diff options
| -rw-r--r-- | src/mesa/vbo/vbo_exec_api.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/mesa/vbo/vbo_exec_api.c b/src/mesa/vbo/vbo_exec_api.c index d97c4988b29..71c8f340702 100644 --- a/src/mesa/vbo/vbo_exec_api.c +++ b/src/mesa/vbo/vbo_exec_api.c @@ -493,8 +493,10 @@ do { \ ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT; \ } else { \ /* This is a glVertex call */ \ + int size = exec->vtx.attr[0].size; \ + \ /* Check if attribute size or type is changing. */ \ - if (unlikely(exec->vtx.attr[0].size < N * sz || \ + if (unlikely(size < N * sz || \ exec->vtx.attr[0].type != T)) { \ vbo_exec_wrap_upgrade_vertex(exec, 0, N * sz, T); \ } \ @@ -514,6 +516,12 @@ do { \ if (N > 1) *dst++ = V1; \ if (N > 2) *dst++ = V2; \ if (N > 3) *dst++ = V3; \ + \ + if (unlikely(N < size)) { \ + if (N < 2 && size >= 2) *dst++ = V1; \ + if (N < 3 && size >= 3) *dst++ = V2; \ + if (N < 4 && size >= 4) *dst++ = V3; \ + } \ } else { \ /* 64 bits: dst can be unaligned, so copy each 4-byte word */ \ /* separately */ \ @@ -521,6 +529,12 @@ do { \ if (N > 1) SET_64BIT(dst, V1); \ if (N > 2) SET_64BIT(dst, V2); \ if (N > 3) SET_64BIT(dst, V3); \ + \ + if (unlikely(N * 2 < size)) { \ + if (N < 2 && size >= 4) SET_64BIT(dst, V1); \ + if (N < 3 && size >= 6) SET_64BIT(dst, V2); \ + if (N < 4 && size >= 8) SET_64BIT(dst, V3); \ + } \ } \ \ /* dst now points at the beginning of the next vertex */ \ |