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gpuCommandList.cxx
1/**
2 *
3 * RenderPipeline
4 *
5 * Copyright (c) 2014-2016 tobspr <tobias.springer1@gmail.com>
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
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 THE
20 * 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
23 * THE SOFTWARE.
24 *
25 */
26
27#include "gpuCommandList.h"
28
29
30/**
31 * @brief Constructs a new GPUCommandList
32 * @details This constructs a new GPUCommandList. By default, there are no commands
33 * in the list.
34 */
37
38/**
39 * @brief Pushes a GPUCommand to the command list.
40 * @details This adds a new GPUCommand to the list of commands to be processed.
41 *
42 * @param cmd The command to add
43 */
45 _commands.push(cmd);
46}
47
48/**
49 * @brief Returns the number of commands in this list.
50 * @details This returns the amount of commands which are currently stored in this
51 * list, and are waiting to get processed.
52 * @return Amount of commands
53 */
55 return _commands.size();
56}
57
58/**
59 * @brief Writes the first n-commands to a destination.
60 * @details This takes the first #limit commands, and writes them to the
61 * destination using GPUCommand::write_to. See GPUCommand::write_to for
62 * further information about #dest. The limit controls after how much
63 * commands the processing will be stopped. All commands which got processed
64 * will get removed from the list.
65 *
66 * @param dest Destination to write to, see GPUCommand::write_to
67 * @param limit Maximum amount of commands to process
68 *
69 * @return Amount of commands processed, between 0 and #limit.
70 */
71size_t GPUCommandList::write_commands_to(const PTA_uchar &dest, size_t limit) {
72 size_t num_commands_written = 0;
73
74 while (num_commands_written < limit && !_commands.empty()) {
75 // Write the first command to the stream, and delete it afterwards
76 _commands.front().write_to(dest, num_commands_written);
77 _commands.pop();
78 num_commands_written ++;
79 }
80
81 return num_commands_written;
82}
GPUCommandList()
RenderPipeline.
void add_command(const GPUCommand &cmd)
Pushes a GPUCommand to the command list.
get_num_commands
Returns the number of commands in this list.
size_t write_commands_to(const PTA_uchar &dest, size_t limit=32)
Writes the first n-commands to a destination.
Class for storing data to be transferred to the GPU.
Definition gpuCommand.h:47