WebGL is a Javascript API for rendering interactive 3D / 2D graphics on the HTML5 canvas element. It is based on OpenGL ES 2.0.

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2answers
90 views

Fragment shader compiling in webGL but not in OpenGL

I am programming in Haxe (language compiling to multiple platforms) and I have written some shaders. My fragment shader runs fine in html5, but when I try to compile for native (OS X and/or Neko, a ...
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1answer
107 views

Is it possible or not to share a geometry among many meshes and applied a different shaderMaterial for each?

I instanciate one PlaneGeometry, then I instanciate 200 meshes sharing this geometry and with their own instance of a given shaderMaterial. Here is a simplified version of the code : ... var geom = ...
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1answer
797 views

How can I create a WebGL camera based on quaternions?

I am trying to create a WebGL camera based on quaternions. I looked at many tutorials, and none is as simple as it could be or it was not working. How can I create such a camera?
3
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0answers
103 views

LibGDX's HTML project doesn't show anything in Browser

The question is self explanatory, when I run my demo-html project as a Web Application and I open Chrome with the provided link by eclipse, my browser doesn't show the image it is supposed to show in ...
1
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0answers
39 views

Array of script class references in inspector

I'm trying to remove the Reflection part of ones of my scripts so it works in WebGL, however I am having some trouble. Basically I need a way to store references to classes in an Inspector array so ...
1
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0answers
59 views

WebGL stereo on Linux

Is there any way for us to use frame-sequential stereo with WebGL without having to boot into Windows and use the DirectX hack?
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0answers
346 views

How can I reduce draw calls when using glBufferSubData and DYNAMIC_DRAW?

At first I had the problem where I had about 150 rectangles rendered every tick. I only used STATIC_DRAW and glBufferData. I added support for DYNAMIC_DRAW and glBufferSubData and now I have a very ...
1
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0answers
150 views

Is there an out-of-the-box way to create a custom non-convex polygon in three.js?

Does Three.js offer an out-of-the-box way to create custom non-convex polygon, or do I have to use THREE.Geometry and set faces manually? I'm guessing that ShapeGeometry has something to do with this, ...
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0answers
7 views

Error while running Unity WebGL build on MAMP localhost

I have built my game for WebGL platform and tried to run it on MAMP localhost. I am getting the following alert message in Google Chrome (Version 44.0.2403.125 (64-bit)) and in Safari (Version 8.0.3 ...
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0answers
18 views

Pass uniforms to Filter's shader

I wanna implement this shader (https://www.shadertoy.com/view/MslGWN#) in PhaserJS state. So i transformed the shader to WebGL style. I overload Phaser.Filter's update function to pass iChannel ...
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0answers
46 views

How to properly use large texture that is not power of 2?

I'm making a 2D game, rendered using WebGL (using ANGLE, which means that on Windows DirectX is actually used). This is desktop-only game, but would be great to be compatible with integrated graphics ...
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0answers
34 views

Phaserjs, filters, save to image cache

I've tried to apply a Pixi filter to a image and save it to cache but the image doesn't get saved with the filter. colorMatrix = new PIXI.ColorMatrixFilter(); colorMatrix.matrix = [0,0.0,0.5,-0.2, ...
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0answers
52 views

possible way to bring canvas 2d animation in canvas webgl context

when added 2d animation canvas in 3d webgl canvas as texture, 2d animation and 3d animation both stopped working. Any reference for this.
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0answers
185 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 ...
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0answers
268 views

How can I compute spotlight attenuation when I only have a spotlight cutoff angle?

I am trying to compute the spot light attenuation, though I don't have a spotCosCutoff (cosine of the spotlight cutoff angle) predefined variable in the shader so I have to compute it myself. This is ...