/usr/include/thunderbird/skia/GrConfig.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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 "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)
#define GR_CACHE_STATS 0
#endif
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
#if defined(SK_BUILD_FOR_WIN32)
// VC8 doesn't support stdint.h, so we define those types here.
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef short int16_t;
typedef unsigned short uint16_t;
typedef int int32_t;
typedef unsigned uint32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
/*
* 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>
#endif
/*
* The "user config" file can be empty, and everything should work. It is
* meant to store a given platform/client's overrides of our guess-work.
*
* A alternate user config file can be specified by defining
* GR_USER_CONFIG_FILE. It should be defined relative to GrConfig.h
*
* e.g. it can change the BUILD target or supply its own defines for anything
* else (e.g. GR_DEFAULT_RESOURCE_CACHE_MB_LIMIT)
*/
#if !defined(GR_USER_CONFIG_FILE)
#include "GrUserConfig.h"
#else
#include GR_USER_CONFIG_FILE
#endif
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// postconfig section:
//
// By now we must have a GR_..._BUILD symbol set to 1, and a decision about
// debug -vs- release
//
#define GrPrintf SkDebugf
/**
* 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) && _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_WIN32)
#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)) { \
GrPrintf("%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.
*/
// VS 2010 and GCC compiled with c++0x or gnu++0x support the new
// static_assert.
#if !defined(GR_STATIC_ASSERT)
#if (defined(_MSC_VER) && _MSC_VER >= 1600) || (defined(__GXX_EXPERIMENTAL_CXX0X__) && __GXX_EXPERIMENTAL_CXX0X__)
#define GR_STATIC_ASSERT(CONDITION) static_assert(CONDITION, "bug")
#else
template <bool> class GR_STATIC_ASSERT_FAILURE;
template <> class GR_STATIC_ASSERT_FAILURE<true> {};
#define GR_STATIC_ASSERT(CONDITION) \
enum {GR_CONCAT(X,__LINE__) = \
sizeof(GR_STATIC_ASSERT_FAILURE<CONDITION>)}
#endif
#endif
/**
* GR_GEOM_BUFFER_MAP_THRESHOLD gives a threshold (in bytes) for when Gr should
* map a GrGeometryBuffer to update its contents. It will use map() if the
* size of the updated region is greater than the threshold. Otherwise it will
* use updateData().
*/
#if !defined(GR_GEOM_BUFFER_MAP_THRESHOLD)
#define GR_GEOM_BUFFER_MAP_THRESHOLD (1 << 15)
#endif
/**
* GR_DEFAULT_RESOURCE_CACHE_MB_LIMIT gives a threshold (in megabytes) for the
* maximum size of the texture cache in vram. The value is only a default and
* can be overridden at runtime.
*/
#if !defined(GR_DEFAULT_RESOURCE_CACHE_MB_LIMIT)
#define GR_DEFAULT_RESOURCE_CACHE_MB_LIMIT 96
#endif
/**
* GR_DEFAULT_RESOURCE_CACHE_COUNT_LIMIT specifies the maximum number of
* textures the texture cache can hold in vram. The value is only a default and
* can be overridden at runtime.
*/
#if !defined(GR_DEFAULT_RESOURCE_CACHE_COUNT_LIMIT)
#define GR_DEFAULT_RESOURCE_CACHE_COUNT_LIMIT 2048
#endif
/**
* GR_STROKE_PATH_RENDERING controls whether or not the GrStrokePathRenderer can be selected
* as a path renderer. GrStrokePathRenderer is currently an experimental path renderer.
*/
#if !defined(GR_STROKE_PATH_RENDERING)
#define GR_STROKE_PATH_RENDERING 0
#endif
/**
* GR_ALWAYS_ALLOCATE_ON_HEAP determines whether various temporary buffers created
* in the GPU backend are always allocated on the heap or are allowed to be
* allocated on the stack for smaller memory requests.
*
* This is only used for memory buffers that are created and then passed through to the
* 3D API (e.g. as texture or geometry data)
*/
#if !defined(GR_ALWAYS_ALLOCATE_ON_HEAP)
#define GR_ALWAYS_ALLOCATE_ON_HEAP 0
#endif
#endif
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