1 #include <stdio.h>
2 #include <sys/ioctl.h>
3
4 #include "i915_drm.h"
5
6 #include "state_tracker/drm_driver.h"
7
8 #include "i915_drm_winsys.h"
9 #include "i915_drm_public.h"
10 #include "util/u_memory.h"
11
12
13 /*
14 * Helper functions
15 */
16
17
18 static void
i915_drm_get_device_id(int fd,unsigned int * device_id)19 i915_drm_get_device_id(int fd, unsigned int *device_id)
20 {
21 int ret;
22 struct drm_i915_getparam gp;
23
24 gp.param = I915_PARAM_CHIPSET_ID;
25 gp.value = (int *)device_id;
26
27 ret = ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp, sizeof(gp));
28 assert(ret == 0);
29 }
30
31 static void
i915_drm_winsys_destroy(struct i915_winsys * iws)32 i915_drm_winsys_destroy(struct i915_winsys *iws)
33 {
34 struct i915_drm_winsys *idws = i915_drm_winsys(iws);
35
36 drm_intel_bufmgr_destroy(idws->gem_manager);
37
38 FREE(idws);
39 }
40
41 struct i915_winsys *
i915_drm_winsys_create(int drmFD)42 i915_drm_winsys_create(int drmFD)
43 {
44 struct i915_drm_winsys *idws;
45 unsigned int deviceID;
46
47 idws = CALLOC_STRUCT(i915_drm_winsys);
48 if (!idws)
49 return NULL;
50
51 i915_drm_get_device_id(drmFD, &deviceID);
52
53 i915_drm_winsys_init_batchbuffer_functions(idws);
54 i915_drm_winsys_init_buffer_functions(idws);
55 i915_drm_winsys_init_fence_functions(idws);
56
57 idws->fd = drmFD;
58 idws->base.pci_id = deviceID;
59 idws->max_batch_size = 16 * 4096;
60
61 idws->base.destroy = i915_drm_winsys_destroy;
62
63 idws->gem_manager = drm_intel_bufmgr_gem_init(idws->fd, idws->max_batch_size);
64 drm_intel_bufmgr_gem_enable_reuse(idws->gem_manager);
65 drm_intel_bufmgr_gem_enable_fenced_relocs(idws->gem_manager);
66
67 idws->dump_cmd = debug_get_bool_option("I915_DUMP_CMD", FALSE);
68 idws->dump_raw_file = debug_get_option("I915_DUMP_RAW_FILE", NULL);
69 idws->send_cmd = !debug_get_bool_option("I915_NO_HW", FALSE);
70
71 return &idws->base;
72 }
73