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- /*
- * Copyright 2010 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #ifndef GrConfig_DEFINED
- #define GrConfig_DEFINED
- #include "include/core/SkTypes.h"
- ///////////////////////////////////////////////////////////////////////////////
- // preconfig section:
- //
- // All the work before including GrUserConfig.h should center around guessing
- // what platform we're on, and defining low-level symbols based on that.
- //
- // A build environment may have already defined symbols, so we first check
- // for that
- //
- // hack to ensure we know what sort of Apple platform we're on
- #if defined(__APPLE_CPP__) || defined(__APPLE_CC__)
- #include <TargetConditionals.h>
- #endif
- /**
- * Gr defines are set to 0 or 1, rather than being undefined or defined
- */
- #if !defined(GR_CACHE_STATS)
- #if defined(SK_DEBUG) || defined(SK_DUMP_STATS)
- #define GR_CACHE_STATS 1
- #else
- #define GR_CACHE_STATS 0
- #endif
- #endif
- #if !defined(GR_GPU_STATS)
- #if defined(SK_DEBUG) || defined(SK_DUMP_STATS) || defined(GR_TEST_UTILS)
- #define GR_GPU_STATS 1
- #else
- #define GR_GPU_STATS 0
- #endif
- #endif
- ///////////////////////////////////////////////////////////////////////////////
- ///////////////////////////////////////////////////////////////////////////////
- /*
- * Include stdint.h with defines that trigger declaration of C99 limit/const
- * macros here before anyone else has a chance to include stdint.h without
- * these.
- */
- #ifndef __STDC_LIMIT_MACROS
- #define __STDC_LIMIT_MACROS
- #endif
- #ifndef __STDC_CONSTANT_MACROS
- #define __STDC_CONSTANT_MACROS
- #endif
- #include <stdint.h>
- ///////////////////////////////////////////////////////////////////////////////
- ///////////////////////////////////////////////////////////////////////////////
- // postconfig section:
- //
- /**
- * GR_STRING makes a string of X where X is expanded before conversion to a string
- * if X itself contains macros.
- */
- #define GR_STRING(X) GR_STRING_IMPL(X)
- #define GR_STRING_IMPL(X) #X
- /**
- * GR_CONCAT concatenates X and Y where each is expanded before
- * contanenation if either contains macros.
- */
- #define GR_CONCAT(X,Y) GR_CONCAT_IMPL(X,Y)
- #define GR_CONCAT_IMPL(X,Y) X##Y
- /**
- * Creates a string of the form "<filename>(<linenumber>) : "
- */
- #define GR_FILE_AND_LINE_STR __FILE__ "(" GR_STRING(__LINE__) ") : "
- /**
- * Compilers have different ways of issuing warnings. This macro
- * attempts to abstract them, but may need to be specialized for your
- * particular compiler.
- * To insert compiler warnings use "#pragma message GR_WARN(<string>)"
- */
- #if defined(_MSC_VER)
- #define GR_WARN(MSG) (GR_FILE_AND_LINE_STR "WARNING: " MSG)
- #else//__GNUC__ - may need other defines for different compilers
- #define GR_WARN(MSG) ("WARNING: " MSG)
- #endif
- /**
- * GR_ALWAYSBREAK is an unconditional break in all builds.
- */
- #if !defined(GR_ALWAYSBREAK)
- #if defined(SK_BUILD_FOR_WIN)
- #define GR_ALWAYSBREAK SkNO_RETURN_HINT(); __debugbreak()
- #else
- // TODO: do other platforms really not have continuable breakpoints?
- // sign extend for 64bit architectures to be sure this is
- // in the high address range
- #define GR_ALWAYSBREAK SkNO_RETURN_HINT(); *((int*)(int64_t)(int32_t)0xbeefcafe) = 0;
- #endif
- #endif
- /**
- * GR_DEBUGBREAK is an unconditional break in debug builds.
- */
- #if !defined(GR_DEBUGBREAK)
- #ifdef SK_DEBUG
- #define GR_DEBUGBREAK GR_ALWAYSBREAK
- #else
- #define GR_DEBUGBREAK
- #endif
- #endif
- /**
- * GR_ALWAYSASSERT is an assertion in all builds.
- */
- #if !defined(GR_ALWAYSASSERT)
- #define GR_ALWAYSASSERT(COND) \
- do { \
- if (!(COND)) { \
- SkDebugf("%s %s failed\n", GR_FILE_AND_LINE_STR, #COND); \
- GR_ALWAYSBREAK; \
- } \
- } while (false)
- #endif
- /**
- * GR_DEBUGASSERT is an assertion in debug builds only.
- */
- #if !defined(GR_DEBUGASSERT)
- #ifdef SK_DEBUG
- #define GR_DEBUGASSERT(COND) GR_ALWAYSASSERT(COND)
- #else
- #define GR_DEBUGASSERT(COND)
- #endif
- #endif
- /**
- * Prettier forms of the above macros.
- */
- #define GrAlwaysAssert(COND) GR_ALWAYSASSERT(COND)
- /**
- * GR_STATIC_ASSERT is a compile time assertion. Depending on the platform
- * it may print the message in the compiler log. Obviously, the condition must
- * be evaluatable at compile time.
- */
- #define GR_STATIC_ASSERT(CONDITION) static_assert(CONDITION, "bug")
- #endif
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