Top "Shader" questions

How does the default GLSL shaders look like? for version 330

What do the default vertex, fragment and geometry GLSL shaders look like for version #330? I'll be using #version 330 GLSL Version 3.30 …

glsl shader

OpenGL ES 2.0 Rendering with a Texture

The iPhone SDK has an example of using ES 2.0 with a set of (Vertex & Fragment) GLSL shaders to render …

iphone opengl-es glsl shader

What's the origin of this GLSL rand() one-liner?

I've seen this pseudo-random number generator for use in shaders referred to here and there around the web: float rand(…

glsl shader prng

FXC : error X3501: 'main': entrypoint not found

I am following an example book called: Introduction to 3D Game Programming with DirectX 11 It is all written in VS2010. …

c++ directx shader visual-studio-2013 hlsl

Custom Texture Shader in Three.js

I'm just looking to create a very simple Fragment Shader that draws a specified texture to the mesh. I've looked …

shader textures three.js fragment-shader

Efficiency of branching in shaders

I understand that this question may seem somewhat ungrounded, but if someone knows anything theoretical / has practical experience on this …

performance branch shader

OpenGL bool uniform?

I'm trying to send a boolean to an OpenGL glsl shader. Currently I have this in the shader: uniform bool …

c++ opengl boolean shader

Explicit vs Automatic attribute location binding for OpenGL shaders

When setting up attribute locations for an OpenGL shader program, you are faced with two options: glBindAttribLocation() before linking to …

opengl-es shader opengl-es-2.0

Help with Pixel Shader effect for brightness and contrast

What is a simple pixel shader script effect to apply brightness and contrast? I found this one, but it doesn't …

shader

How to render Android's YUV-NV21 camera image on the background in libgdx with OpenGLES 2.0 in real-time?

Unlike Android, I'm relatively new to GL/libgdx. The task I need to solve, namely rendering the Android camera's YUV-NV21 …

android camera libgdx opengl-es-2.0 shader