| /* |
| * 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(STARBOARD) && SB_API_VERSION >= 12 |
| #include "base/logging.h" |
| #include "include/core/SkTypes.h" |
| #endif |
| |
| #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) |
| #if !defined(STARBOARD) || SB_API_VERSION < 12 |
| static_assert(SK_R32_SHIFT == 0 || SK_R32_SHIFT == 16, ""); |
| #endif |
| #elif defined(SK_BUILD_FOR_WIN) |
| #define SK_R32_SHIFT 16 |
| #else |
| #define SK_R32_SHIFT 0 |
| #endif |
| |
| #if defined(SK_B32_SHIFT) |
| #if !defined(STARBOARD) || SB_API_VERSION < 12 |
| static_assert(SK_B32_SHIFT == (16-SK_R32_SHIFT), ""); |
| #endif |
| #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(STARBOARD) && SB_API_VERSION >= 12 |
| typedef enum SkPmcolor { SkPmcolorIsRgba, SkPmcolorIsBgra } SkPmColor; |
| |
| inline SkPmcolor GetSkPmcolor() { |
| if (SK_PMCOLOR_BYTE_ORDER(R, G, B, A)) { |
| return SkPmcolorIsRgba; |
| } else if (SK_PMCOLOR_BYTE_ORDER(B, G, R, A)) { |
| return SkPmcolorIsBgra; |
| } else { |
| DCHECK(false) << "SK shift values do not correspond to a supported byte order."; |
| return (SkPmcolor)NULL; |
| } |
| } |
| #endif |
| |
| ////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| #if !defined(STARBOARD) |
| #if defined SK_DEBUG && defined SK_BUILD_FOR_WIN |
| #ifdef free |
| #undef free |
| #endif |
| #include <crtdbg.h> |
| #undef free |
| #endif |
| #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 |