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: #ifndef SkPostConfig_DEFINED
michael@0: #define SkPostConfig_DEFINED
michael@0: 
michael@0: #if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_WINCE)
michael@0: #  define SK_BUILD_FOR_WIN
michael@0: #endif
michael@0: 
michael@0: #if defined(SK_DEBUG) && defined(SK_RELEASE)
michael@0: #  error "cannot define both SK_DEBUG and SK_RELEASE"
michael@0: #elif !defined(SK_DEBUG) && !defined(SK_RELEASE)
michael@0: #  error "must define either SK_DEBUG or SK_RELEASE"
michael@0: #endif
michael@0: 
michael@0: #if defined(SK_SUPPORT_UNITTEST) && !defined(SK_DEBUG)
michael@0: #  error "can't have unittests without debug"
michael@0: #endif
michael@0: 
michael@0: /**
michael@0:  * Matrix calculations may be float or double.
michael@0:  * The default is double, as that is faster given our impl uses doubles
michael@0:  * for intermediate calculations.
michael@0:  */
michael@0: #if defined(SK_MSCALAR_IS_DOUBLE) && defined(SK_MSCALAR_IS_FLOAT)
michael@0: #  error "cannot define both SK_MSCALAR_IS_DOUBLE and SK_MSCALAR_IS_FLOAT"
michael@0: #elif !defined(SK_MSCALAR_IS_DOUBLE) && !defined(SK_MSCALAR_IS_FLOAT)
michael@0: #  define SK_MSCALAR_IS_DOUBLE
michael@0: #endif
michael@0: 
michael@0: #if defined(SK_CPU_LENDIAN) && defined(SK_CPU_BENDIAN)
michael@0: #  error "cannot define both SK_CPU_LENDIAN and SK_CPU_BENDIAN"
michael@0: #elif !defined(SK_CPU_LENDIAN) && !defined(SK_CPU_BENDIAN)
michael@0: #  error "must define either SK_CPU_LENDIAN or SK_CPU_BENDIAN"
michael@0: #endif
michael@0: 
michael@0: /**
michael@0:  * Ensure the port has defined all of SK_X32_SHIFT, or none of them.
michael@0:  */
michael@0: #ifdef SK_A32_SHIFT
michael@0: #  if !defined(SK_R32_SHIFT) || !defined(SK_G32_SHIFT) || !defined(SK_B32_SHIFT)
michael@0: #    error "all or none of the 32bit SHIFT amounts must be defined"
michael@0: #  endif
michael@0: #else
michael@0: #  if defined(SK_R32_SHIFT) || defined(SK_G32_SHIFT) || defined(SK_B32_SHIFT)
michael@0: #    error "all or none of the 32bit SHIFT amounts must be defined"
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: #if !defined(SK_HAS_COMPILER_FEATURE)
michael@0: #  if defined(__has_feature)
michael@0: #    define SK_HAS_COMPILER_FEATURE(x) __has_feature(x)
michael@0: #  else
michael@0: #    define SK_HAS_COMPILER_FEATURE(x) 0
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: #if !defined(SK_ATTRIBUTE)
michael@0: #  if defined(__clang__) || defined(__GNUC__)
michael@0: #    define SK_ATTRIBUTE(attr) __attribute__((attr))
michael@0: #  else
michael@0: #    define SK_ATTRIBUTE(attr)
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: #if !defined(SK_SUPPORT_GPU)
michael@0: #  define SK_SUPPORT_GPU 1
michael@0: #endif
michael@0: 
michael@0: /**
michael@0:  * The clang static analyzer likes to know that when the program is not
michael@0:  * expected to continue (crash, assertion failure, etc). It will notice that
michael@0:  * some combination of parameters lead to a function call that does not return.
michael@0:  * It can then make appropriate assumptions about the parameters in code
michael@0:  * executed only if the non-returning function was *not* called.
michael@0:  */
michael@0: #if !defined(SkNO_RETURN_HINT)
michael@0: #  if SK_HAS_COMPILER_FEATURE(attribute_analyzer_noreturn)
michael@0:      static inline void SkNO_RETURN_HINT() __attribute__((analyzer_noreturn));
michael@0:      static inline void SkNO_RETURN_HINT() {}
michael@0: #  else
michael@0: #    define SkNO_RETURN_HINT() do {} while (false)
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: #if defined(SK_ZLIB_INCLUDE) && defined(SK_SYSTEM_ZLIB)
michael@0: #  error "cannot define both SK_ZLIB_INCLUDE and SK_SYSTEM_ZLIB"
michael@0: #elif defined(SK_ZLIB_INCLUDE) || defined(SK_SYSTEM_ZLIB)
michael@0: #  define SK_HAS_ZLIB
michael@0: #endif
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #ifndef SkNEW
michael@0: #  define SkNEW(type_name)                           (new type_name)
michael@0: #  define SkNEW_ARGS(type_name, args)                (new type_name args)
michael@0: #  define SkNEW_ARRAY(type_name, count)              (new type_name[(count)])
michael@0: #  define SkNEW_PLACEMENT(buf, type_name)            (new (buf) type_name)
michael@0: #  define SkNEW_PLACEMENT_ARGS(buf, type_name, args) (new (buf) type_name args)
michael@0: #  define SkDELETE(obj)                              (delete (obj))
michael@0: #  define SkDELETE_ARRAY(array)                      (delete[] (array))
michael@0: #endif
michael@0: 
michael@0: #ifndef SK_CRASH
michael@0: #  if 1   // set to 0 for infinite loop, which can help connecting gdb
michael@0: #    define SK_CRASH() do { SkNO_RETURN_HINT(); *(int *)(uintptr_t)0xbbadbeef = 0; } while (false)
michael@0: #  else
michael@0: #    define SK_CRASH() do { SkNO_RETURN_HINT(); } while (true)
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: /**
michael@0:  * SK_ENABLE_INST_COUNT controlls printing how many reference counted objects
michael@0:  * are still held on exit.
michael@0:  * Defaults to 1 in DEBUG and 0 in RELEASE.
michael@0:  */
michael@0: #ifndef SK_ENABLE_INST_COUNT
michael@0: #  ifdef SK_DEBUG
michael@0: // Only enabled for static builds, because instance counting relies on static
michael@0: // variables in functions defined in header files.
michael@0: #    define SK_ENABLE_INST_COUNT !defined(SKIA_DLL)
michael@0: #  else
michael@0: #    define SK_ENABLE_INST_COUNT 0
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #ifdef SK_BUILD_FOR_WIN
michael@0: #  ifndef WIN32_LEAN_AND_MEAN
michael@0: #    define WIN32_LEAN_AND_MEAN
michael@0: #    define WIN32_IS_MEAN_WAS_LOCALLY_DEFINED
michael@0: #  endif
michael@0: #  ifndef NOMINMAX
michael@0: #    define NOMINMAX
michael@0: #    define NOMINMAX_WAS_LOCALLY_DEFINED
michael@0: #  endif
michael@0: #
michael@0: #  include <windows.h>
michael@0: #
michael@0: #  ifdef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED
michael@0: #    undef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED
michael@0: #    undef WIN32_LEAN_AND_MEAN
michael@0: #  endif
michael@0: #  ifdef NOMINMAX_WAS_LOCALLY_DEFINED
michael@0: #    undef NOMINMAX_WAS_LOCALLY_DEFINED
michael@0: #    undef NOMINMAX
michael@0: #  endif
michael@0: #
michael@0: #  ifndef SK_DEBUGBREAK
michael@0: #    define SK_DEBUGBREAK(p) do { if (!(p)) { SkNO_RETURN_HINT(); __debugbreak(); }} while (false)
michael@0: #  endif
michael@0: #
michael@0: #  ifndef SK_A32_SHIFT
michael@0: #    define SK_A32_SHIFT 24
michael@0: #    define SK_R32_SHIFT 16
michael@0: #    define SK_G32_SHIFT 8
michael@0: #    define SK_B32_SHIFT 0
michael@0: #  endif
michael@0: #
michael@0: #else
michael@0: #  ifdef SK_DEBUG
michael@0: #    include <stdio.h>
michael@0: #    ifndef SK_DEBUGBREAK
michael@0: #      define SK_DEBUGBREAK(cond) do { if (cond) break; \
michael@0:                 SkDebugf("%s:%d: failed assertion \"%s\"\n", \
michael@0:                 __FILE__, __LINE__, #cond); SK_CRASH(); } while (false)
michael@0: #    endif
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: /**
michael@0:  *  We check to see if the SHIFT value has already been defined.
michael@0:  *  if not, we define it ourself to some default values. We default to OpenGL
michael@0:  *  order (in memory: r,g,b,a)
michael@0:  */
michael@0: #ifndef SK_A32_SHIFT
michael@0: #  ifdef SK_CPU_BENDIAN
michael@0: #    define SK_R32_SHIFT    24
michael@0: #    define SK_G32_SHIFT    16
michael@0: #    define SK_B32_SHIFT    8
michael@0: #    define SK_A32_SHIFT    0
michael@0: #  else
michael@0: #    define SK_R32_SHIFT    0
michael@0: #    define SK_G32_SHIFT    8
michael@0: #    define SK_B32_SHIFT    16
michael@0: #    define SK_A32_SHIFT    24
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: /**
michael@0:  * SkColor has well defined shift values, but SkPMColor is configurable. This
michael@0:  * macro is a convenience that returns true if the shift values are equal while
michael@0:  * ignoring the machine's endianness.
michael@0:  */
michael@0: #define SK_COLOR_MATCHES_PMCOLOR_BYTE_ORDER \
michael@0:     (SK_A32_SHIFT == 24 && SK_R32_SHIFT == 16 && SK_G32_SHIFT == 8 && SK_B32_SHIFT == 0)
michael@0: 
michael@0: /**
michael@0:  * SK_PMCOLOR_BYTE_ORDER can be used to query the byte order of SkPMColor at compile time. The
michael@0:  * relationship between the byte order and shift values depends on machine endianness. If the shift
michael@0:  * order is R=0, G=8, B=16, A=24 then ((char*)&pmcolor)[0] will produce the R channel on a little
michael@0:  * endian machine and the A channel on a big endian machine. Thus, given those shifts values,
michael@0:  * SK_PMCOLOR_BYTE_ORDER(R,G,B,A) will be true on a little endian machine and
michael@0:  * SK_PMCOLOR_BYTE_ORDER(A,B,G,R) will be true on a big endian machine.
michael@0:  */
michael@0: #ifdef SK_CPU_BENDIAN
michael@0: #  define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3)     \
michael@0:         (SK_ ## C3 ## 32_SHIFT == 0  &&             \
michael@0:          SK_ ## C2 ## 32_SHIFT == 8  &&             \
michael@0:          SK_ ## C1 ## 32_SHIFT == 16 &&             \
michael@0:          SK_ ## C0 ## 32_SHIFT == 24)
michael@0: #else
michael@0: #  define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3)     \
michael@0:         (SK_ ## C0 ## 32_SHIFT == 0  &&             \
michael@0:          SK_ ## C1 ## 32_SHIFT == 8  &&             \
michael@0:          SK_ ## C2 ## 32_SHIFT == 16 &&             \
michael@0:          SK_ ## C3 ## 32_SHIFT == 24)
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: // TODO: rebaseline as needed so we can remove this flag entirely.
michael@0: //  - all platforms have int64_t now
michael@0: //  - we have slightly different fixed math results because of this check
michael@0: //    since we don't define this for linux/android
michael@0: #if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_MAC)
michael@0: #  ifndef SkLONGLONG
michael@0: #    define SkLONGLONG int64_t
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////////////////////
michael@0: #ifndef SK_BUILD_FOR_WINCE
michael@0: #  include <string.h>
michael@0: #  include <stdlib.h>
michael@0: #else
michael@0: #  define _CMNINTRIN_DECLARE_ONLY
michael@0: #  include "cmnintrin.h"
michael@0: #endif
michael@0: 
michael@0: #if defined SK_DEBUG && defined SK_BUILD_FOR_WIN32
michael@0: #  ifdef free
michael@0: #    undef free
michael@0: #  endif
michael@0: #  include <crtdbg.h>
michael@0: #  undef free
michael@0: #
michael@0: #  ifdef SK_DEBUGx
michael@0: #    if defined(SK_SIMULATE_FAILED_MALLOC) && defined(__cplusplus)
michael@0:        void * operator new(
michael@0:            size_t cb,
michael@0:            int nBlockUse,
michael@0:            const char * szFileName,
michael@0:            int nLine,
michael@0:            int foo
michael@0:            );
michael@0:        void * operator new[](
michael@0:            size_t cb,
michael@0:            int nBlockUse,
michael@0:            const char * szFileName,
michael@0:            int nLine,
michael@0:            int foo
michael@0:            );
michael@0:        void operator delete(
michael@0:            void *pUserData,
michael@0:            int, const char*, int, int
michael@0:            );
michael@0:        void operator delete(
michael@0:            void *pUserData
michael@0:            );
michael@0:        void operator delete[]( void * p );
michael@0: #      define DEBUG_CLIENTBLOCK   new( _CLIENT_BLOCK, __FILE__, __LINE__, 0)
michael@0: #    else
michael@0: #      define DEBUG_CLIENTBLOCK   new( _CLIENT_BLOCK, __FILE__, __LINE__)
michael@0: #    endif
michael@0: #    define new DEBUG_CLIENTBLOCK
michael@0: #  else
michael@0: #    define DEBUG_CLIENTBLOCK
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #ifndef SK_OVERRIDE
michael@0: #  if defined(_MSC_VER)
michael@0: #    define SK_OVERRIDE override
michael@0: #  elif defined(__clang__)
michael@0:      // Using __attribute__((override)) on clang does not appear to always work.
michael@0:      // Clang defaults to C++03 and warns about using override. Squelch that. Intentionally no
michael@0:      // push/pop here so all users of SK_OVERRIDE ignore the warning too. This is like passing
michael@0:      // -Wno-c++11-extensions, except that GCC won't die (because it won't see this pragma).
michael@0: #    pragma clang diagnostic ignored "-Wc++11-extensions"
michael@0: #
michael@0: #    if __has_feature(cxx_override_control)
michael@0: #      define SK_OVERRIDE override
michael@0: #    elif defined(__has_extension) && __has_extension(cxx_override_control)
michael@0: #      define SK_OVERRIDE override
michael@0: #    endif
michael@0: #  endif
michael@0: #  ifndef SK_OVERRIDE
michael@0: #    define SK_OVERRIDE
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #if !defined(SK_UNUSED)
michael@0: #  define SK_UNUSED SK_ATTRIBUTE(unused)
michael@0: #endif
michael@0: 
michael@0: #if !defined(SK_ATTR_DEPRECATED)
michael@0:    // FIXME: we ignore msg for now...
michael@0: #  define SK_ATTR_DEPRECATED(msg) SK_ATTRIBUTE(deprecated)
michael@0: #endif
michael@0: 
michael@0: /**
michael@0:  * If your judgment is better than the compiler's (i.e. you've profiled it),
michael@0:  * you can use SK_ALWAYS_INLINE to force inlining. E.g.
michael@0:  *     inline void someMethod() { ... }             // may not be inlined
michael@0:  *     SK_ALWAYS_INLINE void someMethod() { ... }   // should always be inlined
michael@0:  */
michael@0: #if !defined(SK_ALWAYS_INLINE)
michael@0: #  if defined(SK_BUILD_FOR_WIN)
michael@0: #    define SK_ALWAYS_INLINE __forceinline
michael@0: #  else
michael@0: #    define SK_ALWAYS_INLINE SK_ATTRIBUTE(always_inline) inline
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #if defined(__clang__) || defined(__GNUC__)
michael@0: #  define SK_PREFETCH(ptr) __builtin_prefetch(ptr)
michael@0: #  define SK_WRITE_PREFETCH(ptr) __builtin_prefetch(ptr, 1)
michael@0: #else
michael@0: #  define SK_PREFETCH(ptr)
michael@0: #  define SK_WRITE_PREFETCH(ptr)
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #ifndef SK_PRINTF_LIKE
michael@0: #  if defined(__clang__) || defined(__GNUC__)
michael@0: #    define SK_PRINTF_LIKE(A, B) __attribute__((format(printf, (A), (B))))
michael@0: #  else
michael@0: #    define SK_PRINTF_LIKE(A, B)
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #ifndef SK_SIZE_T_SPECIFIER
michael@0: #  if defined(_MSC_VER)
michael@0: #    define SK_SIZE_T_SPECIFIER "%Iu"
michael@0: #  else
michael@0: #    define SK_SIZE_T_SPECIFIER "%zu"
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #ifndef SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
michael@0: #  define SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 1
michael@0: #endif
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: #ifndef SK_ATOMICS_PLATFORM_H
michael@0: #  if defined(_MSC_VER)
michael@0: #    define SK_ATOMICS_PLATFORM_H "../../src/ports/SkAtomics_win.h"
michael@0: #  elif defined(SK_BUILD_FOR_ANDROID_FRAMEWORK)
michael@0: #    define SK_ATOMICS_PLATFORM_H "../../src/ports/SkAtomics_android.h"
michael@0: #  else
michael@0: #    define SK_ATOMICS_PLATFORM_H "../../src/ports/SkAtomics_sync.h"
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: #ifndef SK_MUTEX_PLATFORM_H
michael@0: #  if defined(SK_BUILD_FOR_WIN)
michael@0: #    define SK_MUTEX_PLATFORM_H "../../src/ports/SkMutex_win.h"
michael@0: #  else
michael@0: #    define SK_MUTEX_PLATFORM_H "../../src/ports/SkMutex_pthread.h"
michael@0: #  endif
michael@0: #endif
michael@0: 
michael@0: #endif // SkPostConfig_DEFINED