1 /**************************************************************************
3 * Copyright 2010 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #include "lp_context.h"
30 #include "lp_texture.h"
32 #include "util/u_memory.h"
33 #include "draw/draw_context.h"
37 llvmpipe_create_stream_output_state(struct pipe_context *pipe,
38 const struct pipe_stream_output_state *templ)
40 struct lp_so_state *so;
41 so = (struct lp_so_state *) CALLOC_STRUCT(lp_so_state);
44 so->base.num_outputs = templ->num_outputs;
45 so->base.stride = templ->stride;
46 memcpy(so->base.output_buffer,
48 sizeof(int) * templ->num_outputs);
49 memcpy(so->base.register_index,
50 templ->register_index,
51 sizeof(int) * templ->num_outputs);
52 memcpy(so->base.register_mask,
54 sizeof(ubyte) * templ->num_outputs);
60 llvmpipe_bind_stream_output_state(struct pipe_context *pipe,
63 struct llvmpipe_context *lp = llvmpipe_context(pipe);
64 struct lp_so_state *lp_so = (struct lp_so_state *) so;
68 lp->dirty |= LP_NEW_SO;
71 draw_set_so_state(lp->draw, &lp_so->base);
75 llvmpipe_delete_stream_output_state(struct pipe_context *pipe, void *so)
81 llvmpipe_set_stream_output_buffers(struct pipe_context *pipe,
82 struct pipe_resource **buffers,
86 struct llvmpipe_context *lp = llvmpipe_context(pipe);
88 void *map_buffers[PIPE_MAX_SO_BUFFERS];
90 assert(num_buffers <= PIPE_MAX_SO_BUFFERS);
91 if (num_buffers > PIPE_MAX_SO_BUFFERS)
92 num_buffers = PIPE_MAX_SO_BUFFERS;
94 lp->dirty |= LP_NEW_SO_BUFFERS;
96 for (i = 0; i < num_buffers; ++i) {
98 struct llvmpipe_resource *res = llvmpipe_resource(buffers[i]);
101 /* the whole call is invalid, bail out */
102 lp->so_target.num_buffers = 0;
103 draw_set_mapped_so_buffers(lp->draw, 0, 0);
107 lp->so_target.buffer[i] = res;
108 lp->so_target.offset[i] = offsets[i];
109 lp->so_target.so_count[i] = 0;
113 map_buffers[i] = ((char*)mapped) + offsets[i];
115 /* this is a buffer append */
116 assert(!"appending not implemented");
117 map_buffers[i] = mapped;
120 lp->so_target.num_buffers = num_buffers;
122 draw_set_mapped_so_buffers(lp->draw, map_buffers, num_buffers);
126 llvmpipe_init_so_funcs(struct llvmpipe_context *llvmpipe)
128 llvmpipe->pipe.create_stream_output_state =
129 llvmpipe_create_stream_output_state;
130 llvmpipe->pipe.bind_stream_output_state =
131 llvmpipe_bind_stream_output_state;
132 llvmpipe->pipe.delete_stream_output_state =
133 llvmpipe_delete_stream_output_state;
135 llvmpipe->pipe.set_stream_output_buffers =
136 llvmpipe_set_stream_output_buffers;