TheCloud/panda3d
1
0
Fork 0
mirror of https://github.com/panda3d/panda3d.git synced 2025-10-04 10:54:24 -04:00
Code Issues Packages Projects Releases Wiki Activity

Uses intrinsics for cpuid and cpuclock tick methods. Intrincs are only enabled if WIN64 is defined.

Browse Source
This commit is contained in:
Bei Yang 2009-04-25 07:20:24 +00:00
parent 3c7320c7ac
commit 5f0894fe80
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
panda/src/windisplay/winGraphicsPipe.cxx
View File

@ -21,6 +21,11 @@
#include "psapi.h" #include "psapi.h"
#include "powrprof.h" #include "powrprof.h"
#ifdef _WIN64
#include <intrin.h>
#endif
TypeHandle WinGraphicsPipe::_type_handle; TypeHandle WinGraphicsPipe::_type_handle;
#define MAXIMUM_PROCESSORS 32 #define MAXIMUM_PROCESSORS 32
@ -121,6 +126,9 @@ typedef union
LONG_INTEGER; LONG_INTEGER;
PN_uint64 cpu_time_function (void) { PN_uint64 cpu_time_function (void) {
#ifdef _WIN64
return __rdtsc();
#else
LONG_INTEGER long_integer; LONG_INTEGER long_integer;
LONG_INTEGER *long_integer_pointer; LONG_INTEGER *long_integer_pointer;
@ -135,6 +143,7 @@ PN_uint64 cpu_time_function (void) {
} }
return long_integer.long_integer; return long_integer.long_integer;
#endif
} }
typedef union typedef union
@ -486,6 +495,12 @@ int cpuid (int input_eax, CPU_ID_REGISTERS *cpu_id_registers) {
{ {
if (input_eax == 0) { if (input_eax == 0) {
// the order of ecx and edx is swapped when saved to make a proper vendor string // the order of ecx and edx is swapped when saved to make a proper vendor string
#ifdef _WIN64
__cpuid((int*)cpu_id_registers, input_eax);
unsigned int tmp = cpu_id_registers->edx;
cpu_id_registers->edx = cpu_id_registers->ecx;
cpu_id_registers->ecx = tmp;
#else
__asm __asm
{ {
mov eax, [input_eax] mov eax, [input_eax]
@ -498,8 +513,12 @@ int cpuid (int input_eax, CPU_ID_REGISTERS *cpu_id_registers) {
mov [edi + 8], edx mov [edi + 8], edx
mov [edi + 12], ecx mov [edi + 12], ecx
} }
#endif
} }
else { else {
#ifdef _WIN64
__cpuid((int*)cpu_id_registers, input_eax);
#else
__asm __asm
{ {
mov eax, [input_eax] mov eax, [input_eax]
@ -512,6 +531,7 @@ int cpuid (int input_eax, CPU_ID_REGISTERS *cpu_id_registers) {
mov [edi + 8], ecx mov [edi + 8], ecx
mov [edi + 12], edx mov [edi + 12], edx
} }
#endif
} }
state = true; state = true;