Contents
What is ShaderToy iframe?
ShaderToy is a very handy tool that lets you create shaders inside your browser. It offers an easy-to-use interface where you can type in your GLSL code and watch it run immediately.
What is the difference between HLSL and GLSL?
in HLSL attributes are arguments in the shader functions, in GLSL, they’re keywords denoted by attribute and varying. in GLSL output variables are denoted with a gl_ prefix, in HLSL they’re explicitly denoted with a out keyword. (GLSL has the out keyword as well, and allows for custom output variable names.
How to convert GLSL shader to Cg shader?
UV coordinates in GLSL have 0 at the top and increase downwards, in HLSL 0 is at the bottom and increases upwards, so you may need to use uv.y = 1 – uv.y at some point. Note that ShaderToys don’t have a vertex shader function – they are effectively full-screen pixel shaders which calculate the value at each UV coordinate in screenspace.
Is there a GLSL converter for OpenGL tessellation?
When tessellation is enabled in OpenGL, partitioning as well as output patch topology are defined by the tessellation evaluation shader (domain shader) rather than by the tessellation control shader (hull shader). As a result, the converter cannot generate GLSL code without using special hints.
How does diligent engine convert HLSL to GLSL?
Diligent Engine uses HLSL2GLSL Converter that allows shader authored in HLSL to be converted into GLSL source. Since no intermediate representation is used, all tools available for HLSL shader development, analysis and optimization can be used directly, while GLSL source is automatically generated from HLSL shaders.
Can a GLSL sandbox shader be used in GameMaker?
GLSL Sandbox shaders already have the uniforms setup. As long as you set them to the right values it should work fine. If the shader has “surfacePosition” then only thing you need to add is a vec4 uniform called “Scroll”. This can be used in GameMaker to scroll and zoom.