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
|
/**************************************************************************/
/* image_compress_betsy.h */
/**************************************************************************/
/* This file is part of: */
/* REDOT ENGINE */
/* https://redotengine.org */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors */
/* (see REDOT_AUTHORS.md) */
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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, sublicense, 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 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 NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 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. */
/**************************************************************************/
#ifndef IMAGE_COMPRESS_BETSY_H
#define IMAGE_COMPRESS_BETSY_H
#include "core/io/image.h"
#include "core/object/worker_thread_pool.h"
#include "core/os/thread.h"
#include "core/templates/command_queue_mt.h"
#include "servers/rendering/rendering_device_binds.h"
#include "servers/rendering/rendering_server_default.h"
#if defined(VULKAN_ENABLED)
#include "drivers/vulkan/rendering_context_driver_vulkan.h"
#endif
#if defined(METAL_ENABLED)
#include "drivers/metal/rendering_context_driver_metal.h"
#endif
enum BetsyFormat {
BETSY_FORMAT_BC1,
BETSY_FORMAT_BC1_DITHER,
BETSY_FORMAT_BC3,
BETSY_FORMAT_BC4_SIGNED,
BETSY_FORMAT_BC4_UNSIGNED,
BETSY_FORMAT_BC6_SIGNED,
BETSY_FORMAT_BC6_UNSIGNED,
};
struct BC6PushConstant {
float sizeX;
float sizeY;
uint32_t padding[2];
};
struct BC1PushConstant {
uint32_t num_refines;
uint32_t padding[3];
};
struct BC4PushConstant {
uint32_t channel_idx;
uint32_t padding[3];
};
void free_device();
Error _betsy_compress_bptc(Image *r_img, Image::UsedChannels p_channels);
Error _betsy_compress_s3tc(Image *r_img, Image::UsedChannels p_channels);
class BetsyCompressor : public Object {
mutable CommandQueueMT command_queue;
bool exit = false;
WorkerThreadPool::TaskID task_id = WorkerThreadPool::INVALID_TASK_ID;
struct BetsyShader {
RID compiled;
RID pipeline;
};
// Resources shared by all compression formats.
RenderingDevice *compress_rd = nullptr;
RenderingContextDriver *compress_rcd = nullptr;
HashMap<String, BetsyShader> cached_shaders;
RID src_sampler;
// Format-specific resources.
RID dxt1_encoding_table_buffer;
void _init();
void _assign_mt_ids(WorkerThreadPool::TaskID p_pump_task_id);
void _thread_loop();
void _thread_exit();
Error _compress(BetsyFormat p_format, Image *r_img);
public:
void init();
void finish();
Error compress(BetsyFormat p_format, Image *r_img) {
Error err;
command_queue.push_and_ret(this, &BetsyCompressor::_compress, p_format, r_img, &err);
return err;
}
};
#endif // IMAGE_COMPRESS_BETSY_H
|
