Code samples

• #include <glm/glm.hpp>
• #include <gli/gli.hpp>
• // Allocated a 32 bits texture with one mipmap level
• gli::texture2D Texture(1, gli::RGBA8_UNORM, gli::texture2D::dimensions_type(256, 256));
• glm::u8vec4 * LinearAddress = Texture.data<glm::u8vec4>();
• ...
• // Do something
• ...
• gli::saveStorageDDS(Texture, "texture.dds");

• #include <gli/gli.hpp>
• //
• gli::texture2D Texture(gli::loadStorageDDS("kueken2.dds"));
• assert(!Texture.empty());
• glBindTexture(GL_TEXTURE_2D, TextureName);
• glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
• glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, GLint(Texture.levels() - 1));
• glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_RED);
• glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
• glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
• glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
• glTexStorage2D(GL_TEXTURE_2D,
• GLint(Texture.levels()),
• GLenum(gli::internal_format(Texture.format())),
• GLsizei(Texture.dimensions().x),
• GLsizei(Texture.dimensions().y));
• if(gli::is_compressed(Texture.format()))
• {
• for(gli::texture2D::size_type Level = 0; Level < Texture.levels(); ++Level)
• {
• glCompressedTexSubImage2D(GL_TEXTURE_2D,
• GLint(Level),
• 0, 0,
• GLsizei(Texture[Level].dimensions().x),
• GLsizei(Texture[Level].dimensions().y),
• GLenum(gli::internal_format(Texture.format())),
• GLsizei(Texture[Level].size()),
• Texture[Level].data());
• }
• }
• else
• {
• for(gli::texture2D::size_type Level = 0; Level < Texture.levels(); ++Level)
• {
• glTexSubImage2D(GL_TEXTURE_2D,
• GLint(Level),
• 0, 0,
• GLsizei(Texture[Level].dimensions().x),
• GLsizei(Texture[Level].dimensions().y),
• GLenum(gli::external_format(Texture.format())),
• GLenum(gli::type_format(Texture.format())),
• Texture[Level].data());
• }
• }