0030640: Visualization, Graphic3d_Camera - add option creating Projection matrix...

[occt.git] / src / Shaders / Shaders_RaytraceBase_fs.pxx

diff --git a/src/Shaders/Shaders_RaytraceBase_fs.pxx b/src/Shaders/Shaders_RaytraceBase_fs.pxx
index c7f6a4a..3b54d4e 100644 (file)
--- a/src/Shaders/Shaders_RaytraceBase_fs.pxx
+++ b/src/Shaders/Shaders_RaytraceBase_fs.pxx
@@ -1085,7 +1085,11 @@ static const char Shaders_RaytraceBase_fs[] =
   "      vec4 aNDCPoint = uViewMat * vec4 (theRay.Origin, 1.f);\n"
   "\n"
   "      float aPolygonOffset = PolygonOffset (aHit.Normal, theRay.Origin);\n"
+  "    #ifdef THE_ZERO_TO_ONE_DEPTH\n"
+  "      aRaytraceDepth = (aNDCPoint.z / aNDCPoint.w + aPolygonOffset * POLYGON_OFFSET_SCALE);\n"
+  "    #else\n"
   "      aRaytraceDepth = (aNDCPoint.z / aNDCPoint.w + aPolygonOffset * POLYGON_OFFSET_SCALE) * 0.5f + 0.5f;\n"
+  "    #endif\n"
   "    }\n"
   "\n"
   "    vec3 aNormal = SmoothNormal (aHit.UV, aTriIndex);\n"