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#include <stdio.h>
#include "state_tracker/drm_api.h"
#include "i965_drm_winsys.h"
#include "util/u_memory.h"
#include "i965/brw_context.h" /* XXX: shouldn't be doing this */
#include "i965/brw_screen.h" /* XXX: shouldn't be doing this */
#include "trace/tr_drm.h"
#include "../../sw/drm/sw_drm_api.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);
}
static struct pipe_screen *
i965_libdrm_create_screen(struct drm_api *api, int drmFD,
struct drm_create_screen_arg *arg)
{
struct i965_libdrm_winsys *idws;
unsigned int deviceID;
debug_printf("%s\n", __FUNCTION__);
if (arg != NULL) {
switch(arg->mode) {
case DRM_CREATE_NORMAL:
break;
default:
return NULL;
}
}
idws = CALLOC_STRUCT(i965_libdrm_winsys);
if (!idws)
return NULL;
i965_libdrm_get_device_id(&deviceID);
i965_libdrm_winsys_init_buffer_functions(idws);
idws->fd = drmFD;
idws->id = deviceID;
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 brw_create_screen(&idws->base, deviceID);
}
static void
destroy(struct drm_api *api)
{
if (BRW_DUMP)
debug_printf("%s\n", __FUNCTION__);
}
struct drm_api i965_libdrm_api =
{
.name = "i965",
.create_screen = i965_libdrm_create_screen,
.destroy = destroy,
};
struct drm_api *
drm_api_create()
{
struct drm_api *api = NULL;
if (api == NULL && debug_get_bool_option("BRW_SOFTPIPE", FALSE))
api = sw_drm_api_create(&i965_libdrm_api);
if (api == NULL)
api = &i965_libdrm_api;
return trace_drm_create(api);
}
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