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
167
168
169
170
171
172
|
use ash::vk;
use fparkan_platform::RenderRequest;
use fparkan_render::{
canonical_capture, FrameOutput, RenderBackend, RenderCommandList, RenderError,
};
use crate::{
plan_vulkan_frame_submission, VulkanFrameSubmissionPlan, VulkanSurfaceFormat,
VulkanSwapchainPlan,
};
/// Vulkan backend migration readiness.
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum VulkanPlanningBackendState {
/// Planning facade is configured and able to accept command lists.
Configured,
/// Adapter is tracking a recoverable runtime surface/depth pipeline fault.
Degraded,
/// Adapter has encountered a non-recoverable error.
Error,
}
impl Default for VulkanPlanningBackendState {
fn default() -> Self {
Self::Configured
}
}
/// Diagnostics for planning-facade request tracking.
#[derive(Clone, Debug, PartialEq)]
pub struct VulkanPlanningRequestReport {
/// Last render request observed by the planning facade.
pub current_request: RenderRequest,
/// Number of meaningful request updates applied to the facade.
pub request_updates: u64,
}
impl Default for VulkanPlanningRequestReport {
fn default() -> Self {
Self {
current_request: RenderRequest::conservative(),
request_updates: 0,
}
}
}
/// Diagnostics for planning-facade execution telemetry.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct VulkanPlanningExecutionReport {
/// Total frames planned by the facade.
pub planned_frames: u64,
/// Total frame-submission plans emitted by the facade.
pub submission_plans: u64,
/// Last command-capture byte size.
pub last_capture_size: usize,
/// Number of simulated present calls issued by the planning facade.
pub simulated_presents: u64,
}
/// Diagnostics for Vulkan planning backend setup and frame progression.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct VulkanPlanningBackendReport {
/// Request-tracking telemetry.
pub request: VulkanPlanningRequestReport,
/// Execution-planning telemetry.
pub execution: VulkanPlanningExecutionReport,
/// Last deterministic frame submission plan.
pub last_frame_submission: Option<VulkanFrameSubmissionPlan>,
}
/// Vulkan planning backend facade used by the game entrypoint.
#[derive(Debug)]
pub struct VulkanPlanningBackend {
state: VulkanPlanningBackendState,
report: VulkanPlanningBackendReport,
swapchain_plan: VulkanSwapchainPlan,
}
impl Default for VulkanPlanningBackend {
fn default() -> Self {
Self::new()
}
}
impl VulkanPlanningBackend {
/// Creates a new Vulkan planning backend facade.
#[must_use]
pub fn new() -> Self {
Self {
state: VulkanPlanningBackendState::Configured,
report: VulkanPlanningBackendReport::default(),
swapchain_plan: default_stage0_swapchain_plan(),
}
}
/// Replaces active surface/profile request.
pub fn set_render_request(&mut self, request: RenderRequest) {
if self.report.request.current_request != request {
self.report.request.current_request = request;
self.report.request.request_updates =
self.report.request.request_updates.saturating_add(1);
}
}
/// Returns active render request policy.
#[must_use]
pub const fn render_request(&self) -> RenderRequest {
self.report.request.current_request
}
/// Replaces active swapchain plan used for frame submission planning.
pub fn set_swapchain_plan(&mut self, plan: VulkanSwapchainPlan) {
self.swapchain_plan = plan;
}
/// Returns active swapchain plan.
#[must_use]
pub const fn swapchain_plan(&self) -> &VulkanSwapchainPlan {
&self.swapchain_plan
}
/// Returns adapter state.
#[must_use]
pub const fn state(&self) -> VulkanPlanningBackendState {
self.state
}
/// Returns backend report.
#[must_use]
pub fn report(&self) -> &VulkanPlanningBackendReport {
&self.report
}
fn simulate_present(&mut self) {
self.report.execution.simulated_presents =
self.report.execution.simulated_presents.saturating_add(1);
}
}
impl RenderBackend for VulkanPlanningBackend {
fn execute(&mut self, commands: &RenderCommandList) -> Result<FrameOutput, RenderError> {
if !matches!(
self.state,
VulkanPlanningBackendState::Configured | VulkanPlanningBackendState::Degraded
) {
return Err(RenderError::InvalidRange);
}
let capture = canonical_capture(commands)?;
let frame_plan = plan_vulkan_frame_submission(&self.swapchain_plan, commands)?;
self.report.execution.planned_frames =
self.report.execution.planned_frames.saturating_add(1);
self.report.execution.submission_plans =
self.report.execution.submission_plans.saturating_add(1);
self.report.execution.last_capture_size = capture.len();
self.report.last_frame_submission = Some(frame_plan);
self.simulate_present();
Ok(FrameOutput)
}
}
fn default_stage0_swapchain_plan() -> VulkanSwapchainPlan {
VulkanSwapchainPlan {
schema: 1,
extent: (1, 1),
format: VulkanSurfaceFormat {
format: vk::Format::B8G8R8A8_SRGB.as_raw(),
color_space: vk::ColorSpaceKHR::SRGB_NONLINEAR.as_raw(),
},
present_mode: vk::PresentModeKHR::FIFO.as_raw(),
image_count: 2,
}
}
|
