1# -*- coding: utf-8 -*- 2 3#------------------------------------------------------------------------- 4# drawElements Quality Program utilities 5# -------------------------------------- 6# 7# Copyright 2015 The Android Open Source Project 8# 9# Licensed under the Apache License, Version 2.0 (the "License"); 10# you may not use this file except in compliance with the License. 11# You may obtain a copy of the License at 12# 13# http://www.apache.org/licenses/LICENSE-2.0 14# 15# Unless required by applicable law or agreed to in writing, software 16# distributed under the License is distributed on an "AS IS" BASIS, 17# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18# See the License for the specific language governing permissions and 19# limitations under the License. 20# 21#------------------------------------------------------------------------- 22 23import os 24import re 25import sys 26 27sys.path.append(os.path.dirname(os.path.dirname(__file__))) 28 29import khr_util.format 30import khr_util.registry 31import khr_util.registry_cache 32 33SCRIPTS_DIR = os.path.dirname(__file__) 34OPENGL_DIR = os.path.normpath(os.path.join(SCRIPTS_DIR, "..", "..", "framework", "opengl")) 35EGL_DIR = os.path.normpath(os.path.join(SCRIPTS_DIR, "..", "..", "framework", "egl")) 36OPENGL_INC_DIR = os.path.join(OPENGL_DIR, "wrapper") 37 38GL_SOURCE = khr_util.registry_cache.RegistrySource( 39 "gl.xml", 40 32093, 41 "3292120320cacbc27009e7507656d7be17bb25f06876814c67eeffa369281eed") 42 43EXTENSIONS = [ 44 'GL_KHR_texture_compression_astc_ldr', 45 'GL_KHR_blend_equation_advanced', 46 'GL_KHR_blend_equation_advanced_coherent', 47 'GL_KHR_debug', 48 'GL_EXT_geometry_point_size', 49 'GL_EXT_tessellation_shader', 50 'GL_EXT_geometry_shader', 51 'GL_EXT_texture_buffer', 52 'GL_EXT_texture_snorm', 53 'GL_EXT_primitive_bounding_box', 54 'GL_OES_EGL_image', 55 'GL_OES_compressed_ETC1_RGB8_texture', 56 'GL_OES_texture_half_float', 57 'GL_OES_texture_storage_multisample_2d_array', 58 'GL_OES_sample_shading', 59 'GL_EXT_texture_compression_s3tc', 60 'GL_IMG_texture_compression_pvrtc', 61 'GL_EXT_copy_image', 62 'GL_EXT_draw_buffers_indexed', 63 'GL_EXT_texture_sRGB_decode', 64 'GL_EXT_texture_border_clamp', 65 'GL_EXT_texture_sRGB_R8', 66 'GL_EXT_texture_sRGB_RG8', 67 'GL_EXT_debug_marker', 68 'GL_EXT_robustness', 69 'GL_KHR_robustness', 70] 71 72def getGLRegistry (): 73 return khr_util.registry_cache.getRegistry(GL_SOURCE) 74 75# return the name of a core command corresponding to an extension command. 76# Ideally this should be done using the alias attribute of commands, but dEQP 77# just strips the extension suffix. 78def getCoreName (name): 79 return re.sub('[A-Z]+$', '', name) 80 81def getHybridInterface (): 82 # This is a bit awkward, since we have to create a strange hybrid 83 # interface that includes both GL and ES features and extensions. 84 registry = getGLRegistry() 85 glFeatures = registry.getFeatures('gl') 86 esFeatures = registry.getFeatures('gles2') 87 spec = khr_util.registry.InterfaceSpec() 88 89 for feature in registry.getFeatures('gl'): 90 spec.addFeature(feature, 'gl', 'core') 91 92 for feature in registry.getFeatures('gles2'): 93 spec.addFeature(feature, 'gles2') 94 95 for extName in EXTENSIONS: 96 extension = registry.extensions[extName] 97 # Add all extensions using the ES2 api, but force even non-ES2 98 # extensions to be included. 99 spec.addExtension(extension, 'gles2', 'core', force=True) 100 101 # Remove redundant extension commands that are already provided by core. 102 for commandName in list(spec.commands): 103 coreName = getCoreName(commandName) 104 if coreName != commandName and coreName in spec.commands: 105 spec.commands.remove(commandName) 106 107 return khr_util.registry.createInterface(registry, spec, 'gles2') 108 109def getInterface (registry, api, version=None, profile=None, **kwargs): 110 spec = khr_util.registry.spec(registry, api, version, profile, **kwargs) 111 if api == 'gl' and profile == 'core' and version < "3.2": 112 gl32 = registry.features['GL_VERSION_3_2'] 113 for eRemove in gl32.xpath('remove'): 114 spec.addComponent(eRemove) 115 return khr_util.registry.createInterface(registry, spec, api) 116 117def getVersionToken (api, version): 118 prefixes = { 'gles2': "ES", 'gl': "GL" } 119 return prefixes[api] + version.replace(".", "") 120 121def genCommandList(iface, renderCommand, directory, filename, align=False): 122 lines = map(renderCommand, iface.commands) 123 if align: 124 lines = indentLines(lines) 125 writeInlFile(os.path.join(directory, filename), lines) 126 127def genCommandLists(registry, renderCommand, check, directory, filePattern, align=False): 128 for eFeature in registry.features: 129 api = eFeature.get('api') 130 version = eFeature.get('number') 131 profile = check(api, version) 132 if profile is True: 133 profile = None 134 elif profile is False: 135 continue 136 iface = getInterface(registry, api, version=version, profile=profile) 137 filename = filePattern % getVersionToken(api, version) 138 genCommandList(iface, renderCommand, directory, filename, align) 139 140def getFunctionTypeName (funcName): 141 return "%sFunc" % funcName 142 143def getFunctionMemberName (funcName): 144 assert funcName[:2] == "gl" 145 if funcName[:5] == "glEGL": 146 # Otherwise we end up with gl.eGLImage... 147 return "egl%s" % funcName[5:] 148 else: 149 return "%c%s" % (funcName[2].lower(), funcName[3:]) 150 151INL_HEADER = khr_util.format.genInlHeader("Khronos GL API description (gl.xml)", GL_SOURCE.getRevision()) 152 153def writeInlFile (filename, source): 154 khr_util.format.writeInlFile(filename, INL_HEADER, source) 155 156# Aliases from khr_util.common 157indentLines = khr_util.format.indentLines 158normalizeConstant = khr_util.format.normalizeConstant 159commandParams = khr_util.format.commandParams 160commandArgs = khr_util.format.commandArgs 161