GLSL pow function?

iphone opengl-es glsl fragment-shader
Geri Borbás picture Geri Borbás · May 6, 2012 · Viewed 12.2k times · Source

I have this:

    float xExponential = pow(xPingPong, 5);

And is not working, claiming:

ERROR: 0:53: No matching overload for call to function 'pow'

Am I doin' something wrong? Developing for iOS with OpenGL ES 2.0.

Answer

Mennan picture Mennan · May 6, 2012

Can you try this ?

float xExponential = pow(xPingPong, 5.0);

Related questions

How to define constant array in GLSL (OpenGL ES 2.0)?

I just want to store an array of weights that needs to every fragment calculation. This: float weights[5] = float[5](3.4, 4.2, 5.0, 5.2, 1.1); Just throws this: ERROR: 0:30: ']' : syntax error syntax error ERROR: 0:30: ';' : syntax error syntax error

Read More
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 a varying colored box. Is there an example out there on how to render a simple texture using this API? …

Read More
What is the precision of highp floats in GLSL ES 2.0 (for iPhone/iPod touch/iPad)?

I have a shader that ideally needs 28 bits of mantissa, though I can use less and degrade performance. How can I determine what the precision of 'highp' is in OpenGL ES? It's probably an FP24, with 16bits mantissa, but I …

Read More