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