refactor(default): glsl cleaning (1/2)

default/inc_yuyv.glsl

@@ -4,41 +4,25 @@
 const int YUYV_FOURCC = 1448695129;
 
 // https://en.wikipedia.org/wiki/Y%E2%80%B2UV
-const mat3x3 yuyv_to_rgb_bt709 = {
-        {
-            1,
-            1,
-            1
-        },
-        {
-            0,
-            -0.21482,
-            2.12798
-        },
-        {
-            1.28033,
-            -0.38059,
-            0
-        }
-    };
+const mat3x3 yuyv_to_rgb_bt709 = mat3x3(1., 1., 1., 0., -.21482, 2.12798, 1.28033, -.38059, 0.);
 
 vec4 yuyvTex(sampler2D tex, vec2 vUV, int base_width) {
-    float w = base_width - 1;
+    float w = base_width - 1.;
     int x = int(vUV.x * w);
 
     int xU = x - x % 2;
     int xV = x - x % 2 + 1;
 
-    vec4 tU = texture(tex, vec2(xU / w, 1 - vUV.y));
-    vec4 tV = texture(tex, vec2(xV / w, 1 - vUV.y));
+    vec4 tU = texture(tex, vec2(xU / w, 1. - vUV.y));
+    vec4 tV = texture(tex, vec2(xV / w, 1. - vUV.y));
 
     vec3 yuv = vec3(
-            x % 2 == 0 ? tU.x : tV.x,
-            tU.y - 0.5,
-            tV.y - 0.5
+            x % 2 == 0. ? tU.x : tV.x,
+            tU.y - .5,
+            tV.y - .5
         );
 
-    return vec4(yuyv_to_rgb_bt709 * yuv, 1.0);
+    return vec4(yuyv_to_rgb_bt709 * yuv, 1.);
 }
 
 #endif