annotate src/cpuinfo/SDL_cpuinfo.c @ 5282:8e421890cdb8

Fixed bug #1117 There's a new event that's always sent when the window changes size, and that event is what the renderers listen for to determine if they need to rebind their context.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 12 Feb 2011 19:02:14 -0800
parents e1122f31fec5
children
rev   line source
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
5267
b530ef003506 Happy 2011! :)
Sam Lantinga <slouken@libsdl.org>
parents: 5264
diff changeset
3 Copyright (C) 1997-2011 Sam Lantinga
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
6 modify it under the terms of the GNU Lesser General Public
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
9
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
13 Lesser General Public License for more details.
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
18
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
19 Sam Lantinga
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
20 slouken@libsdl.org
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
22 #include "SDL_config.h"
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
23
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
24 /* CPU feature detection for SDL */
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
25
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
26 #include "SDL_cpuinfo.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
27
3586
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
28 #ifdef HAVE_SYSCONF
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
29 #include <unistd.h>
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
30 #endif
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
31 #ifdef HAVE_SYSCTLBYNAME
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
32 #include <sys/types.h>
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
33 #include <sys/sysctl.h>
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
34 #endif
5088
c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 5062
diff changeset
35 #ifdef __WIN32__
5092
327f181542f1 Include windows.h in a single point in the source, so we can be consistent about the definition of UNICODE and have core utility functions for Windows that all modules can share.
Sam Lantinga <slouken@libsdl.org>
parents: 5088
diff changeset
36 #include "../core/windows/SDL_windows.h"
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
37 #endif
793
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
38
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
39 #define CPU_HAS_RDTSC 0x00000001
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
40 #define CPU_HAS_MMX 0x00000002
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
41 #define CPU_HAS_SSE 0x00000010
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
42 #define CPU_HAS_SSE2 0x00000020
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
43 #define CPU_HAS_SSE3 0x00000040
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
44 #define CPU_HAS_SSE41 0x00000080
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
45 #define CPU_HAS_SSE42 0x00000100
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
46
793
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
47
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
48 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
49 CPU_haveCPUID(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
50 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
51 int has_CPUID = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
52 /* *INDENT-OFF* */
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
53 #if defined(__GNUC__) && defined(i386)
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
54 __asm__ (
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
55 " pushfl # Get original EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
56 " popl %%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
57 " movl %%eax,%%ecx \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
58 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
59 " pushl %%eax # Save new EFLAGS value on stack \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
60 " popfl # Replace current EFLAGS value \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
61 " pushfl # Get new EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
62 " popl %%eax # Store new EFLAGS in EAX \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
63 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
64 " jz 1f # Processor=80486 \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
65 " movl $1,%0 # We have CPUID support \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
66 "1: \n"
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
67 : "=m" (has_CPUID)
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
68 :
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
69 : "%eax", "%ecx"
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
70 );
881
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
71 #elif defined(__GNUC__) && defined(__x86_64__)
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
72 /* Technically, if this is being compiled under __x86_64__ then it has
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
73 CPUid by definition. But it's nice to be able to prove it. :) */
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
74 __asm__ (
881
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
75 " pushfq # Get original EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
76 " popq %%rax \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
77 " movq %%rax,%%rcx \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
78 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
79 " pushq %%rax # Save new EFLAGS value on stack \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
80 " popfq # Replace current EFLAGS value \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
81 " pushfq # Get new EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
82 " popq %%rax # Store new EFLAGS in EAX \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
83 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
84 " jz 1f # Processor=80486 \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
85 " movl $1,%0 # We have CPUID support \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
86 "1: \n"
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
87 : "=m" (has_CPUID)
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
88 :
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
89 : "%rax", "%rcx"
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
90 );
1442
e3242177fe4a Updated OS/2 build, yay!
Sam Lantinga <slouken@libsdl.org>
parents: 1426
diff changeset
91 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
92 __asm {
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
93 pushfd ; Get original EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
94 pop eax
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
95 mov ecx, eax
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
96 xor eax, 200000h ; Flip ID bit in EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
97 push eax ; Save new EFLAGS value on stack
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
98 popfd ; Replace current EFLAGS value
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
99 pushfd ; Get new EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
100 pop eax ; Store new EFLAGS in EAX
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
101 xor eax, ecx ; Can not toggle ID bit,
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
102 jz done ; Processor=80486
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
103 mov has_CPUID,1 ; We have CPUID support
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
104 done:
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
105 }
1864
7bea26ad3130 I think this fixes bug #244
Sam Lantinga <slouken@libsdl.org>
parents: 1590
diff changeset
106 #elif defined(__sun) && defined(__i386)
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
107 __asm (
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
108 " pushfl \n"
3584
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
109 " popl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
110 " movl %eax,%ecx \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
111 " xorl $0x200000,%eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
112 " pushl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
113 " popfl \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
114 " pushfl \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
115 " popl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
116 " xorl %ecx,%eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
117 " jz 1f \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
118 " movl $1,-8(%ebp) \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
119 "1: \n"
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
120 );
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
121 #elif defined(__sun) && defined(__amd64)
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
122 __asm (
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
123 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
124 " popq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
125 " movq %rax,%rcx \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
126 " xorl $0x200000,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
127 " pushq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
128 " popfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
129 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
130 " popq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
131 " xorl %ecx,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
132 " jz 1f \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
133 " movl $1,-8(%rbp) \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
134 "1: \n"
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
135 );
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
136 #endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
137 /* *INDENT-ON* */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
138 return has_CPUID;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
139 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140
3587
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
141 #if defined(__GNUC__) && defined(i386)
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
142 #define cpuid(func, a, b, c, d) \
3584
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
143 __asm__ __volatile__ ( \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
144 " pushl %%ebx \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
145 " cpuid \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
146 " movl %%ebx, %%esi \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
147 " popl %%ebx \n" : \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
148 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
3587
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
149 #elif defined(__GNUC__) && defined(__x86_64__)
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
150 #define cpuid(func, a, b, c, d) \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
151 __asm__ __volatile__ ( \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
152 " pushq %%rbx \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
153 " cpuid \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
154 " movq %%rbx, %%rsi \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
155 " popq %%rbx \n" : \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
156 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
157 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
158 #define cpuid(func, a, b, c, d) \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
159 __asm { \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
160 __asm mov eax, func \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
161 __asm cpuid \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
162 __asm mov a, eax \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
163 __asm mov b, ebx \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
164 __asm mov c, ecx \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
165 __asm mov d, edx \
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
166 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
167 #else
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
168 #define cpuid(func, a, b, c, d) \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
169 a = b = c = d = 0
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
170 #endif
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
171
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
172 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
173 CPU_getCPUIDFeatures(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
174 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
175 int features = 0;
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
176 int a, b, c, d;
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
177
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
178 cpuid(0, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
179 if (a >= 1) {
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
180 cpuid(1, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
181 features = d;
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
182 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
183 return features;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
184 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
185
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
186 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
187 CPU_haveRDTSC(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
188 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
189 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
190 return (CPU_getCPUIDFeatures() & 0x00000010);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
191 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
192 return 0;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
193 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
195 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
196 CPU_haveMMX(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
197 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
198 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
199 return (CPU_getCPUIDFeatures() & 0x00800000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
200 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
201 return 0;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
202 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
203
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
204 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
205 CPU_haveSSE(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
206 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
207 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
208 return (CPU_getCPUIDFeatures() & 0x02000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
209 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
210 return 0;
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
211 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
212
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
213 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
214 CPU_haveSSE2(void)
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
215 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
216 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
217 return (CPU_getCPUIDFeatures() & 0x04000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
218 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
219 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
220 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
221
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
222 static __inline__ int
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
223 CPU_haveSSE3(void)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
224 {
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
225 if (CPU_haveCPUID()) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
226 int a, b, c, d;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
227
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
228 cpuid(0, a, b, c, d);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
229 if (a >= 1) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
230 cpuid(1, a, b, c, d);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
231 return (c & 0x00000001);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
232 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
233 }
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
234 return 0;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
235 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
236
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
237 static __inline__ int
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
238 CPU_haveSSE41(void)
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
239 {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
240 if (CPU_haveCPUID()) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
241 int a, b, c, d;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
242
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
243 cpuid(1, a, b, c, d);
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
244 if (a >= 1) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
245 cpuid(1, a, b, c, d);
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
246 return (c & 0x00080000);
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
247 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
248 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
249 return 0;
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
250 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
251
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
252 static __inline__ int
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
253 CPU_haveSSE42(void)
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
254 {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
255 if (CPU_haveCPUID()) {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
256 int a, b, c, d;
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
257
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
258 cpuid(1, a, b, c, d);
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
259 if (a >= 1) {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
260 cpuid(1, a, b, c, d);
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
261 return (c & 0x00100000);
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
262 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
263 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
264 return 0;
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
265 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
266
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
267 static int SDL_CPUCount = 0;
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
268
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
269 int
5122
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
270 SDL_GetCPUCount(void)
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
271 {
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
272 if (!SDL_CPUCount) {
3606
1a4456a01995 Fixed bug #924
Sam Lantinga <slouken@libsdl.org>
parents: 3587
diff changeset
273 #if defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN)
3586
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
274 if (SDL_CPUCount <= 0) {
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
275 SDL_CPUCount = (int)sysconf(_SC_NPROCESSORS_ONLN);
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
276 }
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
277 #endif
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
278 #ifdef HAVE_SYSCTLBYNAME
3586
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
279 if (SDL_CPUCount <= 0) {
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
280 size_t size = sizeof(SDL_CPUCount);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
281 sysctlbyname("hw.ncpu", &SDL_CPUCount, &size, NULL, 0);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
282 }
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
283 #endif
5088
c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 5062
diff changeset
284 #ifdef __WIN32__
3586
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
285 if (SDL_CPUCount <= 0) {
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
286 SYSTEM_INFO info;
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
287 GetSystemInfo(&info);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
288 SDL_CPUCount = info.dwNumberOfProcessors;
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
289 }
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
290 #endif
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
291 /* There has to be at least 1, right? :) */
3586
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
292 if (SDL_CPUCount <= 0) {
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
293 SDL_CPUCount = 1;
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
294 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
295 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
296 return SDL_CPUCount;
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
297 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
298
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
299 /* Oh, such a sweet sweet trick, just not very useful. :) */
4472
791b3256fb22 Mostly cleaned up warnings with -Wmissing-prototypes
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
300 static const char *
5122
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
301 SDL_GetCPUType(void)
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
302 {
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
303 static char SDL_CPUType[13];
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
304
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
305 if (!SDL_CPUType[0]) {
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
306 int i = 0;
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
307 int a, b, c, d;
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
308
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
309 if (CPU_haveCPUID()) {
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
310 cpuid(0x00000000, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
311 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
312 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
313 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
314 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
315 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
316 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
317 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
318 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
319 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
320 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
321 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
322 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
323 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
324 if (!SDL_CPUType[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
325 SDL_strlcpy(SDL_CPUType, "Unknown", sizeof(SDL_CPUType));
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
326 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
327 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
328 return SDL_CPUType;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
329 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
330
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
331 static const char *
5122
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
332 SDL_GetCPUName(void)
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
333 {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
334 static char SDL_CPUName[48];
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
335
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
336 if (!SDL_CPUName[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
337 int i = 0;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
338 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
339
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
340 if (CPU_haveCPUID()) {
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
341 cpuid(0x80000000, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
342 if (a >= 0x80000004) {
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
343 cpuid(0x80000002, a, b, c, d);
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
344 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
345 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
346 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
347 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
348 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
349 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
350 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
351 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
352 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
353 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
354 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
355 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
356 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
357 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
358 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
359 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
360 cpuid(0x80000003, a, b, c, d);
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
361 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
362 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
363 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
364 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
365 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
366 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
367 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
368 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
369 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
370 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
371 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
372 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
373 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
374 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
375 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
376 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
377 cpuid(0x80000004, a, b, c, d);
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
378 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
379 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
380 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
381 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
382 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
383 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
384 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
385 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
386 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
387 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
388 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
389 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
390 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
391 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
392 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
393 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
394 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
395 }
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
396 if (!SDL_CPUName[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
397 SDL_strlcpy(SDL_CPUName, "Unknown", sizeof(SDL_CPUName));
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
398 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
399 }
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
400 return SDL_CPUName;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
401 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
402
5122
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
403 int
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
404 SDL_GetCPUCacheLineSize(void)
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
405 {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
406 const char *cpuType = SDL_GetCPUType();
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
407
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
408 if (SDL_strcmp(cpuType, "GenuineIntel") == 0) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
409 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
410
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
411 cpuid(0x00000001, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
412 return (((b >> 8) & 0xff) * 8);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
413 } else if (SDL_strcmp(cpuType, "AuthenticAMD") == 0) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
414 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
415
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
416 cpuid(0x80000005, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
417 return (c & 0xff);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
418 } else {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
419 /* Just make a guess here... */
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
420 return SDL_CACHELINE_SIZE;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
421 }
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
422 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
423
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 static Uint32 SDL_CPUFeatures = 0xFFFFFFFF;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
426 static Uint32
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
427 SDL_GetCPUFeatures(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
429 if (SDL_CPUFeatures == 0xFFFFFFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
430 SDL_CPUFeatures = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
431 if (CPU_haveRDTSC()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
432 SDL_CPUFeatures |= CPU_HAS_RDTSC;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
433 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
434 if (CPU_haveMMX()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
435 SDL_CPUFeatures |= CPU_HAS_MMX;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
436 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
437 if (CPU_haveSSE()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
438 SDL_CPUFeatures |= CPU_HAS_SSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
439 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
440 if (CPU_haveSSE2()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
441 SDL_CPUFeatures |= CPU_HAS_SSE2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
442 }
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
443 if (CPU_haveSSE3()) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
444 SDL_CPUFeatures |= CPU_HAS_SSE3;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
445 }
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
446 if (CPU_haveSSE41()) {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
447 SDL_CPUFeatures |= CPU_HAS_SSE41;
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
448 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
449 if (CPU_haveSSE42()) {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
450 SDL_CPUFeatures |= CPU_HAS_SSE42;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
451 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
452 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
453 return SDL_CPUFeatures;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
456 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
457 SDL_HasRDTSC(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
458 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
459 if (SDL_GetCPUFeatures() & CPU_HAS_RDTSC) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
460 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
461 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
462 return SDL_FALSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
463 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
464
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
465 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
466 SDL_HasMMX(void)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
467 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
468 if (SDL_GetCPUFeatures() & CPU_HAS_MMX) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
469 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
470 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
471 return SDL_FALSE;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
472 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
473
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
474 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
475 SDL_HasSSE(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
477 if (SDL_GetCPUFeatures() & CPU_HAS_SSE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
478 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
479 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
480 return SDL_FALSE;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
483 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
484 SDL_HasSSE2(void)
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
485 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
486 if (SDL_GetCPUFeatures() & CPU_HAS_SSE2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
487 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
488 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
489 return SDL_FALSE;
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
490 }
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
491
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
492 SDL_bool
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
493 SDL_HasSSE3(void)
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
494 {
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
495 if (SDL_GetCPUFeatures() & CPU_HAS_SSE3) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
496 return SDL_TRUE;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
497 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
498 return SDL_FALSE;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
499 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
500
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
501 SDL_bool
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
502 SDL_HasSSE41(void)
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
503 {
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
504 if (SDL_GetCPUFeatures() & CPU_HAS_SSE41) {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
505 return SDL_TRUE;
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
506 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
507 return SDL_FALSE;
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
508 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
509
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
510 SDL_bool
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
511 SDL_HasSSE42(void)
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
512 {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
513 if (SDL_GetCPUFeatures() & CPU_HAS_SSE42) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
514 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
515 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
516 return SDL_FALSE;
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
517 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
518
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 #ifdef TEST_MAIN
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 #include <stdio.h>
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
522
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
523 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
524 main()
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 {
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
526 printf("CPU count: %d\n", SDL_GetCPUCount());
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
527 printf("CPU type: %s\n", SDL_GetCPUType());
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
528 printf("CPU name: %s\n", SDL_GetCPUName());
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
529 printf("CacheLine size: %d\n", SDL_GetCPUCacheLineSize());
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
530 printf("RDTSC: %d\n", SDL_HasRDTSC());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
531 printf("MMX: %d\n", SDL_HasMMX());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
532 printf("SSE: %d\n", SDL_HasSSE());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
533 printf("SSE2: %d\n", SDL_HasSSE2());
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
534 printf("SSE3: %d\n", SDL_HasSSE3());
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
535 printf("SSE4.1: %d\n", SDL_HasSSE41());
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
536 printf("SSE4.2: %d\n", SDL_HasSSE42());
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
537 return 0;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
539
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540 #endif /* TEST_MAIN */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
541
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
542 /* vi: set ts=4 sw=4 expandtab: */