Files
kernels/runtime/vx_api/vx_api.c
2019-11-18 13:45:49 -05:00

105 lines
1.8 KiB
C

#include "../intrinsics/vx_intrinsics.h"
#include "vx_api.h"
#include <inttypes.h>
#ifdef __cplusplus
extern "C" {
#endif
func_t global_function_pointer;
// void (func_t)(void *)
void * global_argument_struct;
unsigned global_num_threads;
void setup_call()
{
vx_tmc(global_num_threads);
global_function_pointer(global_argument_struct);
unsigned wid = vx_warpID();
if (wid != 0)
{
vx_tmc(0); // Halt Warp Execution
}
else
{
vx_tmc(1); // Only activate one thread
}
}
void vx_spawnWarps(unsigned numWarps, unsigned numThreads, func_t func_ptr, void * args)
{
global_function_pointer = func_ptr;
global_argument_struct = args;
global_num_threads = numThreads;
vx_wspawn(numWarps, (unsigned) setup_call);
setup_call();
}
unsigned pocl_threads;
uint8_t * pocl_args;
uint8_t * pocl_ctx;
vx_pocl_workgroup_func pocl_pfn;
void pocl_spawn_real()
{
vx_tmc(pocl_threads);
int x = vx_threadID();
int y = vx_warpID();
(pocl_pfn)( pocl_args, pocl_ctx, x, y, 0);
if (y != 0)
{
vx_tmc(0);
}
vx_tmc(1);
}
void pocl_spawn(struct context_t * ctx, const void * pfn, void * arguments)
{
if (ctx->num_groups[2] > 1)
{
printf("ERROR: pocl_spawn doesn't support Z dimension yet!\n");
return;
}
pocl_threads = ctx->num_groups[0];
pocl_pfn = (vx_pocl_workgroup_func) pfn;
pocl_ctx = (uint8_t *) ctx;
pocl_args = (uint8_t *) arguments;
if (ctx->num_groups[1] > 1)
{
vx_wspawn(ctx->num_groups[1], (unsigned) &pocl_spawn_real);
}
pocl_spawn_real();
// int z;
// int y;
// int x;
// for (z = 0; z < ctx->num_groups[2]; ++z)
// {
// for (y = 0; y < ctx->num_groups[1]; ++y)
// {
// for (x = 0; x < ctx->num_groups[0]; ++x)
// {
// (use_pfn)((uint8_t *)arguments, (uint8_t *)ctx, x, y, z);
// }
// }
// }
}
#ifdef __cplusplus
}
#endif