[gtk/matthiasc/for-master] gradient shaders: Reduce out values as well

[Matthias Clasen <matthiasc src gnome org>]

commit 982ebf1b696f006a5a309b9a45e705c1f74bde2d
Author: Timm Bäder <mail baedert org>
Date:   Sat Sep 26 08:43:36 2020 +0200

    gradient shaders: Reduce out values as well
    
    We only do 6 color stops here now. Also works around a driver bug.
    
    Fixes #3196

 gsk/resources/glsl/linear_gradient.glsl | 8 ++++----
 gsk/resources/glsl/radial_gradient.glsl | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/gsk/resources/glsl/linear_gradient.glsl b/gsk/resources/glsl/linear_gradient.glsl
index 180955ee75..588d9ec744 100644
--- a/gsk/resources/glsl/linear_gradient.glsl
+++ b/gsk/resources/glsl/linear_gradient.glsl
@@ -9,8 +9,8 @@ _OUT_ vec2 endPoint;
 _OUT_ float maxDist;
 _OUT_ vec2 gradient;
 _OUT_ float gradientLength;
-_OUT_ vec4 color_stops[8];
-_OUT_ float color_offsets[8];
+_OUT_ vec4 color_stops[6];
+_OUT_ float color_offsets[6];
 
 void main() {
   gl_Position = u_projection * u_modelview * vec4(aPosition, 0.0, 1.0);
@@ -44,8 +44,8 @@ _IN_ vec2 endPoint;
 _IN_ float maxDist;
 _IN_ vec2 gradient;
 _IN_ float gradientLength;
-_IN_ vec4 color_stops[8];
-_IN_ float color_offsets[8];
+_IN_ vec4 color_stops[6];
+_IN_ float color_offsets[6];
 
 void main() {
   // Position relative to startPoint
diff --git a/gsk/resources/glsl/radial_gradient.glsl b/gsk/resources/glsl/radial_gradient.glsl
index 97ee2c31f5..178806f83c 100644
--- a/gsk/resources/glsl/radial_gradient.glsl
+++ b/gsk/resources/glsl/radial_gradient.glsl
@@ -7,8 +7,8 @@ uniform vec2 u_radius;
 uniform vec2 u_center;
 
 _OUT_ vec2 center;
-_OUT_ vec4 color_stops[8];
-_OUT_ float color_offsets[8];
+_OUT_ vec4 color_stops[6];
+_OUT_ float color_offsets[6];
 _OUT_ float start;
 _OUT_ float end;
 
@@ -39,8 +39,8 @@ uniform vec2 u_radius;
 uniform float u_end;
 
 _IN_ vec2 center;
-_IN_ vec4 color_stops[8];
-_IN_ float color_offsets[8];
+_IN_ vec4 color_stops[6];
+_IN_ float color_offsets[6];
 _IN_ float start;
 _IN_ float end;