tleety
65 lines
2.2 KiB
C++
Executable File
65 lines
2.2 KiB
C++
Executable File
/*
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This file is part of Daydream Engine.
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Copyright 2014 Adam Byléhn, Tobias Dahl, Simon Holmberg, Viktor Ljung
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Daydream Engine is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Daydream Engine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with Daydream Engine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "PrecompiledHeader.h"
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#include "Core/Texture.h"
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dd::Texture::Texture(std::string path)
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{
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std::unique_ptr<Image> image = std::make_unique<PNG>(path);
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if (image->Width == 0 && image->Height == 0 || image->Format == Image::ImageFormat::Unknown) {
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image = std::make_unique<PNG>("Textures/Core/ErrorTexture.png");
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if (image->Width == 0 && image->Height == 0 || image->Format == Image::ImageFormat::Unknown) {
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LOG_ERROR("Couldn't even load the error texture. This is a dark day indeed.");
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return;
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}
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}
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GLint format;
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switch (image->Format) {
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case Image::ImageFormat::RGB:
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format = GL_RGB;
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break;
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case Image::ImageFormat::RGBA:
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format = GL_RGBA;
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break;
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}
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// Construct the OpenGL texture
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glGenTextures(1, &m_Texture);
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glBindTexture(GL_TEXTURE_2D, m_Texture);
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glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
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glTexImage2D(GL_TEXTURE_2D, 0, format, image->Width, image->Height, 0, format, GL_UNSIGNED_BYTE, image->Data);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
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glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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GLERROR("Texture load");
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}
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dd::Texture::~Texture()
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{
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glDeleteTextures(1, &m_Texture);
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}
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void dd::Texture::Bind(GLenum textureUnit /* = GL_TEXTURE0 */)
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{
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glActiveTexture(textureUnit);
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glBindTexture(GL_TEXTURE_2D, m_Texture);
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} |