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some changes towards libspe2 support

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This commit is contained in:
ejcoumans
2007-08-13 04:27:36 +00:00
parent 89272639e9
commit 620b67b752
2 changed files with 64 additions and 43 deletions
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47
Extras/BulletMultiThreaded/SpuLibspe2Support.h
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@@ -21,6 +21,8 @@ subject to the following restrictions:
#define SPU_LIBSPE2_SUPPORT_H
#include "LinearMath/btAlignedObjectArray.h"
#include <libspe2.h>
#include <pthread.h>
/**
@@ -31,6 +33,7 @@ subject to the following restrictions:
* Mixing up these values will cause the wrong code to execute, for instance, the
* solver may be asked to do a collision detection job.
*/
#ifdef WIN32 // original enum, but for libspe2 will pass the SPE program handle ptr directly
typedef enum {
SPU_ELF_COLLISION_DETECTION=0,
SPU_ELF_SAMPLE,
@@ -38,7 +41,7 @@ typedef enum {
//SPU_ELF_SOLVER,
SPU_ELF_LAST,
} SpuLibspe2ElfId_t;
#endif
#ifdef WIN32
#include <malloc.h>
#define memalign(alignment, size) malloc(size);
@@ -46,6 +49,27 @@ typedef enum {
#include <stdlib.h>
#endif // WIN32
#define MAXSPUS 16
typedef struct ppu_pthread_data {
spe_context_ptr_t context;
pthread_t pthread;
unsigned int entry;
unsigned int flags;
void *argp;
void *envp;
spe_stop_info_t stopinfo;
} ppu_pthread_data_t;
void *ppu_pthread_function(void *arg)
{
ppu_pthread_data_t datap = *(ppu_pthread_data_t *)arg;
int rc;
do {
rc = spe_context_run(datap->context, &datap->entry, datap->flags, datap->argp, datap->envp, &datap->stopinfo);
} while (rc > 0); // loop until exit or error, and while any stop & signal
pthread_exit(NULL);
}
#include <LinearMath/btScalar.h> //for uint32_t etc.
@@ -78,25 +102,30 @@ class SpuLibspe2Support {
public:
///Setup and initialize SPU/CELL/Libspe2
SpuLibspe2Support(SpuLibspe2ElfId_t elfId,int numThreads);
///cleanup/shutdown Libspe2
SpuLibspe2Support(spe_program_handle_t *speprog,int numThreads);
// SPE program handle ptr.
spe_program_handle_t *program;
// SPE program data
ppu_pthread_data_t data[MAX_SPUS];
// num SPE Threads
unsigned int N;
///cleanup/shutdown Libspe2
~SpuLibspe2Support();
///send messages to SPUs
///send messages to SPUs
void sendRequest(uint32_t uiCommand, uint32_t uiArgument0, uint32_t uiArgument1=0);
///check for messages from SPUs
///check for messages from SPUs
void waitForResponse(unsigned int *puiArgument0, unsigned int *puiArgument1);
///start the spus (can be called at the beginning of each frame, to make sure that the right SPU program is loaded)
///start the spus (can be called at the beginning of each frame, to make sure that the right SPU program is loaded)
void startSPUs(int numThreads);
///tell the task scheduler we are done with the SPU tasks
///tell the task scheduler we are done with the SPU tasks
void stopSPUs();
};
#endif //SPU_LIBSPE2_SUPPORT_H
#endif //USE_LIBSPE2
#endif //USE_LIBSPE2