1/*
2Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
3
4The Weather Channel (TM) funded Tungsten Graphics to develop the
5initial release of the Radeon 8500 driver under the XFree86 license.
6This notice must be preserved.
7
8Permission is hereby granted, free of charge, to any person obtaining
9a copy of this software and associated documentation files (the
10"Software"), to deal in the Software without restriction, including
11without limitation the rights to use, copy, modify, merge, publish,
12distribute, sublicense, and/or sell copies of the Software, and to
13permit persons to whom the Software is furnished to do so, subject to
14the following conditions:
15
16The above copyright notice and this permission notice (including the
17next paragraph) shall be included in all copies or substantial
18portions of the Software.
19
20THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
24LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27
28**************************************************************************/
29
30/*
31 * Authors:
32 *   Keith Whitwell <keithw@vmware.com>
33 */
34
35#include "main/glheader.h"
36#include "main/mtypes.h"
37#include "main/imports.h"
38#include "main/macros.h"
39#include "main/state.h"
40
41#include "swrast_setup/swrast_setup.h"
42#include "math/m_translate.h"
43#include "tnl/tnl.h"
44#include "tnl/t_context.h"
45
46#include "r200_context.h"
47#include "r200_ioctl.h"
48#include "r200_state.h"
49#include "r200_swtcl.h"
50#include "r200_maos.h"
51#include "r200_tcl.h"
52
53#if defined(USE_X86_ASM)
54#define COPY_DWORDS( dst, src, nr )					\
55do {									\
56	int __tmp;							\
57	__asm__ __volatile__( "rep ; movsl"				\
58			      : "=%c" (__tmp), "=D" (dst), "=S" (__tmp)	\
59			      : "0" (nr),				\
60			        "D" ((long)dst),			\
61			        "S" ((long)src) );			\
62} while (0)
63#else
64#define COPY_DWORDS( dst, src, nr )		\
65do {						\
66   int j;					\
67   for ( j = 0 ; j < nr ; j++ )			\
68      dst[j] = ((int *)src)[j];			\
69   dst += nr;					\
70} while (0)
71#endif
72
73/* Emit any changed arrays to new GART memory, re-emit a packet to
74 * update the arrays.
75 */
76void r200EmitArrays( struct gl_context *ctx, GLubyte *vimap_rev )
77{
78   r200ContextPtr rmesa = R200_CONTEXT( ctx );
79   struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
80   GLuint nr = 0;
81   GLuint vfmt0 = 0, vfmt1 = 0;
82   GLuint count = VB->Count;
83   GLuint i, emitsize;
84
85   //   fprintf(stderr,"emit arrays\n");
86   for ( i = 0; i < 15; i++ ) {
87      GLubyte attrib = vimap_rev[i];
88      if (attrib != 255) {
89	 switch (i) {
90	 case 0:
91	    emitsize = (VB->AttribPtr[attrib]->size);
92	    switch (emitsize) {
93	    case 4:
94	       vfmt0 |= R200_VTX_W0;
95	       /* fallthrough */
96	    case 3:
97	       vfmt0 |= R200_VTX_Z0;
98	       break;
99	    case 2:
100	       break;
101	    default: assert(0);
102	    }
103	    break;
104	 case 1:
105            unreachable("r200: vertex weight attrib unsupported");
106	    break;
107	 case 2:
108	    assert(attrib == VERT_ATTRIB_NORMAL);
109	    emitsize = 3;
110	    vfmt0 |= R200_VTX_N0;
111	    break;
112	 case 3:
113	    /* special handling to fix up fog. Will get us into trouble with vbos...*/
114	    assert(attrib == VERT_ATTRIB_FOG);
115	    if (!rmesa->radeon.tcl.aos[i].bo) {
116	       if (_mesa_arb_vertex_program_enabled(ctx))
117		  rcommon_emit_vector( ctx,
118				       &(rmesa->radeon.tcl.aos[nr]),
119				       (char *)VB->AttribPtr[attrib]->data,
120				       1,
121				       VB->AttribPtr[attrib]->stride,
122				       count);
123	       else
124		 rcommon_emit_vecfog( ctx,
125				      &(rmesa->radeon.tcl.aos[nr]),
126				      (char *)VB->AttribPtr[attrib]->data,
127				      VB->AttribPtr[attrib]->stride,
128				      count);
129	    }
130	    vfmt0 |= R200_VTX_DISCRETE_FOG;
131	    goto after_emit;
132	    break;
133	 case 4:
134	 case 5:
135	 case 6:
136	 case 7:
137	    if (VB->AttribPtr[attrib]->size == 4 &&
138	       (VB->AttribPtr[attrib]->stride != 0 ||
139		VB->AttribPtr[attrib]->data[0][3] != 1.0)) emitsize = 4;
140	    else emitsize = 3;
141	    if (emitsize == 4)
142	       vfmt0 |= R200_VTX_FP_RGBA << (R200_VTX_COLOR_0_SHIFT + (i - 4) * 2);
143	    else {
144	       vfmt0 |= R200_VTX_FP_RGB << (R200_VTX_COLOR_0_SHIFT + (i - 4) * 2);
145	    }
146	    break;
147	 case 8:
148	 case 9:
149	 case 10:
150	 case 11:
151	 case 12:
152	 case 13:
153	    emitsize = VB->AttribPtr[attrib]->size;
154	    vfmt1 |= emitsize << (R200_VTX_TEX0_COMP_CNT_SHIFT + (i - 8) * 3);
155	    break;
156	 case 14:
157	    emitsize = VB->AttribPtr[attrib]->size >= 2 ? VB->AttribPtr[attrib]->size : 2;
158	    switch (emitsize) {
159	    case 2:
160	       vfmt0 |= R200_VTX_XY1;
161	       /* fallthrough */
162	    case 3:
163	       vfmt0 |= R200_VTX_Z1;
164	       /* fallthrough */
165	    case 4:
166	       vfmt0 |= R200_VTX_W1;
167	       /* fallthrough */
168	    }
169	    break;
170	 default:
171	    assert(0);
172	    emitsize = 0;
173	 }
174	 if (!rmesa->radeon.tcl.aos[nr].bo) {
175	   rcommon_emit_vector( ctx,
176				&(rmesa->radeon.tcl.aos[nr]),
177				(char *)VB->AttribPtr[attrib]->data,
178				emitsize,
179				VB->AttribPtr[attrib]->stride,
180				count );
181	 }
182after_emit:
183	 assert(nr < 12);
184	 nr++;
185      }
186   }
187
188   if (vfmt0 != rmesa->hw.vtx.cmd[VTX_VTXFMT_0] ||
189       vfmt1 != rmesa->hw.vtx.cmd[VTX_VTXFMT_1]) {
190      R200_STATECHANGE( rmesa, vtx );
191      rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = vfmt0;
192      rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = vfmt1;
193   }
194
195   rmesa->radeon.tcl.aos_count = nr;
196}
197
198