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
|
/*************************************************************************/
/* vrs.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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. */
/*************************************************************************/
#include "vrs.h"
#include "../renderer_compositor_rd.h"
#include "../storage_rd/texture_storage.h"
#include "../uniform_set_cache_rd.h"
#include "servers/xr_server.h"
using namespace RendererRD;
VRS::VRS() {
{
Vector<String> vrs_modes;
vrs_modes.push_back("\n"); // VRS_DEFAULT
vrs_modes.push_back("\n#define MULTIVIEW\n"); // VRS_MULTIVIEW
vrs_shader.shader.initialize(vrs_modes);
if (!RendererCompositorRD::singleton->is_xr_enabled()) {
vrs_shader.shader.set_variant_enabled(VRS_MULTIVIEW, false);
}
vrs_shader.shader_version = vrs_shader.shader.version_create();
//use additive
for (int i = 0; i < VRS_MAX; i++) {
if (vrs_shader.shader.is_variant_enabled(i)) {
vrs_shader.pipelines[i].setup(vrs_shader.shader.version_get_shader(vrs_shader.shader_version, i), RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), RD::PipelineDepthStencilState(), RD::PipelineColorBlendState::create_disabled(), 0);
} else {
vrs_shader.pipelines[i].clear();
}
}
}
}
VRS::~VRS() {
vrs_shader.shader.version_free(vrs_shader.shader_version);
}
void VRS::copy_vrs(RID p_source_rd_texture, RID p_dest_framebuffer, bool p_multiview) {
UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton();
ERR_FAIL_NULL(uniform_set_cache);
MaterialStorage *material_storage = MaterialStorage::get_singleton();
ERR_FAIL_NULL(material_storage);
// setup our uniforms
RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED);
RD::Uniform u_source_rd_texture(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, Vector<RID>({ default_sampler, p_source_rd_texture }));
VRSMode mode = p_multiview ? VRS_MULTIVIEW : VRS_DEFAULT;
RID shader = vrs_shader.shader.version_get_shader(vrs_shader.shader_version, mode);
ERR_FAIL_COND(shader.is_null());
RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_dest_framebuffer, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_DISCARD, Vector<Color>());
RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, vrs_shader.pipelines[mode].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_dest_framebuffer)));
RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uniform_set_cache->get_cache(shader, 0, u_source_rd_texture), 0);
RD::get_singleton()->draw_list_bind_index_array(draw_list, material_storage->get_quad_index_array());
// RD::get_singleton()->draw_list_set_push_constant(draw_list, &vrs_shader.push_constant, sizeof(VRSPushConstant));
RD::get_singleton()->draw_list_draw(draw_list, true);
RD::get_singleton()->draw_list_end();
}
Size2i VRS::get_vrs_texture_size(const Size2i p_base_size) const {
// TODO we should find some way to store this properly, we're assuming 16x16 as this seems to be the standard but in our vrs_capacities we
// obtain a minimum and maximum size, and we should choose something within this range and then make sure that is consistently set when creating
// our frame buffer. Also it is important that we make the resulting size we calculate down below available to the end user so they know the size
// of the VRS buffer to supply.
Size2i texel_size = Size2i(16, 16);
int width = p_base_size.x / texel_size.x;
if (p_base_size.x % texel_size.x != 0) {
width++;
}
int height = p_base_size.y / texel_size.y;
if (p_base_size.y % texel_size.y != 0) {
height++;
}
return Size2i(width, height);
}
void VRS::update_vrs_texture(RID p_vrs_fb, RID p_render_target) {
TextureStorage *texture_storage = TextureStorage::get_singleton();
RS::ViewportVRSMode vrs_mode = texture_storage->render_target_get_vrs_mode(p_render_target);
if (vrs_mode != RS::VIEWPORT_VRS_DISABLED) {
RD::get_singleton()->draw_command_begin_label("VRS Setup");
// TODO figure out if image has changed since it was last copied so we can save some resources..
if (vrs_mode == RS::VIEWPORT_VRS_TEXTURE) {
RID vrs_texture = texture_storage->render_target_get_vrs_texture(p_render_target);
if (vrs_texture.is_valid()) {
RID rd_texture = texture_storage->texture_get_rd_texture(vrs_texture);
int layers = texture_storage->texture_get_layers(vrs_texture);
if (rd_texture.is_valid()) {
// Copy into our density buffer
copy_vrs(rd_texture, p_vrs_fb, layers > 1);
}
}
} else if (vrs_mode == RS::VIEWPORT_VRS_XR) {
Ref<XRInterface> interface = XRServer::get_singleton()->get_primary_interface();
if (interface.is_valid()) {
RID vrs_texture = interface->get_vrs_texture();
if (vrs_texture.is_valid()) {
RID rd_texture = texture_storage->texture_get_rd_texture(vrs_texture);
int layers = texture_storage->texture_get_layers(vrs_texture);
if (rd_texture.is_valid()) {
// Copy into our density buffer
copy_vrs(rd_texture, p_vrs_fb, layers > 1);
}
}
}
}
RD::get_singleton()->draw_command_end_label();
}
}
|