/**
* Discards the memory within the mapped region.
*
- * It should not be used with PIPE_TRANSFER_CPU_READ.
+ * It should not be used with PIPE_TRANSFER_READ.
*
* See also:
* - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_RANGE_BIT flag.
- * - Direct3D's D3DLOCK_DISCARD flag.
*/
- PIPE_TRANSFER_DISCARD = (1 << 8),
+ PIPE_TRANSFER_DISCARD = (1 << 8), /* DEPRECATED */
+ PIPE_TRANSFER_DISCARD_RANGE = (1 << 8),
/**
* Fail if the resource cannot be mapped immediately.
/**
* Do not attempt to synchronize pending operations on the resource when mapping.
*
- * It should not be used with PIPE_TRANSFER_CPU_READ.
+ * It should not be used with PIPE_TRANSFER_READ.
*
* See also:
* - OpenGL's ARB_map_buffer_range extension, MAP_UNSYNCHRONIZED_BIT flag.
* Written ranges will be notified later with
* pipe_context::transfer_flush_region.
*
- * It should not be used with PIPE_TRANSFER_CPU_READ.
+ * It should not be used with PIPE_TRANSFER_READ.
*
* See also:
* - pipe_context::transfer_flush_region
* - OpenGL's ARB_map_buffer_range extension, MAP_FLUSH_EXPLICIT_BIT flag.
*/
- PIPE_TRANSFER_FLUSH_EXPLICIT = (1 << 11)
+ PIPE_TRANSFER_FLUSH_EXPLICIT = (1 << 11),
+
+ /**
+ * Discards all memory backing the resource.
+ *
+ * It should not be used with PIPE_TRANSFER_READ.
+ *
+ * This is equivalent to:
+ * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_BUFFER_BIT
+ * - BufferData(NULL) on a GL buffer
+ * - Direct3D's D3DLOCK_DISCARD flag.
+ * - WDDM's D3DDDICB_LOCKFLAGS.Discard flag.
+ * - D3D10 DDI's D3D10_DDI_MAP_WRITE_DISCARD flag
+ * - D3D10's D3D10_MAP_WRITE_DISCARD flag.
+ */
+ PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE = (1 << 12)
};
#define PIPE_QUERY_SO_STATISTICS 5
#define PIPE_QUERY_GPU_FINISHED 6
#define PIPE_QUERY_TIMESTAMP_DISJOINT 7
-#define PIPE_QUERY_TYPES 8
+#define PIPE_QUERY_OCCLUSION_PREDICATE 8
+#define PIPE_QUERY_TYPES 9
/**