1 /*
2 * Copyright © 2020 Advanced Micro Devices, Inc.
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 "c99_alloca.h"
25
26 #include "main/glthread_marshal.h"
27 #include "main/dispatch.h"
28
29 uint32_t
_mesa_unmarshal_CallList(struct gl_context * ctx,const struct marshal_cmd_CallList * cmd,const uint64_t * last)30 _mesa_unmarshal_CallList(struct gl_context *ctx, const struct marshal_cmd_CallList *cmd, const uint64_t *last)
31 {
32 const GLuint list = cmd->list;
33 uint64_t *ptr = (uint64_t *) cmd;
34 ptr += cmd->cmd_base.cmd_size;
35
36 if (ptr < last) {
37 const struct marshal_cmd_base *next =
38 (const struct marshal_cmd_base *)ptr;
39
40 /* If the 'next' is also a DISPATCH_CMD_CallList, we transform 'cmd' and 'next' in a CALL_CallLists.
41 * If the following commands are also CallList they're including in the CallLists we're building.
42 */
43 if (next->cmd_id == DISPATCH_CMD_CallList) {
44 const int max_list_count = 2048;
45 struct marshal_cmd_CallList *next_callist = (struct marshal_cmd_CallList *) next;
46 uint32_t *lists = alloca(max_list_count * sizeof(uint32_t));
47
48 lists[0] = cmd->list;
49 lists[1] = next_callist->list;
50
51 int count = 2;
52
53 ptr += next->cmd_size;
54 while (ptr < last && count < max_list_count) {
55 next = (const struct marshal_cmd_base *)ptr;
56 if (next->cmd_id == DISPATCH_CMD_CallList) {
57 next_callist = (struct marshal_cmd_CallList *) next;
58 lists[count++] = next_callist->list;
59 ptr += next->cmd_size;
60 } else {
61 break;
62 }
63 }
64
65 CALL_CallLists(ctx->CurrentServerDispatch, (count, GL_UNSIGNED_INT, lists));
66
67 return (uint32_t) (ptr - (uint64_t*)cmd);
68 }
69 }
70
71 CALL_CallList(ctx->CurrentServerDispatch, (list));
72 return cmd->cmd_base.cmd_size;
73 }
74
75 void GLAPIENTRY
_mesa_marshal_CallList(GLuint list)76 _mesa_marshal_CallList(GLuint list)
77 {
78 GET_CURRENT_CONTEXT(ctx);
79 int cmd_size = sizeof(struct marshal_cmd_CallList);
80 struct marshal_cmd_CallList *cmd;
81 cmd = _mesa_glthread_allocate_command(ctx, DISPATCH_CMD_CallList, cmd_size);
82 cmd->list = list;
83
84 _mesa_glthread_CallList(ctx, list);
85 }
86