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_inlines.h"
27 #include "pipe/p_defines.h"
28 #include "util/u_math.h"
29 #include "util/u_upload_mgr.h"
31 #include "svga_context.h"
32 #include "svga_state.h"
33 #include "svga_draw.h"
34 #include "svga_tgsi.h"
35 #include "svga_screen.h"
36 #include "svga_screen_buffer.h"
38 #include "svga_hw_reg.h"
42 upload_user_buffers( struct svga_context *svga )
44 enum pipe_error ret = PIPE_OK;
49 debug_printf("%s: %d\n", __FUNCTION__, svga->curr.num_vertex_buffers);
51 nr = svga->curr.num_vertex_buffers;
53 for (i = 0; i < nr; i++)
55 if (svga_buffer_is_user_buffer(svga->curr.vb[i].buffer))
57 struct pipe_buffer *upload_buffer = NULL;
58 unsigned offset = /*svga->curr.vb[i].buffer_offset*/ 0;
59 unsigned size = svga->curr.vb[i].buffer->size /*- offset*/;
60 unsigned upload_offset;
62 ret = u_upload_buffer( svga->upload_vb,
65 svga->curr.vb[i].buffer,
72 debug_printf("%s: %d: orig buf %p upl buf %p ofs %d sz %d\n",
75 svga->curr.vb[i].buffer,
76 upload_buffer, upload_offset, size);
78 /* Make sure we release the old buffer and end up with the
79 * correct refcount on the uploaded buffer.
81 pipe_buffer_reference( &svga->curr.vb[i].buffer, NULL );
82 svga->curr.vb[i].buffer = upload_buffer;
83 svga->curr.vb[i].buffer_offset = upload_offset;
88 debug_printf("%s: DONE\n", __FUNCTION__);
94 /***********************************************************************
98 static int emit_hw_vs_vdecl( struct svga_context *svga,
101 const struct pipe_vertex_element *ve = svga->curr.ve;
102 SVGA3dVertexDecl decl;
105 assert(svga->curr.num_vertex_elements >=
106 svga->curr.vs->base.info.file_count[TGSI_FILE_INPUT]);
108 svga_hwtnl_reset_vdecl( svga->hwtnl,
109 svga->curr.num_vertex_elements );
111 for (i = 0; i < svga->curr.num_vertex_elements; i++) {
112 const struct pipe_vertex_buffer *vb = &svga->curr.vb[ve[i].vertex_buffer_index];
113 unsigned usage, index;
116 svga_generate_vdecl_semantics( i, &usage, &index );
120 decl.identity.type = svga->state.sw.ve_format[i];
121 decl.identity.method = SVGA3D_DECLMETHOD_DEFAULT;
122 decl.identity.usage = usage;
123 decl.identity.usageIndex = index;
124 decl.array.stride = vb->stride;
125 decl.array.offset = (vb->buffer_offset +
128 svga_hwtnl_vdecl( svga->hwtnl,
138 static int emit_hw_vdecl( struct svga_context *svga,
143 /* SVGA_NEW_NEED_SWTNL
145 if (svga->state.sw.need_swtnl)
146 return 0; /* Do not emit during swtnl */
148 /* If we get to here, we know that we're going to draw. Upload
149 * userbuffers now and try to combine multiple userbuffers from
150 * multiple draw calls into a single host buffer for performance.
152 if (svga->curr.any_user_vertex_buffers &&
153 SVGA_COMBINE_USERBUFFERS)
155 ret = upload_user_buffers( svga );
159 svga->curr.any_user_vertex_buffers = FALSE;
162 return emit_hw_vs_vdecl( svga, dirty );
166 struct svga_tracked_state svga_hw_vdecl =
168 "hw vertex decl state (hwtnl version)",
169 ( SVGA_NEW_NEED_SWTNL |