74c19de3be
Remove return statements immediately following SK_ABORTs. Change-Id: I6446b6ba3a6fb272d84ea27f38cf366095cf801d Reviewed-on: https://skia-review.googlesource.com/c/skia/+/233565 Reviewed-by: Mike Klein <mtklein@google.com> Commit-Queue: Brian Salomon <bsalomon@google.com>
307 lines
9.4 KiB
C
307 lines
9.4 KiB
C
/*
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* Copyright 2006 The Android Open Source Project
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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// IWYU pragma: private, include "SkTypes.h"
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#ifndef SkPostConfig_DEFINED
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#define SkPostConfig_DEFINED
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#if !defined(SK_DEBUG) && !defined(SK_RELEASE)
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#ifdef NDEBUG
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#define SK_RELEASE
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#else
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#define SK_DEBUG
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#endif
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#endif
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#if defined(SK_DEBUG) && defined(SK_RELEASE)
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# error "cannot define both SK_DEBUG and SK_RELEASE"
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#elif !defined(SK_DEBUG) && !defined(SK_RELEASE)
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# error "must define either SK_DEBUG or SK_RELEASE"
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#endif
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/**
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* Matrix calculations may be float or double.
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* The default is float, as that's what Chromium's using.
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*/
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#if defined(SK_MSCALAR_IS_DOUBLE) && defined(SK_MSCALAR_IS_FLOAT)
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# error "cannot define both SK_MSCALAR_IS_DOUBLE and SK_MSCALAR_IS_FLOAT"
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#elif !defined(SK_MSCALAR_IS_DOUBLE) && !defined(SK_MSCALAR_IS_FLOAT)
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# define SK_MSCALAR_IS_FLOAT
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#endif
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#if defined(SK_CPU_LENDIAN) && defined(SK_CPU_BENDIAN)
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# error "cannot define both SK_CPU_LENDIAN and SK_CPU_BENDIAN"
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#elif !defined(SK_CPU_LENDIAN) && !defined(SK_CPU_BENDIAN)
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# error "must define either SK_CPU_LENDIAN or SK_CPU_BENDIAN"
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#endif
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#if defined(SK_CPU_BENDIAN) && !defined(I_ACKNOWLEDGE_SKIA_DOES_NOT_SUPPORT_BIG_ENDIAN)
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#error "The Skia team is not endian-savvy enough to support big-endian CPUs."
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#error "If you still want to use Skia,"
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#error "please define I_ACKNOWLEDGE_SKIA_DOES_NOT_SUPPORT_BIG_ENDIAN."
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#endif
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#if !defined(SK_HAS_COMPILER_FEATURE)
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# if defined(__has_feature)
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# define SK_HAS_COMPILER_FEATURE(x) __has_feature(x)
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# else
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# define SK_HAS_COMPILER_FEATURE(x) 0
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# endif
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#endif
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#if !defined(SK_ATTRIBUTE)
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# if defined(__clang__) || defined(__GNUC__)
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# define SK_ATTRIBUTE(attr) __attribute__((attr))
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# else
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# define SK_ATTRIBUTE(attr)
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# endif
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#endif
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#if !defined(SK_SUPPORT_GPU)
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# define SK_SUPPORT_GPU 1
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#endif
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/**
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* If GPU is enabled but no GPU backends are enabled then enable GL by default.
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* Traditionally clients have relied on Skia always building with the GL backend
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* and opting in to additional backends. TODO: Require explicit opt in for GL.
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*/
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#if SK_SUPPORT_GPU
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# if !defined(SK_GL) && !defined(SK_VULKAN) && !defined(SK_METAL)
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# define SK_GL
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# endif
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#endif
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#if !defined(SK_SUPPORT_ATLAS_TEXT)
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# define SK_SUPPORT_ATLAS_TEXT 0
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#elif SK_SUPPORT_ATLAS_TEXT && !SK_SUPPORT_GPU
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# error "SK_SUPPORT_ATLAS_TEXT requires SK_SUPPORT_GPU"
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#endif
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/**
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* The clang static analyzer likes to know that when the program is not
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* expected to continue (crash, assertion failure, etc). It will notice that
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* some combination of parameters lead to a function call that does not return.
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* It can then make appropriate assumptions about the parameters in code
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* executed only if the non-returning function was *not* called.
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*/
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#if !defined(SkNO_RETURN_HINT)
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# if SK_HAS_COMPILER_FEATURE(attribute_analyzer_noreturn)
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static inline void SkNO_RETURN_HINT() __attribute__((analyzer_noreturn));
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static inline void SkNO_RETURN_HINT() {}
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# else
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# define SkNO_RETURN_HINT() do {} while (false)
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# endif
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#endif
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#if !defined(SkUNREACHABLE)
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# if defined(_MSC_VER) && !defined(__clang__)
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# define SkUNREACHABLE __assume(false)
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# else
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# define SkUNREACHABLE __builtin_unreachable()
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# endif
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#endif
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///////////////////////////////////////////////////////////////////////////////
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#if defined(SK_BUILD_FOR_GOOGLE3)
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void SkDebugfForDumpStackTrace(const char* data, void* unused);
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void DumpStackTrace(int skip_count, void w(const char*, void*), void* arg);
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# define SK_DUMP_GOOGLE3_STACK() DumpStackTrace(0, SkDebugfForDumpStackTrace, nullptr)
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#else
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# define SK_DUMP_GOOGLE3_STACK()
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#endif
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#ifdef SK_BUILD_FOR_WIN
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// permits visual studio to follow error back to source
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#define SK_DUMP_LINE_FORMAT(message) \
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SkDebugf("%s(%d): fatal error: \"%s\"\n", __FILE__, __LINE__, message)
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#else
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#define SK_DUMP_LINE_FORMAT(message) \
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SkDebugf("%s:%d: fatal error: \"%s\"\n", __FILE__, __LINE__, message)
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#endif
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#ifndef SK_ABORT
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# define SK_ABORT(message) \
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do { \
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SkNO_RETURN_HINT(); \
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SK_DUMP_LINE_FORMAT(message); \
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SK_DUMP_GOOGLE3_STACK(); \
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sk_abort_no_print(); \
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SkUNREACHABLE; \
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} while (false)
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#endif
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// If SK_R32_SHIFT is set, we'll use that to choose RGBA or BGRA.
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// If not, we'll default to RGBA everywhere except BGRA on Windows.
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#if defined(SK_R32_SHIFT)
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static_assert(SK_R32_SHIFT == 0 || SK_R32_SHIFT == 16, "");
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#elif defined(SK_BUILD_FOR_WIN)
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#define SK_R32_SHIFT 16
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#else
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#define SK_R32_SHIFT 0
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#endif
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#if defined(SK_B32_SHIFT)
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static_assert(SK_B32_SHIFT == (16-SK_R32_SHIFT), "");
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#else
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#define SK_B32_SHIFT (16-SK_R32_SHIFT)
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#endif
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#define SK_G32_SHIFT 8
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#define SK_A32_SHIFT 24
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/**
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* SkColor has well defined shift values, but SkPMColor is configurable. This
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* macro is a convenience that returns true if the shift values are equal while
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* ignoring the machine's endianness.
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*/
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#define SK_COLOR_MATCHES_PMCOLOR_BYTE_ORDER \
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(SK_A32_SHIFT == 24 && SK_R32_SHIFT == 16 && SK_G32_SHIFT == 8 && SK_B32_SHIFT == 0)
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/**
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* SK_PMCOLOR_BYTE_ORDER can be used to query the byte order of SkPMColor at compile time. The
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* relationship between the byte order and shift values depends on machine endianness. If the shift
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* order is R=0, G=8, B=16, A=24 then ((char*)&pmcolor)[0] will produce the R channel on a little
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* endian machine and the A channel on a big endian machine. Thus, given those shifts values,
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* SK_PMCOLOR_BYTE_ORDER(R,G,B,A) will be true on a little endian machine and
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* SK_PMCOLOR_BYTE_ORDER(A,B,G,R) will be true on a big endian machine.
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*/
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#ifdef SK_CPU_BENDIAN
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# define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3) \
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(SK_ ## C3 ## 32_SHIFT == 0 && \
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SK_ ## C2 ## 32_SHIFT == 8 && \
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SK_ ## C1 ## 32_SHIFT == 16 && \
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SK_ ## C0 ## 32_SHIFT == 24)
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#else
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# define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3) \
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(SK_ ## C0 ## 32_SHIFT == 0 && \
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SK_ ## C1 ## 32_SHIFT == 8 && \
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SK_ ## C2 ## 32_SHIFT == 16 && \
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SK_ ## C3 ## 32_SHIFT == 24)
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#endif
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//////////////////////////////////////////////////////////////////////////////////////////////
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#if defined SK_DEBUG && defined SK_BUILD_FOR_WIN
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#ifdef free
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#undef free
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#endif
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#include <crtdbg.h>
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#undef free
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#endif
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//////////////////////////////////////////////////////////////////////
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#if !defined(SK_UNUSED)
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# if !defined(__clang__) && defined(_MSC_VER)
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# define SK_UNUSED __pragma(warning(suppress:4189))
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# else
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# define SK_UNUSED SK_ATTRIBUTE(unused)
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# endif
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#endif
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/**
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* If your judgment is better than the compiler's (i.e. you've profiled it),
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* you can use SK_ALWAYS_INLINE to force inlining. E.g.
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* inline void someMethod() { ... } // may not be inlined
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* SK_ALWAYS_INLINE void someMethod() { ... } // should always be inlined
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*/
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#if !defined(SK_ALWAYS_INLINE)
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# if defined(SK_BUILD_FOR_WIN)
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# define SK_ALWAYS_INLINE __forceinline
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# else
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# define SK_ALWAYS_INLINE SK_ATTRIBUTE(always_inline) inline
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# endif
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#endif
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/**
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* If your judgment is better than the compiler's (i.e. you've profiled it),
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* you can use SK_NEVER_INLINE to prevent inlining.
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*/
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#if !defined(SK_NEVER_INLINE)
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# if defined(SK_BUILD_FOR_WIN)
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# define SK_NEVER_INLINE __declspec(noinline)
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# else
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# define SK_NEVER_INLINE SK_ATTRIBUTE(noinline)
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# endif
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#endif
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//////////////////////////////////////////////////////////////////////
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#if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE1
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#define SK_PREFETCH(ptr) _mm_prefetch(reinterpret_cast<const char*>(ptr), _MM_HINT_T0)
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#define SK_WRITE_PREFETCH(ptr) _mm_prefetch(reinterpret_cast<const char*>(ptr), _MM_HINT_T0)
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#elif defined(__GNUC__)
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#define SK_PREFETCH(ptr) __builtin_prefetch(ptr)
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#define SK_WRITE_PREFETCH(ptr) __builtin_prefetch(ptr, 1)
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#else
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#define SK_PREFETCH(ptr)
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#define SK_WRITE_PREFETCH(ptr)
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#endif
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//////////////////////////////////////////////////////////////////////
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#ifndef SK_PRINTF_LIKE
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# if defined(__clang__) || defined(__GNUC__)
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# define SK_PRINTF_LIKE(A, B) __attribute__((format(printf, (A), (B))))
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# else
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# define SK_PRINTF_LIKE(A, B)
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# endif
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#endif
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//////////////////////////////////////////////////////////////////////
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#ifndef SK_SIZE_T_SPECIFIER
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# if defined(_MSC_VER) && !defined(__clang__)
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# define SK_SIZE_T_SPECIFIER "%Iu"
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# else
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# define SK_SIZE_T_SPECIFIER "%zu"
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# endif
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#endif
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//////////////////////////////////////////////////////////////////////
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#ifndef SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
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#define SK_ALLOW_STATIC_GLOBAL_INITIALIZERS 0
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#endif
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//////////////////////////////////////////////////////////////////////
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#if !defined(SK_GAMMA_EXPONENT)
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#define SK_GAMMA_EXPONENT (0.0f) // SRGB
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#endif
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//////////////////////////////////////////////////////////////////////
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#ifndef GR_TEST_UTILS
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# define GR_TEST_UTILS 0
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#endif
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//////////////////////////////////////////////////////////////////////
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#if defined(SK_HISTOGRAM_ENUMERATION) && defined(SK_HISTOGRAM_BOOLEAN)
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# define SK_HISTOGRAMS_ENABLED 1
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#else
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# define SK_HISTOGRAMS_ENABLED 0
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#endif
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#ifndef SK_HISTOGRAM_BOOLEAN
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# define SK_HISTOGRAM_BOOLEAN(name, value)
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#endif
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#ifndef SK_HISTOGRAM_ENUMERATION
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# define SK_HISTOGRAM_ENUMERATION(name, value, boundary_value)
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#endif
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#ifndef SK_DISABLE_LEGACY_SHADERCONTEXT
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#define SK_ENABLE_LEGACY_SHADERCONTEXT
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#endif
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#endif // SkPostConfig_DEFINED
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