1 files changed, 183 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_context.c b/src/gallium/drivers/cell/ppu/cell_context.c
new file mode 100644
index 0000000000..22d552d8e3
--- /dev/null
+++ b/src/gallium/drivers/cell/ppu/cell_context.c
@@ -0,0 +1,183 @@
+/**************************************************************************
+ * 
+ * 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 "pipe/p_defines.h"
+#include "pipe/p_format.h"
+#include "util/u_memory.h"
+#include "pipe/p_winsys.h"
+#include "pipe/p_screen.h"
+
+#include "draw/draw_context.h"
+#include "draw/draw_private.h"
+
+#include "cell/common.h"
+#include "cell_batch.h"
+#include "cell_clear.h"
+#include "cell_context.h"
+#include "cell_draw_arrays.h"
+#include "cell_fence.h"
+#include "cell_flush.h"
+#include "cell_state.h"
+#include "cell_surface.h"
+#include "cell_spu.h"
+#include "cell_pipe_state.h"
+#include "cell_texture.h"
+#include "cell_vbuf.h"
+
+
+
+static void
+cell_destroy_context( struct pipe_context *pipe )
+{
+   struct cell_context *cell = cell_context(pipe);
+
+   util_delete_keymap(cell->fragment_ops_cache, NULL);
+
+   cell_spu_exit(cell);
+
+   align_free(cell);
+}
+
+
+static struct draw_context *
+cell_draw_create(struct cell_context *cell)
+{
+   struct draw_context *draw = draw_create();
+
+#if 0 /* broken */
+   if (getenv("GALLIUM_CELL_VS")) {
+      /* plug in SPU-based vertex transformation code */
+      draw->shader_queue_flush = cell_vertex_shader_queue_flush;
+      draw->driver_private = cell;
+   }
+#endif
+
+   return draw;
+}
+
+
+static const struct debug_named_value cell_debug_flags[] = {
+   {"checker", CELL_DEBUG_CHECKER},/**< modulate tile clear color by SPU ID */
+   {"asm", CELL_DEBUG_ASM},        /**< dump SPU asm code */
+   {"sync", CELL_DEBUG_SYNC},      /**< SPUs do synchronous DMA */
+   {"fragops", CELL_DEBUG_FRAGMENT_OPS}, /**< SPUs emit fragment ops debug messages*/
+   {"fragopfallback", CELL_DEBUG_FRAGMENT_OP_FALLBACK}, /**< SPUs use reference implementation for fragment ops*/
+   {"cmd", CELL_DEBUG_CMD},       /**< SPUs dump command buffer info */
+   {"cache", CELL_DEBUG_CACHE},   /**< report texture cache stats on exit */
+   {NULL, 0}
+};
+
+
+struct pipe_context *
+cell_create_context(struct pipe_screen *screen,
+                    struct cell_winsys *cws)
+{
+   struct cell_context *cell;
+   uint i;
+
+   /* some fields need to be 16-byte aligned, so align the whole object */
+   cell = (struct cell_context*) align_malloc(sizeof(struct cell_context), 16);
+   if (!cell)
+      return NULL;
+
+   memset(cell, 0, sizeof(*cell));
+
+   cell->winsys = cws;
+   cell->pipe.winsys = screen->winsys;
+   cell->pipe.screen = screen;
+   cell->pipe.destroy = cell_destroy_context;
+
+   cell->pipe.clear = cell_clear_surface;
+   cell->pipe.flush = cell_flush;
+
+#if 0
+   cell->pipe.begin_query = cell_begin_query;
+   cell->pipe.end_query = cell_end_query;
+   cell->pipe.wait_query = cell_wait_query;
+#endif
+
+   cell_init_draw_functions(cell);
+   cell_init_state_functions(cell);
+   cell_init_shader_functions(cell);
+   cell_init_surface_functions(cell);
+   cell_init_vertex_functions(cell);
+
+   cell->draw = cell_draw_create(cell);
+
+   /* Create cache of fragment ops generated code */
+   cell->fragment_ops_cache =
+      util_new_keymap(sizeof(struct cell_fragment_ops_key), ~0, NULL);
+
+   cell_init_vbuf(cell);
+
+   draw_set_rasterize_stage(cell->draw, cell->vbuf);
+
+   /* convert all points/lines to tris for the time being */
+   draw_wide_point_threshold(cell->draw, 0.0);
+   draw_wide_line_threshold(cell->draw, 0.0);
+
+   /* get env vars or read config file to get debug flags */
+   cell->debug_flags = debug_get_flags_option("CELL_DEBUG", 
+                                              cell_debug_flags, 
+                                              0 );
+
+   for (i = 0; i < CELL_NUM_BUFFERS; i++)
+      cell_fence_init(&cell->fenced_buffers[i].fence);
+
+
+   /*
+    * SPU stuff
+    */
+   /* This call only works with SDK 3.0.  Anyone still using 2.1??? */
+   cell->num_cells = spe_cpu_info_get(SPE_COUNT_PHYSICAL_CPU_NODES, -1);
+   cell->num_spus = spe_cpu_info_get(SPE_COUNT_USABLE_SPES, 0);
+   if (cell->debug_flags) {
+      printf("Cell: found %d Cell(s) with %u SPUs\n",
+             cell->num_cells, cell->num_spus);
+   }
+   if (getenv("CELL_NUM_SPUS")) {
+      cell->num_spus = atoi(getenv("CELL_NUM_SPUS"));
+      assert(cell->num_spus > 0);
+   }
+
+   cell_start_spus(cell);
+
+   cell_init_batch_buffers(cell);
+
+   /* make sure SPU initializations are done before proceeding */
+   cell_flush_int(cell, CELL_FLUSH_WAIT);
+
+   return &cell->pipe;
+}