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
|
use mesa_rust_gen::*;
use std::ptr;
pub struct PipeResource {
pipe: *mut pipe_resource,
pub is_user: bool,
}
// Image dimensions provide by application to be used in both
// image and sampler views when image is created from buffer
#[derive(PartialEq, Eq)]
pub struct AppImgInfo {
row_stride: u32,
width: u32,
height: u32,
}
impl AppImgInfo {
pub fn new(row_stride: u32, width: u32, height: u32) -> AppImgInfo {
AppImgInfo {
row_stride: row_stride,
width: width,
height: height,
}
}
}
impl PipeResource {
pub fn new(res: *mut pipe_resource, is_user: bool) -> Option<Self> {
if res.is_null() {
return None;
}
Some(Self {
pipe: res,
is_user: is_user,
})
}
pub(super) fn pipe(&self) -> *mut pipe_resource {
self.pipe
}
fn as_ref(&self) -> &pipe_resource {
unsafe { self.pipe.as_ref().unwrap() }
}
pub fn width(&self) -> u32 {
unsafe { self.pipe.as_ref().unwrap().width0 }
}
pub fn height(&self) -> u16 {
unsafe { self.pipe.as_ref().unwrap().height0 }
}
pub fn depth(&self) -> u16 {
unsafe { self.pipe.as_ref().unwrap().depth0 }
}
pub fn array_size(&self) -> u16 {
unsafe { self.pipe.as_ref().unwrap().array_size }
}
pub fn is_buffer(&self) -> bool {
self.as_ref().target() == pipe_texture_target::PIPE_BUFFER
}
pub fn is_linear(&self) -> bool {
self.as_ref().bind & PIPE_BIND_LINEAR != 0
}
pub fn is_staging(&self) -> bool {
self.as_ref().usage() & pipe_resource_usage::PIPE_USAGE_STAGING.0 != 0
}
pub fn pipe_image_view(
&self,
format: pipe_format,
read_write: bool,
app_img_info: Option<&AppImgInfo>,
) -> pipe_image_view {
let u = if let Some(app_img_info) = app_img_info {
pipe_image_view__bindgen_ty_1 {
tex2d_from_buf: pipe_image_view__bindgen_ty_1__bindgen_ty_3 {
offset: 0,
row_stride: app_img_info.row_stride as u16,
width: app_img_info.width as u16,
height: app_img_info.height as u16,
},
}
} else if self.is_buffer() {
pipe_image_view__bindgen_ty_1 {
buf: pipe_image_view__bindgen_ty_1__bindgen_ty_2 {
offset: 0,
size: self.as_ref().width0,
},
}
} else {
let mut tex = pipe_image_view__bindgen_ty_1__bindgen_ty_1::default();
tex.set_level(0);
tex.set_first_layer(0);
if self.as_ref().target() == pipe_texture_target::PIPE_TEXTURE_3D {
tex.set_last_layer((self.as_ref().depth0 - 1).into());
} else if self.as_ref().array_size > 0 {
tex.set_last_layer((self.as_ref().array_size - 1).into());
} else {
tex.set_last_layer(0);
}
pipe_image_view__bindgen_ty_1 { tex: tex }
};
let shader_access = if read_write {
PIPE_IMAGE_ACCESS_READ_WRITE
} else {
PIPE_IMAGE_ACCESS_WRITE
} as u16;
let access = if app_img_info.is_some() {
PIPE_IMAGE_ACCESS_TEX2D_FROM_BUFFER
} else {
0
} as u16;
pipe_image_view {
resource: self.pipe(),
format: format,
access: access,
shader_access: shader_access,
u: u,
}
}
pub fn pipe_sampler_view_template(
&self,
format: pipe_format,
app_img_info: Option<&AppImgInfo>,
) -> pipe_sampler_view {
let mut res = pipe_sampler_view::default();
unsafe {
u_sampler_view_default_template(&mut res, self.pipe, format);
}
if let Some(app_img_info) = app_img_info {
res.u.tex2d_from_buf.offset = 0;
res.u.tex2d_from_buf.row_stride = app_img_info.row_stride as u16;
res.u.tex2d_from_buf.width = app_img_info.width as u16;
res.u.tex2d_from_buf.height = app_img_info.height as u16;
res.set_is_tex2d_from_buf(true);
} else if res.target() == pipe_texture_target::PIPE_BUFFER {
res.u.buf.offset = 0;
res.u.buf.size = self.as_ref().width0;
}
res
}
}
impl Drop for PipeResource {
fn drop(&mut self) {
unsafe { pipe_resource_reference(&mut self.pipe, ptr::null_mut()) }
}
}
|
