/* * 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. */ // IWYU pragma: private, include "SkTypes.h" #ifndef SkPostConfig_DEFINED #define SkPostConfig_DEFINED #if !defined(SK_DEBUG) && !defined(SK_RELEASE) #ifdef NDEBUG #define SK_RELEASE #else #define SK_DEBUG #endif #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 /** * Matrix calculations may be float or double. * The default is float, as that's what Chromium's using. */ #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_FLOAT #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 #if defined(SK_CPU_BENDIAN) && !defined(I_ACKNOWLEDGE_SKIA_DOES_NOT_SUPPORT_BIG_ENDIAN) #error "The Skia team is not endian-savvy enough to support big-endian CPUs." #error "If you still want to use Skia," #error "please define I_ACKNOWLEDGE_SKIA_DOES_NOT_SUPPORT_BIG_ENDIAN." #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 /** * If GPU is enabled but no GPU backends are enabled then enable GL by default. * Traditionally clients have relied on Skia always building with the GL backend * and opting in to additional backends. TODO: Require explicit opt in for GL. */ #if SK_SUPPORT_GPU # if !defined(SK_GL) && !defined(SK_VULKAN) && !defined(SK_METAL) # define SK_GL # endif #endif #if !defined(SK_SUPPORT_ATLAS_TEXT) # define SK_SUPPORT_ATLAS_TEXT 0 #elif SK_SUPPORT_ATLAS_TEXT && !SK_SUPPORT_GPU # error "SK_SUPPORT_ATLAS_TEXT requires SK_SUPPORT_GPU" #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(SkUNREACHABLE) # if defined(_MSC_VER) && !defined(__clang__) # define SkUNREACHABLE __assume(false) # else # define SkUNREACHABLE __builtin_unreachable() # endif #endif /////////////////////////////////////////////////////////////////////////////// #if defined(SK_BUILD_FOR_GOOGLE3) void SkDebugfForDumpStackTrace(const char* data, void* unused); void DumpStackTrace(int skip_count, void w(const char*, void*), void* arg); # define SK_DUMP_GOOGLE3_STACK() DumpStackTrace(0, SkDebugfForDumpStackTrace, nullptr) #else # define SK_DUMP_GOOGLE3_STACK() #endif #ifdef SK_BUILD_FOR_WIN // permits visual studio to follow error back to source #define SK_DUMP_LINE_FORMAT(message) \ SkDebugf("%s(%d): fatal error: \"%s\"\n", __FILE__, __LINE__, message) #else #define SK_DUMP_LINE_FORMAT(message) \ SkDebugf("%s:%d: fatal error: \"%s\"\n", __FILE__, __LINE__, message) #endif #ifndef SK_ABORT # define SK_ABORT(message) \ do { \ SkNO_RETURN_HINT(); \ SK_DUMP_LINE_FORMAT(message); \ SK_DUMP_GOOGLE3_STACK(); \ sk_abort_no_print(); \ SkUNREACHABLE; \ } while (false) #endif // If SK_R32_SHIFT is set, we'll use that to choose RGBA or BGRA. // If not, we'll default to RGBA everywhere except BGRA on Windows. #if defined(SK_R32_SHIFT) static_assert(SK_R32_SHIFT == 0 || SK_R32_SHIFT == 16, ""); #elif defined(SK_BUILD_FOR_WIN) #define SK_R32_SHIFT 16 #else #define SK_R32_SHIFT 0 #endif #if defined(SK_B32_SHIFT) static_assert(SK_B32_SHIFT == (16-SK_R32_SHIFT), ""); #else #define SK_B32_SHIFT (16-SK_R32_SHIFT) #endif #define SK_G32_SHIFT 8 #define SK_A32_SHIFT 24 /** * 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_DEBUG && defined SK_BUILD_FOR_WIN #ifdef free #undef free #endif #include #undef free #endif ////////////////////////////////////////////////////////////////////// #if !defined(SK_UNUSED) # if !defined(__clang__) && defined(_MSC_VER) # define SK_UNUSED __pragma(warning(suppress:4189)) # else # define SK_UNUSED SK_ATTRIBUTE(unused) # endif #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 your judgment is better than the compiler's (i.e. you've profiled it), * you can use SK_NEVER_INLINE to prevent inlining. */ #if !defined(SK_NEVER_INLINE) # if defined(SK_BUILD_FOR_WIN) # define SK_NEVER_INLINE __declspec(noinline) # else # define SK_NEVER_INLINE SK_ATTRIBUTE(noinline) # endif #endif ////////////////////////////////////////////////////////////////////// #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE1 #define SK_PREFETCH(ptr) _mm_prefetch(reinterpret_cast(ptr), _MM_HINT_T0) #define SK_WRITE_PREFETCH(ptr) _mm_prefetch(reinterpret_cast(ptr), _MM_HINT_T0) #elif 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) && !defined(__clang__) # 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 0 #endif ////////////////////////////////////////////////////////////////////// #if !defined(SK_GAMMA_EXPONENT) #define SK_GAMMA_EXPONENT (0.0f) // SRGB #endif ////////////////////////////////////////////////////////////////////// #ifndef GR_TEST_UTILS # define GR_TEST_UTILS 0 #endif ////////////////////////////////////////////////////////////////////// #if defined(SK_HISTOGRAM_ENUMERATION) && defined(SK_HISTOGRAM_BOOLEAN) # define SK_HISTOGRAMS_ENABLED 1 #else # define SK_HISTOGRAMS_ENABLED 0 #endif #ifndef SK_HISTOGRAM_BOOLEAN # define SK_HISTOGRAM_BOOLEAN(name, value) #endif #ifndef SK_HISTOGRAM_ENUMERATION # define SK_HISTOGRAM_ENUMERATION(name, value, boundary_value) #endif #ifndef SK_DISABLE_LEGACY_SHADERCONTEXT #define SK_ENABLE_LEGACY_SHADERCONTEXT #endif #endif // SkPostConfig_DEFINED