Increase precision of shader variable (#8423)

Fixes #7599
2017-03-15 15:02:02 -04:00
parent 2b4b94d3a7
commit 458de43b9e
2 changed files with 2 additions and 2 deletions
--- a/2
+++ b/2
--- a/src/mbgl/shaders/symbol_sdf.cpp
+++ b/src/mbgl/shaders/symbol_sdf.cpp
@@ -142,7 +142,7 @@ void main() {
    

    lowp vec4 color = fill_color;
-    lowp float gamma = EDGE_GAMMA / u_gamma_scale;
+    highp float gamma = EDGE_GAMMA / u_gamma_scale;
    lowp float buff = (256.0 - 64.0) / 256.0;
    if (u_is_halo) {
        color = halo_color;