diff options
Diffstat (limited to 'src/mesa/pipe/i915simple/i915_prim_vbuf.c')
| -rw-r--r-- | src/mesa/pipe/i915simple/i915_prim_vbuf.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/mesa/pipe/i915simple/i915_prim_vbuf.c b/src/mesa/pipe/i915simple/i915_prim_vbuf.c index 8b5a08a3bb..dc6e091681 100644 --- a/src/mesa/pipe/i915simple/i915_prim_vbuf.c +++ b/src/mesa/pipe/i915simple/i915_prim_vbuf.c @@ -81,6 +81,8 @@ struct vbuf_stage { ushort *element_map; unsigned nr_elements; + struct pipe_buffer_handle *buf; + unsigned prim; struct i915_context *i915; @@ -278,7 +280,6 @@ static void vbuf_draw( struct draw_stage *stage ) unsigned hwprim; unsigned i; char *ptr; - struct pipe_buffer_handle *buf; switch(vbuf->prim) { case PIPE_PRIM_POINTS: @@ -298,9 +299,11 @@ static void vbuf_draw( struct draw_stage *stage ) assert(vbuf->vertex_ptr - vbuf->vertex_map == vbuf->nr_vertices * vertex_size / 4); /* FIXME: handle failure */ - buf = winsys->buffer_create(winsys, 64); - winsys->buffer_data(winsys, buf, 8 + nr * vertex_size, NULL); - ptr = winsys->buffer_map(winsys, buf, PIPE_BUFFER_FLAG_WRITE); + if(!vbuf->buf) + vbuf->buf = winsys->buffer_create(winsys, 64); + + winsys->buffer_data(winsys, vbuf->buf, 8 + nr * vertex_size, NULL); + ptr = winsys->buffer_map(winsys, vbuf->buf, PIPE_BUFFER_FLAG_WRITE); *(unsigned *)ptr = _3DPRIMITIVE | hwprim | ((4 + vertex_size * nr)/4 - 2); @@ -313,7 +316,7 @@ static void vbuf_draw( struct draw_stage *stage ) } *(unsigned *)ptr = MI_BATCH_BUFFER_END; ptr += 4; - winsys->buffer_unmap(winsys, buf); + winsys->buffer_unmap(winsys, vbuf->buf); if (i915->dirty) i915_update_derived( i915 ); @@ -345,12 +348,10 @@ static void vbuf_draw( struct draw_stage *stage ) /* chain the vertex buffer in the batch buffer */ OUT_BATCH(MI_BATCH_BUFFER_START | (2 << 6) /* GTT-mapped memory */); - OUT_RELOC( buf, I915_BUFFER_ACCESS_READ, 0 ); + OUT_RELOC( vbuf->buf, I915_BUFFER_ACCESS_READ, 0 ); /* FIXME: we need to flush here since control after chained buffers returns * directly to the ring buffer */ FLUSH_BATCH(); - - winsys->buffer_reference(winsys, &buf, NULL); } |