puts "============"
puts "0031478: Visualization, TKOpenGl - allow uploading Cubemap in compressed DDS format when supported by GPU"
puts "============"
puts ""

pload MODELING VISUALIZATION

if { $::tcl_platform(os) == "Darwin" } {
  # PBR doesn't work with Compatible Profile on macOS
  vcaps -core
}
if { [vdriver -default] == "TKOpenGles" } {
  puts "Skipping test case 'DDS texture': OpenGL ES does not support sRGB S3TC_DXT1 texture format"
  return
}

set aCubeMapPNG [locate_data_file cubemap_labels.png]
set aCubeMapDDS [locate_data_file cubemap_labels.dds]

box b 1 2 3
psphere s 1

vclear
vinit View1 -w 512 -h 512
vcamera -fovy 100
vzbufftrihedron
#vdisplay -dispMode 1 b
vdisplay -dispMode 1 s
vfit

vrenderparams -shadingModel pbr
vbackground -cubemap $aCubeMapPNG -invertedz
vdump $imagedir/${casename}_png.png

vbackground -cubemap $aCubeMapDDS -invertedz
vdump $imagedir/${casename}_dds.png