1#include "backend-dispatched.h"
 2#include "backend-virgl-apir.h"
 3
 4#include "ggml-backend-impl.h"
 5#include "ggml-backend.h"
 6#include "ggml-impl.h"
 7
 8#include <cstdint>
 9
10ggml_backend_reg_t reg = NULL;
11ggml_backend_dev_t dev = NULL;
12ggml_backend_t     bck = NULL;
13
14uint64_t timer_start = 0;
15uint64_t timer_total = 0;
16uint64_t timer_count = 0;
17
18uint32_t backend_dispatch_initialize(void * ggml_backend_reg_fct_p) {
19    if (reg != NULL) {
20        GGML_LOG_WARN(GGML_VIRTGPU_BCK "%s: already initialized\n", __func__);
21        return APIR_BACKEND_INITIALIZE_ALREADY_INITED;
22    }
23    ggml_backend_reg_t (*ggml_backend_reg_fct)(void) = (ggml_backend_reg_t (*)()) ggml_backend_reg_fct_p;
24
25    reg = ggml_backend_reg_fct();
26    if (reg == NULL) {
27        GGML_LOG_ERROR(GGML_VIRTGPU_BCK "%s: backend registration failed\n", __func__);
28        return APIR_BACKEND_INITIALIZE_BACKEND_REG_FAILED;
29    }
30
31    if (!reg->iface.get_device_count(reg)) {
32        GGML_LOG_ERROR(GGML_VIRTGPU_BCK "%s: backend initialization failed: no device found\n", __func__);
33        return APIR_BACKEND_INITIALIZE_NO_DEVICE;
34    }
35
36    dev = reg->iface.get_device(reg, 0);
37
38    if (!dev) {
39        GGML_LOG_ERROR(GGML_VIRTGPU_BCK "%s: backend initialization failed: no device received\n", __func__);
40        return APIR_BACKEND_INITIALIZE_NO_DEVICE;
41    }
42
43    bck = dev->iface.init_backend(dev, NULL);
44
45    return APIR_BACKEND_INITIALIZE_SUCCESS;
46}