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                                       const struct pipe_image_view *images)
34{
35   struct softpipe_context *softpipe = softpipe_context(pipe);
36   unsigned i;
37   assert(shader < PIPE_SHADER_TYPES);
38   assert(start + num <= ARRAY_SIZE(softpipe->sampler_views[shader]));
39
40   /* set the new images */
41   for (i = 0; i < num; i++) {
42      int idx = start + i;
43
44      if (images) {
45         pipe_resource_reference(&softpipe->tgsi.image[shader]->sp_iview[idx].resource, images[i].resource);
46         softpipe->tgsi.image[shader]->sp_iview[idx] = images[i];
47      }
48      else {
49         pipe_resource_reference(&softpipe->tgsi.image[shader]->sp_iview[idx].resource, NULL);
50         memset(&softpipe->tgsi.image[shader]->sp_iview[idx], 0, sizeof(struct pipe_image_view));
51      }
52   }
53}
54
55static void softpipe_set_shader_buffers(struct pipe_context *pipe,
56                                        enum pipe_shader_type shader,
57                                        unsigned start,
58                                        unsigned num,
59                                        const struct pipe_shader_buffer *buffers,
60                                        unsigned writable_bitmask)
61{
62   struct softpipe_context *softpipe = softpipe_context(pipe);
63   unsigned i;
64   assert(shader < PIPE_SHADER_TYPES);
65   assert(start + num <= ARRAY_SIZE(softpipe->buffers[shader]));
66
67   /* set the new images */
68   for (i = 0; i < num; i++) {
69      int idx = start + i;
70
71      if (buffers) {
72         pipe_resource_reference(&softpipe->tgsi.buffer[shader]->sp_bview[idx].buffer, buffers[i].buffer);
73         softpipe->tgsi.buffer[shader]->sp_bview[idx] = buffers[i];
74      }
75      else {
76         pipe_resource_reference(&softpipe->tgsi.buffer[shader]->sp_bview[idx].buffer, NULL);
77         memset(&softpipe->tgsi.buffer[shader]->sp_bview[idx], 0, sizeof(struct pipe_shader_buffer));
78      }
79   }
80}
81
82void softpipe_init_image_funcs(struct pipe_context *pipe)
83{
84   pipe->set_shader_images = softpipe_set_shader_images;
85   pipe->set_shader_buffers = softpipe_set_shader_buffers;
86}
87