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-rw-r--r--examples/effects/customshader/customshadereffect.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/effects/customshader/customshadereffect.cpp b/examples/effects/customshader/customshadereffect.cpp
index 69fdb15..c5ac3e3 100644
--- a/examples/effects/customshader/customshadereffect.cpp
+++ b/examples/effects/customshader/customshadereffect.cpp
@@ -48,7 +48,7 @@ static char const colorizeShaderCode[] =
" vec4 src = texture2D(imageTexture, textureCoords);\n"
" float gray = dot(src.rgb, vec3(0.212671, 0.715160, 0.072169));\n"
" vec4 colorize = 1.0-((1.0-gray)*(1.0-effectColor));\n"
- " return vec4(colorize.rgb, src.a);\n"
+ " return vec4(colorize.rgb * src.a, src.a);\n"
"}";
CustomShaderEffect::CustomShaderEffect()