public FilterShader(string shaderSource, FilterModel filterModel)
{
this.filterModel = filterModel;
var maxTextureBindings = GL.GetInteger(GetPName.MaxTextureImageUnits);
// MAX_UNIFORM_LOCATIONS
var maxUniformLocations = GL.GetInteger((GetPName)(0x826E));
this.parameterLocationStart = textureLocationStart + filterModel.TextureParameters.Count;
// test if any binding slots were exceeded
if (textureBindingStart + filterModel.TextureParameters.Count > maxTextureBindings)
{
throw new Exception($"Too many texture bindings. Only {maxTextureBindings} texture bindings are available on this GPU");
}
if (parameterLocationStart + filterModel.Parameters.Count > maxUniformLocations)
{
throw new Exception($"Too many uniform variables. Only {maxUniformLocations} uniform location bindings are available on this GPU");
}
var shader = new glhelper.Shader(ShaderType.ComputeShader,
GetShaderHeader() +
"#line 1\n" +
shaderSource);
shader.Compile();
program = new Program(new List <glhelper.Shader> {
shader
}, true);
}
protected void init()
{
var shader = new glhelper.Shader(ShaderType.ComputeShader, GetComputeSource()).Compile();
program = new Program(new List <glhelper.Shader> {
shader
}, true);
}