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0026070: Ray tracing with reflections is poor on rotated presentation

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Test case for issue CR26070
This commit is contained in:
dbp 2015-04-16 10:56:46 +03:00 committed by bugmaster
parent 1d19db8dad
commit cf537aacf7
2 changed files with 77 additions and 5 deletions
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12
src/Shaders/RaytraceBase.fs
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@ -927,7 +927,13 @@ vec4 Radiance (in SRay theRay, in vec3 theInverse)
return vec4 (aResult.xyz + aWeight.xyz * aColor.xyz, aWeight.w * aColor.w);
}
aHit.Normal = normalize (aHit.Normal);
vec3 aInvTransf0 = texelFetch (uSceneTransformTexture, anObjectId * 4 + 0).xyz;
vec3 aInvTransf1 = texelFetch (uSceneTransformTexture, anObjectId * 4 + 1).xyz;
vec3 aInvTransf2 = texelFetch (uSceneTransformTexture, anObjectId * 4 + 2).xyz;
aHit.Normal = normalize (vec3 (dot (aInvTransf0, aHit.Normal),
dot (aInvTransf1, aHit.Normal),
dot (aInvTransf2, aHit.Normal)));
// For polygons that are parallel to the screen plane, the depth slope
// is equal to 1, resulting in small polygon offset. For polygons that
@ -946,10 +952,6 @@ vec4 Radiance (in SRay theRay, in vec3 theInverse)
theRay.Origin += theRay.Direct * aHit.Time; // intersection point
vec3 aInvTransf0 = texelFetch (uSceneTransformTexture, anObjectId * 4 + 0).xyz;
vec3 aInvTransf1 = texelFetch (uSceneTransformTexture, anObjectId * 4 + 1).xyz;
vec3 aInvTransf2 = texelFetch (uSceneTransformTexture, anObjectId * 4 + 2).xyz;
vec3 aNormal = SmoothNormal (aHit.UV, aTriIndex);
aNormal = normalize (vec3 (dot (aInvTransf0, aNormal),

70
tests/v3d/raytrace/bug26070 Executable file
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@ -0,0 +1,70 @@
puts "============"
puts "OCC26070"
puts "============"
puts ""
#########################################################################
# Ray tracing with reflections is poor on rotated presentation
#########################################################################
#source samples/tcl/cad.tc
# make base
box b0 0 0 0 12 7 6
explode b0 e
blend b01 b0 1 b0_8
blend b02 b01 1 b0_6
# make cut at bottom
box b1 3 -1 0 2 9 1.5
bcut b2 b02 b1
explode b2 e
blend b3 b2 1 b2_27
blend b4 b3 1 b2_30
# make central cut
box h1 3 -1 2.5 2 9 0.5
box h2 3 -1 3 2 9 2
plane p 4 -1 3 0 1 0
pcylinder c p 1 9
bcommon h3 h2 c
bcut b5 b4 h1
bcut b6 b5 h3
# make side cut
box b7 9 -1 1 2 9 4
explode b7 e
blend b71 b7 1 b7_6
blend b72 b71 1 b7_8
bcut b8 b6 b72
# make box for inner cylindrical cut
box bc1 -1 0 2 9 1 4
box bc2 2 -1 2 4 3 3
bcut bc3 bc1 bc2
explode bc3 e
blend bc4 bc3 1 bc3_20
blend bc5 bc4 1 bc3_23
blend bc6 bc5 1.99 bc3_21
blend bc7 bc6 1.99 bc3_22
# make inner cylindrical cut
explode bc7 f
revol r bc7_1 -1 0 6 1 0 0 100
bcut b9 b8 r
# make outer cylindrical cut
plane p2 -1 0 6 1 0 0
pcylinder c2 p2 6 15
bcommon res b9 c2
# show result
#donly res
trotate res 0 0 0 0 0 1 90
#vinit
vdisplay res
vsetdispmode 1
#vshowfaceboundary res 1 255 255 255
vfit
vrenderparams -rayTrace -reflections
vlocrotate res 0 0 0 0 0 1 180
vfit