def write_shader_param():
header = CodeWriter(os.path.join(get_base_path(), 'shaderparam.h'))
code = CodeWriter(os.path.join(get_base_path(), 'shaderparam.cpp'))
parameters = []
for shader in SHADERS:
for param in shader.uniforms:
parameters.append(param[0])
if shader.tex_param:
parameters.append(shader.tex_param)
parameters = list(set(parameters))
hash_data = get_hash_function('hash_shader_parameter', parameters,
False)
code.putln(hash_data.code.replace('inline ', ''))
header.start_guard('CHOWDREN_SHADERPARAM_H')
header.putln('unsigned int hash_shader_parameter(const char * str, '
'unsigned int len);')
header.putln('')
for k, v in hash_data.strings.iteritems():
name = 'SHADER_PARAM_%s' % get_method_name(k).upper()
header.putdefine(name, v)
header.close_guard('CHOWDREN_SHADERPARAM_H')
header.close()
code.close()
def get_string_int_map(map_func, hash_func, string_map, case_sensitive=True):
strings = list(string_map.iterkeys())
writer = CodeWriter()
if strings:
hash_data = get_hash_function(hash_func, strings, case_sensitive)
writer.putlnc(hash_data.code)
hashes = dict((v, k) for (k, v) in hash_data.strings.iteritems())
writer.putmeth('int %s' % map_func, 'const std::string & in')
writer.putln('if (in.empty())')
writer.indent()
writer.putln('return -1;')
writer.dedent()
if strings:
writer.putlnc('unsigned int hash = %s(&in[0], in.size());',
hash_func)
writer.putlnc('switch (hash) {')
writer.indent()
for i in xrange(hash_data.max_hash_value + 1):
value = hashes.get(i, None)
if value is None:
continue
else:
value = string_map[value]
writer.putlnc('case %s: return %s;', i, value)
writer.end_brace()
writer.putlnc('return -1;')
writer.end_brace()
return writer.get_data()
def get_string_int_map(map_func, hash_func, string_map, case_sensitive=True):
strings = list(string_map.iterkeys())
writer = CodeWriter()
if strings:
hash_data = get_hash_function(hash_func, strings, case_sensitive)
writer.putlnc(hash_data.code)
hashes = dict((v, k) for (k, v) in hash_data.strings.iteritems())
writer.putmeth('int %s' % map_func, 'const std::string & in')
writer.putln('if (in.empty())')
writer.indent()
writer.putln('return -1;')
writer.dedent()
if strings:
writer.putlnc('unsigned int hash = %s(&in[0], in.size());', hash_func)
writer.putlnc('switch (hash) {')
writer.indent()
for i in xrange(hash_data.max_hash_value + 1):
value = hashes.get(i, None)
if value is None:
continue
else:
value = string_map[value]
writer.putlnc('case %s: return %s;', i, value)
writer.end_brace()
writer.putlnc('return -1;')
writer.end_brace()
return writer.get_data()
