kinect/codes/Azure-Kinect-Sensor-SDK/examples/viewer/opengl/texture.cpp

81 lines
2.0 KiB
C++
Raw Permalink Normal View History

2024-03-06 18:05:53 +00:00
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
#include "texture.h"
#include "viewerutil.h"
using namespace viewer;
Texture::Texture(int width, int height) : m_width(width), m_height(height)
{
glGenTextures(1, &m_name);
glBindTexture(GL_TEXTURE_2D, m_name);
// Set filtering mode so the texture gets sampled properly
//
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// Reserve storage for the texture
//
glTexStorage2D(GL_TEXTURE_2D, // target
1, // levels
GL_RGBA32F, // internalformat
m_width, // width
m_height); // height
CheckOpenGLErrors();
}
Texture::Texture(Texture &&other)
{
*this = std::move(other);
}
Texture &Texture::operator=(Texture &&other)
{
if (this == &other)
{
return *this;
}
DeleteTexture();
m_name = other.m_name;
m_height = other.m_height;
m_width = other.m_width;
other.m_name = InvalidTextureName;
other.m_height = 0;
other.m_width = 0;
return *this;
}
Texture::~Texture()
{
DeleteTexture();
}
void Texture::DeleteTexture()
{
glDeleteTextures(1, &m_name);
}
void Texture::Update(const BgraPixel *data)
{
glBindTexture(GL_TEXTURE_2D, m_name);
glTexSubImage2D(GL_TEXTURE_2D, // target
0, // level
0, // xoffset
0, // yoffset
m_width, // width
m_height, // height
GL_BGRA, // format
GL_UNSIGNED_BYTE, // type
reinterpret_cast<const GLvoid *>(data)); // pixels
CheckOpenGLErrors();
}