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
nv20_emit_tex_env(struct gl_context * ctx,int emit)34 nv20_emit_tex_env(struct gl_context *ctx, int emit)
35 {
36 const int i = emit - NOUVEAU_STATE_TEX_ENV0;
37 struct nouveau_pushbuf *push = context_push(ctx);
38 uint32_t a_in, a_out, c_in, c_out, k;
39
40 nv10_get_general_combiner(ctx, i, &a_in, &a_out, &c_in, &c_out, &k);
41
42 BEGIN_NV04(push, NV20_3D(RC_IN_ALPHA(i)), 1);
43 PUSH_DATA (push, a_in);
44 BEGIN_NV04(push, NV20_3D(RC_OUT_ALPHA(i)), 1);
45 PUSH_DATA (push, a_out);
46 BEGIN_NV04(push, NV20_3D(RC_IN_RGB(i)), 1);
47 PUSH_DATA (push, c_in);
48 BEGIN_NV04(push, NV20_3D(RC_OUT_RGB(i)), 1);
49 PUSH_DATA (push, c_out);
50 BEGIN_NV04(push, NV20_3D(RC_CONSTANT_COLOR0(i)), 1);
51 PUSH_DATA (push, k);
52
53 context_dirty(ctx, FRAG);
54 }
55
56 void
nv20_emit_frag(struct gl_context * ctx,int emit)57 nv20_emit_frag(struct gl_context *ctx, int emit)
58 {
59 struct nouveau_pushbuf *push = context_push(ctx);
60 uint64_t in;
61 int n;
62
63 nv10_get_final_combiner(ctx, &in, &n);
64
65 BEGIN_NV04(push, NV20_3D(RC_FINAL0), 2);
66 PUSH_DATA (push, in);
67 PUSH_DATA (push, in >> 32);
68
69 BEGIN_NV04(push, NV20_3D(RC_ENABLE), 1);
70 PUSH_DATA (push, MAX2(1, n));
71 }
72