1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * Rob Clark <robclark@freedesktop.org>
29 #ifndef FREEDRENO_RINGBUFFER_H_
30 #define FREEDRENO_RINGBUFFER_H_
32 #include <freedreno_drmif.h>
34 /* the ringbuffer object is not opaque so that OUT_RING() type stuff
35 * can be inlined. Note that users should not make assumptions about
36 * the size of this struct.
39 struct fd_ringbuffer_funcs;
42 struct fd_ringbuffer {
44 uint32_t *cur, *end, *start, *last_start;
46 const struct fd_ringbuffer_funcs *funcs;
47 uint32_t last_timestamp;
48 struct fd_ringbuffer *parent;
50 /* for users of fd_ringbuffer to store their own private per-
58 struct fd_ringbuffer * fd_ringbuffer_new(struct fd_pipe *pipe,
60 struct fd_ringbuffer * fd_ringbuffer_new_object(struct fd_pipe *pipe,
63 void fd_ringbuffer_del(struct fd_ringbuffer *ring);
64 void fd_ringbuffer_set_parent(struct fd_ringbuffer *ring,
65 struct fd_ringbuffer *parent);
66 void fd_ringbuffer_reset(struct fd_ringbuffer *ring);
67 int fd_ringbuffer_flush(struct fd_ringbuffer *ring);
68 /* in_fence_fd: -1 for no in-fence, else fence fd
69 * out_fence_fd: NULL for no output-fence requested, else ptr to return out-fence
71 int fd_ringbuffer_flush2(struct fd_ringbuffer *ring, int in_fence_fd,
73 void fd_ringbuffer_grow(struct fd_ringbuffer *ring, uint32_t ndwords);
74 uint32_t fd_ringbuffer_timestamp(struct fd_ringbuffer *ring);
76 static inline void fd_ringbuffer_emit(struct fd_ringbuffer *ring,
79 (*ring->cur++) = data;
84 #define FD_RELOC_READ 0x0001
85 #define FD_RELOC_WRITE 0x0002
90 uint32_t orhi; /* used for a5xx+ */
93 /* NOTE: relocs are 2 dwords on a5xx+ */
95 void fd_ringbuffer_reloc2(struct fd_ringbuffer *ring, const struct fd_reloc *reloc);
96 will_be_deprecated void fd_ringbuffer_reloc(struct fd_ringbuffer *ring, const struct fd_reloc *reloc);
97 will_be_deprecated void fd_ringbuffer_emit_reloc_ring(struct fd_ringbuffer *ring,
98 struct fd_ringmarker *target, struct fd_ringmarker *end);
99 uint32_t fd_ringbuffer_cmd_count(struct fd_ringbuffer *ring);
100 uint32_t fd_ringbuffer_emit_reloc_ring_full(struct fd_ringbuffer *ring,
101 struct fd_ringbuffer *target, uint32_t cmd_idx);
102 uint32_t fd_ringbuffer_size(struct fd_ringbuffer *ring);
104 will_be_deprecated struct fd_ringmarker * fd_ringmarker_new(struct fd_ringbuffer *ring);
105 will_be_deprecated void fd_ringmarker_del(struct fd_ringmarker *marker);
106 will_be_deprecated void fd_ringmarker_mark(struct fd_ringmarker *marker);
107 will_be_deprecated uint32_t fd_ringmarker_dwords(struct fd_ringmarker *start,
108 struct fd_ringmarker *end);
109 will_be_deprecated int fd_ringmarker_flush(struct fd_ringmarker *marker);
111 #endif /* FREEDRENO_RINGBUFFER_H_ */