#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
+#include "util/u_atomic.h"
#include "util/list.h"
#if defined(__cplusplus)
*/
uint64_t offset64;
+ /**
+ * The validation list index for this buffer, or -1 when not in a batch.
+ * Note that a single buffer may be in multiple batches (contexts), and
+ * this is a global field, which refers to the last batch using the BO.
+ * It should not be considered authoritative, but can be used to avoid a
+ * linear walk of the validation list in the common case by guessing that
+ * exec_bos[bo->index] == bo and confirming whether that's the case.
+ */
+ unsigned index;
+
/**
* Boolean of whether the GPU is definitely not accessing the buffer.
*
void *map_gtt;
/** WC CPU address for the buffer, saved across map/unmap cycles */
void *map_wc;
- int map_count;
/** BO cache list */
struct list_head head;
*/
bool reusable;
+ /**
+ * Boolean of whether this buffer has been shared with an external client.
+ */
+ bool external;
+
/**
* Boolean of whether this buffer is cache coherent
*/
};
#define BO_ALLOC_FOR_RENDER (1<<0)
+#define BO_ALLOC_ZEROED (1<<1)
/**
* Allocate a buffer object.
*
* Buffer objects are not necessarily initially mapped into CPU virtual
* address space or graphics device aperture. They must be mapped
- * using brw_bo_map_cpu() or brw_bo_map_gtt() to be used by the CPU.
+ * using brw_bo_map() to be used by the CPU.
*/
struct brw_bo *brw_bo_alloc(struct brw_bufmgr *bufmgr, const char *name,
uint64_t size, uint64_t alignment);
* I915_TILING_NONE
* I915_TILING_X
* I915_TILING_Y
- *
- * Note the tiling format may be rejected; callers should check the
- * 'tiling_mode' field on return, as well as the pitch value, which
- * may have been rounded up to accommodate for tiling restrictions.
*/
struct brw_bo *brw_bo_alloc_tiled(struct brw_bufmgr *bufmgr,
const char *name,
- int x, int y, int cpp,
+ uint64_t size,
uint32_t tiling_mode,
- uint32_t *pitch,
+ uint32_t pitch,
unsigned flags);
+/**
+ * Allocate a tiled buffer object.
+ *
+ * Alignment for tiled objects is set automatically; the 'flags'
+ * argument provides a hint about how the object will be used initially.
+ *
+ * Valid tiling formats are:
+ * I915_TILING_NONE
+ * I915_TILING_X
+ * I915_TILING_Y
+ *
+ * Note the tiling format may be rejected; callers should check the
+ * 'tiling_mode' field on return, as well as the pitch value, which
+ * may have been rounded up to accommodate for tiling restrictions.
+ */
+struct brw_bo *brw_bo_alloc_tiled_2d(struct brw_bufmgr *bufmgr,
+ const char *name,
+ int x, int y, int cpp,
+ uint32_t tiling_mode,
+ uint32_t *pitch,
+ unsigned flags);
+
/** Takes a reference on a buffer object */
-void brw_bo_reference(struct brw_bo *bo);
+static inline void
+brw_bo_reference(struct brw_bo *bo)
+{
+ p_atomic_inc(&bo->refcount);
+}
/**
* Releases a reference on a buffer object, freeing the data if
* This function will block waiting for any existing execution on the
* buffer to complete, first. The resulting mapping is returned.
*/
-MUST_CHECK void *brw_bo_map_cpu(struct brw_context *brw, struct brw_bo *bo, unsigned flags);
+MUST_CHECK void *brw_bo_map(struct brw_context *brw, struct brw_bo *bo, unsigned flags);
/**
* Reduces the refcount on the userspace mapping of the buffer
* object.
*/
-int brw_bo_unmap(struct brw_bo *bo);
+static inline int brw_bo_unmap(struct brw_bo *bo) { return 0; }
/** Write data into an object. */
int brw_bo_subdata(struct brw_bo *bo, uint64_t offset,
uint64_t size, const void *data);
-/** Read data from an object. */
-int brw_bo_get_subdata(struct brw_bo *bo, uint64_t offset,
- uint64_t size, void *data);
/**
* Waits for rendering to an object by the GPU to have completed.
*
* bo_subdata, etc. It is merely a way for the driver to implement
* glFinish.
*/
-void brw_bo_wait_rendering(struct brw_context *brw, struct brw_bo *bo);
+void brw_bo_wait_rendering(struct brw_bo *bo);
/**
* Tears down the buffer manager instance.
const char *name,
unsigned int handle);
void brw_bufmgr_enable_reuse(struct brw_bufmgr *bufmgr);
-MUST_CHECK void *brw_bo_map_unsynchronized(struct brw_context *brw, struct brw_bo *bo);
-MUST_CHECK void *brw_bo_map_gtt(struct brw_context *brw, struct brw_bo *bo, unsigned flags);
int brw_bo_wait(struct brw_bo *bo, int64_t timeout_ns);
int brw_bo_gem_export_to_prime(struct brw_bo *bo, int *prime_fd);
struct brw_bo *brw_bo_gem_create_from_prime(struct brw_bufmgr *bufmgr,
- int prime_fd, int size);
+ int prime_fd);
int brw_reg_read(struct brw_bufmgr *bufmgr, uint32_t offset,
uint64_t *result);
projects / mesa.git / blobdiff