672d5c2014
Review URL: https://codereview.appspot.com/6826074/ git-svn-id: http://skia.googlecode.com/svn/trunk@6976 2bbb7eff-a529-9590-31e7-b0007b416f81
335 lines
9.6 KiB
C
335 lines
9.6 KiB
C
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/*
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* Copyright 2006 The Android Open Source Project
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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 SkPostConfig_DEFINED
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#define SkPostConfig_DEFINED
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#if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_WINCE)
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#define SK_BUILD_FOR_WIN
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#endif
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#if defined(SK_DEBUG) && defined(SK_RELEASE)
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#error "cannot define both SK_DEBUG and SK_RELEASE"
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#elif !defined(SK_DEBUG) && !defined(SK_RELEASE)
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#error "must define either SK_DEBUG or SK_RELEASE"
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#endif
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#if defined SK_SUPPORT_UNITTEST && !defined(SK_DEBUG)
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#error "can't have unittests without debug"
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#endif
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#if defined(SK_SCALAR_IS_FIXED) && defined(SK_SCALAR_IS_FLOAT)
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#error "cannot define both SK_SCALAR_IS_FIXED and SK_SCALAR_IS_FLOAT"
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#elif !defined(SK_SCALAR_IS_FIXED) && !defined(SK_SCALAR_IS_FLOAT)
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#define SK_SCALAR_IS_FLOAT
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#endif
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#if defined(SK_MSCALAR_IS_DOUBLE) && defined(SK_MSCALAR_IS_FLOAT)
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#error "cannot define both SK_MSCALAR_IS_DOUBLE and SK_MSCALAR_IS_FLOAT"
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#elif !defined(SK_MSCALAR_IS_DOUBLE) && !defined(SK_MSCALAR_IS_FLOAT)
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// default is double, as that is faster given our impl uses doubles
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// for intermediate calculations.
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#define SK_MSCALAR_IS_DOUBLE
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#endif
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#if defined(SK_CPU_LENDIAN) && defined(SK_CPU_BENDIAN)
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#error "cannot define both SK_CPU_LENDIAN and SK_CPU_BENDIAN"
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#elif !defined(SK_CPU_LENDIAN) && !defined(SK_CPU_BENDIAN)
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#error "must define either SK_CPU_LENDIAN or SK_CPU_BENDIAN"
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#endif
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// ensure the port has defined all of these, or none of them
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#ifdef SK_A32_SHIFT
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#if !defined(SK_R32_SHIFT) || !defined(SK_G32_SHIFT) || !defined(SK_B32_SHIFT)
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#error "all or none of the 32bit SHIFT amounts must be defined"
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#endif
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#else
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#if defined(SK_R32_SHIFT) || defined(SK_G32_SHIFT) || defined(SK_B32_SHIFT)
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#error "all or none of the 32bit SHIFT amounts must be defined"
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#endif
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#endif
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#if !defined(SK_HAS_COMPILER_FEATURE)
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#if defined(__has_feature)
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#define SK_HAS_COMPILER_FEATURE(x) __has_feature(x)
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#else
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#define SK_HAS_COMPILER_FEATURE(x) 0
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#endif
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#endif
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#if !defined(SK_SUPPORT_GPU)
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#define SK_SUPPORT_GPU 1
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#endif
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/**
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* The clang static analyzer likes to know that when the program is not
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* expected to continue (crash, assertion failure, etc). It will notice that
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* some combination of parameters lead to a function call that does not return.
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* It can then make appropriate assumptions about the parameters in code
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* executed only if the non-returning function was *not* called.
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*/
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#if !defined(SkNO_RETURN_HINT)
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#if SK_HAS_COMPILER_FEATURE(attribute_analyzer_noreturn)
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static inline void SkNO_RETURN_HINT() __attribute__((analyzer_noreturn));
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static inline void SkNO_RETURN_HINT() {}
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#else
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#define SkNO_RETURN_HINT() do {} while (false)
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#endif
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#endif
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#if defined(SK_ZLIB_INCLUDE) && defined(SK_SYSTEM_ZLIB)
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#error "cannot define both SK_ZLIB_INCLUDE and SK_SYSTEM_ZLIB"
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#elif defined(SK_ZLIB_INCLUDE) || defined(SK_SYSTEM_ZLIB)
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#define SK_HAS_ZLIB
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#endif
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///////////////////////////////////////////////////////////////////////////////
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#ifndef SkNEW
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#define SkNEW(type_name) new type_name
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#define SkNEW_ARGS(type_name, args) new type_name args
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#define SkNEW_ARRAY(type_name, count) new type_name[count]
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#define SkNEW_PLACEMENT(buf, type_name) new (buf) type_name
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#define SkNEW_PLACEMENT_ARGS(buf, type_name, args) \
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new (buf) type_name args
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#define SkDELETE(obj) delete obj
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#define SkDELETE_ARRAY(array) delete[] array
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#endif
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#ifndef SK_CRASH
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#if 1 // set to 0 for infinite loop, which can help connecting gdb
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#define SK_CRASH() do { SkNO_RETURN_HINT(); *(int *)(uintptr_t)0xbbadbeef = 0; } while (false)
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#else
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#define SK_CRASH() do { SkNO_RETURN_HINT(); } while (true)
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#endif
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#endif
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///////////////////////////////////////////////////////////////////////////////
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#if defined(SK_SOFTWARE_FLOAT) && defined(SK_SCALAR_IS_FLOAT)
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// if this is defined, we convert floats to 2scompliment ints for compares
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#ifndef SK_SCALAR_SLOW_COMPARES
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#define SK_SCALAR_SLOW_COMPARES
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#endif
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#ifndef SK_USE_FLOATBITS
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#define SK_USE_FLOATBITS
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#endif
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#endif
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#ifdef SK_BUILD_FOR_WIN
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// we want lean_and_mean when we include windows.h
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#define WIN32_IS_MEAN_WAS_LOCALLY_DEFINED
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#endif
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#include <windows.h>
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#ifdef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED
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#undef WIN32_LEAN_AND_MEAN
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#endif
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#ifndef SK_DEBUGBREAK
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#define SK_DEBUGBREAK(cond) do { if (!(cond)) { SkNO_RETURN_HINT(); __debugbreak(); }} while (false)
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#endif
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#ifndef SK_A32_SHIFT
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#define SK_A32_SHIFT 24
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#define SK_R32_SHIFT 16
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#define SK_G32_SHIFT 8
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#define SK_B32_SHIFT 0
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#endif
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#elif defined(SK_BUILD_FOR_MAC)
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#ifndef SK_DEBUGBREAK
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#define SK_DEBUGBREAK(cond) do { if (!(cond)) SK_CRASH(); } while (false)
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#endif
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#else
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#ifdef SK_DEBUG
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#include <stdio.h>
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#ifndef SK_DEBUGBREAK
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#define SK_DEBUGBREAK(cond) do { if (cond) break; \
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SkDebugf("%s:%d: failed assertion \"%s\"\n", \
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__FILE__, __LINE__, #cond); SK_CRASH(); } while (false)
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#endif
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#endif
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#endif
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/*
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* We check to see if the SHIFT value has already been defined.
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* if not, we define it ourself to some default values. We default to OpenGL
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* order (in memory: r,g,b,a)
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*/
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#ifndef SK_A32_SHIFT
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#ifdef SK_CPU_BENDIAN
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#define SK_R32_SHIFT 24
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#define SK_G32_SHIFT 16
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#define SK_B32_SHIFT 8
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#define SK_A32_SHIFT 0
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#else
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#define SK_R32_SHIFT 0
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#define SK_G32_SHIFT 8
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#define SK_B32_SHIFT 16
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#define SK_A32_SHIFT 24
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#endif
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#endif
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// stdlib macros
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#if 0
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#if !defined(strlen) && defined(SK_DEBUG)
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extern size_t sk_strlen(const char*);
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#define strlen(s) sk_strlen(s)
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#endif
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#ifndef sk_strcpy
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#define sk_strcpy(dst, src) strcpy(dst, src)
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#endif
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#ifndef sk_strchr
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#define sk_strchr(s, c) strchr(s, c)
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#endif
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#ifndef sk_strrchr
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#define sk_strrchr(s, c) strrchr(s, c)
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#endif
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#ifndef sk_strcmp
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#define sk_strcmp(s, t) strcmp(s, t)
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#endif
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#ifndef sk_strncmp
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#define sk_strncmp(s, t, n) strncmp(s, t, n)
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#endif
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#ifndef sk_memcpy
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#define sk_memcpy(dst, src, n) memcpy(dst, src, n)
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#endif
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#ifndef memmove
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#define memmove(dst, src, n) memmove(dst, src, n)
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#endif
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#ifndef sk_memset
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#define sk_memset(dst, val, n) memset(dst, val, n)
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#endif
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#ifndef sk_memcmp
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#define sk_memcmp(s, t, n) memcmp(s, t, n)
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#endif
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#define sk_strequal(s, t) (!sk_strcmp(s, t))
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#define sk_strnequal(s, t, n) (!sk_strncmp(s, t, n))
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#endif
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//////////////////////////////////////////////////////////////////////
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#if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_MAC)
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#ifndef SkLONGLONG
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#ifdef SK_BUILD_FOR_WIN32
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#define SkLONGLONG __int64
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#else
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#define SkLONGLONG long long
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#endif
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#endif
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef SK_BUILD_FOR_WINCE
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#include <string.h>
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#include <stdlib.h>
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#else
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#define _CMNINTRIN_DECLARE_ONLY
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#include "cmnintrin.h"
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#endif
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#if defined SK_DEBUG && defined SK_BUILD_FOR_WIN32
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//#define _CRTDBG_MAP_ALLOC
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#ifdef free
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#undef free
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#endif
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#include <crtdbg.h>
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#undef free
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#ifdef SK_DEBUGx
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#if defined(SK_SIMULATE_FAILED_MALLOC) && defined(__cplusplus)
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void * operator new(
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size_t cb,
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int nBlockUse,
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const char * szFileName,
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int nLine,
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int foo
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);
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void * operator new[](
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size_t cb,
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int nBlockUse,
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const char * szFileName,
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int nLine,
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int foo
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);
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void operator delete(
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void *pUserData,
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int, const char*, int, int
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);
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void operator delete(
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void *pUserData
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);
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void operator delete[]( void * p );
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#define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__, 0)
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#else
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#define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__)
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#endif
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#define new DEBUG_CLIENTBLOCK
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#else
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#define DEBUG_CLIENTBLOCK
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#endif // _DEBUG
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#endif
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#endif
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//////////////////////////////////////////////////////////////////////
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#ifndef SK_OVERRIDE
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#if defined(_MSC_VER)
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#define SK_OVERRIDE override
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#elif defined(__clang__) && !defined(SK_BUILD_FOR_IOS)
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#if __has_feature(cxx_override_control)
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// Some documentation suggests we should be using __attribute__((override)),
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// but it doesn't work.
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#define SK_OVERRIDE override
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#elif defined(__has_extension)
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#if __has_extension(cxx_override_control)
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#define SK_OVERRIDE override
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#endif
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#endif
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#else
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// Linux GCC ignores "__attribute__((override))" and rejects "override".
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#define SK_OVERRIDE
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#endif
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#endif
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//////////////////////////////////////////////////////////////////////
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#ifndef SK_PRINTF_LIKE
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#if defined(__clang__) || defined(__GNUC__)
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#define SK_PRINTF_LIKE(A, B) __attribute__((format(printf, (A), (B))))
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#else
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#define SK_PRINTF_LIKE(A, B)
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#endif
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#endif
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//////////////////////////////////////////////////////////////////////
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#ifndef SK_SIZE_T_SPECIFIER
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#if defined(_MSC_VER)
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#define SK_SIZE_T_SPECIFIER "%Iu"
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#else
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#define SK_SIZE_T_SPECIFIER "%zu"
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#endif
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#endif
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//////////////////////////////////////////////////////////////////////
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#ifndef SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
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#define SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 1
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#endif
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