Function apply_to_shaders

shadercompiler/python/shadercompiler/effectinfo.py:664–693

Applies a callback to all shader permutations :param path: effect path :type path: basestring :param callback: callback function that is called for each shader permutation :type callback: (ShaderInfo)->None :param shader_filter: optional filter for permutations, called with

(path, callback, shader_filter=None)

def apply_to_shaders(path, callback, shader_filter=None):
    """
    Applies a callback to all shader permutations

    :param path: effect path
    :type path: basestring
    :param callback: callback function that is called for each shader permutation
    :type callback: (ShaderInfo)->None
    :param shader_filter: optional filter for permutations, called with platform, shader model
    :type shader_filter: (int, int, list[(str, Permutation)])->bool
    :return:
    """
    for platform in PLATFORM_NAMES.keys():
        for sm in SHADER_MODEL_NAMES.keys():
            try:
                compiled = paths.get_compiled_path(path, sm, platform)
            except ValueError:
                continue
            try:
                effect = EffectInfo(compiled)
            except IOError:
                continue
            count = 1
            for each in effect.permutations:
                count *= len(each.options)
            for each in range(count):
                if shader_filter:
                    if not shader_filter(platform, sm, effect.index_to_options(each)):
                        continue
                callback(effect.get_shader(each))


def get_merged_parameters(path, shader_filter=None):