// Create a vertex shader from a string and return its reference.
func VertexShader(s string) uint32 {
shader := gl.CreateShader(gl.VERTEX_SHADER)
gl.ShaderSource(shader, 1, &s, nil)
gl.CompileShader(shader)
checkShaderCompileStatus(shader)
return shader
}
// Create a fragment shader from a string and return its reference.
func FragmentShader(s string) uint32 {
shader := gl.CreateShader(gl.FRAGMENT_SHADER)
gl.ShaderSource(shader, 1, &s, nil)
gl.CompileShader(shader)
checkShaderCompileStatus(shader)
return shader
}
func compileShader(typeOfShader gl.Enum, source string) uint32 {
if shader := gl.CreateShader(typeOfShader); shader != 0 {
gl.ShaderSource(shader, 1, &source, nil)
gl.CompileShader(shader)
checkShaderCompileStatus(shader)
return shader
}
return 0
}