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#include <stdio.h>
#include "state_tracker/drm_driver.h"
#include "i965_drm_winsys.h"
#include "i965_drm_public.h"
#include "util/u_memory.h"
/*
* Helper functions
*/
static void
i965_libdrm_get_device_id(unsigned int *device_id)
{
char path[512];
FILE *file;
void *shutup_gcc;
/*
* FIXME: Fix this up to use a drm ioctl or whatever.
*/
snprintf(path, sizeof(path), "/sys/class/drm/card0/device/device");
file = fopen(path, "r");
if (!file) {
return;
}
shutup_gcc = fgets(path, sizeof(path), file);
sscanf(path, "%x", device_id);
fclose(file);
}
static void
i965_libdrm_winsys_destroy(struct brw_winsys_screen *iws)
{
struct i965_libdrm_winsys *idws = i965_libdrm_winsys(iws);
if (BRW_DUMP)
debug_printf("%s\n", __FUNCTION__);
drm_intel_bufmgr_destroy(idws->gem);
FREE(idws);
}
struct brw_winsys_screen *
i965_drm_winsys_screen_create(int drmFD)
{
struct i965_libdrm_winsys *idws;
debug_printf("%s\n", __FUNCTION__);
idws = CALLOC_STRUCT(i965_libdrm_winsys);
if (!idws)
return NULL;
i965_libdrm_get_device_id(&idws->base.pci_id);
i965_libdrm_winsys_init_buffer_functions(idws);
idws->fd = drmFD;
idws->base.destroy = i965_libdrm_winsys_destroy;
idws->gem = drm_intel_bufmgr_gem_init(idws->fd, BRW_BATCH_SIZE);
drm_intel_bufmgr_gem_enable_reuse(idws->gem);
idws->send_cmd = !debug_get_bool_option("BRW_NO_HW", FALSE);
return &idws->base;
}
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