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##########################################################################
#
# Copyright 2011 LunarG, Inc.
# All Rights Reserved.
#
# Based on glxtrace.py, which has
#
# Copyright 2011 Jose Fonseca
# Copyright 2008-2010 VMware, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
##########################################################################/
"""EGL tracing generator."""
from specs.stdapi import API
from specs.glapi import glapi
from specs.eglapi import eglapi
from specs.glesapi import glesapi
from gltrace import GlTracer
from dispatch import function_pointer_type, function_pointer_value
class EglTracer(GlTracer):
def is_public_function(self, function):
# The symbols visible in libEGL.so can vary, so expose them all
return True
def trace_function_impl_body(self, function):
GlTracer.trace_function_impl_body(self, function)
if function.name == 'eglMakeCurrent':
print ' // update the profile'
print ' if (ctx != EGL_NO_CONTEXT) {'
print ' EGLint api = EGL_OPENGL_ES_API, version = 1;'
print ' tracer_context *tr = __get_context();'
print ' __eglQueryContext(dpy, ctx, EGL_CONTEXT_CLIENT_TYPE, &api);'
print ' __eglQueryContext(dpy, ctx, EGL_CONTEXT_CLIENT_VERSION, &version);'
print ' if (api == EGL_OPENGL_API)'
print ' tr->profile = PROFILE_COMPAT;'
print ' else if (version == 1)'
print ' tr->profile = PROFILE_ES1;'
print ' else'
print ' tr->profile = PROFILE_ES2;'
print ' }'
def wrap_ret(self, function, instance):
GlTracer.wrap_ret(self, function, instance)
if function.name == "eglGetProcAddress":
print ' %s = __unwrap_proc_addr(procname, %s);' % (instance, instance)
if __name__ == '__main__':
print '#include <stdlib.h>'
print '#include <string.h>'
print '#include <dlfcn.h>'
print
print '#include "trace_writer.hpp"'
print
print '// To validate our prototypes'
print '#define GL_GLEXT_PROTOTYPES'
print '#define EGL_EGLEXT_PROTOTYPES'
print
print '#include "glproc.hpp"'
print '#include "glsize.hpp"'
print
print 'static __eglMustCastToProperFunctionPointerType __unwrap_proc_addr(const char * procname, __eglMustCastToProperFunctionPointerType procPtr);'
print
api = API()
api.add_api(eglapi)
api.add_api(glapi)
api.add_api(glesapi)
tracer = EglTracer()
tracer.trace_api(api)
print 'static __eglMustCastToProperFunctionPointerType __unwrap_proc_addr(const char * procname, __eglMustCastToProperFunctionPointerType procPtr) {'
print ' if (!procPtr) {'
print ' return procPtr;'
print ' }'
for f in api.functions:
ptype = function_pointer_type(f)
pvalue = function_pointer_value(f)
print ' if (!strcmp("%s", procname)) {' % f.name
print ' %s = (%s)procPtr;' % (pvalue, ptype)
print ' return (__eglMustCastToProperFunctionPointerType)&%s;' % (f.name,)
print ' }'
print ' os::log("apitrace: warning: unknown function \\"%s\\"\\n", procname);'
print ' return procPtr;'
print '}'
print
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