1/*
2 * Copyright 2016 Red Hat.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24#include "sp_context.h"
25#include "sp_state.h"
26#include "sp_image.h"
27#include "sp_buffer.h"
28
29static void softpipe_set_shader_images(struct pipe_context *pipe,
30                                       enum pipe_shader_type shader,
31                                       unsigned start,
32                                       unsigned num,
33                                       unsigned unbind_num_trailing_slots,
34                                       const struct pipe_image_view *images)
35{
36   struct softpipe_context *softpipe = softpipe_context(pipe);
37   unsigned i;
38   assert(shader < PIPE_SHADER_TYPES);
39   assert(start + num <= ARRAY_SIZE(softpipe->sampler_views[shader]));
40
41   /* set the new images */
42   for (i = 0; i < num; i++) {
43      int idx = start + i;
44
45      if (images) {
46         pipe_resource_reference(&softpipe->tgsi.image[shader]->sp_iview[idx].resource, images[i].resource);
47         softpipe->tgsi.image[shader]->sp_iview[idx] = images[i];
48      }
49      else {
50         pipe_resource_reference(&softpipe->tgsi.image[shader]->sp_iview[idx].resource, NULL);
51         memset(&softpipe->tgsi.image[shader]->sp_iview[idx], 0, sizeof(struct pipe_image_view));
52      }
53   }
54
55   for (i = 0; i < unbind_num_trailing_slots; i++) {
56      int idx = start + num + i;
57
58      pipe_resource_reference(&softpipe->tgsi.image[shader]->sp_iview[idx].resource, NULL);
59      memset(&softpipe->tgsi.image[shader]->sp_iview[idx], 0, sizeof(struct pipe_image_view));
60   }
61}
62
63static void softpipe_set_shader_buffers(struct pipe_context *pipe,
64                                        enum pipe_shader_type shader,
65                                        unsigned start,
66                                        unsigned num,
67                                        const struct pipe_shader_buffer *buffers,
68                                        unsigned writable_bitmask)
69{
70   struct softpipe_context *softpipe = softpipe_context(pipe);
71   unsigned i;
72   assert(shader < PIPE_SHADER_TYPES);
73   assert(start + num <= ARRAY_SIZE(softpipe->buffers[shader]));
74
75   /* set the new images */
76   for (i = 0; i < num; i++) {
77      int idx = start + i;
78
79      if (buffers) {
80         pipe_resource_reference(&softpipe->tgsi.buffer[shader]->sp_bview[idx].buffer, buffers[i].buffer);
81         softpipe->tgsi.buffer[shader]->sp_bview[idx] = buffers[i];
82      }
83      else {
84         pipe_resource_reference(&softpipe->tgsi.buffer[shader]->sp_bview[idx].buffer, NULL);
85         memset(&softpipe->tgsi.buffer[shader]->sp_bview[idx], 0, sizeof(struct pipe_shader_buffer));
86      }
87   }
88}
89
90void softpipe_init_image_funcs(struct pipe_context *pipe)
91{
92   pipe->set_shader_images = softpipe_set_shader_images;
93   pipe->set_shader_buffers = softpipe_set_shader_buffers;
94}
95