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
|
//! Wrapper around the RAL code in celeritas-core
use std::{os::raw::c_void, ptr};
use celeritas_sys::{
BufferHandle, GPU_CmdEncoder, GPU_CmdEncoder_BeginRender, GPU_CmdEncoder_EndRender,
GPU_GetDefaultEncoder, GPU_GetDefaultRenderpass, GPU_GraphicsPipeline_Create,
GraphicsPipelineDesc, ShaderData,
};
/// Holds a pointer to the raw `GPU_CmdEncoder`
pub struct FrameRenderEncoder(*mut GPU_CmdEncoder);
/// Holds a pointer to the raw `GPU_Renderpass`
pub struct RenderPass(*mut celeritas_sys::GPU_Renderpass);
/// Holds a pointer to the raw `GPU_Pipeline`
pub struct Pipeline(*mut celeritas_sys::GPU_Pipeline);
impl FrameRenderEncoder {
pub fn new(renderpass: &RenderPass) -> Self {
let enc = unsafe {
let enc = GPU_GetDefaultEncoder();
GPU_CmdEncoder_BeginRender(enc, renderpass.0);
enc
};
FrameRenderEncoder(enc)
}
}
impl Drop for FrameRenderEncoder {
fn drop(&mut self) {
unsafe {
GPU_CmdEncoder_EndRender(self.0);
}
}
}
impl FrameRenderEncoder {
pub fn set_vertex_buffer(&self, buf: BufferHandle) {
// TODO: Get buffer ptr from handle
// TODO: assert that buffer type is vertex
todo!()
}
pub fn set_index_buffer(&self, buf: BufferHandle) {
// TODO: Get buffer ptr from handle
// TODO: assert that buffer type is index
todo!()
}
}
pub struct PipelineBuilder {
renderpass: Option<RenderPass>,
data_layouts: Vec<()>,
}
impl PipelineBuilder {
// pub fn add_
pub fn build(self) -> Pipeline {
let shad = ShaderData {
get_layout: todo!(),
data: ptr::null_mut(),
};
let desc = GraphicsPipelineDesc {
debug_name: todo!(),
vertex_desc: todo!(),
vs: todo!(),
fs: todo!(),
data_layouts: todo!(),
data_layouts_count: todo!(),
wireframe: todo!(),
depth_test: todo!(),
};
let p = unsafe {
GPU_GraphicsPipeline_Create(
todo!(),
self.renderpass
.map(|r| r.0)
.unwrap_or(GPU_GetDefaultRenderpass()),
)
};
Pipeline(p)
}
}
// impl Default for PipelineBuilder {
// fn default() -> Self {
// Self {
// renderpass: Default::default(),
// }
// }
// }
// --- types
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
pub enum PrimitiveTopology {
Point,
Line,
Triangle,
}
impl From<celeritas_sys::PrimitiveTopology> for PrimitiveTopology {
fn from(value: celeritas_sys::PrimitiveTopology) -> Self {
match value {
celeritas_sys::PrimitiveTopology_PRIMITIVE_TOPOLOGY_POINT => PrimitiveTopology::Point,
celeritas_sys::PrimitiveTopology_PRIMITIVE_TOPOLOGY_LINE => PrimitiveTopology::Line,
celeritas_sys::PrimitiveTopology_PRIMITIVE_TOPOLOGY_TRIANGLE => {
PrimitiveTopology::Triangle
}
_ => unreachable!("enum conversion should be infallible"),
}
}
}
|
