1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
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:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
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
24 **********************************************************/
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"
32 #include "svga_context.h"
33 #include "svga_draw.h"
34 #include "svga_draw_private.h"
35 #include "svga_debug.h"
36 #include "svga_screen.h"
37 #include "svga_resource_buffer.h"
38 #include "svga_resource_texture.h"
39 #include "svga_surface.h"
40 #include "svga_winsys.h"
44 struct svga_hwtnl *svga_hwtnl_create( struct svga_context *svga,
45 struct u_upload_mgr *upload_ib,
46 struct svga_winsys_context *swc )
48 struct svga_hwtnl *hwtnl = CALLOC_STRUCT(svga_hwtnl);
53 hwtnl->upload_ib = upload_ib;
63 void svga_hwtnl_destroy( struct svga_hwtnl *hwtnl )
67 for (i = 0; i < PIPE_PRIM_MAX; i++) {
68 for (j = 0; j < IDX_CACHE_MAX; j++) {
69 pipe_resource_reference( &hwtnl->index_cache[i][j].buffer,
74 for (i = 0; i < hwtnl->cmd.vdecl_count; i++)
75 pipe_resource_reference(&hwtnl->cmd.vdecl_vb[i], NULL);
77 for (i = 0; i < hwtnl->cmd.prim_count; i++)
78 pipe_resource_reference(&hwtnl->cmd.prim_ib[i], NULL);
85 void svga_hwtnl_set_flatshade( struct svga_hwtnl *hwtnl,
87 boolean flatshade_first )
89 hwtnl->hw_pv = PV_FIRST;
90 hwtnl->api_pv = (flatshade && !flatshade_first) ? PV_LAST : PV_FIRST;
93 void svga_hwtnl_set_unfilled( struct svga_hwtnl *hwtnl,
96 hwtnl->api_fillmode = mode;
99 void svga_hwtnl_reset_vdecl( struct svga_hwtnl *hwtnl,
104 assert(hwtnl->cmd.prim_count == 0);
106 for (i = count; i < hwtnl->cmd.vdecl_count; i++) {
107 pipe_resource_reference(&hwtnl->cmd.vdecl_vb[i],
111 hwtnl->cmd.vdecl_count = count;
115 void svga_hwtnl_vdecl( struct svga_hwtnl *hwtnl,
117 const SVGA3dVertexDecl *decl,
118 struct pipe_resource *vb)
120 assert(hwtnl->cmd.prim_count == 0);
122 assert( i < hwtnl->cmd.vdecl_count );
124 hwtnl->cmd.vdecl[i] = *decl;
126 pipe_resource_reference(&hwtnl->cmd.vdecl_vb[i], vb);
132 svga_hwtnl_flush( struct svga_hwtnl *hwtnl )
134 struct svga_winsys_context *swc = hwtnl->cmd.swc;
135 struct svga_context *svga = hwtnl->svga;
138 if (hwtnl->cmd.prim_count) {
139 struct svga_winsys_surface *vb_handle[SVGA3D_INPUTREG_MAX];
140 struct svga_winsys_surface *ib_handle[QSZ];
141 struct svga_winsys_surface *handle;
142 SVGA3dVertexDecl *vdecl;
143 SVGA3dPrimitiveRange *prim;
146 for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
147 handle = svga_buffer_handle(svga, hwtnl->cmd.vdecl_vb[i]);
149 return PIPE_ERROR_OUT_OF_MEMORY;
151 vb_handle[i] = handle;
154 for (i = 0; i < hwtnl->cmd.prim_count; i++) {
155 if (hwtnl->cmd.prim_ib[i]) {
156 handle = svga_buffer_handle(svga, hwtnl->cmd.prim_ib[i]);
158 return PIPE_ERROR_OUT_OF_MEMORY;
163 ib_handle[i] = handle;
166 SVGA_DBG(DEBUG_DMA, "draw to sid %p, %d prims\n",
167 svga->curr.framebuffer.cbufs[0] ?
168 svga_surface(svga->curr.framebuffer.cbufs[0])->handle : NULL,
169 hwtnl->cmd.prim_count);
171 ret = SVGA3D_BeginDrawPrimitives(swc,
173 hwtnl->cmd.vdecl_count,
175 hwtnl->cmd.prim_count);
182 hwtnl->cmd.vdecl_count * sizeof hwtnl->cmd.vdecl[0]);
184 for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
185 /* Given rangeHint is considered to be relative to indexBias, and
186 * indexBias varies per primitive, we cannot accurately supply an
187 * rangeHint when emitting more than one primitive per draw command.
189 if (hwtnl->cmd.prim_count == 1) {
190 vdecl[i].rangeHint.first = hwtnl->cmd.min_index[0];
191 vdecl[i].rangeHint.last = hwtnl->cmd.max_index[0] + 1;
194 vdecl[i].rangeHint.first = 0;
195 vdecl[i].rangeHint.last = 0;
198 swc->surface_relocation(swc,
199 &vdecl[i].array.surfaceId,
206 hwtnl->cmd.prim_count * sizeof hwtnl->cmd.prim[0]);
208 for (i = 0; i < hwtnl->cmd.prim_count; i++) {
209 swc->surface_relocation(swc,
210 &prim[i].indexArray.surfaceId,
213 pipe_resource_reference(&hwtnl->cmd.prim_ib[i], NULL);
216 SVGA_FIFOCommitAll( swc );
217 hwtnl->cmd.prim_count = 0;
227 /***********************************************************************
228 * Internal functions:
231 enum pipe_error svga_hwtnl_prim( struct svga_hwtnl *hwtnl,
232 const SVGA3dPrimitiveRange *range,
235 struct pipe_resource *ib )
242 for (i = 0; i < hwtnl->cmd.vdecl_count; i++) {
243 struct pipe_resource *vb = hwtnl->cmd.vdecl_vb[i];
244 unsigned size = vb ? vb->width0 : 0;
245 unsigned offset = hwtnl->cmd.vdecl[i].array.offset;
246 unsigned stride = hwtnl->cmd.vdecl[i].array.stride;
247 unsigned index_bias = range->indexBias;
252 assert(offset < size);
253 assert(index_bias >= 0);
254 assert(min_index <= max_index);
255 assert(offset + index_bias*stride < size);
256 if (min_index != ~0) {
257 assert(offset + (index_bias + min_index) * stride < size);
260 switch (hwtnl->cmd.vdecl[i].identity.type) {
261 case SVGA3D_DECLTYPE_FLOAT1:
264 case SVGA3D_DECLTYPE_FLOAT2:
267 case SVGA3D_DECLTYPE_FLOAT3:
270 case SVGA3D_DECLTYPE_FLOAT4:
273 case SVGA3D_DECLTYPE_D3DCOLOR:
276 case SVGA3D_DECLTYPE_UBYTE4:
279 case SVGA3D_DECLTYPE_SHORT2:
282 case SVGA3D_DECLTYPE_SHORT4:
285 case SVGA3D_DECLTYPE_UBYTE4N:
288 case SVGA3D_DECLTYPE_SHORT2N:
291 case SVGA3D_DECLTYPE_SHORT4N:
294 case SVGA3D_DECLTYPE_USHORT2N:
297 case SVGA3D_DECLTYPE_USHORT4N:
300 case SVGA3D_DECLTYPE_UDEC3:
303 case SVGA3D_DECLTYPE_DEC3N:
306 case SVGA3D_DECLTYPE_FLOAT16_2:
309 case SVGA3D_DECLTYPE_FLOAT16_4:
318 assert(!stride || width <= stride);
319 if (max_index != ~0) {
320 assert(offset + (index_bias + max_index) * stride + width <= size);
324 assert(range->indexWidth == range->indexArray.stride);
327 unsigned size = ib->width0;
328 unsigned offset = range->indexArray.offset;
329 unsigned stride = range->indexArray.stride;
333 assert(offset < size);
336 switch (range->primType) {
337 case SVGA3D_PRIMITIVE_POINTLIST:
338 count = range->primitiveCount;
340 case SVGA3D_PRIMITIVE_LINELIST:
341 count = range->primitiveCount * 2;
343 case SVGA3D_PRIMITIVE_LINESTRIP:
344 count = range->primitiveCount + 1;
346 case SVGA3D_PRIMITIVE_TRIANGLELIST:
347 count = range->primitiveCount * 3;
349 case SVGA3D_PRIMITIVE_TRIANGLESTRIP:
350 count = range->primitiveCount + 2;
352 case SVGA3D_PRIMITIVE_TRIANGLEFAN:
353 count = range->primitiveCount + 2;
361 assert(offset + count*stride <= size);
366 if (hwtnl->cmd.prim_count+1 >= QSZ) {
367 ret = svga_hwtnl_flush( hwtnl );
372 /* min/max indices are relative to bias */
373 hwtnl->cmd.min_index[hwtnl->cmd.prim_count] = min_index;
374 hwtnl->cmd.max_index[hwtnl->cmd.prim_count] = max_index;
376 hwtnl->cmd.prim[hwtnl->cmd.prim_count] = *range;
378 pipe_resource_reference(&hwtnl->cmd.prim_ib[hwtnl->cmd.prim_count], ib);
379 hwtnl->cmd.prim_count++;