Unanswered Questions

I've got a simple app that draws 3D cubes using instance rendering and I'm implementing Shadow Volume. Each cube's vertex, uv, normal and index data are statically stored in 4 vertex array buffers. On ...

As irradiance map is generated for every possible normal for all the texels in environment map (as every texel act as a light source) so that we can look up irradiance map, based on normal of fragment ...

I'm very sorry if this question has already been answered, but since I've been struggling with this for many days I thought I'd give it a shot here. My goal is to somehow render some text on the ...

Unity comes with an overdraw view that looks something like this: We've probably all seen it, and have probably been advised to check for overdraw. How do you go about actually doing anything about it?...

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 ...

Sorry if the question is stupid but I am very new to opengl. I render on a target a scene with a couple of object on a background that is nothing more than the clear colour (which is 0.0,0.0,0.0,0.0)...

I am currently implementing a deferred renderer in DX11.1. Right now I am having a problem that I can't seem to crack with specular highlights when I have multiple light sources. I keep a vector of ...

I have small problem with shadow maps preview. After binding shadow framebuffer I bind proper texture to store depth in it and then render the whole scene. When I read that values in shader to ...

Does anyone know how to create a Texture feedback effect in Stage3D / AGAL? I've just found the term "ping-ponging" in some GPU wikipage, hopefully I'm using it in the right place! I'll share with ...

I need to avoid z-fighting in exactly co-planar surfaces that are too close to the other solids. I'm re-implementing the Freescape engine in ScummVM (all my code is open-source, available here), and ...

I'm trying to create a font atlas with SDL_TTF. My idea was to create an SDL_Surface for every character using ...

I am working on upgrading a project in unity from a 2018 version to the latest 2019. One of the mechanics of the game is an AR (augmented reality) system. Some of the UI elements appear in the 3D ...

I have a problem, when i try to render textures. I read positions of gameObjects, for example coin and create box2d objects circle shape. I have wrote game logic and began make a graphic. But for some ...

I'm finishing my game, i'm in the stage of optimisation, i tried multithreaded rendering and dynamic batching, with OpenGLES3.. i get a little bit increase , but now i'm getting function Clear take ...

I'm trying to create a live minimap of the complete game world. In order to do that I'm taking a snapshot of the whole game world (not only the part that is displayed) every 100ms or so. The code I'...