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0e3025bc14
Frustum culling is now managed by Graphic3d_RenderingParams::FrustumCullingState flag and can be switched into Graphic3d_RenderingParams::FrustumCulling_NoUpdate state useful for debugging the algorithm. Draw Harness command vrustumculling has been replaced by vrenderparams -frustumCulling.
80 lines
2.1 KiB
Plaintext
80 lines
2.1 KiB
Plaintext
puts "============"
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puts "CR25760"
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puts "============"
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puts ""
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#######################################################################
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# Visualization - precision factor added to ZNear, ZFar in method ZFitAll() of Graphic3d_Camera is not enough
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#######################################################################
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vinit View1 w=409 h=409
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vclear
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proc test2d {} {
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set pix1 {135 204}
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set pix2 {204 187}
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for {set i 8} {$i <= 8} {incr i} {
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set min_z [expr pow (-10, $i)]
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set max_z [expr $min_z + 1000]
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plane p1 0 0 $min_z 0 0 1
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plane p2 0 0 $max_z 0 0 1
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mkface f1 p1 -1 0 -1 0
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mkface f2 p2 0 1 0 1
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vclear
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vdisplay f1 f2
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vtop
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vfit
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for {set z [expr $max_z + 1.0]} {$z <= 1e10} {set z [expr abs ($z) * 1.2]} {
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vviewparams -eye 0 0 $z
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vmoveto {*}$pix1
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if { [checkcolor {*}$pix1 0 1 1] != 1 } {
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puts "Error: 2D projection test failed with the following parameters:"
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vviewparams
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vzrange
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puts ""
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puts "z : $z"
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puts "min_z: $min_z"
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puts "max_z: $max_z"
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return 0
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}
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vmoveto {*}$pix2
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if { [checkcolor {*}$pix2 0 1 1] != 1 } {
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puts "Error: 2D projection test failed with the following parameters:"
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vviewparams
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vzrange
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puts ""
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puts "z : $z"
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puts "min_z: $min_z"
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puts "max_z: $max_z"
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return 0
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}
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}
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}
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return 1
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}
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set tcl_precision 16
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####################################################################
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# Test orthographic camera without frustum culling. #
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####################################################################
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vcamera -ortho
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vrenderparams -frustumculling off
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if { [test2d] != 1 } {
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puts "Error: 2D projection test failed: view frustum culling is OFF"
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}
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####################################################################
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# Test orthographic camera with frustum culling. #
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####################################################################
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vcamera -ortho
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vrenderparams -frustumculling on
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if { [test2d] != 1 } {
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puts "Error: 2D projection test failed: view frustum culling is ON"
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}
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