michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef SkPreConfig_DEFINED
michael@0: #define SkPreConfig_DEFINED
michael@0: 
michael@0: #ifdef WEBKIT_VERSION_MIN_REQUIRED
michael@0:     #include "config.h"
michael@0: #endif
michael@0: 
michael@0: // Allows embedders that want to disable macros that take arguments to just
michael@0: // define that symbol to be one of these
michael@0: //
michael@0: #define SK_NOTHING_ARG1(arg1)
michael@0: #define SK_NOTHING_ARG2(arg1, arg2)
michael@0: #define SK_NOTHING_ARG3(arg1, arg2, arg3)
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #if !defined(SK_BUILD_FOR_ANDROID) && !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_PALM) && !defined(SK_BUILD_FOR_WINCE) && !defined(SK_BUILD_FOR_WIN32) && !defined(SK_BUILD_FOR_UNIX) && !defined(SK_BUILD_FOR_MAC) && !defined(SK_BUILD_FOR_SDL) && !defined(SK_BUILD_FOR_BREW) && !defined(SK_BUILD_FOR_NACL)
michael@0: 
michael@0:     #ifdef __APPLE__
michael@0:         #include "TargetConditionals.h"
michael@0:     #endif
michael@0: 
michael@0:     #if defined(PALMOS_SDK_VERSION)
michael@0:         #define SK_BUILD_FOR_PALM
michael@0:     #elif defined(UNDER_CE)
michael@0:         #define SK_BUILD_FOR_WINCE
michael@0:     #elif defined(WIN32)
michael@0:         #define SK_BUILD_FOR_WIN32
michael@0:     #elif defined(__SYMBIAN32__)
michael@0:         #define SK_BUILD_FOR_WIN32
michael@0:     #elif defined(ANDROID)
michael@0:         #define SK_BUILD_FOR_ANDROID
michael@0:     #elif defined(linux) || defined(__FreeBSD__) || defined(__OpenBSD__) || \
michael@0:           defined(__sun) || defined(__NetBSD__) || defined(__DragonFly__) || \
michael@0:           defined(__GLIBC__) || defined(__GNU__)
michael@0:         #define SK_BUILD_FOR_UNIX
michael@0:     #elif TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
michael@0:         #define SK_BUILD_FOR_IOS
michael@0:     #else
michael@0:         #define SK_BUILD_FOR_MAC
michael@0:     #endif
michael@0: 
michael@0: #endif
michael@0: 
michael@0: /* Even if the user only defined the framework variant we still need to build
michael@0:  * the default (NDK-compliant) Android code. Therefore, when attempting to
michael@0:  * include/exclude something from the framework variant check first that we are
michael@0:  * building for Android then check the status of the framework define.
michael@0:  */
michael@0: #if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) && !defined(SK_BUILD_FOR_ANDROID)
michael@0:     #define SK_BUILD_FOR_ANDROID
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #if !defined(SK_DEBUG) && !defined(SK_RELEASE)
michael@0:     #ifdef NDEBUG
michael@0:         #define SK_RELEASE
michael@0:     #else
michael@0:         #define SK_DEBUG
michael@0:     #endif
michael@0: #endif
michael@0: 
michael@0: #ifdef SK_BUILD_FOR_WIN32
michael@0:     #if !defined(SK_RESTRICT)
michael@0:         #define SK_RESTRICT __restrict
michael@0:     #endif
michael@0:     #if !defined(SK_WARN_UNUSED_RESULT)
michael@0:         #define SK_WARN_UNUSED_RESULT
michael@0:     #endif
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #if !defined(SK_RESTRICT)
michael@0:     #define SK_RESTRICT __restrict__
michael@0: #endif
michael@0: 
michael@0: #if !defined(SK_WARN_UNUSED_RESULT)
michael@0:     #define SK_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #if !defined(SK_CPU_BENDIAN) && !defined(SK_CPU_LENDIAN)
michael@0:     #if defined (__ppc__) || defined(__PPC__) || defined(__ppc64__) \
michael@0:         || defined(__PPC64__)
michael@0:         #define SK_CPU_BENDIAN
michael@0:     #else
michael@0:         #define SK_CPU_LENDIAN
michael@0:     #endif
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: /**
michael@0:  *  SK_CPU_SSE_LEVEL
michael@0:  *
michael@0:  *  If defined, SK_CPU_SSE_LEVEL should be set to the highest supported level.
michael@0:  *  On non-intel CPU this should be undefined.
michael@0:  */
michael@0: 
michael@0: #define SK_CPU_SSE_LEVEL_SSE1     10
michael@0: #define SK_CPU_SSE_LEVEL_SSE2     20
michael@0: #define SK_CPU_SSE_LEVEL_SSE3     30
michael@0: #define SK_CPU_SSE_LEVEL_SSSE3    31
michael@0: 
michael@0: // Are we in GCC?
michael@0: #ifndef SK_CPU_SSE_LEVEL
michael@0:     // These checks must be done in descending order to ensure we set the highest
michael@0:     // available SSE level.
michael@0:     #if defined(__SSSE3__)
michael@0:         #define SK_CPU_SSE_LEVEL    SK_CPU_SSE_LEVEL_SSSE3
michael@0:     #elif defined(__SSE3__)
michael@0:         #define SK_CPU_SSE_LEVEL    SK_CPU_SSE_LEVEL_SSE3
michael@0:     #elif defined(__SSE2__)
michael@0:         #define SK_CPU_SSE_LEVEL    SK_CPU_SSE_LEVEL_SSE2
michael@0:     #endif
michael@0: #endif
michael@0: 
michael@0: // Are we in VisualStudio?
michael@0: #ifndef SK_CPU_SSE_LEVEL
michael@0:     // These checks must be done in descending order to ensure we set the highest
michael@0:     // available SSE level.
michael@0:     #if defined (_M_IX86_FP)
michael@0:         #if _M_IX86_FP >= 2
michael@0:             #define SK_CPU_SSE_LEVEL    SK_CPU_SSE_LEVEL_SSE2
michael@0:         #elif _M_IX86_FP == 1
michael@0:             #define SK_CPU_SSE_LEVEL    SK_CPU_SSE_LEVEL_SSE1
michael@0:         #endif
michael@0:     #endif
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: // ARM defines
michael@0: 
michael@0: #if defined(__arm__) && (!defined(__APPLE__) || !TARGET_IPHONE_SIMULATOR)
michael@0:     #define SK_CPU_ARM
michael@0: 
michael@0:     #if defined(__GNUC__)
michael@0:         #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
michael@0:                 || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
michael@0:                 || defined(__ARM_ARCH_7EM__) || defined(_ARM_ARCH_7)
michael@0:             #define SK_ARM_ARCH 7
michael@0:         #elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
michael@0:                 || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \
michael@0:                 || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) \
michael@0:                 || defined(__ARM_ARCH_6M__) || defined(_ARM_ARCH_6)
michael@0:             #define SK_ARM_ARCH 6
michael@0:         #elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) \
michael@0:                 || defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) \
michael@0:                 || defined(__ARM_ARCH_5TEJ__) || defined(_ARM_ARCH_5)
michael@0:             #define SK_ARM_ARCH 5
michael@0:         #elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) || defined(_ARM_ARCH_4)
michael@0:             #define SK_ARM_ARCH 4
michael@0:         #else
michael@0:             #define SK_ARM_ARCH 3
michael@0:         #endif
michael@0: 
michael@0:         #if defined(__thumb2__) && (SK_ARM_ARCH >= 6) \
michael@0:                 || !defined(__thumb__) && ((SK_ARM_ARCH > 5) || defined(__ARM_ARCH_5E__) \
michael@0:                 || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__))
michael@0:             #define SK_ARM_HAS_EDSP
michael@0:         #endif
michael@0:     #endif
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #if !defined(SKIA_IMPLEMENTATION)
michael@0:     #define SKIA_IMPLEMENTATION 0
michael@0: #endif
michael@0: 
michael@0: #if defined(SKIA_DLL)
michael@0:     #if defined(WIN32)
michael@0:         #if SKIA_IMPLEMENTATION
michael@0:             #define SK_API __declspec(dllexport)
michael@0:         #else
michael@0:             #define SK_API __declspec(dllimport)
michael@0:         #endif
michael@0:     #else
michael@0:         #define SK_API __attribute__((visibility("default")))
michael@0:     #endif
michael@0: #else
michael@0:     #define SK_API
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: /**
michael@0:  * Use SK_PURE_FUNC as an attribute to indicate that a function's
michael@0:  * return value only depends on the value of its parameters. This
michael@0:  * can help the compiler optimize out successive calls.
michael@0:  *
michael@0:  * Usage:
michael@0:  *      void  function(int params)  SK_PURE_FUNC;
michael@0:  */
michael@0: #if defined(__GNUC__)
michael@0: #  define  SK_PURE_FUNC  __attribute__((pure))
michael@0: #else
michael@0: #  define  SK_PURE_FUNC  /* nothing */
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: /**
michael@0:  * SK_HAS_ATTRIBUTE(<name>) should return true iff the compiler
michael@0:  * supports __attribute__((<name>)). Mostly important because
michael@0:  * Clang doesn't support all of GCC attributes.
michael@0:  */
michael@0: #if defined(__has_attribute)
michael@0: #   define SK_HAS_ATTRIBUTE(x) __has_attribute(x)
michael@0: #elif defined(__GNUC__)
michael@0: #   define SK_HAS_ATTRIBUTE(x) 1
michael@0: #else
michael@0: #   define SK_HAS_ATTRIBUTE(x) 0
michael@0: #endif
michael@0: 
michael@0: /**
michael@0:  * SK_ATTRIBUTE_OPTIMIZE_O1 can be used as a function attribute
michael@0:  * to specify individual optimization level of -O1, if the compiler
michael@0:  * supports it.
michael@0:  *
michael@0:  * NOTE: Clang/ARM (r161757) does not support the 'optimize' attribute.
michael@0:  */
michael@0: #if SK_HAS_ATTRIBUTE(optimize)
michael@0: #   define SK_ATTRIBUTE_OPTIMIZE_O1 __attribute__((optimize("O1")))
michael@0: #else
michael@0: #   define SK_ATTRIBUTE_OPTIMIZE_O1 /* nothing */
michael@0: #endif
michael@0: 
michael@0: #endif