src/mesa/drivers/dri/nouveau/nv20_state_frag.c

   1 /*
   2  * Copyright (C) 2009-2010 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #include "nouveau_driver.h"
  28 #include "nouveau_context.h"
  29 #include "nv20_3d.xml.h"
  30 #include "nv10_driver.h"
  31 #include "nv20_driver.h"
  32
  33 void
  34 nv20_emit_tex_env(struct gl_context *ctx, int emit)
  35 {
  36         const int i = emit - NOUVEAU_STATE_TEX_ENV0;
  37         struct nouveau_channel *chan = context_chan(ctx);
  38         struct nouveau_grobj *kelvin = context_eng3d(ctx);
  39         uint32_t a_in, a_out, c_in, c_out, k;
  40
  41         nv10_get_general_combiner(ctx, i, &a_in, &a_out, &c_in, &c_out, &k);
  42
  43         BEGIN_RING(chan, kelvin, NV20_3D_RC_IN_ALPHA(i), 1);
  44         OUT_RING(chan, a_in);
  45         BEGIN_RING(chan, kelvin, NV20_3D_RC_OUT_ALPHA(i), 1);
  46         OUT_RING(chan, a_out);
  47         BEGIN_RING(chan, kelvin, NV20_3D_RC_IN_RGB(i), 1);
  48         OUT_RING(chan, c_in);
  49         BEGIN_RING(chan, kelvin, NV20_3D_RC_OUT_RGB(i), 1);
  50         OUT_RING(chan, c_out);
  51         BEGIN_RING(chan, kelvin, NV20_3D_RC_CONSTANT_COLOR0(i), 1);
  52         OUT_RING(chan, k);
  53
  54         context_dirty(ctx, FRAG);
  55 }
  56
  57 void
  58 nv20_emit_frag(struct gl_context *ctx, int emit)
  59 {
  60         struct nouveau_channel *chan = context_chan(ctx);
  61         struct nouveau_grobj *kelvin = context_eng3d(ctx);
  62         uint64_t in;
  63         int n;
  64
  65         nv10_get_final_combiner(ctx, &in, &n);
  66
  67         BEGIN_RING(chan, kelvin, NV20_3D_RC_FINAL0, 2);
  68         OUT_RING(chan, in);
  69         OUT_RING(chan, in >> 32);
  70
  71         BEGIN_RING(chan, kelvin, NV20_3D_RC_ENABLE, 1);
  72         OUT_RING(chan, n);
  73 }