text: /*
   * Copyright (C) 2009-2010 Francisco Jerez.
   * 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, sublicense, 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 NONINFRINGEMENT.
   * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 "nouveau_driver.h"
  #include "nouveau_context.h"
  #include "nv20_3d.xml.h"
  #include "nv10_driver.h"
  #include "nv20_driver.h"
  
  void
  nv20_emit_tex_env(struct gl_context *ctx, int emit)
  {
  	const int i = emit - NOUVEAU_STATE_TEX_ENV0;
  	struct nouveau_channel *chan = context_chan(ctx);
  	struct nouveau_grobj *kelvin = context_eng3d(ctx);
  	uint32_t a_in, a_out, c_in, c_out, k;
  
  	nv10_get_general_combiner(ctx, i, &a_in, &a_out, &c_in, &c_out, &k);
  
  	BEGIN_RING(chan, kelvin, NV20_3D_RC_IN_ALPHA(i), 1);
  	OUT_RING(chan, a_in);
  	BEGIN_RING(chan, kelvin, NV20_3D_RC_OUT_ALPHA(i), 1);
  	OUT_RING(chan, a_out);
  	BEGIN_RING(chan, kelvin, NV20_3D_RC_IN_RGB(i), 1);
  	OUT_RING(chan, c_in);
  	BEGIN_RING(chan, kelvin, NV20_3D_RC_OUT_RGB(i), 1);
  	OUT_RING(chan, c_out);
  	BEGIN_RING(chan, kelvin, NV20_3D_RC_CONSTANT_COLOR0(i), 1);
  	OUT_RING(chan, k);
  
  	context_dirty(ctx, FRAG);
  }
  
  void
  nv20_emit_frag(struct gl_context *ctx, int emit)
  {
  	struct nouveau_channel *chan = context_chan(ctx);
  	struct nouveau_grobj *kelvin = context_eng3d(ctx);
  	uint64_t in;
  	int n;
  
  	nv10_get_final_combiner(ctx, &in, &n);
  
  	BEGIN_RING(chan, kelvin, NV20_3D_RC_FINAL0, 2);
  	OUT_RING(chan, in);
  	OUT_RING(chan, in >> 32);
  
  	BEGIN_RING(chan, kelvin, NV20_3D_RC_ENABLE, 1);
  	OUT_RING(chan, n);
  }
  