slouken@739
|
1 |
/*
|
slouken@739
|
2 |
SDL - Simple DirectMedia Layer
|
slouken@1312
|
3 |
Copyright (C) 1997-2006 Sam Lantinga
|
slouken@739
|
4 |
|
slouken@739
|
5 |
This library is free software; you can redistribute it and/or
|
slouken@1312
|
6 |
modify it under the terms of the GNU Lesser General Public
|
slouken@739
|
7 |
License as published by the Free Software Foundation; either
|
slouken@1312
|
8 |
version 2.1 of the License, or (at your option) any later version.
|
slouken@739
|
9 |
|
slouken@739
|
10 |
This library is distributed in the hope that it will be useful,
|
slouken@739
|
11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
slouken@739
|
12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
slouken@1312
|
13 |
Lesser General Public License for more details.
|
slouken@739
|
14 |
|
slouken@1312
|
15 |
You should have received a copy of the GNU Lesser General Public
|
slouken@1312
|
16 |
License along with this library; if not, write to the Free Software
|
slouken@1312
|
17 |
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
slouken@739
|
18 |
|
slouken@739
|
19 |
Sam Lantinga
|
slouken@739
|
20 |
slouken@libsdl.org
|
slouken@739
|
21 |
*/
|
slouken@1402
|
22 |
#include "SDL_config.h"
|
slouken@739
|
23 |
|
slouken@739
|
24 |
/* CPU feature detection for SDL */
|
slouken@739
|
25 |
|
slouken@1361
|
26 |
#include "SDL.h"
|
slouken@1361
|
27 |
#include "SDL_cpuinfo.h"
|
slouken@1361
|
28 |
|
slouken@1590
|
29 |
#if defined(__MACOSX__) && defined(__ppc__)
|
slouken@1662
|
30 |
#include <sys/sysctl.h> /* For AltiVec check */
|
slouken@1487
|
31 |
#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
|
slouken@793
|
32 |
#include <signal.h>
|
slouken@793
|
33 |
#include <setjmp.h>
|
slouken@793
|
34 |
#endif
|
slouken@793
|
35 |
|
slouken@745
|
36 |
#define CPU_HAS_RDTSC 0x00000001
|
slouken@745
|
37 |
#define CPU_HAS_MMX 0x00000002
|
slouken@785
|
38 |
#define CPU_HAS_MMXEXT 0x00000004
|
slouken@785
|
39 |
#define CPU_HAS_3DNOW 0x00000010
|
slouken@785
|
40 |
#define CPU_HAS_3DNOWEXT 0x00000020
|
slouken@785
|
41 |
#define CPU_HAS_SSE 0x00000040
|
slouken@785
|
42 |
#define CPU_HAS_SSE2 0x00000080
|
slouken@785
|
43 |
#define CPU_HAS_ALTIVEC 0x00000100
|
slouken@739
|
44 |
|
slouken@1487
|
45 |
#if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__
|
slouken@793
|
46 |
/* This is the brute force way of detecting instruction sets...
|
slouken@793
|
47 |
the idea is borrowed from the libmpeg2 library - thanks!
|
slouken@793
|
48 |
*/
|
slouken@793
|
49 |
static jmp_buf jmpbuf;
|
slouken@1662
|
50 |
static void
|
slouken@1668
|
51 |
illegal_instruction(int sig)
|
slouken@793
|
52 |
{
|
slouken@1668
|
53 |
longjmp(jmpbuf, 1);
|
slouken@793
|
54 |
}
|
slouken@1361
|
55 |
#endif /* HAVE_SETJMP */
|
slouken@793
|
56 |
|
slouken@1662
|
57 |
static __inline__ int
|
slouken@1668
|
58 |
CPU_haveCPUID(void)
|
slouken@745
|
59 |
{
|
slouken@1662
|
60 |
int has_CPUID = 0;
|
slouken@745
|
61 |
#if defined(__GNUC__) && defined(i386)
|
slouken@1668
|
62 |
__asm__(" pushfl # Get original EFLAGS \n" " popl %%eax \n" " movl %%eax,%%ecx \n" " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n" " pushl %%eax # Save new EFLAGS value on stack \n" " popfl # Replace current EFLAGS value \n" " pushfl # Get new EFLAGS \n" " popl %%eax # Store new EFLAGS in EAX \n" " xorl %%ecx,%%eax # Can not toggle ID bit, \n" " jz 1f # Processor=80486 \n" " movl $1,%0 # We have CPUID support \n" "1: \n": "=m"(has_CPUID):
|
slouken@1662
|
63 |
:"%eax", "%ecx");
|
slouken@881
|
64 |
#elif defined(__GNUC__) && defined(__x86_64__)
|
slouken@881
|
65 |
/* Technically, if this is being compiled under __x86_64__ then it has
|
slouken@881
|
66 |
CPUid by definition. But it's nice to be able to prove it. :) */
|
slouken@1668
|
67 |
__asm__(" pushfq # Get original EFLAGS \n" " popq %%rax \n" " movq %%rax,%%rcx \n" " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n" " pushq %%rax # Save new EFLAGS value on stack \n" " popfq # Replace current EFLAGS value \n" " pushfq # Get new EFLAGS \n" " popq %%rax # Store new EFLAGS in EAX \n" " xorl %%ecx,%%eax # Can not toggle ID bit, \n" " jz 1f # Processor=80486 \n" " movl $1,%0 # We have CPUID support \n" "1: \n": "=m"(has_CPUID):
|
slouken@1662
|
68 |
:"%rax", "%rcx");
|
slouken@1442
|
69 |
#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
|
slouken@1662
|
70 |
__asm {
|
slouken@1662
|
71 |
pushfd;
|
slouken@1662
|
72 |
Get original EFLAGS pop eax mov ecx, eax xor eax, 200000 h;
|
slouken@1662
|
73 |
Flip ID bit in EFLAGS push eax;
|
slouken@1662
|
74 |
Save new EFLAGS value on stack popfd;
|
slouken@1662
|
75 |
Replace current EFLAGS value pushfd;
|
slouken@1662
|
76 |
Get new EFLAGS pop eax;
|
slouken@1662
|
77 |
Store new EFLAGS in EAX xor eax, ecx;
|
slouken@1662
|
78 |
Can not toggle ID bit, jz done;
|
slouken@1662
|
79 |
Processor = 80486 mov has_CPUID, 1;
|
slouken@1662
|
80 |
We have CPUID support done:}
|
icculus@1229
|
81 |
#elif defined(__sun) && defined(__x86)
|
slouken@1668
|
82 |
__asm(" pushfl \n"
|
slouken@1668
|
83 |
" popl %eax \n"
|
slouken@1668
|
84 |
" movl %eax,%ecx \n"
|
slouken@1668
|
85 |
" xorl $0x200000,%eax \n"
|
slouken@1668
|
86 |
" pushl %eax \n"
|
slouken@1668
|
87 |
" popfl \n"
|
slouken@1668
|
88 |
" pushfl \n"
|
slouken@1668
|
89 |
" popl %eax \n"
|
slouken@1668
|
90 |
" xorl %ecx,%eax \n"
|
slouken@1668
|
91 |
" jz 1f \n"
|
slouken@1668
|
92 |
" movl $1,-8(%ebp) \n"
|
slouken@1668
|
93 |
"1: \n");
|
icculus@1229
|
94 |
#elif defined(__sun) && defined(__amd64)
|
slouken@1668
|
95 |
__asm(" pushfq \n"
|
slouken@1668
|
96 |
" popq %rax \n"
|
slouken@1668
|
97 |
" movq %rax,%rcx \n"
|
slouken@1668
|
98 |
" xorl $0x200000,%eax \n"
|
slouken@1668
|
99 |
" pushq %rax \n"
|
slouken@1668
|
100 |
" popfq \n"
|
slouken@1668
|
101 |
" pushfq \n"
|
slouken@1668
|
102 |
" popq %rax \n"
|
slouken@1668
|
103 |
" xorl %ecx,%eax \n"
|
slouken@1668
|
104 |
" jz 1f \n"
|
slouken@1668
|
105 |
" movl $1,-8(%rbp) \n"
|
slouken@1668
|
106 |
"1: \n");
|
slouken@745
|
107 |
#endif
|
slouken@1662
|
108 |
return has_CPUID;
|
slouken@745
|
109 |
}
|
slouken@745
|
110 |
|
slouken@1662
|
111 |
static __inline__ int
|
slouken@1668
|
112 |
CPU_getCPUIDFeatures(void)
|
slouken@745
|
113 |
{
|
slouken@1662
|
114 |
int features = 0;
|
slouken@881
|
115 |
#if defined(__GNUC__) && ( defined(i386) || defined(__x86_64__) )
|
slouken@1668
|
116 |
__asm__(" movl %%ebx,%%edi\n" " xorl %%eax,%%eax # Set up for CPUID instruction \n" " cpuid # Get and save vendor ID \n" " cmpl $1,%%eax # Make sure 1 is valid input for CPUID\n" " jl 1f # We dont have the CPUID instruction\n" " xorl %%eax,%%eax \n" " incl %%eax \n" " cpuid # Get family/model/stepping/features\n" " movl %%edx,%0 \n" "1: \n" " movl %%edi,%%ebx\n": "=m"(features):
|
slouken@1662
|
117 |
:"%eax", "%ecx", "%edx", "%edi");
|
slouken@1442
|
118 |
#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
|
slouken@1662
|
119 |
__asm {
|
slouken@1662
|
120 |
xor eax, eax;
|
slouken@1662
|
121 |
Set up for CPUID instruction
|
slouken@1662
|
122 |
cpuid; Get and save vendor ID
|
slouken@1662
|
123 |
cmp eax, 1; Make sure 1 is valid input for CPUID
|
slouken@1662
|
124 |
jl done; We dont have the CPUID instruction
|
slouken@1662
|
125 |
xor eax, eax
|
slouken@1662
|
126 |
inc eax
|
slouken@1662
|
127 |
cpuid; Get family / model / stepping / features
|
slouken@1662
|
128 |
mov features, edx done:}
|
icculus@1229
|
129 |
#elif defined(__sun) && (defined(__x86) || defined(__amd64))
|
slouken@1662
|
130 |
__asm
|
slouken@1662
|
131 |
(" movl %ebx,%edi\n"
|
slouken@1662
|
132 |
" xorl %eax,%eax \n"
|
slouken@1662
|
133 |
" cpuid \n"
|
slouken@1662
|
134 |
" cmpl $1,%eax \n"
|
slouken@1662
|
135 |
" jl 1f \n"
|
slouken@1662
|
136 |
" xorl %eax,%eax \n"
|
slouken@1662
|
137 |
" incl %eax \n"
|
slouken@1662
|
138 |
" cpuid \n"
|
icculus@1229
|
139 |
#ifdef __i386
|
slouken@1662
|
140 |
" movl %edx,-8(%ebp) \n"
|
icculus@1229
|
141 |
#else
|
slouken@1662
|
142 |
" movl %edx,-8(%rbp) \n"
|
icculus@1229
|
143 |
#endif
|
slouken@1662
|
144 |
"1: \n"
|
slouken@1662
|
145 |
" movl %edi,%ebx\n");
|
slouken@745
|
146 |
#endif
|
slouken@1662
|
147 |
return features;
|
slouken@745
|
148 |
}
|
slouken@745
|
149 |
|
slouken@1662
|
150 |
static __inline__ int
|
slouken@1668
|
151 |
CPU_getCPUIDFeaturesExt(void)
|
slouken@785
|
152 |
{
|
slouken@1662
|
153 |
int features = 0;
|
slouken@881
|
154 |
#if defined(__GNUC__) && (defined(i386) || defined (__x86_64__) )
|
slouken@1668
|
155 |
__asm__(" movl %%ebx,%%edi\n" " movl $0x80000000,%%eax # Query for extended functions \n" " cpuid # Get extended function limit \n" " cmpl $0x80000001,%%eax \n" " jl 1f # Nope, we dont have function 800000001h\n" " movl $0x80000001,%%eax # Setup extended function 800000001h\n" " cpuid # and get the information \n" " movl %%edx,%0 \n" "1: \n" " movl %%edi,%%ebx\n": "=m"(features):
|
slouken@1662
|
156 |
:"%eax", "%ecx", "%edx", "%edi");
|
slouken@1442
|
157 |
#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
|
slouken@1662
|
158 |
__asm {
|
slouken@1662
|
159 |
mov eax, 80000000 h;
|
slouken@1662
|
160 |
Query for extended functions
|
slouken@1662
|
161 |
cpuid; Get extended function limit
|
slouken@1662
|
162 |
cmp eax, 80000001 h jl done; Nope
|
slouken@1662
|
163 |
, we dont have function 800000001 h mov eax, 80000001 h;
|
slouken@1662
|
164 |
Setup extended function 800000001 h cpuid;
|
slouken@1662
|
165 |
and get the information mov features, edx done:}
|
icculus@1229
|
166 |
#elif defined(__sun) && ( defined(__i386) || defined(__amd64) )
|
slouken@1668
|
167 |
__asm(" movl %ebx,%edi\n"
|
slouken@1668
|
168 |
" movl $0x80000000,%eax \n"
|
slouken@1668
|
169 |
" cpuid \n"
|
slouken@1668
|
170 |
" cmpl $0x80000001,%eax \n"
|
slouken@1668
|
171 |
" jl 1f \n"
|
slouken@1668
|
172 |
" movl $0x80000001,%eax \n"
|
slouken@1668
|
173 |
" cpuid \n"
|
icculus@1229
|
174 |
#ifdef __i386
|
slouken@1668
|
175 |
" movl %edx,-8(%ebp) \n"
|
icculus@1229
|
176 |
#else
|
slouken@1668
|
177 |
" movl %edx,-8(%rbp) \n"
|
icculus@1229
|
178 |
#endif
|
slouken@1668
|
179 |
"1: \n"
|
slouken@1668
|
180 |
" movl %edi,%ebx\n");
|
slouken@785
|
181 |
#endif
|
slouken@1662
|
182 |
return features;
|
slouken@785
|
183 |
}
|
slouken@785
|
184 |
|
slouken@1662
|
185 |
static __inline__ int
|
slouken@1668
|
186 |
CPU_haveRDTSC(void)
|
slouken@745
|
187 |
{
|
slouken@1668
|
188 |
if (CPU_haveCPUID()) {
|
slouken@1668
|
189 |
return (CPU_getCPUIDFeatures() & 0x00000010);
|
slouken@1662
|
190 |
}
|
slouken@1662
|
191 |
return 0;
|
slouken@745
|
192 |
}
|
slouken@745
|
193 |
|
slouken@1662
|
194 |
static __inline__ int
|
slouken@1668
|
195 |
CPU_haveMMX(void)
|
slouken@745
|
196 |
{
|
slouken@1668
|
197 |
if (CPU_haveCPUID()) {
|
slouken@1668
|
198 |
return (CPU_getCPUIDFeatures() & 0x00800000);
|
slouken@1662
|
199 |
}
|
slouken@1662
|
200 |
return 0;
|
slouken@745
|
201 |
}
|
slouken@745
|
202 |
|
slouken@1662
|
203 |
static __inline__ int
|
slouken@1668
|
204 |
CPU_haveMMXExt(void)
|
slouken@785
|
205 |
{
|
slouken@1668
|
206 |
if (CPU_haveCPUID()) {
|
slouken@1668
|
207 |
return (CPU_getCPUIDFeaturesExt() & 0x00400000);
|
slouken@1662
|
208 |
}
|
slouken@1662
|
209 |
return 0;
|
slouken@785
|
210 |
}
|
slouken@785
|
211 |
|
slouken@1662
|
212 |
static __inline__ int
|
slouken@1668
|
213 |
CPU_have3DNow(void)
|
slouken@745
|
214 |
{
|
slouken@1668
|
215 |
if (CPU_haveCPUID()) {
|
slouken@1668
|
216 |
return (CPU_getCPUIDFeaturesExt() & 0x80000000);
|
slouken@1662
|
217 |
}
|
slouken@1662
|
218 |
return 0;
|
slouken@785
|
219 |
}
|
slouken@785
|
220 |
|
slouken@1662
|
221 |
static __inline__ int
|
slouken@1668
|
222 |
CPU_have3DNowExt(void)
|
slouken@785
|
223 |
{
|
slouken@1668
|
224 |
if (CPU_haveCPUID()) {
|
slouken@1668
|
225 |
return (CPU_getCPUIDFeaturesExt() & 0x40000000);
|
slouken@1662
|
226 |
}
|
slouken@1662
|
227 |
return 0;
|
slouken@745
|
228 |
}
|
slouken@745
|
229 |
|
slouken@1662
|
230 |
static __inline__ int
|
slouken@1668
|
231 |
CPU_haveSSE(void)
|
slouken@745
|
232 |
{
|
slouken@1668
|
233 |
if (CPU_haveCPUID()) {
|
slouken@1668
|
234 |
return (CPU_getCPUIDFeatures() & 0x02000000);
|
slouken@1662
|
235 |
}
|
slouken@1662
|
236 |
return 0;
|
slouken@745
|
237 |
}
|
slouken@739
|
238 |
|
slouken@1662
|
239 |
static __inline__ int
|
slouken@1668
|
240 |
CPU_haveSSE2(void)
|
slouken@785
|
241 |
{
|
slouken@1668
|
242 |
if (CPU_haveCPUID()) {
|
slouken@1668
|
243 |
return (CPU_getCPUIDFeatures() & 0x04000000);
|
slouken@1662
|
244 |
}
|
slouken@1662
|
245 |
return 0;
|
slouken@785
|
246 |
}
|
slouken@785
|
247 |
|
slouken@1662
|
248 |
static __inline__ int
|
slouken@1668
|
249 |
CPU_haveAltiVec(void)
|
slouken@778
|
250 |
{
|
slouken@1662
|
251 |
volatile int altivec = 0;
|
slouken@1590
|
252 |
#if defined(__MACOSX__) && defined(__ppc__)
|
slouken@1662
|
253 |
int selectors[2] = { CTL_HW, HW_VECTORUNIT };
|
slouken@1662
|
254 |
int hasVectorUnit = 0;
|
slouken@1668
|
255 |
size_t length = sizeof(hasVectorUnit);
|
slouken@1668
|
256 |
int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);
|
slouken@1662
|
257 |
if (0 == error)
|
slouken@1662
|
258 |
altivec = (hasVectorUnit != 0);
|
slouken@1361
|
259 |
#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
|
slouken@1662
|
260 |
void (*handler) (int sig);
|
slouken@1668
|
261 |
handler = signal(SIGILL, illegal_instruction);
|
slouken@1668
|
262 |
if (setjmp(jmpbuf) == 0) {
|
slouken@1662
|
263 |
asm volatile ("mtspr 256, %0\n\t" "vand %%v0, %%v0, %%v0"::"r" (-1));
|
slouken@1662
|
264 |
altivec = 1;
|
slouken@1662
|
265 |
}
|
slouken@1668
|
266 |
signal(SIGILL, handler);
|
slouken@778
|
267 |
#endif
|
slouken@1662
|
268 |
return altivec;
|
slouken@778
|
269 |
}
|
slouken@778
|
270 |
|
slouken@739
|
271 |
static Uint32 SDL_CPUFeatures = 0xFFFFFFFF;
|
slouken@739
|
272 |
|
slouken@1662
|
273 |
static Uint32
|
slouken@1668
|
274 |
SDL_GetCPUFeatures(void)
|
slouken@739
|
275 |
{
|
slouken@1662
|
276 |
if (SDL_CPUFeatures == 0xFFFFFFFF) {
|
slouken@1662
|
277 |
SDL_CPUFeatures = 0;
|
slouken@1668
|
278 |
if (CPU_haveRDTSC()) {
|
slouken@1662
|
279 |
SDL_CPUFeatures |= CPU_HAS_RDTSC;
|
slouken@1662
|
280 |
}
|
slouken@1668
|
281 |
if (CPU_haveMMX()) {
|
slouken@1662
|
282 |
SDL_CPUFeatures |= CPU_HAS_MMX;
|
slouken@1662
|
283 |
}
|
slouken@1668
|
284 |
if (CPU_haveMMXExt()) {
|
slouken@1662
|
285 |
SDL_CPUFeatures |= CPU_HAS_MMXEXT;
|
slouken@1662
|
286 |
}
|
slouken@1668
|
287 |
if (CPU_have3DNow()) {
|
slouken@1662
|
288 |
SDL_CPUFeatures |= CPU_HAS_3DNOW;
|
slouken@1662
|
289 |
}
|
slouken@1668
|
290 |
if (CPU_have3DNowExt()) {
|
slouken@1662
|
291 |
SDL_CPUFeatures |= CPU_HAS_3DNOWEXT;
|
slouken@1662
|
292 |
}
|
slouken@1668
|
293 |
if (CPU_haveSSE()) {
|
slouken@1662
|
294 |
SDL_CPUFeatures |= CPU_HAS_SSE;
|
slouken@1662
|
295 |
}
|
slouken@1668
|
296 |
if (CPU_haveSSE2()) {
|
slouken@1662
|
297 |
SDL_CPUFeatures |= CPU_HAS_SSE2;
|
slouken@1662
|
298 |
}
|
slouken@1668
|
299 |
if (CPU_haveAltiVec()) {
|
slouken@1662
|
300 |
SDL_CPUFeatures |= CPU_HAS_ALTIVEC;
|
slouken@1662
|
301 |
}
|
slouken@1662
|
302 |
}
|
slouken@1662
|
303 |
return SDL_CPUFeatures;
|
slouken@739
|
304 |
}
|
slouken@739
|
305 |
|
slouken@1662
|
306 |
SDL_bool
|
slouken@1668
|
307 |
SDL_HasRDTSC(void)
|
slouken@745
|
308 |
{
|
slouken@1668
|
309 |
if (SDL_GetCPUFeatures() & CPU_HAS_RDTSC) {
|
slouken@1662
|
310 |
return SDL_TRUE;
|
slouken@1662
|
311 |
}
|
slouken@1662
|
312 |
return SDL_FALSE;
|
slouken@745
|
313 |
}
|
slouken@745
|
314 |
|
slouken@1662
|
315 |
SDL_bool
|
slouken@1668
|
316 |
SDL_HasMMX(void)
|
slouken@739
|
317 |
{
|
slouken@1668
|
318 |
if (SDL_GetCPUFeatures() & CPU_HAS_MMX) {
|
slouken@1662
|
319 |
return SDL_TRUE;
|
slouken@1662
|
320 |
}
|
slouken@1662
|
321 |
return SDL_FALSE;
|
slouken@739
|
322 |
}
|
slouken@739
|
323 |
|
slouken@1662
|
324 |
SDL_bool
|
slouken@1668
|
325 |
SDL_HasMMXExt(void)
|
slouken@804
|
326 |
{
|
slouken@1668
|
327 |
if (SDL_GetCPUFeatures() & CPU_HAS_MMXEXT) {
|
slouken@1662
|
328 |
return SDL_TRUE;
|
slouken@1662
|
329 |
}
|
slouken@1662
|
330 |
return SDL_FALSE;
|
slouken@804
|
331 |
}
|
slouken@804
|
332 |
|
slouken@1662
|
333 |
SDL_bool
|
slouken@1668
|
334 |
SDL_Has3DNow(void)
|
slouken@739
|
335 |
{
|
slouken@1668
|
336 |
if (SDL_GetCPUFeatures() & CPU_HAS_3DNOW) {
|
slouken@1662
|
337 |
return SDL_TRUE;
|
slouken@1662
|
338 |
}
|
slouken@1662
|
339 |
return SDL_FALSE;
|
slouken@739
|
340 |
}
|
slouken@739
|
341 |
|
slouken@1662
|
342 |
SDL_bool
|
slouken@1668
|
343 |
SDL_Has3DNowExt(void)
|
slouken@804
|
344 |
{
|
slouken@1668
|
345 |
if (SDL_GetCPUFeatures() & CPU_HAS_3DNOWEXT) {
|
slouken@1662
|
346 |
return SDL_TRUE;
|
slouken@1662
|
347 |
}
|
slouken@1662
|
348 |
return SDL_FALSE;
|
slouken@804
|
349 |
}
|
slouken@804
|
350 |
|
slouken@1662
|
351 |
SDL_bool
|
slouken@1668
|
352 |
SDL_HasSSE(void)
|
slouken@739
|
353 |
{
|
slouken@1668
|
354 |
if (SDL_GetCPUFeatures() & CPU_HAS_SSE) {
|
slouken@1662
|
355 |
return SDL_TRUE;
|
slouken@1662
|
356 |
}
|
slouken@1662
|
357 |
return SDL_FALSE;
|
slouken@739
|
358 |
}
|
slouken@739
|
359 |
|
slouken@1662
|
360 |
SDL_bool
|
slouken@1668
|
361 |
SDL_HasSSE2(void)
|
slouken@804
|
362 |
{
|
slouken@1668
|
363 |
if (SDL_GetCPUFeatures() & CPU_HAS_SSE2) {
|
slouken@1662
|
364 |
return SDL_TRUE;
|
slouken@1662
|
365 |
}
|
slouken@1662
|
366 |
return SDL_FALSE;
|
slouken@804
|
367 |
}
|
slouken@804
|
368 |
|
slouken@1662
|
369 |
SDL_bool
|
slouken@1668
|
370 |
SDL_HasAltiVec(void)
|
slouken@778
|
371 |
{
|
slouken@1668
|
372 |
if (SDL_GetCPUFeatures() & CPU_HAS_ALTIVEC) {
|
slouken@1662
|
373 |
return SDL_TRUE;
|
slouken@1662
|
374 |
}
|
slouken@1662
|
375 |
return SDL_FALSE;
|
slouken@778
|
376 |
}
|
slouken@778
|
377 |
|
slouken@739
|
378 |
#ifdef TEST_MAIN
|
slouken@739
|
379 |
|
slouken@739
|
380 |
#include <stdio.h>
|
slouken@739
|
381 |
|
slouken@1662
|
382 |
int
|
slouken@1668
|
383 |
main()
|
slouken@739
|
384 |
{
|
slouken@1668
|
385 |
printf("RDTSC: %d\n", SDL_HasRDTSC());
|
slouken@1668
|
386 |
printf("MMX: %d\n", SDL_HasMMX());
|
slouken@1668
|
387 |
printf("MMXExt: %d\n", SDL_HasMMXExt());
|
slouken@1668
|
388 |
printf("3DNow: %d\n", SDL_Has3DNow());
|
slouken@1668
|
389 |
printf("3DNowExt: %d\n", SDL_Has3DNowExt());
|
slouken@1668
|
390 |
printf("SSE: %d\n", SDL_HasSSE());
|
slouken@1668
|
391 |
printf("SSE2: %d\n", SDL_HasSSE2());
|
slouken@1668
|
392 |
printf("AltiVec: %d\n", SDL_HasAltiVec());
|
slouken@1662
|
393 |
return 0;
|
slouken@739
|
394 |
}
|
slouken@739
|
395 |
|
slouken@739
|
396 |
#endif /* TEST_MAIN */
|
slouken@1662
|
397 |
/* vi: set ts=4 sw=4 expandtab: */
|