Long live the slayer!

Initial commit of OpenGL Runtime to repository.
Based on SHA1 61823aaccc6510699a54b34a2fe3f7523dab3b4e
of qt3dstudio repository.

Task-number: QT3DS-3600
Change-Id: Iaeb80237399f0e5656a19ebec9d1ab3a681d8832
Reviewed-by: Pasi Keränen <pasi.keranen@qt.io>
 

1 files changed, 10 insertions, 0 deletions

diff --git a/res/effectlib/shadowMappingFragment.glsllib b/res/effectlib/shadowMappingFragment.glsllib
new file mode 100644
index 0000000..660d736
--- /dev/null
+++ b/res/effectlib/shadowMappingFragment.glsllib
@@ -0,0 +1,10 @@
+#include "depthpass.glsllib"
+float FragmentParaboloidDepth( vec4 inWorldPos, mat4 inMVP, vec2 inCameraProperties )
+{
+    if (inWorldPos.w < 0.0)
+       discard;
+    vec4 projVec = inMVP * vec4( inWorldPos.xyz, 1.0 );
+    projVec /= projVec.w;
+    projVec.z = depthValueToLinearDistance( 1.0 - projVec.z, inCameraProperties );
+    return (projVec.z - inCameraProperties.x) / (inCameraProperties.y - inCameraProperties.x);
+}