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.. more stuff will be added when we eventually
37 * have a kernel driver that can deal w/ reloc's..
40 struct fd_ringbuffer_funcs;
43 struct fd_ringbuffer {
45 uint32_t *cur, *end, *start, *last_start;
47 const struct fd_ringbuffer_funcs *funcs;
48 uint32_t last_timestamp;
49 struct fd_ringbuffer *parent;
51 /* for users of fd_ringbuffer to store their own private per-
57 struct fd_ringbuffer * fd_ringbuffer_new(struct fd_pipe *pipe,
59 void fd_ringbuffer_del(struct fd_ringbuffer *ring);
60 void fd_ringbuffer_set_parent(struct fd_ringbuffer *ring,
61 struct fd_ringbuffer *parent);
62 void fd_ringbuffer_reset(struct fd_ringbuffer *ring);
63 int fd_ringbuffer_flush(struct fd_ringbuffer *ring);
64 /* in_fence_fd: -1 for no in-fence, else fence fd
65 * out_fence_fd: NULL for no output-fence requested, else ptr to return out-fence
67 int fd_ringbuffer_flush2(struct fd_ringbuffer *ring, int in_fence_fd,
69 void fd_ringbuffer_grow(struct fd_ringbuffer *ring, uint32_t ndwords);
70 uint32_t fd_ringbuffer_timestamp(struct fd_ringbuffer *ring);
72 static inline void fd_ringbuffer_emit(struct fd_ringbuffer *ring,
75 (*ring->cur++) = data;
80 #define FD_RELOC_READ 0x0001
81 #define FD_RELOC_WRITE 0x0002
86 uint32_t orhi; /* used for a5xx+ */
89 /* NOTE: relocs are 2 dwords on a5xx+ */
91 void fd_ringbuffer_reloc2(struct fd_ringbuffer *ring, const struct fd_reloc *reloc);
92 will_be_deprecated void fd_ringbuffer_reloc(struct fd_ringbuffer *ring, const struct fd_reloc *reloc);
93 will_be_deprecated void fd_ringbuffer_emit_reloc_ring(struct fd_ringbuffer *ring,
94 struct fd_ringmarker *target, struct fd_ringmarker *end);
95 uint32_t fd_ringbuffer_cmd_count(struct fd_ringbuffer *ring);
96 uint32_t fd_ringbuffer_emit_reloc_ring_full(struct fd_ringbuffer *ring,
97 struct fd_ringbuffer *target, uint32_t cmd_idx);
99 will_be_deprecated struct fd_ringmarker * fd_ringmarker_new(struct fd_ringbuffer *ring);
100 will_be_deprecated void fd_ringmarker_del(struct fd_ringmarker *marker);
101 will_be_deprecated void fd_ringmarker_mark(struct fd_ringmarker *marker);
102 will_be_deprecated uint32_t fd_ringmarker_dwords(struct fd_ringmarker *start,
103 struct fd_ringmarker *end);
104 will_be_deprecated int fd_ringmarker_flush(struct fd_ringmarker *marker);
106 #endif /* FREEDRENO_RINGBUFFER_H_ */