int main(int Extent)
{
int Error = 0;
gli::texture2d TextureSource(gli::FORMAT_R8_UNORM_PACK8, gli::texture2d::extent_type(Extent));
TextureSource.clear(gli::u8(255));
std::clock_t TimeBegin = std::clock();
gli::texture2d TextureMipmaps = gli::generate_mipmaps(TextureSource, gli::FILTER_LINEAR);
Error = *TextureMipmaps.data<glm::u8>(0, 0, TextureMipmaps.max_level()) == gli::u8(255) ? 0 : 1;
std::clock_t TimeEnd = std::clock();
printf("2D texture generate mipmaps linear performance test: %d\n", TimeEnd - TimeBegin);
return Error;
}
bool convert_rgb32f_rgb9e5(const char* FilenameSrc, const char* FilenameDst)
{
if(FilenameDst == NULL)
return false;
if(std::strstr(FilenameDst, ".dds") > 0 || std::strstr(FilenameDst, ".ktx") > 0)
return false;
gli::texture2d TextureSource(gli::load(FilenameSrc));
if(TextureSource.empty())
return false;
if(TextureSource.format() != gli::FORMAT_RGB16_SFLOAT_PACK16 && TextureSource.format() != gli::FORMAT_RGB32_SFLOAT_PACK32)
return false;
gli::texture2d TextureMipmaped = gli::generate_mipmaps(TextureSource, gli::FILTER_LINEAR);
gli::texture2d TextureConverted = gli::convert(TextureMipmaped, gli::FORMAT_RGB9E5_UFLOAT_PACK32);
gli::save(TextureConverted, FilenameDst);
return true;
}
