Cell: first state object (depth/stencil/alpha) emitted to SPUs

src/mesa/pipe/cell/common.h

@@ -59,6 +59,7 @@
 #define CELL_CMD_FINISH        4
 #define CELL_CMD_RENDER        5
 #define CELL_CMD_BATCH         6
+#define CELL_CMD_STATE_DEPTH_STENCIL 7
 
 
 #define CELL_NUM_BATCH_BUFFERS 2

src/mesa/pipe/cell/ppu/Makefile

@@ -23,6 +23,7 @@ SOURCES = \
 	cell_state_blend.c \
 	cell_state_clip.c \
 	cell_state_derived.c \
+	cell_state_emit.c \
 	cell_state_fs.c \
 	cell_state_rasterizer.c \
 	cell_state_sampler.c \

src/mesa/pipe/cell/ppu/cell_batch.c

@@ -68,6 +68,7 @@ cell_batch_append(struct cell_context *cell, const void *cmd, uint length)
 {
    uint size;
 
+   assert(length % 4 == 0);
    assert(cell->cur_batch >= 0);
 
    size = cell->batch_buffer_size[cell->cur_batch];

src/mesa/pipe/cell/ppu/cell_state_blend.c

@@ -33,6 +33,7 @@
 #include "cell_state.h"
 
 
+
 void *
 cell_create_blend_state(struct pipe_context *pipe,
                         const struct pipe_blend_state *blend)

src/mesa/pipe/cell/ppu/cell_state_derived.c

@@ -219,5 +219,7 @@ void cell_update_derived( struct cell_context *cell )
       compute_cliprect(cell);
 #endif
 
+   cell_emit_state(cell);
+
    cell->dirty = 0;
 }

src/mesa/pipe/cell/ppu/cell_state_emit.c

@@ -0,0 +1,45 @@
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+#include "pipe/p_util.h"
+#include "cell_context.h"
+#include "cell_state.h"
+#include "cell_state_emit.h"
+#include "cell_batch.h"
+
+
+
+void
+cell_emit_state(struct cell_context *cell)
+{
+   if (cell->dirty & CELL_NEW_DEPTH_STENCIL) {
+      uint cmd = CELL_CMD_STATE_DEPTH_STENCIL;
+      cell_batch_append(cell, &cmd, 4);
+      cell_batch_append(cell, cell->depth_stencil,
+                        sizeof(struct pipe_depth_stencil_alpha_state));
+   }
+}

src/mesa/pipe/cell/ppu/cell_state_emit.h

@@ -0,0 +1,36 @@
+/**************************************************************************
+ * 
+ * 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.
+ * 
+ **************************************************************************/
+
+#ifndef CELL_STATE_EMIT_H
+#define CELL_STATE_EMIT_H
+
+
+extern void
+cell_emit_state(struct cell_context *cell);
+
+
+#endif /* CELL_STATE_EMIT_H */

src/mesa/pipe/cell/spu/spu_main.c

@@ -38,6 +38,8 @@
 #include "spu_tile.h"
 #include "pipe/cell/common.h"
 #include "pipe/p_defines.h"
+#include "pipe/p_state.h"
+
 
 /*
 helpful headers:
@@ -45,7 +47,7 @@ helpful headers:
 /opt/ibm/cell-sdk/prototype/sysroot/usr/include/libmisc.h
 */
 
-static boolean Debug = FALSE;
+static boolean Debug = TRUE;
 
 volatile struct cell_init_info init;
 
@@ -356,6 +358,17 @@ cmd_framebuffer(const struct cell_command_framebuffer *cmd)
 }
 
 
+static void
+cmd_state_depth_stencil(const struct pipe_depth_stencil_alpha_state *state)
+{
+   if (Debug)
+      printf("SPU %u: DEPTH_STENCIL: ztest %d\n",
+             init.id,
+             state->depth.enabled);
+   /* XXX copy/save the state */
+}
+
+
 static void
 cmd_finish(void)
 {
@@ -431,6 +444,11 @@ cmd_batch(uint opcode)
          cmd_finish();
          pos += 1;
          break;
+      case CELL_CMD_STATE_DEPTH_STENCIL:
+         cmd_state_depth_stencil((struct pipe_depth_stencil_alpha_state *)
+                                 &buffer[pos+1]);
+         pos += (1 + sizeof(struct pipe_depth_stencil_alpha_state) / 4);
+         break;
       default:
          printf("SPU %u: bad opcode: 0x%x\n", init.id, buffer[pos]);
          ASSERT(0);