+ # Emit a fake memcpy on buffer uploads
+ if function.name in ('glUnmapBuffer', 'glUnmapBufferARB', ):
+ print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
+ print ' if (mapping && mapping->write && !mapping->explicit_flush) {'
+ self.emit_memcpy('mapping->map', 'mapping->map', 'mapping->length')
+ print ' }'
+ if function.name in ('glFlushMappedBufferRange', 'glFlushMappedBufferRangeAPPLE'):
+ # TODO: avoid copying [0, offset] bytes
+ print ' struct buffer_mapping *mapping = get_buffer_mapping(target);'
+ print ' if (mapping) {'
+ if function.name.endswith('APPLE'):
+ print ' GLsizeiptr length = size;'
+ print ' mapping->explicit_flush = true;'
+ print ' //assert(offset + length <= mapping->length);'
+ self.emit_memcpy('mapping->map', 'mapping->map', 'offset + length')
+ print ' }'
+ # FIXME: glFlushMappedNamedBufferRangeEXT
+
+ # Don't leave vertex attrib locations to chance. Instead emit fake
+ # glBindAttribLocation calls to ensure that the same locations will be
+ # used when retracing. Trying to remap locations after the fact would
+ # be an herculian task given that vertex attrib locations appear in
+ # many entry-points, including non-shader related ones.
+ if function.name == 'glLinkProgram':
+ Tracer.dispatch_function(self, function)
+ print ' GLint active_attributes = 0;'
+ print ' __glGetProgramiv(program, GL_ACTIVE_ATTRIBUTES, &active_attributes);'
+ print ' for (GLuint attrib = 0; attrib < active_attributes; ++attrib) {'
+ print ' GLint size = 0;'
+ print ' GLenum type = 0;'
+ print ' GLchar name[256];'
+ # TODO: Use ACTIVE_ATTRIBUTE_MAX_LENGTH instead of 256
+ print ' __glGetActiveAttrib(program, attrib, sizeof name, NULL, &size, &type, name);'
+ print " if (name[0] != 'g' || name[1] != 'l' || name[2] != '_') {"
+ print ' GLint location = __glGetAttribLocation(program, name);'
+ print ' if (location >= 0) {'
+ bind_function = glapi.glapi.get_function_by_name('glBindAttribLocation')
+ self.fake_call(bind_function, ['program', 'location', 'name'])
+ print ' }'
+ print ' }'
+ print ' }'
+ if function.name == 'glLinkProgramARB':
+ Tracer.dispatch_function(self, function)
+ print ' GLint active_attributes = 0;'
+ print ' __glGetObjectParameterivARB(programObj, GL_OBJECT_ACTIVE_ATTRIBUTES_ARB, &active_attributes);'
+ print ' for (GLuint attrib = 0; attrib < active_attributes; ++attrib) {'
+ print ' GLint size = 0;'
+ print ' GLenum type = 0;'
+ print ' GLcharARB name[256];'
+ # TODO: Use ACTIVE_ATTRIBUTE_MAX_LENGTH instead of 256
+ print ' __glGetActiveAttribARB(programObj, attrib, sizeof name, NULL, &size, &type, name);'
+ print " if (name[0] != 'g' || name[1] != 'l' || name[2] != '_') {"
+ print ' GLint location = __glGetAttribLocationARB(programObj, name);'
+ print ' if (location >= 0) {'
+ bind_function = glapi.glapi.get_function_by_name('glBindAttribLocationARB')
+ self.fake_call(bind_function, ['programObj', 'location', 'name'])
+ print ' }'
+ print ' }'
+ print ' }'