[Bf-blender-cvs] [f3161bd2abe] blender2.8: Eevee: Planar Reflections: Fix corrupted results in downsampling step.

Clément Foucault noreply at git.blender.org
Sat Mar 10 02:49:09 CET 2018


Commit: f3161bd2abe4bcc41f0e9169275be315ecc6b054
Author: Clément Foucault
Date:   Sat Mar 10 02:18:12 2018 +0100
Branches: blender2.8
https://developer.blender.org/rBf3161bd2abe4bcc41f0e9169275be315ecc6b054

Eevee: Planar Reflections: Fix corrupted results in downsampling step.

It only seems to happen in some drivers/gpu, the vertices gets culled if 4th component is 0.0. So lesson learned: always use 1.0 if constant.

===================================================================

M	source/blender/draw/engines/eevee/shaders/lightprobe_planar_downsample_geom.glsl

===================================================================

diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_planar_downsample_geom.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_downsample_geom.glsl
index 40b04c986f3..23c16f0fa30 100644
--- a/source/blender/draw/engines/eevee/shaders/lightprobe_planar_downsample_geom.glsl
+++ b/source/blender/draw/engines/eevee/shaders/lightprobe_planar_downsample_geom.glsl
@@ -11,13 +11,13 @@ void main() {
 	gl_Layer = instance[0];
 	layer = float(instance[0]);
 
-	gl_Position = vec4(vPos[0], 0.0, 0.0);
+	gl_Position = vec4(vPos[0], 0.0, 1.0);
 	EmitVertex();
 
-	gl_Position = vec4(vPos[1], 0.0, 0.0);
+	gl_Position = vec4(vPos[1], 0.0, 1.0);
 	EmitVertex();
 
-	gl_Position = vec4(vPos[2], 0.0, 0.0);
+	gl_Position = vec4(vPos[2], 0.0, 1.0);
 	EmitVertex();
 
 	EndPrimitive();



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