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/**************************************************************************
 * 
 * Copyright 2003 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 "i915_batch.h"
#include "i915_state_inlines.h"
#include "i915_context.h"
#include "i915_reg.h"
#include "i915_state.h"
#include "pipe/p_util.h"

#define FILE_DEBUG_FLAG DEBUG_STATE

/* State that we have chosen to store in the DYNAMIC segment of the
 * i915 indirect state mechanism.  
 *
 * Can't cache these in the way we do the static state, as there is no
 * start/size in the command packet, instead an 'end' value that gets
 * incremented.
 *
 * Additionally, there seems to be a requirement to re-issue the full
 * (active) state every time a 4kb boundary is crossed.
 */

static INLINE void set_dynamic_indirect( struct i915_context *i915,
					 unsigned offset,
					 const unsigned *src,
					 unsigned dwords )
{
   unsigned i;

   for (i = 0; i < dwords; i++)
      i915->current.dynamic[offset + i] = src[i];

   i915->hardware_dirty |= I915_HW_DYNAMIC;
}


/***********************************************************************
 * Modes4: stencil masks and logicop 
 */
static void upload_MODES4( struct i915_context *i915 )
{
   unsigned modes4 = 0;

   /* I915_NEW_STENCIL */
   modes4 |= i915->depth_stencil->stencil_modes4;
   /* I915_NEW_BLEND */
   modes4 |= i915->blend->modes4;

   /* Always, so that we know when state is in-active: 
    */
   set_dynamic_indirect( i915, 
			 I915_DYNAMIC_MODES4,
			 &modes4,
			 1 );
}

const struct i915_tracked_state i915_upload_MODES4 = {
   I915_NEW_BLEND | I915_NEW_DEPTH_STENCIL,
   upload_MODES4
};




/***********************************************************************
 */

static void upload_BFO( struct i915_context *i915 )
{
   set_dynamic_indirect( i915,
			 I915_DYNAMIC_BFO_0,
			 &(i915->depth_stencil->bfo[0]),
			 2 );
}

const struct i915_tracked_state i915_upload_BFO = {
   I915_NEW_DEPTH_STENCIL,
   upload_BFO
};


/***********************************************************************
 */


static void upload_BLENDCOLOR( struct i915_context *i915 )
{
   unsigned bc[2];

   memset( bc, 0, sizeof(bc) );

   /* I915_NEW_BLEND {_COLOR} 
    */
   {
      const float *color = i915->blend_color.color;

      bc[0] = _3DSTATE_CONST_BLEND_COLOR_CMD;
      bc[1] = pack_ui32_float4( color[0],
				color[1],
				color[2], 
				color[3] );
   }

   set_dynamic_indirect( i915, 
			 I915_DYNAMIC_BC_0,
			 bc,
			 2 );
}

const struct i915_tracked_state i915_upload_BLENDCOLOR = {
   I915_NEW_BLEND,
   upload_BLENDCOLOR
};

/***********************************************************************
 */


static void upload_IAB( struct i915_context *i915 )
{
   unsigned iab = i915->blend->iab;


   set_dynamic_indirect( i915,
			 I915_DYNAMIC_IAB,
			 &iab,