vc4_cl.c revision af69d88d 
1/*
2 * Copyright © 2014 Broadcom
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#include "util/u_math.h"
25#include "vc4_context.h"
26
27void
28vc4_init_cl(struct vc4_context *vc4, struct vc4_cl *cl)
29{
30}
31
32void
33vc4_grow_cl(struct vc4_cl *cl)
34{
35        uint32_t size = MAX2((cl->end - cl->base) * 2, 4096);
36        uint32_t offset = cl->next -cl->base;
37
38        cl->base = realloc(cl->base, size);
39        cl->end = cl->base + size;
40        cl->next = cl->base + offset;
41}
42
43void
44vc4_reset_cl(struct vc4_cl *cl)
45{
46        assert(cl->reloc_count == 0);
47        cl->next = cl->base;
48}
49
50uint32_t
51vc4_gem_hindex(struct vc4_context *vc4, struct vc4_bo *bo)
52{
53        uint32_t hindex;
54        uint32_t *current_handles = vc4->bo_handles.base;
55
56        for (hindex = 0;
57             hindex < (vc4->bo_handles.next - vc4->bo_handles.base) / 4;
58             hindex++) {
59                if (current_handles[hindex] == bo->handle)
60                        return hindex;
61        }
62
63        cl_u32(&vc4->bo_handles, bo->handle);
64        cl_ptr(&vc4->bo_pointers, vc4_bo_reference(bo));
65
66        return hindex;
67}
68