Remove clamp function in contrast fragment shader.

* OpenGL automatically clamps the output colors to the [0, 1] interval. PiperOrigin-RevId: 465071999
google · Oct 19, 2022 · 30fab8c · 30fab8c
1 parent 40a28d5
commit 30fab8c
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/...oid_libs/media/libraries/effect/src/main/assets/shaders/fragment_shader_contrast_es2.glsl b/...oid_libs/media/libraries/effect/src/main/assets/shaders/fragment_shader_contrast_es2.glsl
@@ -26,8 +26,8 @@ void main() {
     vec4 inputColor = texture2D(uTexSampler, vTexSamplingCoord);
 
     gl_FragColor = vec4(
-        clamp(uContrastFactor * (inputColor.r - 0.5) + 0.5, 0.0, 1.0),
-        clamp(uContrastFactor * (inputColor.g - 0.5) + 0.5, 0.0, 1.0),
-        clamp(uContrastFactor * (inputColor.b - 0.5) + 0.5, 0.0, 1.0),
+        uContrastFactor * (inputColor.r - 0.5) + 0.5,
+        uContrastFactor * (inputColor.g - 0.5) + 0.5,
+        uContrastFactor * (inputColor.b - 0.5) + 0.5,
         inputColor.a);
 }