+ getProcAddressFunctionNames = []
+
+ def traceApi(self, api):
+ if self.getProcAddressFunctionNames:
+ # Generate a function to wrap proc addresses
+ getProcAddressFunction = api.getFunctionByName(self.getProcAddressFunctionNames[0])
+ argType = getProcAddressFunction.args[0].type
+ retType = getProcAddressFunction.type
+
+ print 'static %s _wrapProcAddress(%s procName, %s procPtr);' % (retType, argType, retType)
+ print
+
+ Tracer.traceApi(self, api)
+
+ print 'static %s _wrapProcAddress(%s procName, %s procPtr) {' % (retType, argType, retType)
+ print ' if (!procPtr) {'
+ print ' return procPtr;'
+ print ' }'
+ for function in api.getAllFunctions():
+ ptype = function_pointer_type(function)
+ pvalue = function_pointer_value(function)
+ print ' if (strcmp("%s", (const char *)procName) == 0) {' % function.name
+ print ' %s = (%s)procPtr;' % (pvalue, ptype)
+ print ' return (%s)&%s;' % (retType, function.name,)
+ print ' }'
+ print ' os::log("apitrace: warning: unknown function \\"%s\\"\\n", (const char *)procName);'
+ print ' return procPtr;'
+ print '}'
+ print
+ else:
+ Tracer.traceApi(self, api)
+
+ def defineShadowBufferHelper(self):
+ print 'void _shadow_glGetBufferSubData(GLenum target, GLintptr offset,'
+ print ' GLsizeiptr size, GLvoid *data)'
+ print '{'
+ print ' gltrace::Context *ctx = gltrace::getContext();'
+ print ' if (!ctx->needsShadowBuffers() || target != GL_ELEMENT_ARRAY_BUFFER) {'
+ print ' _glGetBufferSubData(target, offset, size, data);'
+ print ' return;'
+ print ' }'
+ print
+ print ' GLint buffer_binding = 0;'
+ print ' _glGetIntegerv(target, &buffer_binding);'
+ print ' if (buffer_binding > 0) {'
+ print ' gltrace::Buffer & buf = ctx->buffers[buffer_binding];'
+ print ' buf.getSubData(offset, size, data);'
+ print ' }'
+ print '}'
+
+ def shadowBufferMethod(self, method):
+ # Emit code to fetch the shadow buffer, and invoke a method
+ print ' gltrace::Context *ctx = gltrace::getContext();'
+ print ' if (ctx->needsShadowBuffers() && target == GL_ELEMENT_ARRAY_BUFFER) {'
+ print ' GLint buffer_binding = 0;'
+ print ' _glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &buffer_binding);'
+ print ' if (buffer_binding > 0) {'
+ print ' gltrace::Buffer & buf = ctx->buffers[buffer_binding];'
+ print ' buf.' + method + ';'
+ print ' }'
+ print ' }'
+ print
+
+ def shadowBufferProlog(self, function):
+ if function.name == 'glBufferData':
+ self.shadowBufferMethod('bufferData(size, data)')
+
+ if function.name == 'glBufferSubData':
+ self.shadowBufferMethod('bufferSubData(offset, size, data)')
+
+ if function.name == 'glDeleteBuffers':
+ print ' gltrace::Context *ctx = gltrace::getContext();'
+ print ' if (ctx->needsShadowBuffers()) {'
+ print ' for (GLsizei i = 0; i < n; i++) {'
+ print ' ctx->buffers.erase(buffer[i]);'
+ print ' }'
+ print ' }'
+