Color adjustment test for running on perf bots.

cc/output/shader.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/output/shader.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 2069 matching lines @@
     void main() {
       vec2 ya_clamped =
           max(ya_clamp_rect.xy, min(ya_clamp_rect.zw, v_yaTexCoord));
       float y_raw = TextureLookup(y_texture, ya_clamped).x;
       vec2 uv_clamped =
           max(uv_clamp_rect.xy, min(uv_clamp_rect.zw, v_uvTexCoord));
       float u_unsigned = TextureLookup(u_texture, uv_clamped).x;
       float v_unsigned = TextureLookup(v_texture, uv_clamped).x;
       vec3 yuv = vec3(y_raw, u_unsigned, v_unsigned) + yuv_adj;
       vec3 rgb = yuv_matrix * yuv;
+      rgb = mix(rgb/4.5,
+                pow((rgb + vec3(0.0999, 0.0999, 0.0999)) / 1.099,
+                    vec3(1.0/0.45, 1.0/0.45, 1.0/0.45)),
+                step(0.081, rgb));
+      rgb = mix(rgb * 12.92,
+                pow(rgb, vec3(1.0/2.4, 1.0/2.4, 1.0/2.4)) * 1.055 - vec3(0.055, 0.055, 0.055),
+                step(0.0031308, rgb));
       gl_FragColor = vec4(rgb, 1.0) * alpha;
     }
   });
 }
 
 FragmentShaderYUVAVideo::FragmentShaderYUVAVideo()
     : y_texture_location_(-1),
       u_texture_location_(-1),
       v_texture_location_(-1),
       a_texture_location_(-1),
@@ skipping 146 matching lines @@
     void main() {
       vec4 d4 = min(edge_dist[0], edge_dist[1]);
       vec2 d2 = min(d4.xz, d4.yw);
       float aa = clamp(gl_FragCoord.w * min(d2.x, d2.y), 0.0, 1.0);
       gl_FragColor = color * aa;
     }
   });
 }
 
 }  // namespace cc