GL/Program: Use glBindFragDataLocationIndexedEXT for GLES

src/common/gl/program.cpp

@@ -192,6 +192,18 @@ void Program::BindFragData(GLuint index /*= 0*/, const char* name /*= "o_col0"*/
 
 void Program::BindFragDataIndexed(GLuint color_number /*= 0*/, const char* name /*= "o_col0"*/)
 {
+  if (GLAD_GL_VERSION_3_3 || GLAD_GL_ARB_blend_func_extended)
+  {
+    glBindFragDataLocationIndexed(m_program_id, color_number, 0, name);
+    return;
+  }
+  else if (GLAD_GL_EXT_blend_func_extended)
+  {
+    glBindFragDataLocationIndexedEXT(m_program_id, color_number, 0, name);
+    return;
+  }
+
+  Log_ErrorPrintf("BindFragDataIndexed() called without ARB or EXT extension, we'll probably crash.");
   glBindFragDataLocationIndexed(m_program_id, color_number, 0, name);
 }