diff --git a/libs/vkd3d-shader/glsl.c b/libs/vkd3d-shader/glsl.c
index eb04d9022..aac7d5507 100644
--- a/libs/vkd3d-shader/glsl.c
+++ b/libs/vkd3d-shader/glsl.c
@@ -1635,6 +1635,9 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *gen,
         case VSIR_OP_RSQ:
             shader_glsl_intrinsic(gen, ins, "inversesqrt");
             break;
+        case VSIR_OP_SIN:
+            shader_glsl_intrinsic(gen, ins, "sin");
+            break;
         case VSIR_OP_SQRT:
             shader_glsl_intrinsic(gen, ins, "sqrt");
             break;
diff --git a/tests/hlsl/trigonometry.shader_test b/tests/hlsl/trigonometry.shader_test
index e9c560bf7..e7e020305 100644
--- a/tests/hlsl/trigonometry.shader_test
+++ b/tests/hlsl/trigonometry.shader_test
@@ -13,7 +13,7 @@ float4 main(float tex : texcoord) : sv_target
 }
 
 [test]
-todo(glsl | msl) draw quad
+todo(msl) draw quad
 probe ( 0, 0) rgba ( 0.00000000,  1.00000000,  0.00000000, 0.0)
 probe ( 1, 0) rgba ( 0.84147098,  0.54030231,  1.55740772, 0.0) 1024
 probe ( 2, 0) rgba ( 0.90929743, -0.41614684, -2.18503986, 0.0) 1024
@@ -42,7 +42,7 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 0.0 0.52359877 2.61799387 3.14159265
-todo(glsl | msl) draw quad
+todo(msl) draw quad
 probe (0, 0) rgba (0.0, 500.0, 500.0, 0.0)
 
 
@@ -72,7 +72,7 @@ float4 main() : sv_target
 % tan(pi/2) is an asymtote and therefore undefined
 % so check 0, pi/4, 3pi/4, pi
 uniform 0 float4 0.0 0.78539816 2.35619449 3.14159265
-todo(glsl | msl) draw quad
+todo(msl) draw quad
 probe (0, 0) rgba (0, 1000, -1000.0, 0)
 
 
@@ -140,10 +140,10 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 7.604 0 0 0
-todo(glsl | msl) draw quad
+todo(msl) draw quad
 probe (0, 0) rgba (0.968916833, 0.2473865, 0, 0) 1024
 uniform 0 float4 -10.0 0 0 0
-todo(glsl | msl) draw quad
+todo(msl) draw quad
 probe (0, 0) rgba (0.544020891, -0.839071631, 0.0, 0.0) 1024
 
 [pixel shader fail]
@@ -171,5 +171,5 @@ float4 main() : sv_target
 }
 
 [test]
-todo(glsl | msl & sm<6) draw quad
+todo(msl & sm<6) draw quad
 probe (0, 0) rgba (0, 0, 0, 0);