/* * 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 SkPostConfig_DEFINED #define SkPostConfig_DEFINED #if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_WINCE) # define SK_BUILD_FOR_WIN #endif #if defined(SK_DEBUG) && defined(SK_RELEASE) # error "cannot define both SK_DEBUG and SK_RELEASE" #elif !defined(SK_DEBUG) && !defined(SK_RELEASE) # error "must define either SK_DEBUG or SK_RELEASE" #endif #if defined(SK_SUPPORT_UNITTEST) && !defined(SK_DEBUG) # error "can't have unittests without debug" #endif #if defined(SK_SCALAR_IS_FIXED) && defined(SK_SCALAR_IS_FLOAT) # error "cannot define both SK_SCALAR_IS_FIXED and SK_SCALAR_IS_FLOAT" #elif !defined(SK_SCALAR_IS_FIXED) && !defined(SK_SCALAR_IS_FLOAT) # define SK_SCALAR_IS_FLOAT #endif /** * Matrix calculations may be float or double. * The default is double, as that is faster given our impl uses doubles * for intermediate calculations. */ #if defined(SK_MSCALAR_IS_DOUBLE) && defined(SK_MSCALAR_IS_FLOAT) # error "cannot define both SK_MSCALAR_IS_DOUBLE and SK_MSCALAR_IS_FLOAT" #elif !defined(SK_MSCALAR_IS_DOUBLE) && !defined(SK_MSCALAR_IS_FLOAT) # define SK_MSCALAR_IS_DOUBLE #endif #if defined(SK_CPU_LENDIAN) && defined(SK_CPU_BENDIAN) # error "cannot define both SK_CPU_LENDIAN and SK_CPU_BENDIAN" #elif !defined(SK_CPU_LENDIAN) && !defined(SK_CPU_BENDIAN) # error "must define either SK_CPU_LENDIAN or SK_CPU_BENDIAN" #endif /** * Ensure the port has defined all of SK_X32_SHIFT, or none of them. */ #ifdef SK_A32_SHIFT # if !defined(SK_R32_SHIFT) || !defined(SK_G32_SHIFT) || !defined(SK_B32_SHIFT) # error "all or none of the 32bit SHIFT amounts must be defined" # endif #else # if defined(SK_R32_SHIFT) || defined(SK_G32_SHIFT) || defined(SK_B32_SHIFT) # error "all or none of the 32bit SHIFT amounts must be defined" # endif #endif #if !defined(SK_HAS_COMPILER_FEATURE) # if defined(__has_feature) # define SK_HAS_COMPILER_FEATURE(x) __has_feature(x) # else # define SK_HAS_COMPILER_FEATURE(x) 0 # endif #endif #if !defined(SK_ATTRIBUTE) # if defined(__clang__) || defined(__GNUC__) # define SK_ATTRIBUTE(attr) __attribute__((attr)) # else # define SK_ATTRIBUTE(attr) # endif #endif #if !defined(SK_SUPPORT_GPU) # define SK_SUPPORT_GPU 1 #endif /** * The clang static analyzer likes to know that when the program is not * expected to continue (crash, assertion failure, etc). It will notice that * some combination of parameters lead to a function call that does not return. * It can then make appropriate assumptions about the parameters in code * executed only if the non-returning function was *not* called. */ #if !defined(SkNO_RETURN_HINT) # if SK_HAS_COMPILER_FEATURE(attribute_analyzer_noreturn) static inline void SkNO_RETURN_HINT() __attribute__((analyzer_noreturn)); static inline void SkNO_RETURN_HINT() {} # else # define SkNO_RETURN_HINT() do {} while (false) # endif #endif #if defined(SK_ZLIB_INCLUDE) && defined(SK_SYSTEM_ZLIB) # error "cannot define both SK_ZLIB_INCLUDE and SK_SYSTEM_ZLIB" #elif defined(SK_ZLIB_INCLUDE) || defined(SK_SYSTEM_ZLIB) # define SK_HAS_ZLIB #endif /////////////////////////////////////////////////////////////////////////////// #ifndef SkNEW # define SkNEW(type_name) (new type_name) # define SkNEW_ARGS(type_name, args) (new type_name args) # define SkNEW_ARRAY(type_name, count) (new type_name[(count)]) # define SkNEW_PLACEMENT(buf, type_name) (new (buf) type_name) # define SkNEW_PLACEMENT_ARGS(buf, type_name, args) (new (buf) type_name args) # define SkDELETE(obj) (delete (obj)) # define SkDELETE_ARRAY(array) (delete[] (array)) #endif #ifndef SK_CRASH # if 1 // set to 0 for infinite loop, which can help connecting gdb # define SK_CRASH() do { SkNO_RETURN_HINT(); *(int *)(uintptr_t)0xbbadbeef = 0; } while (false) # else # define SK_CRASH() do { SkNO_RETURN_HINT(); } while (true) # endif #endif /////////////////////////////////////////////////////////////////////////////// /** * SK_ENABLE_INST_COUNT controlls printing how many reference counted objects * are still held on exit. * Defaults to 1 in DEBUG and 0 in RELEASE. * FIXME: currently always 0, since it fails if multiple threads run at once * (see skbug.com/1219 ). */ #ifndef SK_ENABLE_INST_COUNT # ifdef SK_DEBUG # define SK_ENABLE_INST_COUNT 0 # else # define SK_ENABLE_INST_COUNT 0 # endif #endif /////////////////////////////////////////////////////////////////////////////// #if defined(SK_SOFTWARE_FLOAT) && defined(SK_SCALAR_IS_FLOAT) // if this is defined, we convert floats to 2s compliment ints for compares. # ifndef SK_SCALAR_SLOW_COMPARES # define SK_SCALAR_SLOW_COMPARES # endif # ifndef SK_USE_FLOATBITS # define SK_USE_FLOATBITS # endif #endif #ifdef SK_BUILD_FOR_WIN # ifndef WIN32_LEAN_AND_MEAN # define WIN32_LEAN_AND_MEAN # define WIN32_IS_MEAN_WAS_LOCALLY_DEFINED # endif # ifndef NOMINMAX # define NOMINMAX # define NOMINMAX_WAS_LOCALLY_DEFINED # endif # # include # # ifdef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED # undef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED # undef WIN32_LEAN_AND_MEAN # endif # ifdef NOMINMAX_WAS_LOCALLY_DEFINED # undef NOMINMAX_WAS_LOCALLY_DEFINED # undef NOMINMAX # endif # # ifndef SK_DEBUGBREAK # define SK_DEBUGBREAK(p) do { if (!(p)) { SkNO_RETURN_HINT(); __debugbreak(); }} while (false) # endif # # ifndef SK_A32_SHIFT # define SK_A32_SHIFT 24 # define SK_R32_SHIFT 16 # define SK_G32_SHIFT 8 # define SK_B32_SHIFT 0 # endif # #else # ifdef SK_DEBUG # include # ifndef SK_DEBUGBREAK # define SK_DEBUGBREAK(cond) do { if (cond) break; \ SkDebugf("%s:%d: failed assertion \"%s\"\n", \ __FILE__, __LINE__, #cond); SK_CRASH(); } while (false) # endif # endif #endif /** * We check to see if the SHIFT value has already been defined. * if not, we define it ourself to some default values. We default to OpenGL * order (in memory: r,g,b,a) */ #ifndef SK_A32_SHIFT # ifdef SK_CPU_BENDIAN # define SK_R32_SHIFT 24 # define SK_G32_SHIFT 16 # define SK_B32_SHIFT 8 # define SK_A32_SHIFT 0 # else # define SK_R32_SHIFT 0 # define SK_G32_SHIFT 8 # define SK_B32_SHIFT 16 # define SK_A32_SHIFT 24 # endif #endif /** * SkColor has well defined shift values, but SkPMColor is configurable. This * macro is a convenience that returns true if the shift values are equal while * ignoring the machine's endianness. */ #define SK_COLOR_MATCHES_PMCOLOR_BYTE_ORDER \ (SK_A32_SHIFT == 24 && SK_R32_SHIFT == 16 && SK_G32_SHIFT == 8 && SK_B32_SHIFT == 0) /** * SK_PMCOLOR_BYTE_ORDER can be used to query the byte order of SkPMColor at compile time. The * relationship between the byte order and shift values depends on machine endianness. If the shift * order is R=0, G=8, B=16, A=24 then ((char*)&pmcolor)[0] will produce the R channel on a little * endian machine and the A channel on a big endian machine. Thus, given those shifts values, * SK_PMCOLOR_BYTE_ORDER(R,G,B,A) will be true on a little endian machine and * SK_PMCOLOR_BYTE_ORDER(A,B,G,R) will be true on a big endian machine. */ #ifdef SK_CPU_BENDIAN # define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3) \ (SK_ ## C3 ## 32_SHIFT == 0 && \ SK_ ## C2 ## 32_SHIFT == 8 && \ SK_ ## C1 ## 32_SHIFT == 16 && \ SK_ ## C0 ## 32_SHIFT == 24) #else # define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3) \ (SK_ ## C0 ## 32_SHIFT == 0 && \ SK_ ## C1 ## 32_SHIFT == 8 && \ SK_ ## C2 ## 32_SHIFT == 16 && \ SK_ ## C3 ## 32_SHIFT == 24) #endif ////////////////////////////////////////////////////////////////////// #if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_MAC) # ifndef SkLONGLONG # ifdef SK_BUILD_FOR_WIN32 # define SkLONGLONG __int64 # else # define SkLONGLONG long long # endif # endif #endif ////////////////////////////////////////////////////////////////////////////////////////////// #ifndef SK_BUILD_FOR_WINCE # include # include #else # define _CMNINTRIN_DECLARE_ONLY # include "cmnintrin.h" #endif #if defined SK_DEBUG && defined SK_BUILD_FOR_WIN32 # ifdef free # undef free # endif # include # undef free # # ifdef SK_DEBUGx # if defined(SK_SIMULATE_FAILED_MALLOC) && defined(__cplusplus) void * operator new( size_t cb, int nBlockUse, const char * szFileName, int nLine, int foo ); void * operator new[]( size_t cb, int nBlockUse, const char * szFileName, int nLine, int foo ); void operator delete( void *pUserData, int, const char*, int, int ); void operator delete( void *pUserData ); void operator delete[]( void * p ); # define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__, 0) # else # define DEBUG_CLIENTBLOCK new( _CLIENT_BLOCK, __FILE__, __LINE__) # endif # define new DEBUG_CLIENTBLOCK # else # define DEBUG_CLIENTBLOCK # endif #endif ////////////////////////////////////////////////////////////////////// #ifndef SK_OVERRIDE # if defined(_MSC_VER) # define SK_OVERRIDE override # elif defined(__clang__) // Using __attribute__((override)) on clang does not appear to always work. // Clang defaults to C++03 and warns about using override. Squelch that. Intentionally no // push/pop here so all users of SK_OVERRIDE ignore the warning too. This is like passing // -Wno-c++11-extensions, except that GCC won't die (because it won't see this pragma). # pragma clang diagnostic ignored "-Wc++11-extensions" # # if __has_feature(cxx_override_control) # define SK_OVERRIDE override # elif defined(__has_extension) && __has_extension(cxx_override_control) # define SK_OVERRIDE override # endif # endif # ifndef SK_OVERRIDE # define SK_OVERRIDE # endif #endif ////////////////////////////////////////////////////////////////////// #if !defined(SK_UNUSED) # define SK_UNUSED SK_ATTRIBUTE(unused) #endif #if !defined(SK_ATTR_DEPRECATED) // FIXME: we ignore msg for now... # define SK_ATTR_DEPRECATED(msg) SK_ATTRIBUTE(deprecated) #endif /** * If your judgment is better than the compiler's (i.e. you've profiled it), * you can use SK_ALWAYS_INLINE to force inlining. E.g. * inline void someMethod() { ... } // may not be inlined * SK_ALWAYS_INLINE void someMethod() { ... } // should always be inlined */ #if !defined(SK_ALWAYS_INLINE) # if defined(SK_BUILD_FOR_WIN) # define SK_ALWAYS_INLINE __forceinline # else # define SK_ALWAYS_INLINE SK_ATTRIBUTE(always_inline) inline # endif #endif ////////////////////////////////////////////////////////////////////// #if defined(__clang__) || defined(__GNUC__) # define SK_PREFETCH(ptr) __builtin_prefetch(ptr) # define SK_WRITE_PREFETCH(ptr) __builtin_prefetch(ptr, 1) #else # define SK_PREFETCH(ptr) # define SK_WRITE_PREFETCH(ptr) #endif ////////////////////////////////////////////////////////////////////// #ifndef SK_PRINTF_LIKE # if defined(__clang__) || defined(__GNUC__) # define SK_PRINTF_LIKE(A, B) __attribute__((format(printf, (A), (B)))) # else # define SK_PRINTF_LIKE(A, B) # endif #endif ////////////////////////////////////////////////////////////////////// #ifndef SK_SIZE_T_SPECIFIER # if defined(_MSC_VER) # define SK_SIZE_T_SPECIFIER "%Iu" # else # define SK_SIZE_T_SPECIFIER "%zu" # endif #endif ////////////////////////////////////////////////////////////////////// #ifndef SK_ALLOW_STATIC_GLOBAL_INITIALIZERS # define SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 1 #endif #endif // SkPostConfig_DEFINED