src/gallium/winsys/i915/drm/i915_drm_winsys.c

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