[Bf-blender-cvs] [ed325c3ce74] soc-2020-fluid-tools: Minor refactoring change.

[Sriharsha Kotcharlakot]

Commit: ed325c3ce742b327a82fc8b756616503771c7ab5
Author: Sriharsha Kotcharlakot
Date:   Tue Jun 9 21:59:29 2020 +0530
Branches: soc-2020-fluid-tools
https://developer.blender.org/rBed325c3ce742b327a82fc8b756616503771c7ab5

Minor refactoring change.

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M	source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl

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diff --git a/source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl b/source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl
index 27f6b9ed728..b9bd3862067 100644
--- a/source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl
+++ b/source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl
@@ -97,10 +97,9 @@ vec4 sample_tricubic(sampler3D ima, vec3 co)
 
 vec4 sample_raw(sampler3D ima, vec3 co)
 {
-  vec3 tex_size = vec3(textureSize(ima, 0).xyz);
-  /* texel center */
-  vec3 tc = co - mod(co, 1.0 / tex_size) + 0.5 / tex_size;
-  return texture(ima, tc);
+  vec3 texel_size = vec3(textureSize(ima, 0).xyz);
+  vec3 texel_center = co - mod(co, 1.0 / texel_size) + 0.5 / texel_size;
+  return texture(ima, texel_center);
 }
 
 #ifdef USE_TRICUBIC