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46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkTrace_DEFINED
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#define SkTrace_DEFINED
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#ifdef SK_USER_TRACE_INCLUDE_FILE
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/* If your system embeds skia and has complex event logging, in
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src/config/SkUserConfig.h:
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- define the three SK_TRACE_EVENT macros to map to your system's
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equivalents,
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- define the name of the include file in SK_USER_TRACE_INCLUDE_FILE
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A trivial example is given in src/utils/SkDebugTrace.h.
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All arguments are const char*. Skia typically passes the name of
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the object and function (and sometimes region of interest within
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the function) separated by double colons for 'event'.
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SK_TRACE_EVENT1 and SK_TRACE_EVENT2 take one or two arbitrary
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name-value pairs that you also want to log. SkStringPrintf() is useful
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for formatting these values.
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For example:
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SK_TRACE_EVENT0("GrContext::createAndLockTexture");
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SK_TRACE_EVENT1("GrDefaultPathRenderer::onDrawPath::renderPasses",
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"verts", SkStringPrintf("%i", vert - base).c_str());
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*/
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#include SK_USER_TRACE_INCLUDE_FILE
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#else
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#define SK_TRACE_EVENT0(event)
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#define SK_TRACE_EVENT1(event, name1, value1)
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#define SK_TRACE_EVENT2(event, name1, value1, name2, value2)
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#endif
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#endif
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