Gl.ShaderSource (gb.opengl.glsl)

Static Sub ShaderSource ( Shader As Integer, Source As String )

Replaces the source code in a shader object.

Parameters

shader: Specifies the handle of the shader object whose source code is to be replaced.
count: Specifies the number of elements in the string and length arrays.
string: Specifies an array of pointers to strings containing the source code to be loaded into the shader.
length: Specifies an array of string lengths.

Description

Gl.ShaderSource sets the source code in shader to the source code in the array of strings specified by string. Any source code previously stored in the shader object is completely replaced. The number of strings in the array is specified by count. If length is NULL, each string is assumed to be null terminated. If length is a value other than NULL, it points to an array containing a string length for each of the corresponding elements of string. Each element in the length array may contain the length of the corresponding string (the null character is not counted as part of the string length) or a value less than 0 to indicate that the string is null terminated. The source code strings are not scanned or parsed at this time; they are simply copied into the specified shader object.

Notes

OpenGL copies the shader source code strings when Gl.ShaderSource is called, so an application may free its copy of the source code strings immediately after the function returns.

Errors

Gl.INVALID_VALUE is generated if shader is not a value generated by OpenGL.

Gl.INVALID_OPERATION is generated if shader is not a shader object.

Gl.INVALID_VALUE is generated if count is less than 0.

Associated Gets

Gl.GetShader with arguments shader and Gl.SHADER_SOURCE_LENGTH

Gl.GetShaderSource with argument shader

Gl.IsShader