Fix T98647: EEVEE: Camera Data Node's View Vector Broken

Fix regression and remove duplicated computation.

1 files changed, 5 insertions, 3 deletions

diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_camera.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_camera.glsl
index ff84a0a334c..b1a29833d77 100644
--- a/source/blender/gpu/shaders/material/gpu_shader_material_camera.glsl
+++ b/source/blender/gpu/shaders/material/gpu_shader_material_camera.glsl
@@ -1,6 +1,8 @@
 void camera(out vec3 outview, out float outdepth, out float outdist)
 {
-  outdepth = abs(transform_point(ViewMatrix, g_data.P).z);
-  outdist = distance(g_data.P, cameraPos);
-  outview = normalize(g_data.P - cameraPos);
+  vec3 vP = transform_point(ViewMatrix, g_data.P);
+  vP.z = -vP.z;
+  outdepth = abs(vP.z);
+  outdist = length(vP);
+  outview = normalize(vP);
 }