1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 **********************************************************/
25
26 #include "pipe/p_compiler.h"
27 #include "util/u_inlines.h"
28 #include "pipe/p_defines.h"
29 #include "util/u_memory.h"
30 #include "util/u_math.h"
31 #include "util/u_upload_mgr.h"
32
33 #include "svga_context.h"
34 #include "svga_draw.h"
35 #include "svga_draw_private.h"
36 #include "svga_debug.h"
37 #include "svga_screen.h"
38 #include "svga_resource_buffer.h"
39 #include "svga_resource_texture.h"
40 #include "svga_surface.h"
41 #include "svga_winsys.h"
42 #include "svga_cmd.h"
43
44
svga_hwtnl_create(struct svga_context * svga,struct u_upload_mgr * upload_ib,struct svga_winsys_context * swc)45 struct svga_hwtnl *svga_hwtnl_create( struct svga_context *svga,
46 struct u_upload_mgr *upload_ib,
47 struct svga_winsys_context *swc )
48 {
49 struct svga_hwtnl *hwtnl = CALLOC_STRUCT(svga_hwtnl);
50 if (hwtnl == NULL)
51 goto fail;
52
53 hwtnl->svga = svga;
54 hwtnl->upload_ib = upload_ib;
55
56 hwtnl->cmd.swc = swc;
57
58 return hwtnl;
59
60 fail:
61 return NULL;
62 }
63
svga_hwtnl_destroy(struct svga_hwtnl * hwtnl)64 void svga_hwtnl_destroy( struct svga_hwtnl *hwtnl )
65 {
66 int i, j;
67
68 for (i = 0; i < PIPE_PRIM_MAX; i++) {
69 for (j = 0; j < IDX_CACHE_MAX; j++) {
70 pipe_resource_reference( &hwtnl->index_cache[i][j].buffer,
71 NULL );
72 }
73 }
74
75 for (i = 0; i < hwtnl->cmd.vdecl_count; i++)
76 pipe_resource_reference(&hwtnl->cmd.vdecl_vb[i], NULL);
77
78 for (i = 0; i < hwtnl->cmd.prim_count; i++)
79 pipe_resource_reference(&hwtnl->cmd.prim_ib[i], NULL);
80
81
82 FREE(hwtnl);
83 }
84
85
svga_hwtnl_set_flatshade(struct svga_hwtnl * hwtnl,boolean flatshade,boolean flatshade_first)86 void svga_hwtnl_set_flatshade( struct svga_hwtnl *hwtnl,
87 boolean flatshade,
88 boolean flatshade_first )
89 {
90 hwtnl->hw_pv = PV_FIRST;
91 hwtnl->api_pv = (flatshade && !flatshade_first) ? PV_LAST : PV_FIRST;
92 }
93
svga_hwtnl_set_unfilled(struct svga_hwtnl * hwtnl,unsigned mode)94 void svga_hwtnl_set_unfilled( struct svga_hwtnl *hwtnl,
95 unsigned mode )
96 {
97 hwtnl->api_fillmode = mode;
98 }
99
svga_hwtnl_reset_vdecl(struct svga_hwtnl * hwtnl,unsigned count)100 void svga_hwtnl_reset_vdecl( struct svga_hwtnl *hwtnl,
101 unsigned count )
102 {
103 unsigned i;
104
105 assert(hwtnl->cmd.prim_count == 0);
106
107 for (i = count; i < hwtnl->cmd.vdecl_count; i++) {
108 pipe_resource_reference(&hwtnl->cmd.vdecl_vb[i],
109 NULL);
110 }
111
112 hwtnl->cmd.vdecl_count = count;
113 }
114
115
svga_hwtnl_vdecl(struct svga_hwtnl * hwtnl,unsigned i,const SVGA3dVertexDecl * decl,struct pipe_resource * vb)116 void svga_hwtnl_vdecl( struct svga_hwtnl *hwtnl,
117 unsigned i,
118 const SVGA3dVertexDecl *decl,
119 struct pipe_resource *vb)
120 {
121 assert(hwtnl->cmd.prim_count == 0);
122
123 assert( i < hwtnl->cmd.vdecl_count );
124
125 hwtnl->cmd.vdecl[i] = *decl;
126
127 pipe_resource_reference(&hwtnl->cmd.vdecl_vb[i], vb);
128 }
129
130
131 /**
132 * Determine whether the specified buffer is referred in the primitive queue,
133 * for which no commands have been written yet.
134 */
135 boolean
svga_hwtnl_is_buffer_referred(struct svga_hwtnl * hwtnl,struct pipe_resource * buffer)136 svga_hwtnl_is_buffer_referred( struct svga_hwtnl *hwtnl,
137 struct pipe_resource *buffer)
138 {
139 unsigned i;
140
141 if (svga_buffer_is_user_buffer(buffer)) {
142 return FALSE;
143 }
144
145 if (!hwtnl->cmd.prim_count) {
146 return FALSE;
147 }
148
149 for (i = 0; i < hwtnl->cmd.vdecl_count; ++i) {
150 if (hwtnl->cmd.vdecl_vb[i] == buffer) {
151 return TRUE;
152 }
153 }
154
155 for (i = 0; i < hwtnl->cmd.prim_count; ++i) {
156 if (hwtnl->cmd.prim_ib[i] == buffer) {
157 return TRUE;
158 }
159 }
160
161 return FALSE;
162 }
163
164
165 enum pipe_error
svga_hwtnl_flush(struct svga_hwtnl * hwtnl)166 svga_hwtnl_flush( struct svga_hwtnl *hwtnl )
167 {
168 struct svga_winsys_context *swc = hwtnl->cmd.swc;
169 struct svga_context *svga = hwtnl->svga;
170 enum pipe_error ret;
171
172 if (hwtnl->cmd.prim_count) {
173 struct svga_winsys_surface *vb_handle[SVGA3D_INPUTREG_MAX];
174 struct svga_winsys_surface *ib_handle[QSZ];
175 struct svga_winsys_surface *handle;
176 SVGA3dVertexDecl *vdecl;
177 SVGA3dPrimitiveRange *prim;
178 unsigned i;
179
180 /* Unmap upload manager vertex buffers */
181 u_upload_unmap(svga->upload_vb);
182
183 for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
184 handle = svga_buffer_handle(svga, hwtnl->cmd.vdecl_vb[i]);
185 if (handle == NULL)
186 return PIPE_ERROR_OUT_OF_MEMORY;
187
188 vb_handle[i] = handle;
189 }
190
191 /* Unmap upload manager index buffers */
192 u_upload_unmap(svga->upload_ib);
193
194 for (i = 0; i < hwtnl->cmd.prim_count; i++) {
195 if (hwtnl->cmd.prim_ib[i]) {
196 handle = svga_buffer_handle(svga, hwtnl->cmd.prim_ib[i]);
197 if (handle == NULL)
198 return PIPE_ERROR_OUT_OF_MEMORY;
199 }
200 else
201 handle = NULL;
202
203 ib_handle[i] = handle;
204 }
205
206 if (svga->rebind.rendertargets) {
207 ret = svga_reemit_framebuffer_bindings(svga);
208 if (ret != PIPE_OK) {
209 return ret;
210 }
211 }
212
213 if (svga->rebind.texture_samplers) {
214 ret = svga_reemit_tss_bindings(svga);
215 if (ret != PIPE_OK) {
216 return ret;
217 }
218 }
219
220 SVGA_DBG(DEBUG_DMA, "draw to sid %p, %d prims\n",
221 svga->curr.framebuffer.cbufs[0] ?
222 svga_surface(svga->curr.framebuffer.cbufs[0])->handle : NULL,
223 hwtnl->cmd.prim_count);
224
225 ret = SVGA3D_BeginDrawPrimitives(swc,
226 &vdecl,
227 hwtnl->cmd.vdecl_count,
228 &prim,
229 hwtnl->cmd.prim_count);
230 if (ret != PIPE_OK)
231 return ret;
232
233
234 memcpy( vdecl,
235 hwtnl->cmd.vdecl,
236 hwtnl->cmd.vdecl_count * sizeof hwtnl->cmd.vdecl[0]);
237
238 for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
239 /* Given rangeHint is considered to be relative to indexBias, and
240 * indexBias varies per primitive, we cannot accurately supply an
241 * rangeHint when emitting more than one primitive per draw command.
242 */
243 if (hwtnl->cmd.prim_count == 1) {
244 vdecl[i].rangeHint.first = hwtnl->cmd.min_index[0];
245 vdecl[i].rangeHint.last = hwtnl->cmd.max_index[0] + 1;
246 }
247 else {
248 vdecl[i].rangeHint.first = 0;
249 vdecl[i].rangeHint.last = 0;
250 }
251
252 swc->surface_relocation(swc,
253 &vdecl[i].array.surfaceId,
254 vb_handle[i],
255 SVGA_RELOC_READ);
256 }
257
258 memcpy( prim,
259 hwtnl->cmd.prim,
260 hwtnl->cmd.prim_count * sizeof hwtnl->cmd.prim[0]);
261
262 for (i = 0; i < hwtnl->cmd.prim_count; i++) {
263 swc->surface_relocation(swc,
264 &prim[i].indexArray.surfaceId,
265 ib_handle[i],
266 SVGA_RELOC_READ);
267 pipe_resource_reference(&hwtnl->cmd.prim_ib[i], NULL);
268 }
269
270 SVGA_FIFOCommitAll( swc );
271 hwtnl->cmd.prim_count = 0;
272 }
273
274 return PIPE_OK;
275 }
276
277
svga_hwtnl_set_index_bias(struct svga_hwtnl * hwtnl,int index_bias)278 void svga_hwtnl_set_index_bias( struct svga_hwtnl *hwtnl,
279 int index_bias)
280 {
281 hwtnl->index_bias = index_bias;
282 }
283
284
285
286 /***********************************************************************
287 * Internal functions:
288 */
289
svga_hwtnl_prim(struct svga_hwtnl * hwtnl,const SVGA3dPrimitiveRange * range,unsigned min_index,unsigned max_index,struct pipe_resource * ib)290 enum pipe_error svga_hwtnl_prim( struct svga_hwtnl *hwtnl,
291 const SVGA3dPrimitiveRange *range,
292 unsigned min_index,
293 unsigned max_index,
294 struct pipe_resource *ib )
295 {
296 enum pipe_error ret = PIPE_OK;
297
298 #ifdef DEBUG
299 {
300 unsigned i;
301 for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
302 struct pipe_resource *vb = hwtnl->cmd.vdecl_vb[i];
303 unsigned size = vb ? vb->width0 : 0;
304 unsigned offset = hwtnl->cmd.vdecl[i].array.offset;
305 unsigned stride = hwtnl->cmd.vdecl[i].array.stride;
306 int index_bias = (int) range->indexBias + hwtnl->index_bias;
307 unsigned width;
308
309 assert(vb);
310 assert(size);
311 assert(offset < size);
312 assert(min_index <= max_index);
313
314 switch (hwtnl->cmd.vdecl[i].identity.type) {
315 case SVGA3D_DECLTYPE_FLOAT1:
316 width = 4;
317 break;
318 case SVGA3D_DECLTYPE_FLOAT2:
319 width = 4*2;
320 break;
321 case SVGA3D_DECLTYPE_FLOAT3:
322 width = 4*3;
323 break;
324 case SVGA3D_DECLTYPE_FLOAT4:
325 width = 4*4;
326 break;
327 case SVGA3D_DECLTYPE_D3DCOLOR:
328 width = 4;
329 break;
330 case SVGA3D_DECLTYPE_UBYTE4:
331 width = 1*4;
332 break;
333 case SVGA3D_DECLTYPE_SHORT2:
334 width = 2*2;
335 break;
336 case SVGA3D_DECLTYPE_SHORT4:
337 width = 2*4;
338 break;
339 case SVGA3D_DECLTYPE_UBYTE4N:
340 width = 1*4;
341 break;
342 case SVGA3D_DECLTYPE_SHORT2N:
343 width = 2*2;
344 break;
345 case SVGA3D_DECLTYPE_SHORT4N:
346 width = 2*4;
347 break;
348 case SVGA3D_DECLTYPE_USHORT2N:
349 width = 2*2;
350 break;
351 case SVGA3D_DECLTYPE_USHORT4N:
352 width = 2*4;
353 break;
354 case SVGA3D_DECLTYPE_UDEC3:
355 width = 4;
356 break;
357 case SVGA3D_DECLTYPE_DEC3N:
358 width = 4;
359 break;
360 case SVGA3D_DECLTYPE_FLOAT16_2:
361 width = 2*2;
362 break;
363 case SVGA3D_DECLTYPE_FLOAT16_4:
364 width = 2*4;
365 break;
366 default:
367 assert(0);
368 width = 0;
369 break;
370 }
371
372 if (index_bias >= 0) {
373 assert(offset + index_bias*stride + width <= size);
374 }
375
376 /*
377 * min_index/max_index are merely conservative guesses, so we can't
378 * make buffer overflow detection based on their values.
379 */
380 }
381
382 assert(range->indexWidth == range->indexArray.stride);
383
384 if(ib) {
385 unsigned size = ib->width0;
386 unsigned offset = range->indexArray.offset;
387 unsigned stride = range->indexArray.stride;
388 unsigned count;
389
390 assert(size);
391 assert(offset < size);
392 assert(stride);
393
394 switch (range->primType) {
395 case SVGA3D_PRIMITIVE_POINTLIST:
396 count = range->primitiveCount;
397 break;
398 case SVGA3D_PRIMITIVE_LINELIST:
399 count = range->primitiveCount * 2;
400 break;
401 case SVGA3D_PRIMITIVE_LINESTRIP:
402 count = range->primitiveCount + 1;
403 break;
404 case SVGA3D_PRIMITIVE_TRIANGLELIST:
405 count = range->primitiveCount * 3;
406 break;
407 case SVGA3D_PRIMITIVE_TRIANGLESTRIP:
408 count = range->primitiveCount + 2;
409 break;
410 case SVGA3D_PRIMITIVE_TRIANGLEFAN:
411 count = range->primitiveCount + 2;
412 break;
413 default:
414 assert(0);
415 count = 0;
416 break;
417 }
418
419 assert(offset + count*stride <= size);
420 }
421 }
422 #endif
423
424 if (hwtnl->cmd.prim_count+1 >= QSZ) {
425 ret = svga_hwtnl_flush( hwtnl );
426 if (ret != PIPE_OK)
427 return ret;
428 }
429
430 /* min/max indices are relative to bias */
431 hwtnl->cmd.min_index[hwtnl->cmd.prim_count] = min_index;
432 hwtnl->cmd.max_index[hwtnl->cmd.prim_count] = max_index;
433
434 hwtnl->cmd.prim[hwtnl->cmd.prim_count] = *range;
435 hwtnl->cmd.prim[hwtnl->cmd.prim_count].indexBias += hwtnl->index_bias;
436
437 pipe_resource_reference(&hwtnl->cmd.prim_ib[hwtnl->cmd.prim_count], ib);
438 hwtnl->cmd.prim_count++;
439
440 return ret;
441 }
442