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      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_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
     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, n);
     71 }
     72