Cell: Initial pass at unified data cache

2 files changed, 19 insertions, 1 deletions

diff --git a/src/gallium/drivers/cell/ppu/cell_draw_arrays.c b/src/gallium/drivers/cell/ppu/cell_draw_arrays.c
index f12613649b9..cbd387f0142 100644
--- a/src/gallium/drivers/cell/ppu/cell_draw_arrays.c
+++ b/src/gallium/drivers/cell/ppu/cell_draw_arrays.c
@@ -49,9 +49,12 @@ cell_map_constant_buffers(struct cell_context *sp)
    struct pipe_winsys *ws = sp->pipe.winsys;
    uint i;
    for (i = 0; i < 2; i++) {
-      if (sp->constants[i].size)
+      if (sp->constants[i].size) {
          sp->mapped_constants[i] = ws->buffer_map(ws, sp->constants[i].buffer,
                                                   PIPE_BUFFER_USAGE_CPU_READ);
+         cell_flush_buffer_range(sp, sp->mapped_constants[i], 
+                                 sp->constants[i].buffer->size);
+      }
    }
 
    draw_set_mapped_constant_buffer(sp->draw,
@@ -124,6 +127,7 @@ cell_draw_elements(struct pipe_context *pipe,
          void *buf = pipe->winsys->buffer_map(pipe->winsys,
                                               sp->vertex_buffer[i].buffer,
                                               PIPE_BUFFER_USAGE_CPU_READ);
+	 cell_flush_buffer_range(sp, buf, sp->vertex_buffer[i].buffer->size);
          draw_set_mapped_vertex_buffer(draw, i, buf);
       }
    }
diff --git a/src/gallium/drivers/cell/ppu/cell_flush.c b/src/gallium/drivers/cell/ppu/cell_flush.c
index 20f27531fce..66a5627d844 100644
--- a/src/gallium/drivers/cell/ppu/cell_flush.c
+++ b/src/gallium/drivers/cell/ppu/cell_flush.c
@@ -82,3 +82,17 @@ cell_flush_int(struct pipe_context *pipe, unsigned flags)
 
    flushing = FALSE;
 }
+
+
+void
+cell_flush_buffer_range(struct cell_context *cell, void *ptr,
+			unsigned size)
+{
+   uint64_t batch[1 + (ROUNDUP8(sizeof(struct cell_buffer_range)) / 8)];
+   struct cell_buffer_range *br = (struct cell_buffer_range *) & batch[1];
+
+   batch[0] = CELL_CMD_FLUSH_BUFFER_RANGE;
+   br->base = (uintptr_t) ptr;
+   br->size = size;
+   cell_batch_append(cell, batch, sizeof(batch));
+}