1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/**************************************************************************
*
* Copyright 2019 Sonny Jiang <sonnyj608@gmail.com>
* Copyright 2019 Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "pipe/p_context.h"
#include "pipe/p_state.h"
#include "u_bitcast.h"
#include "u_format.h"
#include "u_sampler.h"
#include "tgsi/tgsi_text.h"
#include "tgsi/tgsi_ureg.h"
#include "u_inlines.h"
#include "u_compute.h"
static void *blit_compute_shader(struct pipe_context *ctx)
{
static const char text[] =
"COMP\n"
"PROPERTY CS_FIXED_BLOCK_WIDTH 64\n"
"PROPERTY CS_FIXED_BLOCK_HEIGHT 1\n"
"PROPERTY CS_FIXED_BLOCK_DEPTH 1\n"
"DCL SV[0], THREAD_ID\n"
"DCL SV[1], BLOCK_ID\n"
"DCL IMAGE[0], 2D_ARRAY, PIPE_FORMAT_R32G32B32A32_FLOAT, WR\n"
"DCL SAMP[0]\n"
"DCL SVIEW[0], 2D_ARRAY, FLOAT\n"
"DCL CONST[0][0..2]\n" // 0:xyzw 1:xyzw
"DCL TEMP[0..4], LOCAL\n"
"IMM[0] UINT32 {64, 1, 0, 0}\n"
"UMAD TEMP[0].xyz, SV[1].xyzz, IMM[0].xyyy, SV[0].xyzz\n"
"U2F TEMP[1].xyz, TEMP[0]\n"
"MAD TEMP[2].xyz, TEMP[1], CONST[0][1], CONST[0][0]\n"
"TEX_LZ TEMP[3], TEMP[2], SAMP[0], 2D_ARRAY\n"
"UADD TEMP[4].xyz, TEMP[0], CONST[0][2]\n"
"STORE IMAGE[0], TEMP[4], TEMP[3], 2D_ARRAY, PIPE_FORMAT_R32G32B32A32_FLOAT\n"
"END\n";
struct tgsi_token tokens[1024];
struct pipe_compute_state state = {0};
if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens))) {
assert(false);
return NULL;
}
state.ir_type = PIPE_SHADER_IR_TGSI;
state.prog = tokens;
return ctx->create_compute_state(ctx, &state);
}
void util_compute_blit(struct pipe_context *ctx, struct pipe_blit_info *blit_info,
void **compute_state)
{
if (blit_info->src.box.width == 0 || blit_info->src.box.height == 0 ||
blit_info->dst.box.width == 0 || blit_info->dst.box.height == 0)
return;
struct pipe_resource *src = blit_info->src.resource;
struct pipe_resource *dst = blit_info->dst.resource;
struct pipe_sampler_view src_templ = {0}, *src_view;
void *sampler_state_p;
unsigned width = blit_info->dst.box.width;
unsigned height = blit_info->dst.box.height;
float x_scale = blit_info->src.box.width / (float)blit_info->dst.box.width;
float y_scale = blit_info->src.box.height / (float)blit_info->dst.box.height;
float z_scale = blit_info->src.box.depth / (float)blit_info->dst.box.depth;
unsigned data[] = {u_bitcast_f2u((blit_info->src.box.x + 0.5) / (float)src->width0),
u_bitcast_f2u((blit_info->src.box.y + 0.5) / (float)src->height0),
u_bitcast_f2u(blit_info->src.box.z),
u_bitcast_f2u(0),
u_bitcast_f2u(x_scale / src->width0),
u_bitcast_f2u(y_scale / src->height0),
u_bitcast_f2u(z_scale),
u_bitcast_f2u(0),
blit_info->dst.box.x,
blit_info->dst.box.y,
blit_info->dst.box.z,
0};
struct pipe_constant_buffer cb = {0};
cb.buffer_size = sizeof(data);
cb.user_buffer = data;
ctx->set_constant_buffer(ctx, PIPE_SHADER_COMPUTE, 0, &cb);
struct pipe_image_view image = {0};
image.resource = dst;
image.shader_access = image.access = PIPE_IMAGE_ACCESS_WRITE;
image.format = util_format_linear(blit_info->dst.format);
image.u.tex.level = blit_info->dst.level;
image.u.tex.first_layer = 0;
image.u.tex.last_layer = (unsigned)(dst->array_size - 1);
ctx->set_shader_images(ctx, PIPE_SHADER_COMPUTE, 0, 1, &image);
/* Initialize the sampler view. */
u_sampler_view_default_template(&src_templ, src, src->format);
src_templ.format = util_format_linear(blit_info->src.format);
src_view = ctx->create_sampler_view(ctx, src, &src_templ);
ctx->set_sampler_views(ctx, PIPE_SHADER_COMPUTE, 0, 1, &src_view);
struct pipe_sampler_state sampler_state={0};
sampler_state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler_state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler_state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler_state.normalized_coords = 1;
if (blit_info->filter == PIPE_TEX_FILTER_LINEAR) {
sampler_state.min_img_filter = PIPE_TEX_FILTER_LINEAR;
sampler_state.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
}
sampler_state_p = ctx->create_sampler_state(ctx, &sampler_state);
ctx->bind_sampler_states(ctx, PIPE_SHADER_COMPUTE, 0, 1, &sampler_state_p);
if (!*compute_state)
*compute_state = blit_compute_shader(ctx);
ctx->bind_compute_state(ctx, *compute_state);
struct pipe_grid_info grid_info = {0};
grid_info.block[0] = 64;
grid_info.last_block[0] = width % 64;
grid_info.block[1] = 1;
grid_info.block[2] = 1;
grid_info.grid[0] = DIV_ROUND_UP(width, 64);
grid_info.grid[1] = height;
grid_info.grid[2] = 1;
ctx->launch_grid(ctx, &grid_info);
ctx->memory_barrier(ctx, PIPE_BARRIER_ALL);
ctx->set_shader_images(ctx, PIPE_SHADER_COMPUTE, 0, 1, NULL);
ctx->set_constant_buffer(ctx, PIPE_SHADER_COMPUTE, 0, NULL);
ctx->set_sampler_views(ctx, PIPE_SHADER_COMPUTE, 0, 1, NULL);
pipe_sampler_view_reference(&src_view, NULL);
ctx->delete_sampler_state(ctx, sampler_state_p);
ctx->bind_compute_state(ctx, NULL);
}
|
