1 /*
2 Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
3
4 The Weather Channel (TM) funded Tungsten Graphics to develop the
5 initial release of the Radeon 8500 driver under the XFree86 license.
6 This notice must be preserved.
7
8 Permission is hereby granted, free of charge, to any person obtaining
9 a copy of this software and associated documentation files (the
10 "Software"), to deal in the Software without restriction, including
11 without limitation the rights to use, copy, modify, merge, publish,
12 distribute, sublicense, and/or sell copies of the Software, and to
13 permit persons to whom the Software is furnished to do so, subject to
14 the following conditions:
15
16 The above copyright notice and this permission notice (including the
17 next paragraph) shall be included in all copies or substantial
18 portions of the Software.
19
20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27
28 **************************************************************************/
29
30 /*
31 * Authors:
32 * Keith Whitwell <keith@tungstengraphics.com>
33 */
34
35 #include "main/glheader.h"
36 #include "main/mtypes.h"
37 #include "main/colormac.h"
38 #include "main/imports.h"
39 #include "main/macros.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 ) \
55 do { \
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 ) \
65 do { \
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 */
r200EmitArrays(struct gl_context * ctx,GLubyte * vimap_rev)76 void 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 assert(attrib == VERT_ATTRIB_WEIGHT);
106 emitsize = (VB->AttribPtr[attrib]->size);
107 vfmt0 |= emitsize << R200_VTX_WEIGHT_COUNT_SHIFT;
108 break;
109 case 2:
110 assert(attrib == VERT_ATTRIB_NORMAL);
111 emitsize = 3;
112 vfmt0 |= R200_VTX_N0;
113 break;
114 case 3:
115 /* special handling to fix up fog. Will get us into trouble with vbos...*/
116 assert(attrib == VERT_ATTRIB_FOG);
117 if (!rmesa->radeon.tcl.aos[i].bo) {
118 if (ctx->VertexProgram._Enabled)
119 rcommon_emit_vector( ctx,
120 &(rmesa->radeon.tcl.aos[nr]),
121 (char *)VB->AttribPtr[attrib]->data,
122 1,
123 VB->AttribPtr[attrib]->stride,
124 count);
125 else
126 rcommon_emit_vecfog( ctx,
127 &(rmesa->radeon.tcl.aos[nr]),
128 (char *)VB->AttribPtr[attrib]->data,
129 VB->AttribPtr[attrib]->stride,
130 count);
131 }
132 vfmt0 |= R200_VTX_DISCRETE_FOG;
133 goto after_emit;
134 break;
135 case 4:
136 case 5:
137 case 6:
138 case 7:
139 if (VB->AttribPtr[attrib]->size == 4 &&
140 (VB->AttribPtr[attrib]->stride != 0 ||
141 VB->AttribPtr[attrib]->data[0][3] != 1.0)) emitsize = 4;
142 else emitsize = 3;
143 if (emitsize == 4)
144 vfmt0 |= R200_VTX_FP_RGBA << (R200_VTX_COLOR_0_SHIFT + (i - 4) * 2);
145 else {
146 vfmt0 |= R200_VTX_FP_RGB << (R200_VTX_COLOR_0_SHIFT + (i - 4) * 2);
147 }
148 break;
149 case 8:
150 case 9:
151 case 10:
152 case 11:
153 case 12:
154 case 13:
155 emitsize = VB->AttribPtr[attrib]->size;
156 vfmt1 |= emitsize << (R200_VTX_TEX0_COMP_CNT_SHIFT + (i - 8) * 3);
157 break;
158 case 14:
159 emitsize = VB->AttribPtr[attrib]->size >= 2 ? VB->AttribPtr[attrib]->size : 2;
160 switch (emitsize) {
161 case 2:
162 vfmt0 |= R200_VTX_XY1;
163 /* fallthrough */
164 case 3:
165 vfmt0 |= R200_VTX_Z1;
166 /* fallthrough */
167 case 4:
168 vfmt0 |= R200_VTX_W1;
169 /* fallthrough */
170 }
171 break;
172 default:
173 assert(0);
174 emitsize = 0;
175 }
176 if (!rmesa->radeon.tcl.aos[nr].bo) {
177 rcommon_emit_vector( ctx,
178 &(rmesa->radeon.tcl.aos[nr]),
179 (char *)VB->AttribPtr[attrib]->data,
180 emitsize,
181 VB->AttribPtr[attrib]->stride,
182 count );
183 }
184 after_emit:
185 assert(nr < 12);
186 nr++;
187 }
188 }
189
190 if (vfmt0 != rmesa->hw.vtx.cmd[VTX_VTXFMT_0] ||
191 vfmt1 != rmesa->hw.vtx.cmd[VTX_VTXFMT_1]) {
192 R200_STATECHANGE( rmesa, vtx );
193 rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = vfmt0;
194 rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = vfmt1;
195 }
196
197 rmesa->radeon.tcl.aos_count = nr;
198 }
199
200