added uniformMatrix. Ticket: https://processing-js.lighthouseapp.com/…

…projects/41284/tickets/250-uniformmatrix
asalga · Feb 1, 2010 · b74f3e7 · b74f3e7
1 parent 3e087af
commit b74f3e7
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/processing.js b/processing.js
@@ -1923,7 +1923,17 @@
 
     p.PVector = PVector;
 
-
+    function uniformMatrix(programObj, varName, transpose, matrix)
+    {
+      var varLocation = curContext.getUniformLocation(programObj, varName);
+      // the variable won't be found if it was optimized out.
+      if( varLocation !== -1)
+      {
+        if      (matrix.length === 16){curContext.uniformMatrix4fv(varLocation, transpose, matrix);}
+        else if (matrix.length ===  9){curContext.uniformMatrix3fv(varLocation, transpose, matrix);}
+        else                          {curContext.uniformMatrix2fv(varLocation, transpose, matrix);}
+      }
+    }
     ////////////////////////////////////////////////////////////////////////////
     // Style functions
     ////////////////////////////////////////////////////////////////////////////