common.h

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/**************************************************************************
 * 
 * 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_COMMON_H
#define CELL_COMMON_H

#include "pipe/p_compiler.h"
#include "pipe/p_format.h"
#include "pipe/p_state.h"


#define ASSERT(x) \
   if (!(x)) { \
      ubyte *p = NULL; \
      fprintf(stderr, "%s:%d: %s(): assertion %s failed.\n", \
              __FILE__, __LINE__, __FUNCTION__, #x);             \
      *p = 0; \
      exit(1); \
   }


#define ASSERT_ALIGN16(ptr) \
  ASSERT((((unsigned long) (ptr)) & 0xf) == 0);


#define ROUNDUP4(k)  (((k) + 0x3) & ~0x3)

#define ROUNDUP8(k)  (((k) + 0x7) & ~0x7)

#define ROUNDUP16(k)  (((k) + 0xf) & ~0xf)


#define CELL_MAX_SPUS 6

#define CELL_MAX_SAMPLERS 4

#define TILE_SIZE 32


#define CELL_CMD_OPCODE_MASK 0xff

#define CELL_CMD_EXIT                 1
#define CELL_CMD_CLEAR_SURFACE        2
#define CELL_CMD_FINISH               3
#define CELL_CMD_RENDER               4
#define CELL_CMD_BATCH                5
#define CELL_CMD_RELEASE_VERTS        6
#define CELL_CMD_STATE_FRAMEBUFFER   10
#define CELL_CMD_STATE_FRAGMENT_OPS  11
#define CELL_CMD_STATE_SAMPLER       12
#define CELL_CMD_STATE_TEXTURE       13
#define CELL_CMD_STATE_VERTEX_INFO   14
#define CELL_CMD_STATE_VIEWPORT      15
#define CELL_CMD_STATE_UNIFORMS      16
#define CELL_CMD_STATE_VS_ARRAY_INFO 17
#define CELL_CMD_STATE_BIND_VS       18
#define CELL_CMD_STATE_FRAGMENT_PROGRAM 19
#define CELL_CMD_STATE_ATTRIB_FETCH  20
#define CELL_CMD_VS_EXECUTE          22
#define CELL_CMD_FLUSH_BUFFER_RANGE  23


#define CELL_NUM_BUFFERS 4
#define CELL_BUFFER_SIZE (4*1024)  
#define CELL_BUFFER_STATUS_FREE 10
#define CELL_BUFFER_STATUS_USED 20


#define CELL_DEBUG_CHECKER  (1 << 0)
#define CELL_DEBUG_SYNC     (1 << 1)



#define SPU_MAX_FRAGMENT_OPS_INSTS 64


struct cell_command_fragment_ops
{
   uint64_t opcode;      
   struct pipe_depth_stencil_alpha_state dsa;
   struct pipe_blend_state blend;
   unsigned code[SPU_MAX_FRAGMENT_OPS_INSTS];
};


#define SPU_MAX_FRAGMENT_PROGRAM_INSTS 128

struct cell_command_fragment_program
{
   uint64_t opcode;      
   uint num_inst;        
   unsigned code[SPU_MAX_FRAGMENT_PROGRAM_INSTS];
};


struct cell_command_framebuffer
{
   uint64_t opcode;     
   int width, height;
   void *color_start, *depth_start;
   enum pipe_format color_format, depth_format;
};


struct cell_command_clear_surface
{
   uint64_t opcode;     
   uint surface; 
   uint value;
};


struct cell_array_info
{
   uint64_t base;      
   uint attr;          
   uint pitch;         
   uint size;
   uint function_offset;
};


struct cell_attribute_fetch_code
{
   uint64_t base;
   uint size;
};


struct cell_buffer_range
{
   uint64_t base;
   unsigned size;
};


struct cell_shader_info
{
   uint64_t declarations;
   uint64_t instructions;
   uint64_t  immediates;

   unsigned num_outputs;
   unsigned num_declarations;
   unsigned num_instructions;
   unsigned num_immediates;
};


#define SPU_VERTS_PER_BATCH 64
struct cell_command_vs
{
   uint64_t opcode;       
   uint64_t vOut[SPU_VERTS_PER_BATCH];
   unsigned num_elts;
   unsigned elts[SPU_VERTS_PER_BATCH];
   float plane[12][4];
   unsigned nr_planes;
   unsigned nr_attrs;
};


struct cell_command_render
{
   uint64_t opcode;   
   uint prim_type;    
   uint num_verts;
   uint vertex_size;  
   uint num_indexes;
   uint vertex_buf;  
   float xmin, ymin, xmax, ymax;  /* XXX another dummy field */
   uint min_index;
   boolean inline_verts;
};


struct cell_command_release_verts
{
   uint64_t opcode;         
   uint vertex_buf;    
};


struct cell_command_sampler
{
   uint64_t opcode;         
   uint unit;
   struct pipe_sampler_state state;
};


struct cell_command_texture
{
   uint64_t opcode;     
   uint unit;
   void *start;         
   ushort width, height;
};


/* XXX this should go away; all commands should be placed in batch buffers */
struct cell_command
{
#if 0
   struct cell_command_framebuffer fb;
   struct cell_command_clear_surface clear;
   struct cell_command_render render;
#endif
   struct cell_command_vs vs;
} ALIGN16_ATTRIB;


struct cell_init_info
{
   unsigned id;
   unsigned num_spus;
   unsigned debug_flags;  
   struct cell_command *cmd;

   ubyte *buffers[CELL_NUM_BUFFERS];
   uint *buffer_status;  
} ALIGN16_ATTRIB;


#endif /* CELL_COMMON_H */

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