For reference, here’s a jsfiddle I’m using to test stuff: https://jsfiddle.net/roomyrooms/7L1n02fs/57/ And here’s a gif demonstrating my issue: https://i.gyazo.com/a18e7fe19b76a93655a2cc89f166dd61.mp4 …
Tag: webgl
Using mat4 attribute in WebGL2
I am trying to pass a 4×4 matrix as an attribute to WebGL2 vertex shader. After following closely this SO answer, I am stuck with wrapping my head around why I can’t successfully render and get a …
How do I Get Copy of Webgl Texture
I have a webgl texture and I store this texture in a javascript variable var texture1 = CreateTexture() function CreateTexture(){ var texture = gl.createTexture() gl.pixelStorei(gl….
Does canvas context2d.drawImage( webglCanvas, 0, 0 ) block until a webgl is finished rendering?
I assume the answer is “no” from my testing but I thought I’d make sure. I’m trying to draw / copy the contents from a WebGL canvas to a 2d canvas every frame and I want to know if I should …
Multiple passes render to separate textures
I am using the render to texture method for creating a multi shader program. And for various reasons. I need to first render a model to a texture with one shader program. Then render it again with a …
webgl trying to draw a triangle
I have been trying to draw a triangle but it is not showing up on the canvas here is my draw function code: function draw() { gl.viewport(0, 0, gl.viewportWidth, gl.viewportHeight)gl.clear(gl….
Phong and Gouraud Shading WebGL
I read that that in Gouraud Shading, the color for the fragment is computed in the Vertex Shader. Whereas, in Phong Shading, the color for the fragment is computed in the Fragment Shader. In this …