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 "util/ralloc.h"
26 #include "vc4_context.h"
27
28 void
vc4_init_cl(void * mem_ctx,struct vc4_cl * cl)29 vc4_init_cl(void *mem_ctx, struct vc4_cl *cl)
30 {
31 cl->base = rzalloc_size(mem_ctx, 1); /* TODO: don't use rzalloc */
32 cl->next = cl->base;
33 cl->size = 0;
34 }
35
36 void
cl_ensure_space(struct vc4_cl * cl,uint32_t space)37 cl_ensure_space(struct vc4_cl *cl, uint32_t space)
38 {
39 uint32_t offset = cl_offset(cl);
40
41 if (offset + space <= cl->size)
42 return;
43
44 uint32_t size = MAX2(cl->size + space, cl->size * 2);
45
46 cl->base = reralloc(ralloc_parent(cl->base), cl->base, uint8_t, size);
47 cl->size = size;
48 cl->next = cl->base + offset;
49 }
50
51 void
vc4_reset_cl(struct vc4_cl * cl)52 vc4_reset_cl(struct vc4_cl *cl)
53 {
54 assert(cl->reloc_count == 0);
55 cl->next = cl->base;
56 }
57
58 uint32_t
vc4_gem_hindex(struct vc4_job * job,struct vc4_bo * bo)59 vc4_gem_hindex(struct vc4_job *job, struct vc4_bo *bo)
60 {
61 uint32_t hindex;
62 uint32_t *current_handles = job->bo_handles.base;
63
64 for (hindex = 0; hindex < cl_offset(&job->bo_handles) / 4; hindex++) {
65 if (current_handles[hindex] == bo->handle)
66 return hindex;
67 }
68
69 struct vc4_cl_out *out;
70
71 out = cl_start(&job->bo_handles);
72 cl_u32(&out, bo->handle);
73 cl_end(&job->bo_handles, out);
74
75 out = cl_start(&job->bo_pointers);
76 cl_ptr(&out, vc4_bo_reference(bo));
77 cl_end(&job->bo_pointers, out);
78
79 job->bo_space += bo->size;
80
81 return hindex;
82 }
83