1 files changed, 229 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_main.h b/src/gallium/drivers/cell/spu/spu_main.h
new file mode 100644
index 0000000000..2c7b625840
--- /dev/null
+++ b/src/gallium/drivers/cell/spu/spu_main.h
@@ -0,0 +1,229 @@
+/**************************************************************************
+ * 
+ * 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 SPU_MAIN_H
+#define SPU_MAIN_H
+
+
+#include <spu_mfcio.h>
+
+#include "cell/common.h"
+#include "draw/draw_vertex.h"
+#include "pipe/p_state.h"
+
+
+
+#define MAX_WIDTH 1024
+#define MAX_HEIGHT 1024
+
+
+/**
+ * A tile is basically a TILE_SIZE x TILE_SIZE block of 4-byte pixels.
+ * The data may be addressed through several different types.
+ */
+typedef union {
+   ushort us[TILE_SIZE][TILE_SIZE];
+   uint   ui[TILE_SIZE][TILE_SIZE];
+   vector unsigned short us8[TILE_SIZE/2][TILE_SIZE/4];
+   vector unsigned int ui4[TILE_SIZE/2][TILE_SIZE/2];
+} tile_t;
+
+
+#define TILE_STATUS_CLEAR   1
+#define TILE_STATUS_DEFINED 2  /**< defined in FB, but not in local store */
+#define TILE_STATUS_CLEAN   3  /**< in local store, but not changed */
+#define TILE_STATUS_DIRTY   4  /**< modified locally, but not put back yet */
+#define TILE_STATUS_GETTING 5  /**< mfc_get() called but not yet arrived */
+
+
+/** Function for sampling textures */
+typedef vector float (*spu_sample_texture_func)(uint unit,
+                                                vector float texcoord);
+
+/** Function for performing per-fragment ops */
+typedef void (*spu_fragment_ops_func)(uint x, uint y,
+                                      tile_t *colorTile,
+                                      tile_t *depthStencilTile,
+                                      vector float fragZ,
+                                      vector float fragRed,
+                                      vector float fragGreen,
+                                      vector float fragBlue,
+                                      vector float fragAlpha,
+                                      vector unsigned int mask);
+
+/** Function for running fragment program */
+typedef void (*spu_fragment_program_func)(vector float *inputs,
+                                          vector float *outputs,
+                                          vector float *constants);
+
+
+struct spu_framebuffer
+{
+   void *color_start;              /**< addr of color surface in main memory */
+   void *depth_start;              /**< addr of depth surface in main memory */
+   enum pipe_format color_format;
+   enum pipe_format depth_format;
+   uint width, height;             /**< size in pixels */
+   uint width_tiles, height_tiles; /**< width and height in tiles */
+
+   uint color_clear_value;
+   uint depth_clear_value;
+
+   uint zsize;                     /**< 0, 2 or 4 bytes per Z */
+   float zscale;                   /**< 65535.0, 2^24-1 or 2^32-1 */
+} ALIGN16_ATTRIB;
+
+
+struct spu_texture
+{
+   void *start;
+   ushort width, height;
+   ushort tiles_per_row;
+   vector float tex_size;
+   vector unsigned int tex_size_mask; /**< == int(size - 1) */
+   vector unsigned int tex_size_x_mask; /**< == int(size - 1) */
+   vector unsigned int tex_size_y_mask; /**< == int(size - 1) */
+} ALIGN16_ATTRIB;
+
+
+/**
+ * All SPU global/context state will be in a singleton object of this type:
+ */
+struct spu_global
+{
+   /** One-time init/constant info */
+   struct cell_init_info init;
+
+   /*
+    * Current state
+    */
+   struct spu_framebuffer fb;
+   struct pipe_depth_stencil_alpha_state depth_stencil_alpha;
+   struct pipe_blend_state blend;
+   struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS];
+   struct spu_texture texture[PIPE_MAX_SAMPLERS];
+   struct vertex_info vertex_info;
+
+   /** Current color and Z tiles */
+   tile_t ctile ALIGN16_ATTRIB;
+   tile_t ztile ALIGN16_ATTRIB;
+
+   /** Read depth/stencil tiles? */
+   boolean read_depth;
+   boolean read_stencil;
+
+   /** Current tiles' status */
+   ubyte cur_ctile_status, cur_ztile_status;
+
+   /** Status of all tiles in framebuffer */
+   ubyte ctile_status[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
+   ubyte ztile_status[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
+
+   /** Current fragment ops machine code */
+   uint fragment_ops_code[SPU_MAX_FRAGMENT_OPS_INSTS];
+   /** Current fragment ops function */
+   spu_fragment_ops_func fragment_ops;
+
+   /** Current fragment program machine code */
+   uint fragment_program_code[SPU_MAX_FRAGMENT_PROGRAM_INSTS];
+   /** Current fragment ops function */
+   spu_fragment_program_func fragment_program;
+
+   /** Current texture sampler function */
+   spu_sample_texture_func sample_texture[CELL_MAX_SAMPLERS];
+
+   /** Fragment program constants (XXX preliminary/used) */
+#define MAX_CONSTANTS 32
+   vector float constants[MAX_CONSTANTS];
+
+} ALIGN16_ATTRIB;
+
+
+extern struct spu_global spu;
+extern boolean Debug;
+
+
+
+
+/* DMA TAGS */
+
+#define TAG_SURFACE_CLEAR     10
+#define TAG_VERTEX_BUFFER     11
+#define TAG_READ_TILE_COLOR   12
+#define TAG_READ_TILE_Z       13
+#define TAG_WRITE_TILE_COLOR  14
+#define TAG_WRITE_TILE_Z      15
+#define TAG_INDEX_BUFFER      16
+#define TAG_BATCH_BUFFER      17
+#define TAG_MISC              18
+#define TAG_DCACHE0           20
+#define TAG_DCACHE1           21
+#define TAG_DCACHE2           22
+#define TAG_DCACHE3           23
+
+
+
+static INLINE void
+wait_on_mask(unsigned tagMask)
+{
+   mfc_write_tag_mask( tagMask );
+   /* wait for completion of _any_ DMAs specified by tagMask */
+   mfc_read_tag_status_any();
+}
+
+
+static INLINE void
+wait_on_mask_all(unsigned tagMask)
+{
+   mfc_write_tag_mask( tagMask );
+   /* wait for completion of _any_ DMAs specified by tagMask */
+   mfc_read_tag_status_all();
+}
+
+
+
+
+
+static INLINE void
+memset16(ushort *d, ushort value, uint count)
+{
+   uint i;
+   for (i = 0; i < count; i++)
+      d[i] = value;
+}
+
+
+static INLINE void
+memset32(uint *d, uint value, uint count)
+{
+   uint i;
+   for (i = 0; i < count; i++)
+      d[i] = value;
+}
+
+
+#endif /* SPU_MAIN_H */