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Diffstat (limited to 'src/gallium/winsys/i915/drm/i915_drm_api.c')
-rw-r--r--src/gallium/winsys/i915/drm/i915_drm_api.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/src/gallium/winsys/i915/drm/i915_drm_api.c b/src/gallium/winsys/i915/drm/i915_drm_api.c
new file mode 100644
index 00000000000..6bb0aec1a67
--- /dev/null
+++ b/src/gallium/winsys/i915/drm/i915_drm_api.c
@@ -0,0 +1,109 @@
+#include <stdio.h>
+
+#include "state_tracker/drm_api.h"
+
+#include "i915_drm_winsys.h"
+#include "util/u_memory.h"
+
+#include "i915/i915_context.h"
+#include "i915/i915_screen.h"
+
+#include "trace/tr_drm.h"
+
+/*
+ * Helper functions
+ */
+
+
+static void
+i915_drm_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);
+ (void) shutup_gcc;
+ sscanf(path, "%x", device_id);
+ fclose(file);
+}
+
+static void
+i915_drm_winsys_destroy(struct i915_winsys *iws)
+{
+ struct i915_drm_winsys *idws = i915_drm_winsys(iws);
+
+ drm_intel_bufmgr_destroy(idws->pools.gem);
+
+ FREE(idws);
+}
+
+static struct pipe_screen *
+i915_drm_create_screen(struct drm_api *api, int drmFD,
+ struct drm_create_screen_arg *arg)
+{
+ struct i915_drm_winsys *idws;
+ unsigned int deviceID;
+
+ if (arg != NULL) {
+ switch(arg->mode) {
+ case DRM_CREATE_NORMAL:
+ break;
+ default:
+ return NULL;
+ }
+ }
+
+ idws = CALLOC_STRUCT(i915_drm_winsys);
+ if (!idws)
+ return NULL;
+
+ i915_drm_get_device_id(&deviceID);
+
+ i915_drm_winsys_init_batchbuffer_functions(idws);
+ i915_drm_winsys_init_buffer_functions(idws);
+ i915_drm_winsys_init_fence_functions(idws);
+
+ idws->fd = drmFD;
+ idws->id = deviceID;
+ idws->max_batch_size = 16 * 4096;
+
+ idws->base.destroy = i915_drm_winsys_destroy;
+
+ idws->pools.gem = drm_intel_bufmgr_gem_init(idws->fd, idws->max_batch_size);
+ drm_intel_bufmgr_gem_enable_reuse(idws->pools.gem);
+
+ idws->dump_cmd = debug_get_bool_option("INTEL_DUMP_CMD", FALSE);
+
+ return i915_create_screen(&idws->base, deviceID);
+}
+
+static void
+destroy(struct drm_api *api)
+{
+
+}
+
+struct drm_api intel_drm_api =
+{
+ .name = "i915",
+ .driver_name = "i915",
+ .create_screen = i915_drm_create_screen,
+ .destroy = destroy,
+};
+
+struct drm_api *
+drm_api_create()
+{
+ return trace_drm_create(&intel_drm_api);
+}