GlUtil

open class GlUtil

Some OpenGL utility functions.

Properties

Identity matrix for general use.

val TAG: String = "Grafika"

Checks to see if a GLES error has been raised.

open fun checkLocation(location: Int, label: String)

Checks to see if the location we obtained is valid.

Allocates a direct float buffer, and populates it with the float array data.

open fun createImageTexture(data: ByteBuffer, width: Int, height: Int, format: Int): Int

Creates a texture from raw data.

open fun createProgram(vertexSource: String, fragmentSource: String): Int

Creates a new program from the supplied vertex and fragment shaders.

open fun loadShader(shaderType: Int, source: String): Int

Compiles the provided shader source.

Writes GL version info to the log.