public ShaderProgram()
{
if (glCreateProgram == null)
{
glCreateProgram = OpenGL.GetDelegateFor <OpenGL.glCreateProgram>();
glAttachShader = OpenGL.GetDelegateFor <OpenGL.glAttachShader>();
glLinkProgram = OpenGL.GetDelegateFor <OpenGL.glLinkProgram>();
glDetachShader = OpenGL.GetDelegateFor <OpenGL.glDetachShader>();
glDeleteProgram = OpenGL.GetDelegateFor <OpenGL.glDeleteProgram>();
glGetAttribLocation = OpenGL.GetDelegateFor <OpenGL.glGetAttribLocation>();
glUseProgram = OpenGL.GetDelegateFor <OpenGL.glUseProgram>();
glGetProgramiv = OpenGL.GetDelegateFor <OpenGL.glGetProgramiv>();
glUniform1ui = OpenGL.GetDelegateFor <OpenGL.glUniform1ui>();
glUniform2ui = OpenGL.GetDelegateFor <OpenGL.glUniform2ui>();
glUniform3ui = OpenGL.GetDelegateFor <OpenGL.glUniform3ui>();
glUniform4ui = OpenGL.GetDelegateFor <OpenGL.glUniform4ui>();
glUniform1i = OpenGL.GetDelegateFor <OpenGL.glUniform1i>();
glUniform2i = OpenGL.GetDelegateFor <OpenGL.glUniform2i>();
glUniform3i = OpenGL.GetDelegateFor <OpenGL.glUniform3i>();
glUniform4i = OpenGL.GetDelegateFor <OpenGL.glUniform4i>();
glUniform1iv = OpenGL.GetDelegateFor <OpenGL.glUniform1iv>();
glUniform2iv = OpenGL.GetDelegateFor <OpenGL.glUniform2iv>();
glUniform3iv = OpenGL.GetDelegateFor <OpenGL.glUniform3iv>();
glUniform4iv = OpenGL.GetDelegateFor <OpenGL.glUniform4iv>();
glUniform1f = OpenGL.GetDelegateFor <OpenGL.glUniform1f>();
glUniform2f = OpenGL.GetDelegateFor <OpenGL.glUniform2f>();
glUniform3f = OpenGL.GetDelegateFor <OpenGL.glUniform3f>();
glUniform4f = OpenGL.GetDelegateFor <OpenGL.glUniform4f>();
glUniform1fv = OpenGL.GetDelegateFor <OpenGL.glUniform1fv>();
glUniform2fv = OpenGL.GetDelegateFor <OpenGL.glUniform2fv>();
glUniform3fv = OpenGL.GetDelegateFor <OpenGL.glUniform3fv>();
glUniform4fv = OpenGL.GetDelegateFor <OpenGL.glUniform4fv>();
glUniformMatrix2fv = OpenGL.GetDelegateFor <OpenGL.glUniformMatrix2fv>();
glUniformMatrix3fv = OpenGL.GetDelegateFor <OpenGL.glUniformMatrix3fv>();
glUniformMatrix4fv = OpenGL.GetDelegateFor <OpenGL.glUniformMatrix4fv>();
glGetUniformLocation = OpenGL.GetDelegateFor <OpenGL.glGetUniformLocation>();
}
this.ShaderProgramObject = glCreateProgram();
}
/// <summary>
/// </summary>
/// <param name="uniformName"></param>
/// <param name="values"></param>
/// <returns></returns>
public int SetUniform(string uniformName, ivec3[] values)
{
int location = GetUniformLocation(uniformName);
if (location >= 0)
{
if (glUniform3iv == null)
{
glUniform3iv = OpenGL.GetDelegateFor <OpenGL.glUniform3iv>();
}
int count = values.Length;
var value = new int[count * 3];
int index = 0;
for (int i = 0; i < value.Length; i++)
{
value[index++] = values[i].x;
value[index++] = values[i].y;
value[index++] = values[i].z;
}
glUniform3iv(GetUniformLocation(uniformName), count, value);
}
return(location);
}