Panda3D
contrib
src
rplight
gpuCommandList.cxx
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/**
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*
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* RenderPipeline
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*
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* Copyright (c) 2014-2016 tobspr <tobias.springer1@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include "gpuCommandList.h"
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/**
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* @brief Constructs a new GPUCommandList
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* @details This constructs a new GPUCommandList. By default, there are no commands
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* in the list.
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*/
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GPUCommandList::GPUCommandList
() {
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}
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/**
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* @brief Pushes a GPUCommand to the command list.
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* @details This adds a new GPUCommand to the list of commands to be processed.
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*
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* @param cmd The command to add
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*/
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void
GPUCommandList::add_command
(
const
GPUCommand
& cmd) {
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_commands.push(cmd);
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}
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/**
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* @brief Returns the number of commands in this list.
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* @details This returns the amount of commands which are currently stored in this
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* list, and are waiting to get processed.
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* @return Amount of commands
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*/
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size_t
GPUCommandList::get_num_commands
() {
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return
_commands.size();
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}
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/**
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* @brief Writes the first n-commands to a destination.
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* @details This takes the first #limit commands, and writes them to the
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* destination using GPUCommand::write_to. See GPUCommand::write_to for
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* further information about #dest. The limit controls after how much
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* commands the processing will be stopped. All commands which got processed
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* will get removed from the list.
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*
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* @param dest Destination to write to, see GPUCommand::write_to
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* @param limit Maximum amount of commands to process
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*
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* @return Amount of commands processed, between 0 and #limit.
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*/
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size_t
GPUCommandList::write_commands_to
(
const
PTA_uchar &dest,
size_t
limit) {
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size_t
num_commands_written = 0;
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while
(num_commands_written < limit && !_commands.empty()) {
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// Write the first command to the stream, and delete it afterwards
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_commands.front().write_to(dest, num_commands_written);
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_commands.pop();
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num_commands_written ++;
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}
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return
num_commands_written;
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}
GPUCommandList::get_num_commands
get_num_commands
Returns the number of commands in this list.
Definition:
gpuCommandList.h:48
GPUCommandList::write_commands_to
size_t write_commands_to(const PTA_uchar &dest, size_t limit=32)
Writes the first n-commands to a destination.
Definition:
gpuCommandList.cxx:71
GPUCommandList::GPUCommandList
GPUCommandList()
RenderPipeline.
Definition:
gpuCommandList.cxx:35
GPUCommand
Class for storing data to be transferred to the GPU.
Definition:
gpuCommand.h:47
GPUCommandList::add_command
void add_command(const GPUCommand &cmd)
Pushes a GPUCommand to the command list.
Definition:
gpuCommandList.cxx:44
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