Cycles: add utility functions for zero float2/float3/float4/transform

Ref D8237, T78710

1 files changed, 6 insertions, 6 deletions

diff --git a/intern/cycles/render/camera.cpp b/intern/cycles/render/camera.cpp
index 30bf6c4241a..1f932135a57 100644
--- a/intern/cycles/render/camera.cpp
+++ b/intern/cycles/render/camera.cpp
@@ -189,8 +189,8 @@ Camera::Camera() : Node(node_type)
 
   full_rastertocamera = projection_identity();
 
-  dx = make_float3(0.0f, 0.0f, 0.0f);
-  dy = make_float3(0.0f, 0.0f, 0.0f);
+  dx = zero_float3();
+  dy = zero_float3();
 
   need_device_update = true;
   need_flags_update = true;
@@ -310,8 +310,8 @@ void Camera::update(Scene *scene)
               transform_perspective(&full_rastertocamera, make_float3(0, 0, 0));
   }
   else {
-    dx = make_float3(0.0f, 0.0f, 0.0f);
-    dy = make_float3(0.0f, 0.0f, 0.0f);
+    dx = zero_float3();
+    dy = zero_float3();
   }
 
   dx = transform_direction(&cameratoworld, dx);
@@ -568,7 +568,7 @@ float3 Camera::transform_raster_to_world(float raster_x, float raster_y)
   if (camera_type == CAMERA_PERSPECTIVE) {
     D = transform_perspective(&rastertocamera, make_float3(raster_x, raster_y, 0.0f));
     float3 Pclip = normalize(D);
-    P = make_float3(0.0f, 0.0f, 0.0f);
+    P = zero_float3();
     /* TODO(sergey): Aperture support? */
     P = transform_point(&cameratoworld, P);
     D = normalize(transform_direction(&cameratoworld, D));
@@ -643,7 +643,7 @@ float Camera::world_to_raster_size(float3 P)
       float3 p = transform_point(&worldtocamera, P);
       float3 v1 = transform_perspective(&full_rastertocamera,
                                         make_float3(full_width, full_height, 0.0f));
-      float3 v2 = transform_perspective(&full_rastertocamera, make_float3(0.0f, 0.0f, 0.0f));
+      float3 v2 = transform_perspective(&full_rastertocamera, zero_float3());
 
       /* Create point clamped to frustum */
       float3 c;