Support int/uint sampler in uniform setter

Author: ixcviw7bw

src/renderers/webgl/WebGLUniforms.js

@@ -475,9 +475,19 @@ function getSingularSetter( type ) {
 		case 0x8b5b: return setValue3fm; // _MAT3
 		case 0x8b5c: return setValue4fm; // _MAT4
 
-		case 0x8b5e: case 0x8d66: return setValueT1; // SAMPLER_2D, SAMPLER_EXTERNAL_OES
-		case 0x8B5F: return setValueT3D1; // SAMPLER_3D
-		case 0x8b60: return setValueT6; // SAMPLER_CUBE
+		case 0x8b5e: // SAMPLER_2D
+		case 0x8d66: // SAMPLER_EXTERNAL_OES
+		case 0x8dca: // INT_SAMPLER_2D
+		case 0x8dd2: // UNSIGNED_INT_SAMPLER_2D
+		return setValueT1;
+		case 0x8b5f: // SAMPLER_3D
+		case 0x8dcb: // INT_SAMPLER_3D
+		case 0x8dd3: // UNSIGNED_INT_SAMPLER_3D
+		return setValueT3D1; 
+		case 0x8b60: // SAMPLER_CUBE
+		case 0x8dcc: // INT_SAMPLER_CUBE
+		case 0x8dd4: // UNSIGNED_SAMPLER_CUBE
+		return setValueT6;
 
 		case 0x1404: case 0x8b56: return setValue1i; // INT, BOOL
 		case 0x8b53: case 0x8b57: return setValue2iv; // _VEC2