wined3d: Use the core version of glDrawElementsInstanced.

dlls/wined3d/directx.c

@@ -2884,6 +2884,7 @@ static void load_gl_funcs(struct wined3d_gl_info *gl_info)
     USE_GL_FUNC(glCompressedTexSubImage3D)  /* OpenGL 1.3 */
     USE_GL_FUNC(glDeleteBuffers)            /* OpenGL 1.5 */
     USE_GL_FUNC(glDrawBuffers)              /* OpenGL 2.0 */
+    USE_GL_FUNC(glDrawElementsInstanced)    /* OpenGL 3.1 */
     USE_GL_FUNC(glGenBuffers)               /* OpenGL 1.5 */
     USE_GL_FUNC(glGetBufferSubData)         /* OpenGL 1.5 */
     USE_GL_FUNC(glGetCompressedTexImage)    /* OpenGL 1.3 */
@@ -2919,6 +2920,7 @@ static void load_gl_funcs(struct wined3d_gl_info *gl_info)
     MAP_GL_FUNCTION(glCompressedTexSubImage3D, glCompressedTexSubImage3DARB);
     MAP_GL_FUNCTION(glDeleteBuffers, glDeleteBuffersARB);
     MAP_GL_FUNCTION(glDrawBuffers, glDrawBuffersARB);
+    MAP_GL_FUNCTION(glDrawElementsInstanced, glDrawElementsInstancedARB);
     MAP_GL_FUNCTION(glGenBuffers, glGenBuffersARB);
     MAP_GL_FUNCTION(glGetBufferSubData, glGetBufferSubDataARB);
     MAP_GL_FUNCTION(glGetCompressedTexImage, glGetCompressedTexImageARB);

dlls/wined3d/drawprim.c

@@ -60,9 +60,9 @@ static void drawStridedFast(const struct wined3d_gl_info *gl_info, GLenum primit
                 }
                 else
                 {
-                    GL_EXTCALL(glDrawElementsInstancedARB(primitive_type, count, idxtype,
+                    GL_EXTCALL(glDrawElementsInstanced(primitive_type, count, idxtype,
                             (const char *)idx_data + (idx_size * start_idx), instance_count));
-                    checkGLcall("glDrawElementsInstancedARB");
+                    checkGLcall("glDrawElementsInstanced");
                 }
             }
         }