Add another missing clear.

[nageru] / densify.vert

diff --git a/densify.vert b/densify.vert
index 0506b9caf7ee000eb4616611b982fac474003451..f32b9d4151cbe3a4f587c2a6cf5225be426c7673 100644 (file)
--- a/densify.vert
+++ b/densify.vert
@@ -3,6 +3,7 @@
 in vec2 position;
 out vec2 image_pos;
 flat out vec2 flow_du;
+flat out float mean_diff;
 
 uniform int width_patches;
 uniform vec2 patch_size;  // In 0..1 coordinates.
@@ -28,7 +29,9 @@ void main()
        image_pos = patch_spacing * ivec2(patch_x, patch_y) + patch_size * grown_pos;
 
        // Find the flow value for this patch, and send it on to the fragment shader.
-       flow_du = texelFetch(flow_tex, ivec2(patch_x, patch_y), 0).xy;
+       vec3 flow_du_and_mean_diff = texelFetch(flow_tex, ivec2(patch_x, patch_y), 0).xyz;
+       flow_du = flow_du_and_mean_diff.xy;
+       mean_diff = flow_du_and_mean_diff.z;
 
        // The result of glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0) is:
        //