0.8.1 API documentation
Code sample: Generating mipmaps and converting float textures to rgb9e5
1 {c++}
2 #include <gli/texture2d.hpp>
3 #include <gli/convert.hpp>
4 #include <gli/generate_mipmaps.hpp>
5 
6 bool convert_rgb32f_rgb9e5(const char* FilenameSrc, const char* FilenameDst)
7 {
8  if(FilenameDst == NULL)
9  return false;
10  if(std::strstr(FilenameDst, ".dds") > 0 || std::strstr(FilenameDst, ".ktx") > 0)
11  return false;
12 
13  gli::texture2d TextureSource(gli::load(FilenameSrc));
14  if(TextureSource.empty())
15  return false;
16  if(TextureSource.format() != gli::FORMAT_RGB16_SFLOAT_PACK16 && TextureSource.format() != gli::FORMAT_RGB32_SFLOAT_PACK32)
17  return false;
18 
19  gli::texture2d TextureMipmaped = gli::generate_mipmaps(TextureSource, gli::FILTER_LINEAR);
20 
21  gli::texture2d TextureConverted = gli::convert(TextureMipmaped, gli::FORMAT_RGB9E5_UFLOAT_PACK32);
22 
23  gli::save(TextureConverted, FilenameDst);
24 
25  return true;
26 }