UI and therefore you can ...
4
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0answers
115 views

Flicker when drawing multiple shapes over image based texture

I'm rendering video frames with multiple color filled shapes over it using SharpDx and D3D11. Rendering seems to be fine when just rendering the video frame and is as expected. Now if i draw a ...
4
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0answers
730 views

Particle-system in the GPU in Unity: how to load/store data from/to a texture in the shader?

I have been implementing a simple GPU-based particle system in Unity, for my current game. The setup is indeed not very elaborated: the shader receives a set of coordinates passed trough the position ...
8
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1answer
2k views

Learning how to make imposters manually in Unity - how to render an object to a texture not what camera sees?

I am trying to learn the most performant way to make an imposter in Unity manually - not using pre-fabricated solutions. My first guess is that it should be achieved by using RenderTexture and a ...
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0answers
329 views

Faster ways of rendering to a texture what is viewed by a camera in a given specific moment (Unity)

What I want to achieve is to render to a texture what is viewed by a camera in a given specific time or frame, and then stop rendering to the texture, delete the camera and stay with that texture for ...
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1answer
203 views

cocos2d-x Label Load Image like Sticker-Smile..(by html or …)

hi and sorry for my english... i am using cocos2d-x (c++)... can i load sticker (smile) in my Label(a text mixed by image)? i know that we can load bitmap fonts by: ...
4
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1answer
738 views

I want to render a texture2d on to the screen in unity, how do I do this?

So I have modified a texture in C# by removing all of its white pixels, now I want to render it on the screen in unity so that later I can use it as a terrain where I can make my sprite walk. So far, ...
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1answer
27 views

Is render to texture available in blender? [closed]

I don't know is render to texture available in blender like in 3dsmax if it is available please tell me step by step method to do that thanks in advance.
2
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1answer
422 views

How can I read the smallest mipmap back to the CPU after calling generateMips?

I'm implementing an adaptive tonemapper based on the standard "scale down the luminance map to a 1x1 texture" approach. This is my code following the rendering of the luminance map: ...
2
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1answer
791 views

Render scene depth to texture via FBO?

I'm trying to render my scene's depth via FBO and Render To Texture. I have a scene that I'm rendering to a texture, then render that texture to a fullscreen quad in a second pass using a fragment ...
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2answers
60 views

What mistake did I make? Source engine reskin issues

Here is a reskin of the Half Life 2 Wallace Breen model that I made for a mod I am developing, but the checkerboard on the suit is very odd. All my other skins have no issue, but this skin has ...
4
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1answer
947 views

How to attach a framebuffer to a whole cube map from a GL_TEXTURE_CUBE_MAP_ARRAY?

I'm trying to make shadow cube maps in an array. I want to draw each shadow map with a single pass using a geometry shader, which I read about here: https://stackoverflow.com/questions/462721/...
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0answers
191 views

OpenGL Black rectangle in rendering texture

I create textures (for example, I just fill the texture color), and render their. But, for some reason, to the upper edge added black rectangle. Screenshot: ...
2
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1answer
14k views

Drawing a pixel to RenderTexture

I would like to know how you would go about drawing a single pixel to a RenderTexture in Unity. In XNA, it was just a matter of setting the graphic device's active renderTarget, and drawing to it. ...