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Add env variable to put data into a different section

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This also makes sixtyfps::Slice Send and Sync
This commit is contained in:
Olivier Goffart 2022-06-18 08:08:22 +02:00 • committed by Olivier Goffart
parent 474eb3482e
commit 00583ade05
4 changed files with 56 additions and 13 deletions
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52
internal/compiler/generator/rust.rs
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@ -141,6 +141,9 @@ pub fn generate(doc: &Document) -> TokenStream {
std::iter::once(ident(&glob.name)).chain(glob.aliases.iter().map(|x| ident(x)))
});
let link_section =
std::env::var("SLINT_ASSET_SECTION").ok().map(|section| quote!(#[link_section = #section]));
let resource_symbols = doc.root_component
.embedded_file_resources
.borrow()
@ -163,11 +166,16 @@ pub fn generate(doc: &Document) -> TokenStream {
} else {
quote!(slint::re_exports::Color::from_argb_encoded(0))
};
let symbol_data = format_ident!("SLINT_EMBEDDED_RESOURCE_{}_DATA", er.id);
let data_size = data.len();
quote!(
const #symbol: slint::re_exports::ImageInner = slint::re_exports::ImageInner::StaticTextures(&slint::re_exports::StaticTextures{
#link_section
static #symbol_data : [u8; #data_size]= [#(#data),*];
#link_section
static #symbol: slint::re_exports::StaticTextures = slint::re_exports::StaticTextures{
size: slint::re_exports::IntSize::new(#width as _, #height as _),
original_size: slint::re_exports::IntSize::new(#unscaled_width as _, #unscaled_height as _),
data: Slice::from_slice(&[#(#data),*]),
data: Slice::from_slice(&#symbol_data),
textures: Slice::from_slice(&[
slint::re_exports::StaticTexture {
rect: slint::re_exports::euclid::rect(#r_x as _, #r_y as _, #r_w as _, #r_h as _),
@ -176,15 +184,21 @@ pub fn generate(doc: &Document) -> TokenStream {
index: 0,
}
])
});
};
)
},
crate::embedded_resources::EmbeddedResourcesKind::BitmapFontData(crate::embedded_resources::BitmapFont { family_name, character_map, units_per_em, ascent, descent, glyphs }) => {
let character_map = character_map.iter().map(|crate::embedded_resources::CharacterMapEntry{code_point, glyph_index}| quote!(slint::re_exports::CharacterMapEntry { code_point: #code_point, glyph_index: #glyph_index }));
let character_map_size = character_map.len();
let character_map = character_map.iter().map(|crate::embedded_resources::CharacterMapEntry{code_point, glyph_index}| quote!(slint::re_exports::CharacterMapEntry { code_point: #code_point, glyph_index: #glyph_index }));
let glyphs_size = glyphs.len();
let glyphs = glyphs.iter().map(|crate::embedded_resources::BitmapGlyphs{pixel_size, glyph_data}| {
let glyph_data_size = glyph_data.len();
let glyph_data = glyph_data.iter().map(|crate::embedded_resources::BitmapGlyph{x, y, width, height, x_advance, data}|{
let data_size = data.len();
quote!(
slint::re_exports::BitmapGlyph {
x: #x,
@ -192,7 +206,11 @@ pub fn generate(doc: &Document) -> TokenStream {
width: #width,
height: #height,
x_advance: #x_advance,
data: Slice::from_slice(&[#(#data),*]),
data: Slice::from_slice({
#link_section
static DATA : [u8; #data_size] = [#(#data),*];
&DATA
}),
}
)
});
@ -200,19 +218,33 @@ pub fn generate(doc: &Document) -> TokenStream {
quote!(
slint::re_exports::BitmapGlyphs {
pixel_size: #pixel_size,
glyph_data: Slice::from_slice(&[#(#glyph_data),*]),
glyph_data: Slice::from_slice({
#link_section
static GDATA : [slint::re_exports::BitmapGlyph; #glyph_data_size] = [#(#glyph_data),*];
&GDATA
}),
}
)
});
quote!(
const #symbol: slint::re_exports::BitmapFont = slint::re_exports::BitmapFont {
#link_section
static #symbol: slint::re_exports::BitmapFont = slint::re_exports::BitmapFont {
family_name: Slice::from_slice(#family_name.as_bytes()),
character_map: Slice::from_slice(&[#(#character_map),*]),
character_map: Slice::from_slice({
#link_section
static CM : [slint::re_exports::CharacterMapEntry; #character_map_size] = [#(#character_map),*];
&CM
}),
units_per_em: #units_per_em,
ascent: #ascent,
descent: #descent,
glyphs: Slice::from_slice(&[#(#glyphs),*])
glyphs: Slice::from_slice({
#link_section
static GLYPHS : [slint::re_exports::BitmapGlyphs; #glyphs_size] = [#(#glyphs),*];
&GLYPHS
})
};
)
},
@ -1800,7 +1832,7 @@ fn compile_expression(expr: &Expression, ctx: &EvaluationContext) -> TokenStream
crate::expression_tree::ImageReference::EmbeddedTexture { resource_id } => {
let symbol = format_ident!("SLINT_EMBEDDED_RESOURCE_{}", resource_id);
quote!(
slint::re_exports::Image::from(#symbol)
slint::re_exports::Image::from(slint::re_exports::ImageInner::StaticTextures(&#symbol))
)
}
},