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/*
* Copyright 2006 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPreConfig_DEFINED
#define SkPreConfig_DEFINED
#ifdef WEBKIT_VERSION_MIN_REQUIRED
#include "config.h"
#endif
//////////////////////////////////////////////////////////////////////
#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)
#ifdef __APPLE__
#include "TargetConditionals.h"
#endif
#if defined(PALMOS_SDK_VERSION)
#define SK_BUILD_FOR_PALM
#elif defined(UNDER_CE)
#define SK_BUILD_FOR_WINCE
#elif defined(WIN32)
#define SK_BUILD_FOR_WIN32
#elif defined(__SYMBIAN32__)
#define SK_BUILD_FOR_WIN32
#elif defined(ANDROID)
#define SK_BUILD_FOR_ANDROID
#elif defined(linux) || defined(__FreeBSD__) || defined(__OpenBSD__) || \
defined(__sun) || defined(__NetBSD__) || defined(__DragonFly__) || \
defined(__GLIBC__) || defined(__GNU__)
#define SK_BUILD_FOR_UNIX
#elif TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
#define SK_BUILD_FOR_IOS
#else
#define SK_BUILD_FOR_MAC
#endif
#endif
/* Even if the user only defined the framework variant we still need to build
* the default (NDK-compliant) Android code. Therefore, when attempting to
* include/exclude something from the framework variant check first that we are
* building for Android then check the status of the framework define.
*/
#if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) && !defined(SK_BUILD_FOR_ANDROID)
#define SK_BUILD_FOR_ANDROID
#endif
// USE_CHROMIUM_SKIA is defined when building Skia for the Chromium
// browser.
#if defined(USE_CHROMIUM_SKIA)
#define SK_BUILD_FOR_CHROMIUM
#endif
//////////////////////////////////////////////////////////////////////
#if !defined(SK_DEBUG) && !defined(SK_RELEASE)
#ifdef NDEBUG
#define SK_RELEASE
#else
#define SK_DEBUG
#endif
#endif
#ifdef SK_BUILD_FOR_WIN32
#if !defined(SK_RESTRICT)
#define SK_RESTRICT __restrict
#endif
#if !defined(SK_WARN_UNUSED_RESULT)
#define SK_WARN_UNUSED_RESULT
#endif
#include "sk_stdint.h"
#endif
//////////////////////////////////////////////////////////////////////
#if !defined(SK_RESTRICT)
#define SK_RESTRICT __restrict__
#endif
#if !defined(SK_WARN_UNUSED_RESULT)
#define SK_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#endif
//////////////////////////////////////////////////////////////////////
#if !defined(SK_SCALAR_IS_FLOAT) && !defined(SK_SCALAR_IS_FIXED)
#define SK_SCALAR_IS_FLOAT
#endif
//////////////////////////////////////////////////////////////////////
#if !defined(SK_CPU_BENDIAN) && !defined(SK_CPU_LENDIAN)
#if defined (__ppc__) || defined(__ppc64__)
#define SK_CPU_BENDIAN
#else
#define SK_CPU_LENDIAN
#endif
#endif
//////////////////////////////////////////////////////////////////////
#ifndef SK_MMAP_SUPPORT
#ifdef SK_BUILD_FOR_WIN32
// by default, if we're windows, we assume we don't have mmap
#define SK_MMAP_SUPPORT 0
#else
#define SK_MMAP_SUPPORT 1
#endif
#endif
//////////////////////////////////////////////////////////////////////
/**
* SK_CPU_SSE_LEVEL
*
* If defined, SK_CPU_SSE_LEVEL should be set to the highest supported level.
* On non-intel CPU this should be undefined.
*/
#define SK_CPU_SSE_LEVEL_SSE1 10
#define SK_CPU_SSE_LEVEL_SSE2 20
#define SK_CPU_SSE_LEVEL_SSE3 30
#define SK_CPU_SSE_LEVEL_SSSE3 31
// Are we in GCC?
#ifndef SK_CPU_SSE_LEVEL
#if defined(__SSE2__)
#define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2
#elif defined(__SSE3__)
#define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE3
#elif defined(__SSSE3__)
#define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSSE3
#endif
#endif
// Are we in VisualStudio?
#ifndef SK_CPU_SSE_LEVEL
#if _M_IX86_FP == 1
#define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE1
#elif _M_IX86_FP >= 2
#define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2
#endif
#endif
// 64bit intel guarantees at least SSE2
#if defined(__x86_64__) || defined(_WIN64)
#if !defined(SK_CPU_SSE_LEVEL) || (SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_SSE2)
#undef SK_CPU_SSE_LEVEL
#define SK_CPU_SSE_LEVEL SK_CPU_SSE_LEVEL_SSE2
#endif
#endif
//////////////////////////////////////////////////////////////////////
// ARM defines
#if defined(__arm__) && (!defined(__APPLE__) || !TARGET_IPHONE_SIMULATOR)
#define SK_CPU_ARM
#if defined(__GNUC__)
#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
|| defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
|| defined(__ARM_ARCH_7EM__) || defined(_ARM_ARCH_7)
#define SK_ARM_ARCH 7
#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \
|| defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) \
|| defined(__ARM_ARCH_6M__) || defined(_ARM_ARCH_6)
#define SK_ARM_ARCH 6
#elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) \
|| defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) \
|| defined(__ARM_ARCH_5TEJ__) || defined(_ARM_ARCH_5)
#define SK_ARM_ARCH 5
#elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) || defined(_ARM_ARCH_4)
#define SK_ARM_ARCH 4
#else
#define SK_ARM_ARCH 3
#endif
#if defined(__thumb2__) && (SK_ARM_ARCH >= 6) \
|| !defined(__thumb__) && ((SK_ARM_ARCH > 5) || defined(__ARM_ARCH_5E__) \
|| defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__))
#define SK_ARM_HAS_EDSP
#endif
#endif
#endif
//////////////////////////////////////////////////////////////////////
/**
* THUMB is the only known config where we avoid small branches in
* favor of more complex math.
*/
#if !(defined(__arm__) && defined(__thumb__))
#define SK_CPU_HAS_CONDITIONAL_INSTR
#endif
//////////////////////////////////////////////////////////////////////
#if !defined(SKIA_IMPLEMENTATION)
#define SKIA_IMPLEMENTATION 0
#endif
#if defined(SKIA_DLL)
#if defined(WIN32)
#if SKIA_IMPLEMENTATION
#define SK_API __declspec(dllexport)
#else
#define SK_API __declspec(dllimport)
#endif
#else
#define SK_API __attribute__((visibility("default")))
#endif
#else
#define SK_API
#endif
//////////////////////////////////////////////////////////////////////
/**
* Use SK_PURE_FUNC as an attribute to indicate that a function's
* return value only depends on the value of its parameters. This
* can help the compiler optimize out successive calls.
*
* Usage:
* void function(int params) SK_PURE_FUNC;
*/
#if defined(__GNUC__)
# define SK_PURE_FUNC __attribute__((pure))
#else
# define SK_PURE_FUNC /* nothing */
#endif
//////////////////////////////////////////////////////////////////////
/**
* SK_HAS_ATTRIBUTE(<name>) should return true iff the compiler
* supports __attribute__((<name>)). Mostly important because
* Clang doesn't support all of GCC attributes.
*/
#if defined(__has_attribute)
# define SK_HAS_ATTRIBUTE(x) __has_attribute(x)
#elif defined(__GNUC__)
# define SK_HAS_ATTRIBUTE(x) 1
#else
# define SK_HAS_ATTRIBUTE(x) 0
#endif
/**
* SK_ATTRIBUTE_OPTIMIZE_O1 can be used as a function attribute
* to specify individual optimization level of -O1, if the compiler
* supports it.
*
* NOTE: Clang/ARM (r161757) does not support the 'optimize' attribute.
*/
#if SK_HAS_ATTRIBUTE(optimize)
# define SK_ATTRIBUTE_OPTIMIZE_O1 __attribute__((optimize("O1")))
#else
# define SK_ATTRIBUTE_OPTIMIZE_O1 /* nothing */
#endif
#endif
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