1 files changed, 92 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_clear.c b/src/gallium/drivers/cell/ppu/cell_clear.c
new file mode 100644
index 0000000000..79ad687ea9
--- /dev/null
+++ b/src/gallium/drivers/cell/ppu/cell_clear.c
@@ -0,0 +1,92 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+/**
+ * Authors
+ *  Brian Paul
+ */
+
+#include <stdio.h>
+#include <assert.h>
+#include <stdint.h>
+#include "pipe/p_inlines.h"
+#include "util/u_memory.h"
+#include "util/u_pack_color.h"
+#include "cell/common.h"
+#include "cell_clear.h"
+#include "cell_context.h"
+#include "cell_batch.h"
+#include "cell_flush.h"
+#include "cell_spu.h"
+#include "cell_state.h"
+
+
+/**
+ * Called via pipe->clear()
+ */
+void
+cell_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba,
+           double depth, unsigned stencil)
+{
+   struct cell_context *cell = cell_context(pipe);
+
+   if (cell->dirty)
+      cell_update_derived(cell);
+
+   if (buffers & PIPE_CLEAR_COLOR) {
+      uint surfIndex = 0;
+      uint clearValue;
+
+      util_pack_color(rgba, cell->framebuffer.cbufs[0]->format, &clearValue);
+
+      /* Build a CLEAR command and place it in the current batch buffer */
+      STATIC_ASSERT(sizeof(struct cell_command_clear_surface) % 16 == 0);
+      struct cell_command_clear_surface *clr
+         = (struct cell_command_clear_surface *)
+         cell_batch_alloc16(cell, sizeof(*clr));
+      clr->opcode[0] = CELL_CMD_CLEAR_SURFACE;
+      clr->surface = surfIndex;
+      clr->value = clearValue;
+   }
+
+   if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
+      uint surfIndex = 1;
+      uint clearValue;
+
+      clearValue = util_pack_z_stencil(cell->framebuffer.zsbuf->format,
+                                       depth, stencil);
+
+      /* Build a CLEAR command and place it in the current batch buffer */
+      STATIC_ASSERT(sizeof(struct cell_command_clear_surface) % 16 == 0);
+      struct cell_command_clear_surface *clr
+         = (struct cell_command_clear_surface *)
+         cell_batch_alloc16(cell, sizeof(*clr));
+      clr->opcode[0] = CELL_CMD_CLEAR_SURFACE;
+      clr->surface = surfIndex;
+      clr->value = clearValue;
+   }
+}