1 files changed, 74 insertions, 0 deletions
diff --git a/src/gallium/winsys/i965/drm/i965_drm_winsys.c b/src/gallium/winsys/i965/drm/i965_drm_winsys.c
new file mode 100644
index 0000000000..b08e622db9
--- /dev/null
+++ b/src/gallium/winsys/i965/drm/i965_drm_winsys.c
@@ -0,0 +1,74 @@
+
+#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;
+}