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kms: Refactor out postprocessing helpers

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Victoria Brekenfeld 2025-03-19 14:15:47 +01:00 • committed by Victoria Brekenfeld
parent a748ea885e
commit 18335c6758
4 changed files with 236 additions and 118 deletions
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129
src/backend/kms/surface/mod.rs
View file

@ -3,7 +3,8 @@
use crate::{ use crate::{
backend::render::{ backend::render::{
element::{CosmicElement, DamageElement}, element::{CosmicElement, DamageElement},
init_shaders, output_elements, CursorMode, GlMultiRenderer, CLEAR_COLOR, init_shaders, output_elements, CursorMode, GlMultiRenderer, PostprocessOutputConfig,
PostprocessShader, PostprocessState, CLEAR_COLOR,
}, },
config::AdaptiveSync, config::AdaptiveSync,
shell::Shell, shell::Shell,
@ -24,7 +25,6 @@ use smithay::{
allocator::{ allocator::{
format::FormatSet, format::FormatSet,
gbm::{GbmAllocator, GbmDevice}, gbm::{GbmAllocator, GbmDevice},
Fourcc,
}, },
drm::{ drm::{
compositor::{BlitFrameResultError, FrameError, FrameFlags, PrimaryPlaneElement}, compositor::{BlitFrameResultError, FrameError, FrameFlags, PrimaryPlaneElement},
@ -34,9 +34,9 @@ use smithay::{
egl::EGLContext, egl::EGLContext,
renderer::{ renderer::{
buffer_dimensions, buffer_dimensions,
damage::{Error as RenderError, OutputDamageTracker}, damage::Error as RenderError,
element::{ element::{
texture::{TextureRenderBuffer, TextureRenderElement}, texture::TextureRenderElement,
utils::{constrain_render_elements, ConstrainAlign, ConstrainScaleBehavior}, utils::{constrain_render_elements, ConstrainAlign, ConstrainScaleBehavior},
Element, Kind, RenderElementStates, Element, Kind, RenderElementStates,
}, },
@ -63,7 +63,7 @@ use smithay::{
}, },
wayland_server::protocol::wl_surface::WlSurface, wayland_server::protocol::wl_surface::WlSurface,
}, },
utils::{Buffer as BufferCoords, Clock, Monotonic, Physical, Rectangle, Size, Transform}, utils::{Buffer as BufferCoords, Clock, Monotonic, Physical, Rectangle, Transform},
wayland::{ wayland::{
dmabuf::{get_dmabuf, DmabufFeedbackBuilder}, dmabuf::{get_dmabuf, DmabufFeedbackBuilder},
presentation::Refresh, presentation::Refresh,
@ -129,7 +129,7 @@ pub struct SurfaceThreadState {
output: Output, output: Output,
mirroring: Option<Output>, mirroring: Option<Output>,
mirroring_textures: HashMap<DrmNode, MirroringState>, postprocess_textures: HashMap<DrmNode, PostprocessState>,
shell: Arc<RwLock<Shell>>, shell: Arc<RwLock<Shell>>,
@ -140,76 +140,6 @@ pub struct SurfaceThreadState {
egui: EguiState, egui: EguiState,
} }
#[derive(Debug, PartialEq)]
struct MirroringOutputConfig {
size: Size<i32, Physical>,
fractional_scale: f64,
}
impl MirroringOutputConfig {
fn for_output_untransformed(output: &Output) -> Self {
Self {
// Apply inverse of output transform to mode size to get correct size
// for an untransformed render.
size: output.current_transform().invert().transform_size(
output
.current_mode()
.map(|mode| mode.size)
.unwrap_or_default(),
),
fractional_scale: output.current_scale().fractional_scale(),
}
}
fn for_output(output: &Output) -> Self {
Self {
size: output
.current_mode()
.map(|mode| mode.size)
.unwrap_or_default(),
fractional_scale: output.current_scale().fractional_scale(),
}
}
}
#[derive(Debug)]
struct MirroringState {
texture: TextureRenderBuffer<GlesTexture>,
damage_tracker: OutputDamageTracker,
output_config: MirroringOutputConfig,
}
impl MirroringState {
fn new_with_renderer(
renderer: &mut GlMultiRenderer,
format: Fourcc,
output_config: MirroringOutputConfig,
) -> Result<Self> {
let size = output_config.size;
let buffer_size = size.to_logical(1).to_buffer(1, Transform::Normal);
let opaque_regions = vec![Rectangle::from_size(buffer_size)];
let texture = Offscreen::<GlesTexture>::create_buffer(renderer, format, buffer_size)?;
let texture_buffer = TextureRenderBuffer::from_texture(
renderer,
texture,
1,
Transform::Normal,
Some(opaque_regions),
);
// Don't use `from_output` to avoid applying output transform
let damage_tracker =
OutputDamageTracker::new(size, output_config.fractional_scale, Transform::Normal);
Ok(MirroringState {
texture: texture_buffer,
damage_tracker,
output_config,
})
}
}
pub type GbmDrmOutput = DrmOutput< pub type GbmDrmOutput = DrmOutput<
GbmAllocator<DrmDeviceFd>, GbmAllocator<DrmDeviceFd>,
GbmDevice<DrmDeviceFd>, GbmDevice<DrmDeviceFd>,
@ -560,7 +490,7 @@ fn surface_thread(
output, output,
mirroring: None, mirroring: None,
mirroring_textures: HashMap::new(), postprocess_textures: HashMap::new(),
shell, shell,
loop_handle: event_loop.handle(), loop_handle: event_loop.handle(),
@ -1056,40 +986,45 @@ impl SurfaceThreadState {
}).unwrap_or_default(); }).unwrap_or_default();
// actual rendering // actual rendering
let res = if let Some(mirrored_output) = self.mirroring.as_ref().filter(|mirrored_output| { let source_output = self
MirroringOutputConfig::for_output_untransformed(mirrored_output) .mirroring
!= MirroringOutputConfig::for_output(&self.output) .as_ref()
}) { .filter(|output| {
let mirrored_output_config = PostprocessOutputConfig::for_output_untransformed(output)
MirroringOutputConfig::for_output_untransformed(mirrored_output); != PostprocessOutputConfig::for_output(&self.output)
let mirroring_state = match self.mirroring_textures.entry(self.target_node) { });
let res = if let Some(source_output) = source_output {
let offscreen_output_config =
PostprocessOutputConfig::for_output_untransformed(source_output);
let postprocess_state = match self.postprocess_textures.entry(self.target_node) {
hash_map::Entry::Occupied(occupied) => { hash_map::Entry::Occupied(occupied) => {
let mirroring_state = occupied.into_mut(); let postprocess_state = occupied.into_mut();
// If output config is different, re-create offscreen state // If output config is different, re-create offscreen state
if mirroring_state.output_config != mirrored_output_config { if postprocess_state.output_config != offscreen_output_config {
*mirroring_state = MirroringState::new_with_renderer( *postprocess_state = PostprocessState::new_with_renderer(
&mut renderer, &mut renderer,
compositor.format(), compositor.format(),
mirrored_output_config, offscreen_output_config,
)? )?
} }
mirroring_state postprocess_state
} }
hash_map::Entry::Vacant(vacant) => { hash_map::Entry::Vacant(vacant) => {
vacant.insert(MirroringState::new_with_renderer( vacant.insert(PostprocessState::new_with_renderer(
&mut renderer, &mut renderer,
compositor.format(), compositor.format(),
mirrored_output_config, offscreen_output_config,
)?) )?)
} }
}; };
mirroring_state postprocess_state
.texture .texture
.render() .render()
.draw::<_, <GlMultiRenderer as RendererSuper>::Error>(|tex| { .draw::<_, <GlMultiRenderer as RendererSuper>::Error>(|tex| {
let mut fb = renderer.bind(tex)?; let mut fb = renderer.bind(tex)?;
let res = match mirroring_state.damage_tracker.render_output( let res = match postprocess_state.damage_tracker.render_output(
&mut renderer, &mut renderer,
&mut fb, &mut fb,
1, 1,
@ -1103,7 +1038,7 @@ impl SurfaceThreadState {
renderer.wait(&res.sync)?; renderer.wait(&res.sync)?;
std::mem::drop(fb); std::mem::drop(fb);
let transform = mirrored_output.current_transform(); let transform = source_output.current_transform();
let area = tex.size().to_logical(1, transform); let area = tex.size().to_logical(1, transform);
Ok(res Ok(res
@ -1120,7 +1055,7 @@ impl SurfaceThreadState {
let texture_elem = TextureRenderElement::from_texture_render_buffer( let texture_elem = TextureRenderElement::from_texture_render_buffer(
(0., 0.), (0., 0.),
&mirroring_state.texture, &postprocess_state.texture,
Some(1.0), Some(1.0),
None, None,
None, None,
@ -1145,7 +1080,7 @@ impl SurfaceThreadState {
ConstrainAlign::CENTER, ConstrainAlign::CENTER,
1.0, 1.0,
) )
.map(CosmicElement::Mirror) .map(CosmicElement::Postprocess)
.collect::<Vec<_>>(); .collect::<Vec<_>>();
renderer = self.api.single_renderer(&self.target_node).unwrap(); renderer = self.api.single_renderer(&self.target_node).unwrap();
@ -1448,7 +1383,7 @@ impl SurfaceThreadState {
fn update_mirroring(&mut self, mirroring_output: Option<Output>) { fn update_mirroring(&mut self, mirroring_output: Option<Output>) {
self.mirroring = mirroring_output; self.mirroring = mirroring_output;
self.mirroring_textures.clear(); self.postprocess_textures.clear();
} }
fn send_frame_callbacks(&mut self) { fn send_frame_callbacks(&mut self) {

35
src/backend/render/element.rs
View file

@ -1,15 +1,16 @@
use crate::shell::{CosmicMappedRenderElement, WorkspaceRenderElement}; use crate::shell::{CosmicMappedRenderElement, WorkspaceRenderElement};
#[cfg(feature = "debug")]
use smithay::backend::renderer::{element::texture::TextureRenderElement, gles::GlesTexture};
use smithay::{ use smithay::{
backend::renderer::{ backend::renderer::{
element::{ element::{
memory::MemoryRenderBufferRenderElement, memory::MemoryRenderBufferRenderElement,
surface::WaylandSurfaceRenderElement, surface::WaylandSurfaceRenderElement,
texture::TextureRenderElement,
utils::{CropRenderElement, Relocate, RelocateRenderElement, RescaleRenderElement}, utils::{CropRenderElement, Relocate, RelocateRenderElement, RescaleRenderElement},
Element, Id, Kind, RenderElement, UnderlyingStorage, Element, Id, Kind, RenderElement, UnderlyingStorage,
}, },
gles::{GlesError, GlesTexture}, gles::{element::TextureShaderElement, GlesError},
glow::{GlowFrame, GlowRenderer}, glow::{GlowFrame, GlowRenderer},
utils::{CommitCounter, DamageSet, OpaqueRegions}, utils::{CommitCounter, DamageSet, OpaqueRegions},
ImportAll, ImportMem, Renderer, ImportAll, ImportMem, Renderer,
@ -32,10 +33,8 @@ where
Dnd(WaylandSurfaceRenderElement<R>), Dnd(WaylandSurfaceRenderElement<R>),
MoveGrab(RescaleRenderElement<CosmicMappedRenderElement<R>>), MoveGrab(RescaleRenderElement<CosmicMappedRenderElement<R>>),
AdditionalDamage(DamageElement), AdditionalDamage(DamageElement),
Mirror( Postprocess(
CropRenderElement< CropRenderElement<RelocateRenderElement<RescaleRenderElement<TextureShaderElement>>>,
RelocateRenderElement<RescaleRenderElement<TextureRenderElement<GlesTexture>>>,
>,
), ),
Zoom(MemoryRenderBufferRenderElement<R>), Zoom(MemoryRenderBufferRenderElement<R>),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
@ -55,7 +54,7 @@ where
CosmicElement::Dnd(elem) => elem.id(), CosmicElement::Dnd(elem) => elem.id(),
CosmicElement::MoveGrab(elem) => elem.id(), CosmicElement::MoveGrab(elem) => elem.id(),
CosmicElement::AdditionalDamage(elem) => elem.id(), CosmicElement::AdditionalDamage(elem) => elem.id(),
CosmicElement::Mirror(elem) => elem.id(), CosmicElement::Postprocess(elem) => elem.id(),
CosmicElement::Zoom(elem) => elem.id(), CosmicElement::Zoom(elem) => elem.id(),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
CosmicElement::Egui(elem) => elem.id(), CosmicElement::Egui(elem) => elem.id(),
@ -69,7 +68,7 @@ where
CosmicElement::Dnd(elem) => elem.current_commit(), CosmicElement::Dnd(elem) => elem.current_commit(),
CosmicElement::MoveGrab(elem) => elem.current_commit(), CosmicElement::MoveGrab(elem) => elem.current_commit(),
CosmicElement::AdditionalDamage(elem) => elem.current_commit(), CosmicElement::AdditionalDamage(elem) => elem.current_commit(),
CosmicElement::Mirror(elem) => elem.current_commit(), CosmicElement::Postprocess(elem) => elem.current_commit(),
CosmicElement::Zoom(elem) => elem.current_commit(), CosmicElement::Zoom(elem) => elem.current_commit(),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
CosmicElement::Egui(elem) => elem.current_commit(), CosmicElement::Egui(elem) => elem.current_commit(),
@ -83,7 +82,7 @@ where
CosmicElement::Dnd(elem) => elem.src(), CosmicElement::Dnd(elem) => elem.src(),
CosmicElement::MoveGrab(elem) => elem.src(), CosmicElement::MoveGrab(elem) => elem.src(),
CosmicElement::AdditionalDamage(elem) => elem.src(), CosmicElement::AdditionalDamage(elem) => elem.src(),
CosmicElement::Mirror(elem) => elem.src(), CosmicElement::Postprocess(elem) => elem.src(),
CosmicElement::Zoom(elem) => elem.src(), CosmicElement::Zoom(elem) => elem.src(),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
CosmicElement::Egui(elem) => elem.src(), CosmicElement::Egui(elem) => elem.src(),
@ -97,7 +96,7 @@ where
CosmicElement::Dnd(elem) => elem.geometry(scale), CosmicElement::Dnd(elem) => elem.geometry(scale),
CosmicElement::MoveGrab(elem) => elem.geometry(scale), CosmicElement::MoveGrab(elem) => elem.geometry(scale),
CosmicElement::AdditionalDamage(elem) => elem.geometry(scale), CosmicElement::AdditionalDamage(elem) => elem.geometry(scale),
CosmicElement::Mirror(elem) => elem.geometry(scale), CosmicElement::Postprocess(elem) => elem.geometry(scale),
CosmicElement::Zoom(elem) => elem.geometry(scale), CosmicElement::Zoom(elem) => elem.geometry(scale),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
CosmicElement::Egui(elem) => elem.geometry(scale), CosmicElement::Egui(elem) => elem.geometry(scale),
@ -111,7 +110,7 @@ where
CosmicElement::Dnd(elem) => elem.location(scale), CosmicElement::Dnd(elem) => elem.location(scale),
CosmicElement::MoveGrab(elem) => elem.location(scale), CosmicElement::MoveGrab(elem) => elem.location(scale),
CosmicElement::AdditionalDamage(elem) => elem.location(scale), CosmicElement::AdditionalDamage(elem) => elem.location(scale),
CosmicElement::Mirror(elem) => elem.location(scale), CosmicElement::Postprocess(elem) => elem.location(scale),
CosmicElement::Zoom(elem) => elem.location(scale), CosmicElement::Zoom(elem) => elem.location(scale),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
CosmicElement::Egui(elem) => elem.location(scale), CosmicElement::Egui(elem) => elem.location(scale),
@ -125,7 +124,7 @@ where
CosmicElement::Dnd(elem) => elem.transform(), CosmicElement::Dnd(elem) => elem.transform(),
CosmicElement::MoveGrab(elem) => elem.transform(), CosmicElement::MoveGrab(elem) => elem.transform(),
CosmicElement::AdditionalDamage(elem) => elem.transform(), CosmicElement::AdditionalDamage(elem) => elem.transform(),
CosmicElement::Mirror(elem) => elem.transform(), CosmicElement::Postprocess(elem) => elem.transform(),
CosmicElement::Zoom(elem) => elem.transform(), CosmicElement::Zoom(elem) => elem.transform(),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
CosmicElement::Egui(elem) => elem.transform(), CosmicElement::Egui(elem) => elem.transform(),
@ -143,7 +142,7 @@ where
CosmicElement::Dnd(elem) => elem.damage_since(scale, commit), CosmicElement::Dnd(elem) => elem.damage_since(scale, commit),
CosmicElement::MoveGrab(elem) => elem.damage_since(scale, commit), CosmicElement::MoveGrab(elem) => elem.damage_since(scale, commit),
CosmicElement::AdditionalDamage(elem) => elem.damage_since(scale, commit), CosmicElement::AdditionalDamage(elem) => elem.damage_since(scale, commit),
CosmicElement::Mirror(elem) => elem.damage_since(scale, commit), CosmicElement::Postprocess(elem) => elem.damage_since(scale, commit),
CosmicElement::Zoom(elem) => elem.damage_since(scale, commit), CosmicElement::Zoom(elem) => elem.damage_since(scale, commit),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
CosmicElement::Egui(elem) => elem.damage_since(scale, commit), CosmicElement::Egui(elem) => elem.damage_since(scale, commit),
@ -157,7 +156,7 @@ where
CosmicElement::Dnd(elem) => elem.opaque_regions(scale), CosmicElement::Dnd(elem) => elem.opaque_regions(scale),
CosmicElement::MoveGrab(elem) => elem.opaque_regions(scale), CosmicElement::MoveGrab(elem) => elem.opaque_regions(scale),
CosmicElement::AdditionalDamage(elem) => elem.opaque_regions(scale), CosmicElement::AdditionalDamage(elem) => elem.opaque_regions(scale),
CosmicElement::Mirror(elem) => elem.opaque_regions(scale), CosmicElement::Postprocess(elem) => elem.opaque_regions(scale),
CosmicElement::Zoom(elem) => elem.opaque_regions(scale), CosmicElement::Zoom(elem) => elem.opaque_regions(scale),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
CosmicElement::Egui(elem) => elem.opaque_regions(scale), CosmicElement::Egui(elem) => elem.opaque_regions(scale),
@ -171,7 +170,7 @@ where
CosmicElement::Dnd(elem) => elem.alpha(), CosmicElement::Dnd(elem) => elem.alpha(),
CosmicElement::MoveGrab(elem) => elem.alpha(), CosmicElement::MoveGrab(elem) => elem.alpha(),
CosmicElement::AdditionalDamage(elem) => elem.alpha(), CosmicElement::AdditionalDamage(elem) => elem.alpha(),
CosmicElement::Mirror(elem) => elem.alpha(), CosmicElement::Postprocess(elem) => elem.alpha(),
CosmicElement::Zoom(elem) => elem.alpha(), CosmicElement::Zoom(elem) => elem.alpha(),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
CosmicElement::Egui(elem) => elem.alpha(), CosmicElement::Egui(elem) => elem.alpha(),
@ -185,7 +184,7 @@ where
CosmicElement::Dnd(elem) => elem.kind(), CosmicElement::Dnd(elem) => elem.kind(),
CosmicElement::MoveGrab(elem) => elem.kind(), CosmicElement::MoveGrab(elem) => elem.kind(),
CosmicElement::AdditionalDamage(elem) => elem.kind(), CosmicElement::AdditionalDamage(elem) => elem.kind(),
CosmicElement::Mirror(elem) => elem.kind(), CosmicElement::Postprocess(elem) => elem.kind(),
CosmicElement::Zoom(elem) => elem.kind(), CosmicElement::Zoom(elem) => elem.kind(),
#[cfg(feature = "debug")] #[cfg(feature = "debug")]
CosmicElement::Egui(elem) => elem.kind(), CosmicElement::Egui(elem) => elem.kind(),
@ -216,7 +215,7 @@ where
CosmicElement::AdditionalDamage(elem) => { CosmicElement::AdditionalDamage(elem) => {
RenderElement::<R>::draw(elem, frame, src, dst, damage, opaque_regions) RenderElement::<R>::draw(elem, frame, src, dst, damage, opaque_regions)
} }
CosmicElement::Mirror(elem) => { CosmicElement::Postprocess(elem) => {
let glow_frame = R::glow_frame_mut(frame); let glow_frame = R::glow_frame_mut(frame);
RenderElement::<GlowRenderer>::draw( RenderElement::<GlowRenderer>::draw(
elem, elem,
@ -252,7 +251,7 @@ where
CosmicElement::Dnd(elem) => elem.underlying_storage(renderer), CosmicElement::Dnd(elem) => elem.underlying_storage(renderer),
CosmicElement::MoveGrab(elem) => elem.underlying_storage(renderer), CosmicElement::MoveGrab(elem) => elem.underlying_storage(renderer),
CosmicElement::AdditionalDamage(elem) => elem.underlying_storage(renderer), CosmicElement::AdditionalDamage(elem) => elem.underlying_storage(renderer),
CosmicElement::Mirror(elem) => { CosmicElement::Postprocess(elem) => {
let glow_renderer = renderer.glow_renderer_mut(); let glow_renderer = renderer.glow_renderer_mut();
elem.underlying_storage(glow_renderer) elem.underlying_storage(glow_renderer)
} }

100
src/backend/render/mod.rs
View file

@ -13,6 +13,7 @@ use std::{
use crate::debug::fps_ui; use crate::debug::fps_ui;
use crate::{ use crate::{
backend::{kms::render::gles::GbmGlowBackend, render::element::DamageElement}, backend::{kms::render::gles::GbmGlowBackend, render::element::DamageElement},
config::ScreenFilter,
shell::{ shell::{
element::CosmicMappedKey, element::CosmicMappedKey,
focus::{render_input_order, target::WindowGroup, Stage}, focus::{render_input_order, target::WindowGroup, Stage},
@ -36,7 +37,7 @@ use cosmic::Theme;
use element::FromGlesError; use element::FromGlesError;
use smithay::{ use smithay::{
backend::{ backend::{
allocator::dmabuf::Dmabuf, allocator::{dmabuf::Dmabuf, Fourcc},
drm::{DrmDeviceFd, DrmNode}, drm::{DrmDeviceFd, DrmNode},
renderer::{ renderer::{
damage::{Error as RenderError, OutputDamageTracker, RenderOutputResult}, damage::{Error as RenderError, OutputDamageTracker, RenderOutputResult},
@ -52,13 +53,15 @@ use smithay::{
glow::GlowRenderer, glow::GlowRenderer,
multigpu::{Error as MultiError, MultiFrame, MultiRenderer}, multigpu::{Error as MultiError, MultiFrame, MultiRenderer},
sync::SyncPoint, sync::SyncPoint,
Bind, Blit, Color32F, ExportMem, ImportAll, ImportMem, Offscreen, Renderer, Bind, Blit, Color32F, ExportMem, ImportAll, ImportMem, Offscreen, Renderer, Texture,
TextureFilter, TextureFilter,
}, },
}, },
input::Seat, input::Seat,
output::{Output, OutputNoMode}, output::{Output, OutputNoMode},
utils::{IsAlive, Logical, Monotonic, Point, Rectangle, Scale, Time, Transform}, utils::{
IsAlive, Logical, Monotonic, Physical, Point, Rectangle, Scale, Size, Time, Transform,
},
wayland::{dmabuf::get_dmabuf, session_lock::LockSurface}, wayland::{dmabuf::get_dmabuf, session_lock::LockSurface},
}; };
@ -105,6 +108,7 @@ impl<'a> AsMut<GlowRenderer> for RendererRef<'a> {
pub static CLEAR_COLOR: Color32F = Color32F::new(0.153, 0.161, 0.165, 1.0); pub static CLEAR_COLOR: Color32F = Color32F::new(0.153, 0.161, 0.165, 1.0);
pub static OUTLINE_SHADER: &str = include_str!("./shaders/rounded_outline.frag"); pub static OUTLINE_SHADER: &str = include_str!("./shaders/rounded_outline.frag");
pub static RECTANGLE_SHADER: &str = include_str!("./shaders/rounded_rectangle.frag"); pub static RECTANGLE_SHADER: &str = include_str!("./shaders/rounded_rectangle.frag");
pub static POSTPROCESS_SHADER: &str = include_str!("./shaders/offscreen.frag");
pub static GROUP_COLOR: [f32; 3] = [0.788, 0.788, 0.788]; pub static GROUP_COLOR: [f32; 3] = [0.788, 0.788, 0.788];
pub static ACTIVE_GROUP_COLOR: [f32; 3] = [0.58, 0.922, 0.922]; pub static ACTIVE_GROUP_COLOR: [f32; 3] = [0.58, 0.922, 0.922];
@ -346,11 +350,14 @@ impl BackdropShader {
} }
} }
pub struct PostprocessShader(pub GlesTexProgram);
pub fn init_shaders(renderer: &mut GlesRenderer) -> Result<(), GlesError> { pub fn init_shaders(renderer: &mut GlesRenderer) -> Result<(), GlesError> {
{ {
let egl_context = renderer.egl_context(); let egl_context = renderer.egl_context();
if egl_context.user_data().get::<IndicatorShader>().is_some() if egl_context.user_data().get::<IndicatorShader>().is_some()
&& egl_context.user_data().get::<BackdropShader>().is_some() && egl_context.user_data().get::<BackdropShader>().is_some()
&& egl_context.user_data().get::<PostprocessShader>().is_some()
{ {
return Ok(()); return Ok(());
} }
@ -371,6 +378,13 @@ pub fn init_shaders(renderer: &mut GlesRenderer) -> Result<(), GlesError> {
UniformName::new("radius", UniformType::_1f), UniformName::new("radius", UniformType::_1f),
], ],
)?; )?;
let postprocess_shader = renderer.compile_custom_texture_shader(
POSTPROCESS_SHADER,
&[
UniformName::new("invert", UniformType::_1f),
UniformName::new("color_mode", UniformType::_1f),
],
)?;
let egl_context = renderer.egl_context(); let egl_context = renderer.egl_context();
egl_context egl_context
@ -379,6 +393,9 @@ pub fn init_shaders(renderer: &mut GlesRenderer) -> Result<(), GlesError> {
egl_context egl_context
.user_data() .user_data()
.insert_if_missing(|| BackdropShader(rectangle_shader)); .insert_if_missing(|| BackdropShader(rectangle_shader));
egl_context
.user_data()
.insert_if_missing(|| PostprocessShader(postprocess_shader));
Ok(()) Ok(())
} }
@ -976,6 +993,83 @@ where
} }
} }
// Used for mirroring and postprocessing
#[derive(Debug)]
pub struct PostprocessState {
pub texture: TextureRenderBuffer<GlesTexture>,
pub damage_tracker: OutputDamageTracker,
pub output_config: PostprocessOutputConfig,
}
impl PostprocessState {
pub fn new_with_renderer<R: Renderer + Offscreen<GlesTexture>>(
renderer: &mut R,
format: Fourcc,
output_config: PostprocessOutputConfig,
) -> Result<Self, R::Error> {
let size = output_config.size;
let buffer_size = size.to_logical(1).to_buffer(1, Transform::Normal);
let opaque_regions = vec![Rectangle::from_size(buffer_size)];
let texture = Offscreen::<GlesTexture>::create_buffer(renderer, format, buffer_size)?;
let texture_buffer = TextureRenderBuffer::from_texture(
renderer,
texture,
1,
Transform::Normal,
Some(opaque_regions),
);
// Don't use `from_output` to avoid applying output transform
let damage_tracker =
OutputDamageTracker::new(size, output_config.fractional_scale, Transform::Normal);
Ok(PostprocessState {
texture: texture_buffer,
damage_tracker,
output_config,
})
}
}
#[derive(Debug, PartialEq)]
pub struct PostprocessOutputConfig {
pub size: Size<i32, Physical>,
pub fractional_scale: f64,
}
impl PostprocessOutputConfig {
pub fn for_output_untransformed(output: &Output) -> Self {
Self {
// Apply inverse of output transform to mode size to get correct size
// for an untransformed render.
size: output.current_transform().invert().transform_size(
output
.current_mode()
.map(|mode| mode.size)
.unwrap_or_default(),
),
fractional_scale: output.current_scale().fractional_scale(),
}
}
pub fn for_output(output: &Output) -> Self {
Self {
size: output
.current_mode()
.map(|mode| mode.size)
.unwrap_or_default(),
fractional_scale: output.current_scale().fractional_scale(),
}
}
}
#[derive(Debug, Default)]
pub struct ScreenFilterStorage {
pub filter: ScreenFilter,
pub state: Option<PostprocessState>,
}
#[profiling::function] #[profiling::function]
pub fn render_output<'d, R, OffTarget>( pub fn render_output<'d, R, OffTarget>(
gpu: Option<&DrmNode>, gpu: Option<&DrmNode>,

90
src/backend/render/shaders/offscreen.frag Normal file
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#version 100
//_DEFINES_
#if defined(EXTERNAL)
#extension GL_OES_EGL_image_external : require
#endif
precision mediump float;
#if defined(EXTERNAL)
uniform samplerExternalOES tex;
#else
uniform sampler2D tex;
#endif
uniform float alpha;
varying vec2 v_coords;
#if defined(DEBUG_FLAGS)
uniform float tint;
#endif
uniform float invert;
uniform float color_mode;
void main() {
vec4 color = texture2D(tex, v_coords);
#if defined(NO_ALPHA)
color = vec4(color.rgb, 1.0) * alpha;
#else
color = color * alpha;
#endif
// un-multiply
color.rgb /= color.a;
// First invert then filter
if (invert == 1.0) {
color.rgb = 1.0 - color.rgb;
}
if (color_mode == 1.0) { // greyscale
float value = (color.r + color.g + color.b) / 3.0;
color = vec4(value, value, value, color.a);
} else if (color_mode >= 2.0) {
float L = (17.8824 * color.r) + (43.5161 * color.g) + (4.11935 * color.b);
float M = (3.45565 * color.r) + (27.1554 * color.g) + (3.86714 * color.b);
float S = (0.0299566 * color.r) + (0.184309 * color.g) + (1.46709 * color.b);
float l, m, s;
if (color_mode == 2.0) { // Protanopia
l = 0.0 * L + 2.02344 * M + -2.52581 * S;
m = 0.0 * L + 1.0 * M + 0.0 * S;
s = 0.0 * L + 0.0 * M + 1.0 * S;
} else if (color_mode == 3.0) { // Deuteranopia
l = 1.0 * L + 0.0 * M + 0.0 * S;
m = 0.494207 * L + 0.0 * M + 1.24827 * S;
s = 0.0 * L + 0.0 * M + 1.0 * S;
} else if (color_mode == 4.0) { // Tritanopia
l = 1.0 * L + 0.0 * M + 0.0 * S;
m = 0.0 * L + 1.0 * M + 0.0 * S;
s = -0.395913 * L + 0.801109 * M + 0.0 * S;
} else {
// unknown
l = L;
m = M;
s = S;
}
vec3 error;
error.r = (0.0809444479 * l) + (-0.130504409 * m) + (0.116721066 * s);
error.g = (-0.0102485335 * l) + (0.0540193266 * m) + (-0.113614708 * s);
error.b = (-0.000365296938 * l) + (-0.00412161469 * m) + (0.693511405 * s);
vec3 diff = color.rgb - error;
vec3 correction;
correction.r = 0.0;
correction.g = (diff.r * 0.7) + (diff.g * 1.0);
correction.b = (diff.r * 0.7) + (diff.b * 1.0);
color.rgb += correction;
}
// re-multiply
color.rgb *= color.a;
gl_FragColor = color;
}