revert between 56095 -> 55830 in arch
[AROS.git] / workbench / libs / mesa / src / gallium / drivers / softpipe / sp_state_so.c
blobddfa3ef765aa26c3a67c43bf9092aafc64c9e170
1 /**************************************************************************
3 * Copyright 2010 VMware, Inc.
4 * All Rights Reserved.
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
16 * of the Software.
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 TUNGSTEN GRAPHICS 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 "sp_context.h"
29 #include "sp_state.h"
30 #include "sp_texture.h"
32 #include "util/u_format.h"
33 #include "util/u_memory.h"
34 #include "draw/draw_context.h"
37 static void *
38 softpipe_create_stream_output_state(struct pipe_context *pipe,
39 const struct pipe_stream_output_state *templ)
41 struct sp_so_state *so;
42 so = (struct sp_so_state *) CALLOC_STRUCT(sp_so_state);
44 if (so) {
45 so->base.num_outputs = templ->num_outputs;
46 so->base.stride = templ->stride;
47 memcpy(so->base.output_buffer,
48 templ->output_buffer,
49 sizeof(int) * templ->num_outputs);
50 memcpy(so->base.register_index,
51 templ->register_index,
52 sizeof(int) * templ->num_outputs);
53 memcpy(so->base.register_mask,
54 templ->register_mask,
55 sizeof(ubyte) * templ->num_outputs);
57 return so;
61 static void
62 softpipe_bind_stream_output_state(struct pipe_context *pipe,
63 void *so)
65 struct softpipe_context *softpipe = softpipe_context(pipe);
66 struct sp_so_state *sp_so = (struct sp_so_state *) so;
68 softpipe->so = sp_so;
70 softpipe->dirty |= SP_NEW_SO;
72 if (sp_so)
73 draw_set_so_state(softpipe->draw, &sp_so->base);
77 static void
78 softpipe_delete_stream_output_state(struct pipe_context *pipe, void *so)
80 FREE( so );
84 static void
85 softpipe_set_stream_output_buffers(struct pipe_context *pipe,
86 struct pipe_resource **buffers,
87 int *offsets,
88 int num_buffers)
90 struct softpipe_context *softpipe = softpipe_context(pipe);
91 int i;
92 void *map_buffers[PIPE_MAX_SO_BUFFERS];
94 assert(num_buffers <= PIPE_MAX_SO_BUFFERS);
95 if (num_buffers > PIPE_MAX_SO_BUFFERS)
96 num_buffers = PIPE_MAX_SO_BUFFERS;
98 softpipe->dirty |= SP_NEW_SO_BUFFERS;
100 for (i = 0; i < num_buffers; ++i) {
101 void *mapped;
102 struct softpipe_resource *res = softpipe_resource(buffers[i]);
104 if (!res) {
105 /* the whole call is invalid, bail out */
106 softpipe->so_target.num_buffers = 0;
107 draw_set_mapped_so_buffers(softpipe->draw, 0, 0);
108 return;
111 softpipe->so_target.buffer[i] = res;
112 softpipe->so_target.offset[i] = offsets[i];
113 softpipe->so_target.so_count[i] = 0;
115 mapped = res->data;
116 if (offsets[i] >= 0)
117 map_buffers[i] = ((char*)mapped) + offsets[i];
118 else {
119 /* this is a buffer append */
120 assert(!"appending not implemented");
121 map_buffers[i] = mapped;
124 softpipe->so_target.num_buffers = num_buffers;
126 draw_set_mapped_so_buffers(softpipe->draw, map_buffers, num_buffers);
131 void
132 softpipe_init_streamout_funcs(struct pipe_context *pipe)
134 pipe->create_stream_output_state = softpipe_create_stream_output_state;
135 pipe->bind_stream_output_state = softpipe_bind_stream_output_state;
136 pipe->delete_stream_output_state = softpipe_delete_stream_output_state;
138 pipe->set_stream_output_buffers = softpipe_set_stream_output_buffers;