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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.
- */
- // IWYU pragma: private, include "SkTypes.h"
- #ifndef SkPostConfig_DEFINED
- #define SkPostConfig_DEFINED
- #if !defined(SK_DEBUG) && !defined(SK_RELEASE)
- #ifdef NDEBUG
- #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(); \
- } 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 <crtdbg.h>
- #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<const char*>(ptr), _MM_HINT_T0)
- #define SK_WRITE_PREFETCH(ptr) _mm_prefetch(reinterpret_cast<const char*>(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
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