SkPostConfig.h revision 83f7bc30af2837c985934e14597caec332899a1c 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef SkPostConfig_DEFINED
18#define SkPostConfig_DEFINED
19
20#if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_WINCE)
21    #define SK_BUILD_FOR_WIN
22#endif
23
24#if defined(SK_DEBUG) && defined(SK_RELEASE)
25    #error "cannot define both SK_DEBUG and SK_RELEASE"
26#elif !defined(SK_DEBUG) && !defined(SK_RELEASE)
27    #error "must define either SK_DEBUG or SK_RELEASE"
28#endif
29
30#if defined SK_SUPPORT_UNITTEST && !defined(SK_DEBUG)
31    #error "can't have unittests without debug"
32#endif
33
34#if defined(SK_SCALAR_IS_FIXED) && defined(SK_SCALAR_IS_FLOAT)
35    #error "cannot define both SK_SCALAR_IS_FIXED and SK_SCALAR_IS_FLOAT"
36#elif !defined(SK_SCALAR_IS_FIXED) && !defined(SK_SCALAR_IS_FLOAT)
37    #ifdef SK_CAN_USE_FLOAT
38        #define SK_SCALAR_IS_FLOAT
39    #else
40        #define SK_SCALAR_IS_FIXED
41    #endif
42#endif
43
44#if defined(SK_SCALAR_IS_FLOAT) && !defined(SK_CAN_USE_FLOAT)
45    #define SK_CAN_USE_FLOAT
46    // we do nothing in the else case: fixed-scalars can have floats or not
47#endif
48
49#if defined(SK_CPU_LENDIAN) && defined(SK_CPU_BENDIAN)
50    #error "cannot define both SK_CPU_LENDIAN and SK_CPU_BENDIAN"
51#elif !defined(SK_CPU_LENDIAN) && !defined(SK_CPU_BENDIAN)
52    #error "must define either SK_CPU_LENDIAN or SK_CPU_BENDIAN"
53#endif
54
55// ensure the port has defined all of these, or none of them
56#ifdef SK_A32_SHIFT
57    #if !defined(SK_R32_SHIFT) || !defined(SK_G32_SHIFT) || !defined(SK_B32_SHIFT)
58        #error "all or none of the 32bit SHIFT amounts must be defined"
59    #endif
60#else
61    #if defined(SK_R32_SHIFT) || defined(SK_G32_SHIFT) || defined(SK_B32_SHIFT)
62        #error "all or none of the 32bit SHIFT amounts must be defined"
63    #endif
64#endif
65
66///////////////////////////////////////////////////////////////////////////////
67
68#ifndef SkNEW
69    #define SkNEW(type_name)                new type_name
70    #define SkNEW_ARGS(type_name, args)     new type_name args
71    #define SkNEW_ARRAY(type_name, count)   new type_name[count]
72    #define SkDELETE(obj)                   delete obj
73    #define SkDELETE_ARRAY(array)           delete[] array
74#endif
75
76#ifndef SK_CRASH
77#if 1   // set to 0 for infinite loop, which can help connecting gdb
78    #define SK_CRASH() *(int *)(uintptr_t)0xbbadbeef = 0
79#else
80    #define SK_CRASH()  do {} while (true)
81#endif
82#endif
83
84///////////////////////////////////////////////////////////////////////////////
85
86#if defined(SK_SOFTWARE_FLOAT) && defined(SK_SCALAR_IS_FLOAT)
87    // if this is defined, we convert floats to 2scompliment ints for compares
88    #ifndef SK_SCALAR_SLOW_COMPARES
89        #define SK_SCALAR_SLOW_COMPARES
90    #endif
91    #ifndef SK_USE_FLOATBITS
92        #define SK_USE_FLOATBITS
93    #endif
94#endif
95
96#ifdef SK_BUILD_FOR_WIN
97    // we want lean_and_mean when we include windows.h
98    #ifndef WIN32_LEAN_AND_MEAN
99        #define WIN32_LEAN_AND_MEAN
100        #define WIN32_IS_MEAN_WAS_LOCALLY_DEFINED
101    #endif
102
103    #include <windows.h>
104
105    #ifdef WIN32_IS_MEAN_WAS_LOCALLY_DEFINED
106        #undef WIN32_LEAN_AND_MEAN
107    #endif
108
109    #ifndef SK_DEBUGBREAK
110        #define SK_DEBUGBREAK(cond)     do { if (!(cond)) DebugBreak(); } while (false)
111    #endif
112#elif defined(SK_BUILD_FOR_MAC)
113    #ifndef SK_DEBUGBREAK
114        #define SK_DEBUGBREAK(cond)     do { if (!(cond)) SK_CRASH(); } while (false)
115    #endif
116#else
117    #ifdef SK_DEBUG
118        #include <stdio.h>
119        #ifndef SK_DEBUGBREAK
120            #define SK_DEBUGBREAK(cond) do { if (cond) break; \
121                SkDebugf("%s:%d: failed assertion \"%s\"\n", \
122                __FILE__, __LINE__, #cond); SK_CRASH(); } while (false)
123        #endif
124    #endif
125#endif
126
127//  stdlib macros
128
129#if 0
130#if !defined(strlen) && defined(SK_DEBUG)
131    extern size_t sk_strlen(const char*);
132    #define strlen(s)   sk_strlen(s)
133#endif
134#ifndef sk_strcpy
135    #define sk_strcpy(dst, src)     strcpy(dst, src)
136#endif
137#ifndef sk_strchr
138    #define sk_strchr(s, c)         strchr(s, c)
139#endif
140#ifndef sk_strrchr
141    #define sk_strrchr(s, c)        strrchr(s, c)
142#endif
143#ifndef sk_strcmp
144    #define sk_strcmp(s, t)         strcmp(s, t)
145#endif
146#ifndef sk_strncmp
147    #define sk_strncmp(s, t, n)     strncmp(s, t, n)
148#endif
149#ifndef sk_memcpy
150    #define sk_memcpy(dst, src, n)  memcpy(dst, src, n)
151#endif
152#ifndef memmove
153    #define memmove(dst, src, n)    memmove(dst, src, n)
154#endif
155#ifndef sk_memset
156    #define sk_memset(dst, val, n)  memset(dst, val, n)
157#endif
158#ifndef sk_memcmp
159    #define sk_memcmp(s, t, n)      memcmp(s, t, n)
160#endif
161
162#define sk_strequal(s, t)           (!sk_strcmp(s, t))
163#define sk_strnequal(s, t, n)       (!sk_strncmp(s, t, n))
164#endif
165
166//////////////////////////////////////////////////////////////////////
167
168#if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_MAC)
169    #ifndef SkLONGLONG
170        #ifdef SK_BUILD_FOR_WIN32
171            #define SkLONGLONG  __int64
172        #else
173            #define SkLONGLONG  long long
174        #endif
175    #endif
176#endif
177
178//////////////////////////////////////////////////////////////////////////////////////////////
179#ifndef SK_BUILD_FOR_WINCE
180#include <string.h>
181#include <stdlib.h>
182#else
183#define _CMNINTRIN_DECLARE_ONLY
184#include "cmnintrin.h"
185#endif
186
187#if defined SK_DEBUG && defined SK_BUILD_FOR_WIN32
188//#define _CRTDBG_MAP_ALLOC
189#ifdef free
190#undef free
191#endif
192#include <crtdbg.h>
193#undef free
194
195#ifdef SK_DEBUGx
196#if defined(SK_SIMULATE_FAILED_MALLOC) && defined(__cplusplus)
197    void * operator new(
198        size_t cb,
199        int nBlockUse,
200        const char * szFileName,
201        int nLine,
202        int foo
203        );
204    void * operator new[](
205        size_t cb,
206        int nBlockUse,
207        const char * szFileName,
208        int nLine,
209        int foo
210        );
211    void operator delete(
212        void *pUserData,
213        int, const char*, int, int
214        );
215    void operator delete(
216        void *pUserData
217        );
218    void operator delete[]( void * p );
219    #define DEBUG_CLIENTBLOCK   new( _CLIENT_BLOCK, __FILE__, __LINE__, 0)
220#else
221    #define DEBUG_CLIENTBLOCK   new( _CLIENT_BLOCK, __FILE__, __LINE__)
222#endif
223    #define new DEBUG_CLIENTBLOCK
224#else
225#define DEBUG_CLIENTBLOCK
226#endif // _DEBUG
227
228#endif
229
230#endif
231
232