1 /**************************************************************************
2
3 Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
4 Tungsten Graphics Inc., Cedar Park, Texas.
5
6 All Rights Reserved.
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/imports.h"
37 #include "main/mtypes.h"
38 #include "main/macros.h"
39
40 #include "swrast_setup/swrast_setup.h"
41 #include "math/m_translate.h"
42 #include "tnl/tnl.h"
43
44 #include "radeon_context.h"
45 #include "radeon_ioctl.h"
46 #include "radeon_state.h"
47 #include "radeon_swtcl.h"
48 #include "radeon_maos.h"
49 #include "radeon_tcl.h"
50
emit_s0_vec(uint32_t * out,GLvoid * data,int stride,int count)51 static void emit_s0_vec(uint32_t *out, GLvoid *data, int stride, int count)
52 {
53 int i;
54 if (RADEON_DEBUG & RADEON_VERTS)
55 fprintf(stderr, "%s count %d stride %d\n",
56 __FUNCTION__, count, stride);
57
58 for (i = 0; i < count; i++) {
59 out[0] = *(int *)data;
60 out[1] = 0;
61 out += 2;
62 data += stride;
63 }
64 }
65
emit_stq_vec(uint32_t * out,GLvoid * data,int stride,int count)66 static void emit_stq_vec(uint32_t *out, GLvoid *data, int stride, int count)
67 {
68 int i;
69
70 if (RADEON_DEBUG & RADEON_VERTS)
71 fprintf(stderr, "%s count %d stride %d\n",
72 __FUNCTION__, count, stride);
73
74 for (i = 0; i < count; i++) {
75 out[0] = *(int *)data;
76 out[1] = *(int *)(data+4);
77 out[2] = *(int *)(data+12);
78 out += 3;
79 data += stride;
80 }
81 }
82
emit_tex_vector(struct gl_context * ctx,struct radeon_aos * aos,GLvoid * data,int size,int stride,int count)83 static void emit_tex_vector(struct gl_context *ctx, struct radeon_aos *aos,
84 GLvoid *data, int size, int stride, int count)
85 {
86 radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
87 int emitsize;
88 uint32_t *out;
89
90 if (RADEON_DEBUG & RADEON_VERTS)
91 fprintf(stderr, "%s %d/%d\n", __FUNCTION__, count, size);
92
93 switch (size) {
94 case 4: emitsize = 3; break;
95 case 3: emitsize = 3; break;
96 default: emitsize = 2; break;
97 }
98
99
100 if (stride == 0) {
101 radeonAllocDmaRegion(rmesa, &aos->bo, &aos->offset, emitsize * 4, 32);
102 count = 1;
103 aos->stride = 0;
104 }
105 else {
106 radeonAllocDmaRegion(rmesa, &aos->bo, &aos->offset, emitsize * count * 4, 32);
107 aos->stride = emitsize;
108 }
109
110 aos->components = emitsize;
111 aos->count = count;
112
113 /* Emit the data
114 */
115 radeon_bo_map(aos->bo, 1);
116 out = (uint32_t*)((char*)aos->bo->ptr + aos->offset);
117 switch (size) {
118 case 1:
119 emit_s0_vec( out, data, stride, count );
120 break;
121 case 2:
122 radeonEmitVec8( out, data, stride, count );
123 break;
124 case 3:
125 radeonEmitVec12( out, data, stride, count );
126 break;
127 case 4:
128 emit_stq_vec( out, data, stride, count );
129 break;
130 default:
131 assert(0);
132 exit(1);
133 break;
134 }
135 radeon_bo_unmap(aos->bo);
136 }
137
138
139
140
141 /* Emit any changed arrays to new GART memory, re-emit a packet to
142 * update the arrays.
143 */
radeonEmitArrays(struct gl_context * ctx,GLuint inputs)144 void radeonEmitArrays( struct gl_context *ctx, GLuint inputs )
145 {
146 r100ContextPtr rmesa = R100_CONTEXT( ctx );
147 struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
148 GLuint nr = 0;
149 GLuint vfmt = 0;
150 GLuint count = VB->Count;
151 GLuint vtx, unit;
152
153 #if 0
154 if (RADEON_DEBUG & RADEON_VERTS)
155 _tnl_print_vert_flags( __FUNCTION__, inputs );
156 #endif
157
158 if (1) {
159 if (!rmesa->tcl.obj.buf)
160 rcommon_emit_vector( ctx,
161 &(rmesa->tcl.aos[nr]),
162 (char *)VB->AttribPtr[_TNL_ATTRIB_POS]->data,
163 VB->AttribPtr[_TNL_ATTRIB_POS]->size,
164 VB->AttribPtr[_TNL_ATTRIB_POS]->stride,
165 count);
166
167 switch( VB->AttribPtr[_TNL_ATTRIB_POS]->size ) {
168 case 4: vfmt |= RADEON_CP_VC_FRMT_W0;
169 case 3: vfmt |= RADEON_CP_VC_FRMT_Z;
170 case 2: vfmt |= RADEON_CP_VC_FRMT_XY;
171 default:
172 break;
173 }
174 nr++;
175 }
176
177
178 if (inputs & VERT_BIT_NORMAL) {
179 if (!rmesa->tcl.norm.buf)
180 rcommon_emit_vector( ctx,
181 &(rmesa->tcl.aos[nr]),
182 (char *)VB->AttribPtr[_TNL_ATTRIB_NORMAL]->data,
183 3,
184 VB->AttribPtr[_TNL_ATTRIB_NORMAL]->stride,
185 count);
186
187 vfmt |= RADEON_CP_VC_FRMT_N0;
188 nr++;
189 }
190
191 if (inputs & VERT_BIT_COLOR0) {
192 int emitsize;
193 if (VB->AttribPtr[_TNL_ATTRIB_COLOR0]->size == 4 &&
194 (VB->AttribPtr[_TNL_ATTRIB_COLOR0]->stride != 0 ||
195 VB->AttribPtr[_TNL_ATTRIB_COLOR0]->data[0][3] != 1.0)) {
196 vfmt |= RADEON_CP_VC_FRMT_FPCOLOR | RADEON_CP_VC_FRMT_FPALPHA;
197 emitsize = 4;
198 }
199
200 else {
201 vfmt |= RADEON_CP_VC_FRMT_FPCOLOR;
202 emitsize = 3;
203 }
204
205 if (!rmesa->tcl.rgba.buf)
206 rcommon_emit_vector( ctx,
207 &(rmesa->tcl.aos[nr]),
208 (char *)VB->AttribPtr[_TNL_ATTRIB_COLOR0]->data,
209 emitsize,
210 VB->AttribPtr[_TNL_ATTRIB_COLOR0]->stride,
211 count);
212
213 nr++;
214 }
215
216
217 if (inputs & VERT_BIT_COLOR1) {
218 if (!rmesa->tcl.spec.buf) {
219
220 rcommon_emit_vector( ctx,
221 &(rmesa->tcl.aos[nr]),
222 (char *)VB->AttribPtr[_TNL_ATTRIB_COLOR1]->data,
223 3,
224 VB->AttribPtr[_TNL_ATTRIB_COLOR1]->stride,
225 count);
226 }
227
228 vfmt |= RADEON_CP_VC_FRMT_FPSPEC;
229 nr++;
230 }
231
232 /* FIXME: not sure if this is correct. May need to stitch this together with
233 secondary color. It seems odd that for primary color color and alpha values
234 are emitted together but for secondary color not. */
235 if (inputs & VERT_BIT_FOG) {
236 if (!rmesa->tcl.fog.buf)
237 rcommon_emit_vecfog( ctx,
238 &(rmesa->tcl.aos[nr]),
239 (char *)VB->AttribPtr[_TNL_ATTRIB_FOG]->data,
240 VB->AttribPtr[_TNL_ATTRIB_FOG]->stride,
241 count);
242
243 vfmt |= RADEON_CP_VC_FRMT_FPFOG;
244 nr++;
245 }
246
247
248 vtx = (rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] &
249 ~(RADEON_TCL_VTX_Q0|RADEON_TCL_VTX_Q1|RADEON_TCL_VTX_Q2));
250
251 for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
252 if (inputs & VERT_BIT_TEX(unit)) {
253 if (!rmesa->tcl.tex[unit].buf)
254 emit_tex_vector( ctx,
255 &(rmesa->tcl.aos[nr]),
256 (char *)VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->data,
257 VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->size,
258 VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->stride,
259 count );
260 nr++;
261
262 vfmt |= RADEON_ST_BIT(unit);
263 /* assume we need the 3rd coord if texgen is active for r/q OR at least
264 3 coords are submitted. This may not be 100% correct */
265 if (VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->size >= 3) {
266 vtx |= RADEON_Q_BIT(unit);
267 vfmt |= RADEON_Q_BIT(unit);
268 }
269 if ( (ctx->Texture.Unit[unit].TexGenEnabled & (R_BIT | Q_BIT)) )
270 vtx |= RADEON_Q_BIT(unit);
271 else if ((VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->size >= 3) &&
272 ((ctx->Texture.Unit[unit]._ReallyEnabled & (TEXTURE_CUBE_BIT)) == 0)) {
273 GLuint swaptexmatcol = (VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->size - 3);
274 if (((rmesa->NeedTexMatrix >> unit) & 1) &&
275 (swaptexmatcol != ((rmesa->TexMatColSwap >> unit) & 1)))
276 radeonUploadTexMatrix( rmesa, unit, swaptexmatcol ) ;
277 }
278 }
279 }
280
281 if (vtx != rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT]) {
282 RADEON_STATECHANGE( rmesa, tcl );
283 rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] = vtx;
284 }
285
286 rmesa->tcl.nr_aos_components = nr;
287 rmesa->tcl.vertex_format = vfmt;
288 }
289
290