puts "========"
puts "Texture 2D transformation (UV coordinates generation)"
puts "========"

set aTexture [locate_data_file bug26122_texture_trsf_ref.png]
pload MODELING VISUALIZATION
box b 1 1 1
explode b F

for { set aPass 0 } { $aPass < 2 } { incr aPass } {
  vclear
  vclose ALL

  set aSuffix ""
  if { $aPass == 0 } {
    set aSuffix "ffp"
    vcaps -ffp 1
  } else {
    set aSuffix "glsl"
    vcaps -ffp 0
  }

  vinit View1 w=512 h=512
  vtop
  vdisplay -dispMode 1 b_6
  vfit

  vtexture b_6 $aTexture -modulate off
  vdump $::imagedir/${::casename}_identity_${aSuffix}.png

  vtexture b_6 $aTexture -origin 0.0 0.0 -scale 1.25 0.5
  vdump $::imagedir/${::casename}_scale_${aSuffix}.png

  vtexture b_6 $aTexture -origin 0.25 -0.25 -scale 1.0 1.0
  vdump $::imagedir/${::casename}_translate_${aSuffix}.png

  vtexture b_6 $aTexture -origin 0.25 -0.25 -scale 1.1 0.8
  vdump $::imagedir/${::casename}_${aSuffix}.png
}