1 files changed, 2 insertions, 13 deletions
diff --git a/src/render/shaders/glsl/CMrgbx.frag b/src/render/shaders/glsl/CMrgbx.frag
index e2b1a838..d37328de 100644
--- a/src/render/shaders/glsl/CMrgbx.frag
+++ b/src/render/shaders/glsl/CMrgbx.frag
@@ -7,14 +7,9 @@ uniform sampler2D tex;
 
 uniform int sourceTF; // eTransferFunction
 uniform int targetTF; // eTransferFunction
-uniform mat4x2 targetPrimaries;
+uniform mat3 targetPrimariesXYZ;
 
 uniform float alpha;
-
-uniform bool discardOpaque;
-uniform bool discardAlpha;
-uniform float discardAlphaValue;
-
 uniform bool applyTint;
 uniform vec3 tint;
 
@@ -25,14 +20,8 @@ layout(location = 0) out vec4 fragColor;
 void main() {
     vec4 pixColor = vec4(texture(tex, v_texcoord).rgb, 1.0);
 
-    if (discardOpaque && pixColor.a * alpha == 1.0)
-        discard;
-
-    if (discardAlpha && pixColor.a <= discardAlphaValue)
-        discard;
-
     // this shader shouldn't be used when skipCM == 1
-    pixColor = doColorManagement(pixColor, sourceTF, targetTF, targetPrimaries);
+    pixColor = doColorManagement(pixColor, sourceTF, targetTF, targetPrimariesXYZ);
 
     if (applyTint)
         pixColor.rgb *= tint;