1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 #ifndef SkTrace_DEFINED 10 #define SkTrace_DEFINED 11 12 #ifdef SK_USER_TRACE_INCLUDE_FILE 13 14 /* If your system embeds skia and has complex event logging, in 15 src/config/SkUserConfig.h: 16 - define the three SK_TRACE_EVENT macros to map to your system's 17 equivalents, 18 - define the name of the include file in SK_USER_TRACE_INCLUDE_FILE 19 A trivial example is given in src/utils/SkDebugTrace.h. 20 21 All arguments are const char*. Skia typically passes the name of 22 the object and function (and sometimes region of interest within 23 the function) separated by double colons for 'event'. 24 25 SK_TRACE_EVENT1 and SK_TRACE_EVENT2 take one or two arbitrary 26 name-value pairs that you also want to log. SkStringPrintf() is useful 27 for formatting these values. 28 29 For example: 30 SK_TRACE_EVENT0("GrContext::createAndLockTexture"); 31 SK_TRACE_EVENT1("GrDefaultPathRenderer::onDrawPath::renderPasses", 32 "verts", SkStringPrintf("%i", vert - base).c_str()); 33 */ 34 35 #include SK_USER_TRACE_INCLUDE_FILE 36 37 #else 38 39 #define SK_TRACE_EVENT0(event) 40 #define SK_TRACE_EVENT1(event, name1, value1) 41 #define SK_TRACE_EVENT2(event, name1, value1, name2, value2) 42 43 #endif 44 45 #endif 46 47 48
