/**
- * \file drm_sarea.h
+ * \file drm_sarea.h
* \brief SAREA definitions
*
* \author Michel Dänzer <michel@daenzer.net>
#ifndef _DRM_SAREA_H_
#define _DRM_SAREA_H_
+#include "drm.h"
+
+/* SAREA area needs to be at least a page */
+#if defined(__alpha__)
+#define SAREA_MAX 0x2000
+#elif defined(__ia64__)
+#define SAREA_MAX 0x10000 /* 64kB */
+#else
+/* Intel 830M driver needs at least 8k SAREA */
+#define SAREA_MAX 0x2000
+#endif
+
/** Maximum number of drawables in the SAREA */
#define SAREA_MAX_DRAWABLES 256
+#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000
+
/** SAREA drawable */
typedef struct drm_sarea_drawable {
- unsigned int stamp;
- unsigned int flags;
+ unsigned int stamp;
+ unsigned int flags;
} drm_sarea_drawable_t;
/** SAREA frame */
typedef struct drm_sarea_frame {
- unsigned int x;
- unsigned int y;
- unsigned int width;
- unsigned int height;
- unsigned int fullscreen;
+ unsigned int x;
+ unsigned int y;
+ unsigned int width;
+ unsigned int height;
+ unsigned int fullscreen;
} drm_sarea_frame_t;
/** SAREA */
typedef struct drm_sarea {
/** first thing is always the DRM locking structure */
- drm_hw_lock_t lock;
+ drm_hw_lock_t lock;
/** \todo Use readers/writer lock for drm_sarea::drawable_lock */
- drm_hw_lock_t drawable_lock;
- drm_sarea_drawable_t drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */
- drm_sarea_frame_t frame; /**< frame */
- drm_context_t dummy_context;
+ drm_hw_lock_t drawable_lock;
+ drm_sarea_drawable_t drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */
+ drm_sarea_frame_t frame; /**< frame */
+ drm_context_t dummy_context;
} drm_sarea_t;
-#endif /* _DRM_SAREA_H_ */
+#endif /* _DRM_SAREA_H_ */