88 lines
3.5 KiB
C++
88 lines
3.5 KiB
C++
/**
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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 "gpu_command.h"
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#include <iostream>
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#include <iomanip>
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#include <stdlib.h>
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NotifyCategoryDef(gpucommand, "");
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/**
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* @brief Constructs a new GPUCommand with the given command type.
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* @details This will construct a new GPUCommand of the given command type.
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* The command type should be of GPUCommand::CommandType, and determines
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* what data the GPUCommand contains, and how it will be handled.
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*
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* @param command_type The type of the GPUCommand
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*/
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GPUCommand::GPUCommand(CommandType command_type) {
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_command_type = command_type;
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_current_index = 0;
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memset(_data, 0x0, sizeof(float) * GPU_COMMAND_ENTRIES);
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// Store the command type as the first entry
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push_int(command_type);
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}
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/**
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* @brief Prints out the GPUCommand to the console
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* @details This method prints the type, size, and data of the GPUCommand to the
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* console. This helps for debugging the contents of the GPUCommand. Keep
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* in mind that integers might be shown in their binary float representation,
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* depending on the setting in the GPUCommand::convert_int_to_float method.
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*/
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void GPUCommand::write(ostream &out) const {
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out << "GPUCommand(type=" << _command_type << ", size=" << _current_index << ", data = {" << endl;
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for (size_t k = 0; k < GPU_COMMAND_ENTRIES; ++k) {
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out << std::setw(12) << std::fixed << std::setprecision(5) << _data[k] << " ";
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if (k % 6 == 5 || k == GPU_COMMAND_ENTRIES - 1) out << endl;
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}
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out << "})" << endl;
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}
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/**
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* @brief Writes the GPU command to a given target.
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* @details This method writes all the data of the GPU command to a given target.
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* The target should be a pointer to memory being big enough to hold the
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* data. Presumably #dest will be a handle to texture memory.
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* The command_index controls the offset where the data will be written
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* to.
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*
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* @param dest Handle to the memory to write the command to
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* @param command_index Offset to write the command to. The command will write
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* its data to command_index * GPU_COMMAND_ENTRIES. When writing
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* the GPUCommand in a GPUCommandList, the command_index will
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* most likely be the index of the command in the list.
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*/
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void GPUCommand::write_to(const PTA_uchar &dest, size_t command_index) {
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size_t command_size = GPU_COMMAND_ENTRIES * sizeof(float);
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size_t offset = command_index * command_size;
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memcpy(dest.p() + offset, &_data, command_size);
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}
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