We will need the flush_vertices argument later in this series.
Signed-off-by: Mathias Fröhlich <Mathias.Froehlich@web.de>
Reviewed-by: Brian Paul <brianp@vmware.com>
          _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_GENERIC(0),
                                   *buf_obj, 0, sizeof(struct vertex));
          _mesa_enable_vertex_array_attrib(ctx, array_obj,
-                                          VERT_ATTRIB_GENERIC(0));
+                                          VERT_ATTRIB_GENERIC(0), true);
          if (texcoord_size > 0) {
             _mesa_update_array_format(ctx, array_obj, VERT_ATTRIB_GENERIC(1),
                                       texcoord_size, GL_FLOAT, GL_RGBA,
             _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_GENERIC(1),
                                      *buf_obj, 0, sizeof(struct vertex));
             _mesa_enable_vertex_array_attrib(ctx, array_obj,
-                                             VERT_ATTRIB_GENERIC(1));
+                                             VERT_ATTRIB_GENERIC(1), true);
          }
       } else {
          _mesa_update_array_format(ctx, array_obj, VERT_ATTRIB_POS,
                                    offsetof(struct vertex, x));
          _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_POS,
                                   *buf_obj, 0, sizeof(struct vertex));
-         _mesa_enable_vertex_array_attrib(ctx, array_obj, VERT_ATTRIB_POS);
+         _mesa_enable_vertex_array_attrib(ctx, array_obj,
+                                          VERT_ATTRIB_POS, true);
 
          if (texcoord_size > 0) {
             _mesa_update_array_format(ctx, array_obj, VERT_ATTRIB_TEX(0),
                                       offsetof(struct vertex, tex));
             _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_TEX(0),
                                      *buf_obj, 0, sizeof(struct vertex));
-            _mesa_enable_vertex_array_attrib(ctx, array_obj, VERT_ATTRIB_TEX(0));
+            _mesa_enable_vertex_array_attrib(ctx, array_obj,
+                                             VERT_ATTRIB_TEX(0), true);
          }
 
          if (color_size > 0) {
                                       offsetof(struct vertex, r));
             _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_COLOR0,
                                      *buf_obj, 0, sizeof(struct vertex));
-            _mesa_enable_vertex_array_attrib(ctx, array_obj, VERT_ATTRIB_COLOR0);
+            _mesa_enable_vertex_array_attrib(ctx, array_obj,
+                                             VERT_ATTRIB_COLOR0, true);
          }
       }
    } else {
                                 offsetof(struct vertex, x));
       _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_POS,
                                drawtex->buf_obj, 0, sizeof(struct vertex));
-      _mesa_enable_vertex_array_attrib(ctx, array_obj, VERT_ATTRIB_POS);
+      _mesa_enable_vertex_array_attrib(ctx, array_obj, VERT_ATTRIB_POS, true);
 
 
       for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
                                    offsetof(struct vertex, st[i]));
          _mesa_bind_vertex_buffer(ctx, array_obj, VERT_ATTRIB_TEX(i),
                                   drawtex->buf_obj, 0, sizeof(struct vertex));
-         _mesa_enable_vertex_array_attrib(ctx, array_obj, VERT_ATTRIB_TEX(i));
+         _mesa_enable_vertex_array_attrib(ctx, array_obj,
+                                          VERT_ATTRIB_TEX(i), true);
       }
    }
    else {
 
 vao_state(struct gl_context *ctx, gl_vert_attrib attr, GLboolean state)
 {
    if (state)
-      _mesa_enable_vertex_array_attrib(ctx, ctx->Array.VAO, attr);
+      _mesa_enable_vertex_array_attrib(ctx, ctx->Array.VAO, attr, true);
    else
-      _mesa_disable_vertex_array_attrib(ctx, ctx->Array.VAO, attr);
+      _mesa_disable_vertex_array_attrib(ctx, ctx->Array.VAO, attr, true);
 }
 
 
 
 void
 _mesa_enable_vertex_array_attrib(struct gl_context *ctx,
                                  struct gl_vertex_array_object *vao,
-                                 gl_vert_attrib attrib)
+                                 gl_vert_attrib attrib, bool flush_vertices)
 {
    assert(attrib < ARRAY_SIZE(vao->VertexAttrib));
 
    if (!vao->VertexAttrib[attrib].Enabled) {
       /* was disabled, now being enabled */
-      FLUSH_VERTICES(ctx, _NEW_ARRAY);
+      if (flush_vertices) {
+         FLUSH_VERTICES(ctx, _NEW_ARRAY);
+      }
+
       vao->VertexAttrib[attrib].Enabled = GL_TRUE;
       const GLbitfield array_bit = VERT_BIT(attrib);
       vao->_Enabled |= array_bit;
       return;
    }
 
-   _mesa_enable_vertex_array_attrib(ctx, vao, VERT_ATTRIB_GENERIC(index));
+   _mesa_enable_vertex_array_attrib(ctx, vao,
+                                    VERT_ATTRIB_GENERIC(index), true);
 }
 
 
 {
    GET_CURRENT_CONTEXT(ctx);
    _mesa_enable_vertex_array_attrib(ctx, ctx->Array.VAO,
-                                    VERT_ATTRIB_GENERIC(index));
+                                    VERT_ATTRIB_GENERIC(index), true);
 }
 
 
 {
    GET_CURRENT_CONTEXT(ctx);
    struct gl_vertex_array_object *vao = _mesa_lookup_vao(ctx, vaobj);
-   _mesa_enable_vertex_array_attrib(ctx, vao, VERT_ATTRIB_GENERIC(index));
+   _mesa_enable_vertex_array_attrib(ctx, vao,
+                                    VERT_ATTRIB_GENERIC(index), true);
 }
 
 
 void
 _mesa_disable_vertex_array_attrib(struct gl_context *ctx,
                                   struct gl_vertex_array_object *vao,
-                                  gl_vert_attrib attrib)
+                                  gl_vert_attrib attrib, bool flush_vertices)
 {
    assert(attrib < ARRAY_SIZE(vao->VertexAttrib));
 
    if (vao->VertexAttrib[attrib].Enabled) {
       /* was enabled, now being disabled */
-      FLUSH_VERTICES(ctx, _NEW_ARRAY);
+      if (flush_vertices) {
+         FLUSH_VERTICES(ctx, _NEW_ARRAY);
+      }
+
       vao->VertexAttrib[attrib].Enabled = GL_FALSE;
       const GLbitfield array_bit = VERT_BIT(attrib);
       vao->_Enabled &= ~array_bit;
    }
 
    const gl_vert_attrib attrib = VERT_ATTRIB_GENERIC(index);
-   _mesa_disable_vertex_array_attrib(ctx, ctx->Array.VAO, attrib);
+   _mesa_disable_vertex_array_attrib(ctx, ctx->Array.VAO, attrib, true);
 }
 
 
 {
    GET_CURRENT_CONTEXT(ctx);
    const gl_vert_attrib attrib = VERT_ATTRIB_GENERIC(index);
-   _mesa_disable_vertex_array_attrib(ctx, ctx->Array.VAO, attrib);
+   _mesa_disable_vertex_array_attrib(ctx, ctx->Array.VAO, attrib, true);
 }
 
 
    }
 
    const gl_vert_attrib attrib = VERT_ATTRIB_GENERIC(index);
-   _mesa_disable_vertex_array_attrib(ctx, vao, attrib);
+   _mesa_disable_vertex_array_attrib(ctx, vao, attrib, true);
 }
 
 
    GET_CURRENT_CONTEXT(ctx);
    struct gl_vertex_array_object *vao = _mesa_lookup_vao(ctx, vaobj);
    const gl_vert_attrib attrib = VERT_ATTRIB_GENERIC(index);
-   _mesa_disable_vertex_array_attrib(ctx, vao, attrib);
+   _mesa_disable_vertex_array_attrib(ctx, vao, attrib, true);
 }
 
 
 
 extern void
 _mesa_enable_vertex_array_attrib(struct gl_context *ctx,
                                  struct gl_vertex_array_object *vao,
-                                 gl_vert_attrib attrib);
+                                 gl_vert_attrib attrib, bool flush_vertices);
 
 
 extern void
 _mesa_disable_vertex_array_attrib(struct gl_context *ctx,
                                   struct gl_vertex_array_object *vao,
-                                  gl_vert_attrib attrib);
+                                  gl_vert_attrib attrib, bool flush_vertices);
 
 
 extern void