Clean up renderer visualization a bit.

viewport was currently unused and adreno 305 was confused by
the tweak.w > 0.0 when the input was 0.0f, so write it
in a slightly more straightforward manner.

Change-Id: I101ff71dcb04ca531e91cc5522876d71f368cdc8
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>

2 files changed, 5 insertions, 5 deletions

diff --git a/src/quick/scenegraph/shaders/visualization.frag b/src/quick/scenegraph/shaders/visualization.frag
index 205b726c03..6cfeac1985 100644
--- a/src/quick/scenegraph/shaders/visualization.frag
+++ b/src/quick/scenegraph/shaders/visualization.frag
@@ -1,11 +1,11 @@
 uniform lowp vec4 color;
-uniform mediump vec4 tweak; // x,y -> width, height; z -> intensity of ;
+uniform lowp float pattern;
 
 varying mediump vec2 pos;
 
 void main(void)
 {
     lowp vec4 c = color;
-    c.xyz += pow(max(sin(pos.x + pos.y), 0.0), 2.0) * tweak.z * 0.1;
+    c.xyz += pow(max(sin(pos.x + pos.y), 0.0), 2.0) * pattern * 0.1;
     gl_FragColor = c;
 }
diff --git a/src/quick/scenegraph/shaders/visualization.vert b/src/quick/scenegraph/shaders/visualization.vert
index 591eb12ed6..e110f51c99 100644
--- a/src/quick/scenegraph/shaders/visualization.vert
+++ b/src/quick/scenegraph/shaders/visualization.vert
@@ -2,8 +2,8 @@ attribute highp vec4 v;
 uniform highp mat4 matrix;
 uniform highp mat4 rotation;
 
-// w -> apply 3d rotation and projection
-uniform mediump vec4 tweak;
+// set to 1 if projection is enabled
+uniform bool projection;
 
 varying mediump vec2 pos;
 
@@ -11,7 +11,7 @@ void main()
 {
     vec4 p = matrix * v;
 
-    if (tweak.w > 0.0) {
+    if (projection) {
         vec4 proj = rotation * p;
         gl_Position = vec4(proj.x, proj.y, 0, proj.z);
     } else {