1 /* -----------------------------------------------------------------------------
2 
3     Copyright (c) 2006 Simon Brown                          si@sjbrown.co.uk
4 
5     Permission is hereby granted, free of charge, to any person obtaining
6     a copy of this software and associated documentation files (the
7     "Software"), to deal in the Software without restriction, including
8     without limitation the rights to use, copy, modify, merge, publish,
9     distribute, sublicense, and/or sell copies of the Software, and to
10     permit persons to whom the Software is furnished to do so, subject to
11     the following conditions:
12 
13     The above copyright notice and this permission notice shall be included
14     in all copies or substantial portions of the Software.
15 
16     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17     OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
20     CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21     TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22     SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 
24    -------------------------------------------------------------------------- */
25 
26 #ifndef SQUISH_CONFIG_H
27 #define SQUISH_CONFIG_H
28 
29 // Set to 1 when building squish to use Altivec instructions.
30 #ifndef SQUISH_USE_ALTIVEC
31 #define SQUISH_USE_ALTIVEC 0
32 #endif
33 
34 // Set to 1 or 2 when building squish to use SSE or SSE2 instructions.
35 // -- GODOT start --
36 #ifdef _MSC_VER
37   #if defined(_M_IX86_FP)
38     #if _M_IX86_FP >= 2
39       #define SQUISH_USE_SSE 2
40     #elif _M_IX86_FP >= 1
41       #define SQUISH_USE_SSE 1
42     #endif
43   #elif defined(_M_X64)
44     #define SQUISH_USE_SSE 2
45   #endif
46 #else
47   #if defined(__SSE2__)
48     #define SQUISH_USE_SSE 2
49   #elif defined(__SSE__)
50     #define SQUISH_USE_SSE 1
51   #endif
52 #endif
53 // -- GODOT end --
54 
55 #ifndef SQUISH_USE_SSE
56 #define SQUISH_USE_SSE 0
57 #endif
58 
59 // Internally set SQUISH_USE_SIMD when either Altivec or SSE is available.
60 #if SQUISH_USE_ALTIVEC && SQUISH_USE_SSE
61 #error "Cannot enable both Altivec and SSE!"
62 #endif
63 #if SQUISH_USE_ALTIVEC || SQUISH_USE_SSE
64 #define SQUISH_USE_SIMD 1
65 #else
66 #define SQUISH_USE_SIMD 0
67 #endif
68 
69 #endif // ndef SQUISH_CONFIG_H
70