WebName. lessThan — perform a component-wise less-than comparison of two vectors WebDescription. textureSize returns the dimensions of level lod (if present) of the texture bound to sampler. The components in the return value are filled in, in order, with the wid

Shaderific for OpenGL

WebDescription. smoothstep performs smooth Hermite interpolation between 0 and 1 when edge0 x edge1.This is useful in cases where a threshold function with a smooth transition is desired. smoothstep is equivalent to: . genType t; /* Or genDType t; */ t = clamp((x - edge0) / (edge1 - edge0), 0.0, 1.0); return t * t * (3.0 - 2.0 * t); WebNov 8, 2013 · vec3 v1 = vec3 (1,2,3); vec3 v2 = vec3 (3,2,1); bvec3 gt = greaterThan (v1, v2); Then the boolean vector gt would have the following form: gt.x = false; gt.y = false; gt.z = true; However, the biggest problem you have is you are trying to modify an input value. simple star wars tattoo ideas

opengl - GLSL <> operators on a vec4 - Stack Overflow

WebMay 3, 2024 · 3 Answers Sorted by: 44 What causes branching in GLSL depends on the GPU model and OpenGL driver version. Most GPUs seem to have a form of "select one of two values" operation that has no branching cost: n = (a==b) ? x : y; and sometimes even things like: if (a==b) { n = x; m = y; } else { n = y; m = x; } WebMar 28, 2016 · GLSL only supports square matrices, so the size of two matrices must be equal to multiply them together. A vector is treated as either a row or column vector … WebOne expression might be better than the other. For example: result = 0.5 * (1.0 + variable); result = 0.5 + 0.5 * variable; The first one may be converted into an add followed by a multiply. The second one is expressed in a way that more explicitly allows for a MAD operation. Assignment with MAD ray craycraft middletown ohio