scripts/opengl/gen_null_render_context.py

   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
  23 from src_util import *
  24
  25 # Functions that have special implementation
  26 OVERRIDE_FUNCS = set([
  27         "glGetError",
  28         "glGetIntegerv",
  29         "glGetBooleanv",
  30         "glGetFloatv",
  31         "glGetString",
  32         "glGetStringi",
  33         "glCreateShader",
  34         "glCreateProgram",
  35         "glGetShaderiv",
  36         "glGetProgramiv",
  37         "glGenTextures",
  38         "glGenQueries",
  39         "glGenBuffers",
  40         "glGenRenderbuffers",
  41         "glGenFramebuffers",
  42         "glGenVertexArrays",
  43         "glGenSamplers",
  44         "glGenTransformFeedbacks",
  45         "glGenProgramPipelines",
  46         "glGetInternalformativ",
  47         "glMapBufferRange",
  48         "glCheckFramebufferStatus",
  49         "glReadPixels",
  50         "glBindBuffer",
  51         "glDeleteBuffers",
  52         "glGetAttribLocation",
  53 ])
  54
  55 NULL_PLATFORM_DIR = os.path.normpath(os.path.join(SCRIPTS_DIR, "..", "..", "framework", "platform", "null"))
  56
  57 def commandDummyImpl (command):
  58         if command.name in OVERRIDE_FUNCS:
  59                 return None
  60         template = """
  61 GLW_APICALL {returnType} GLW_APIENTRY {commandName} ({paramDecls})
  62 {{
  63 {body}{maybeReturn}
  64 }}"""
  65         return template.format(
  66                 returnType      = command.type,
  67                 commandName     = command.name,
  68                 paramDecls      = commandParams(command),
  69                 body            = ''.join("\tDE_UNREF(%s);\n" % p.name for p in command.params),
  70                 maybeReturn = "\n\treturn (%s)0;" % command.type if command.type != 'void' else "")
  71
  72 def commandInitStatement (command):
  73         return "gl->%s\t= %s;" % (getFunctionMemberName(command.name), command.name)
  74
  75 def genNullRenderContext (iface):
  76         genCommandList(iface, commandInitStatement,
  77                                    directory    = NULL_PLATFORM_DIR,
  78                                    filename             = "tcuNullRenderContextInitFuncs.inl",
  79                                    align                = True)
  80         genCommandList(iface, commandDummyImpl,
  81                                    directory    = NULL_PLATFORM_DIR,
  82                                    filename             = "tcuNullRenderContextFuncs.inl")
  83
  84 if __name__ == "__main__":
  85         genNullRenderContext(getHybridInterface())