anvil: refacto buffer loading logic
Decouple it from the shell implementation and introduce specialised shaders for various SHM buffer types.
This commit is contained in:
parent
89764bf442
commit
3b0594c88e
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@ -1,20 +1,25 @@
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use glium;
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use glium::{Frame, GlObject, Surface};
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use glium::index::PrimitiveType;
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use glium::texture::{MipmapsOption, Texture2d, UncompressedFloatFormat};
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use glium::{Frame, GlObject, Surface};
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use smithay::backend::graphics::egl::EGLGraphicsBackend;
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use smithay::backend::graphics::egl::error::Result as EGLResult;
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use smithay::backend::graphics::egl::wayland::{EGLDisplay, EGLImages, EGLWaylandExtensions, Format};
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use smithay::backend::graphics::egl::wayland::{BufferAccessError, EGLDisplay, EGLImages,
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EGLWaylandExtensions, Format};
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use smithay::backend::graphics::glium::GliumGraphicsBackend;
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use smithay::wayland::compositor::{SubsurfaceRole, TraversalAction};
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use smithay::wayland::compositor::roles::Role;
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use smithay::wayland_server::Display;
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use smithay::wayland::compositor::{SubsurfaceRole, TraversalAction};
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use smithay::wayland::shm::with_buffer_contents as shm_buffer_contents;
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use smithay::wayland_server::protocol::wl_buffer;
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use smithay::wayland_server::{Display, Resource};
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use std::cell::Ref;
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use std::cell::{Ref, RefCell};
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use std::rc::Rc;
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use slog::Logger;
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use shell::{Buffer, MyCompositorToken, MyWindowMap};
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use shaders;
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use shell::{MyCompositorToken, MyWindowMap};
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#[derive(Copy, Clone)]
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struct Vertex {
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@ -28,7 +33,9 @@ pub struct GliumDrawer<F: EGLGraphicsBackend + 'static> {
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display: GliumGraphicsBackend<F>,
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vertex_buffer: glium::VertexBuffer<Vertex>,
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index_buffer: glium::IndexBuffer<u16>,
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program: glium::Program,
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programs: [glium::Program; shaders::FRAGMENT_COUNT],
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egl_display: Rc<RefCell<Option<EGLDisplay>>>,
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log: Logger,
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}
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impl<F: EGLGraphicsBackend + 'static> GliumDrawer<F> {
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@ -37,8 +44,8 @@ impl<F: EGLGraphicsBackend + 'static> GliumDrawer<F> {
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}
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}
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impl<T: Into<GliumGraphicsBackend<T>> + EGLGraphicsBackend + 'static> From<T> for GliumDrawer<T> {
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fn from(backend: T) -> GliumDrawer<T> {
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impl<T: Into<GliumGraphicsBackend<T>> + EGLGraphicsBackend + 'static> GliumDrawer<T> {
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pub fn init(backend: T, egl_display: Rc<RefCell<Option<EGLDisplay>>>, log: Logger) -> GliumDrawer<T> {
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let display = backend.into();
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// building the vertex buffer, which contains all the vertices that we will draw
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@ -68,63 +75,38 @@ impl<T: Into<GliumGraphicsBackend<T>> + EGLGraphicsBackend + 'static> From<T> fo
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let index_buffer =
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glium::IndexBuffer::new(&display, PrimitiveType::TriangleStrip, &[1 as u16, 2, 0, 3]).unwrap();
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// compiling shaders and linking them together
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let program = program!(&display,
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100 => {
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vertex: "
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#version 100
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uniform lowp mat4 matrix;
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attribute lowp vec2 position;
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attribute lowp vec2 tex_coords;
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varying lowp vec2 v_tex_coords;
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void main() {
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gl_Position = matrix * vec4(position, 0.0, 1.0);
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v_tex_coords = tex_coords;
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}
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",
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fragment: "
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#version 100
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uniform lowp sampler2D tex;
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varying lowp vec2 v_tex_coords;
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void main() {
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lowp vec4 color = texture2D(tex, v_tex_coords);
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gl_FragColor.r = color.x;
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gl_FragColor.g = color.y;
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gl_FragColor.b = color.z;
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gl_FragColor.a = color.w;
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}
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",
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},
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).unwrap();
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let programs = opengl_programs!(&display);
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GliumDrawer {
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display,
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vertex_buffer,
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index_buffer,
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program,
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programs,
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egl_display,
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log,
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}
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}
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}
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impl<F: EGLGraphicsBackend + 'static> GliumDrawer<F> {
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pub fn texture_from_mem(&self, contents: &[u8], surface_dimensions: (u32, u32)) -> Texture2d {
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let image = glium::texture::RawImage2d {
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data: contents.into(),
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width: surface_dimensions.0,
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height: surface_dimensions.1,
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format: glium::texture::ClientFormat::U8U8U8U8,
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pub fn texture_from_buffer(&self, buffer: Resource<wl_buffer::WlBuffer>) -> Result<TextureMetadata, ()> {
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// try to retrieve the egl contents of this buffer
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let images = if let Some(display) = &self.egl_display.borrow().as_ref() {
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display.egl_buffer_contents(buffer)
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} else {
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Err(BufferAccessError::NotManaged(buffer))
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};
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Texture2d::new(&self.display, image).unwrap()
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}
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pub fn texture_from_egl(&self, images: &EGLImages) -> Option<Texture2d> {
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match images {
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Ok(images) => {
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// we have an EGL buffer
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let format = match images.format {
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Format::RGB => UncompressedFloatFormat::U8U8U8,
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Format::RGBA => UncompressedFloatFormat::U8U8U8U8,
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_ => return None,
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_ => {
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warn!(self.log, "Unsupported EGL buffer format"; "format" => format!("{:?}", images.format));
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return Err(());
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}
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};
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let opengl_texture = Texture2d::empty_with_format(
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&self.display,
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format,
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@ -137,13 +119,49 @@ impl<F: EGLGraphicsBackend + 'static> GliumDrawer<F> {
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.bind_to_texture(0, opengl_texture.get_id())
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.expect("Failed to bind to texture");
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}
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Some(opengl_texture)
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Ok(TextureMetadata {
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texture: opengl_texture,
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fragment: ::shaders::BUFFER_RGBA,
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y_inverted: images.y_inverted,
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dimensions: (images.width, images.height),
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images: Some(images), // I guess we need to keep this alive ?
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})
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}
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Err(BufferAccessError::NotManaged(buffer)) => {
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// this is not an EGL buffer, try SHM
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match shm_buffer_contents(&buffer, |slice, data| {
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::shm_load::load_shm_buffer(data, slice)
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.map(|(image, kind)| (Texture2d::new(&self.display, image).unwrap(), kind, data))
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}) {
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Ok(Ok((texture, kind, data))) => Ok(TextureMetadata {
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texture,
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fragment: kind,
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y_inverted: false,
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dimensions: (data.width as u32, data.height as u32),
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images: None,
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}),
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Ok(Err(format)) => {
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warn!(self.log, "Unsupported SHM buffer format"; "format" => format!("{:?}", format));
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Err(())
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}
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Err(err) => {
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warn!(self.log, "Unable to load buffer contents"; "err" => format!("{:?}", err));
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Err(())
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}
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}
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}
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Err(err) => {
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error!(self.log, "EGL error"; "err" => format!("{:?}", err));
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Err(())
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}
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}
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}
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pub fn render_texture(
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&self,
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target: &mut glium::Frame,
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texture: &Texture2d,
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texture_kind: usize,
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y_inverted: bool,
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surface_dimensions: (u32, u32),
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surface_location: (i32, i32),
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@ -175,7 +193,7 @@ impl<F: EGLGraphicsBackend + 'static> GliumDrawer<F> {
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.draw(
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&self.vertex_buffer,
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&self.index_buffer,
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&self.program,
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&self.programs[texture_kind],
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&uniforms,
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&glium::DrawParameters {
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blend: blending,
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@ -197,6 +215,14 @@ impl<G: EGLWaylandExtensions + EGLGraphicsBackend + 'static> EGLWaylandExtension
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}
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}
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pub struct TextureMetadata {
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pub texture: Texture2d,
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pub fragment: usize,
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pub y_inverted: bool,
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pub dimensions: (u32, u32),
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images: Option<EGLImages>,
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}
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impl<F: EGLGraphicsBackend + 'static> GliumDrawer<F> {
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pub fn draw_windows(&self, window_map: &MyWindowMap, compositor_token: MyCompositorToken, log: &Logger) {
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let mut frame = self.draw();
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@ -214,48 +240,26 @@ impl<F: EGLGraphicsBackend + 'static> GliumDrawer<F> {
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|_surface, attributes, role, &(mut x, mut y)| {
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// there is actually something to draw !
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if attributes.user_data.texture.is_none() {
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let mut remove = false;
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match attributes.user_data.buffer {
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Some(Buffer::Egl { ref images }) => {
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match images.format {
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Format::RGB | Format::RGBA => {
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attributes.user_data.texture =
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self.texture_from_egl(&images);
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if let Some(buffer) = attributes.user_data.buffer.take() {
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if let Ok(m) = self.texture_from_buffer(buffer.clone()) {
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attributes.user_data.texture = Some(m);
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}
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_ => {
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// we don't handle the more complex formats here.
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attributes.user_data.texture = None;
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remove = true;
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}
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};
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}
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Some(Buffer::Shm { ref data, ref size }) => {
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attributes.user_data.texture =
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Some(self.texture_from_mem(data, *size));
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}
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_ => {}
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}
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if remove {
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attributes.user_data.buffer = None;
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// notify the client that we have finished reading the
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// buffer
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buffer.send(wl_buffer::Event::Release);
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}
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}
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if let Some(ref texture) = attributes.user_data.texture {
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if let Some(ref metadata) = attributes.user_data.texture {
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if let Ok(subdata) = Role::<SubsurfaceRole>::data(role) {
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x += subdata.location.0;
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y += subdata.location.1;
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}
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self.render_texture(
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&mut frame,
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texture,
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match *attributes.user_data.buffer.as_ref().unwrap() {
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Buffer::Egl { ref images } => images.y_inverted,
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Buffer::Shm { .. } => false,
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},
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match *attributes.user_data.buffer.as_ref().unwrap() {
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Buffer::Egl { ref images } => (images.width, images.height),
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Buffer::Shm { ref size, .. } => *size,
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},
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&metadata.texture,
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metadata.fragment,
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metadata.y_inverted,
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metadata.dimensions,
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(x, y),
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screen_dimensions,
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::glium::Blend {
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@ -12,6 +12,8 @@ extern crate xkbcommon;
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use slog::Drain;
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use smithay::wayland_server::Display;
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#[macro_use]
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mod shaders;
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mod glium_drawer;
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mod input_handler;
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#[cfg(feature = "tty_launch")]
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@ -75,11 +75,18 @@ pub fn run_raw_drm(mut display: Display, mut event_loop: EventLoop, log: Logger)
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let mode = connector_info.modes()[0]; // Use first mode (usually highest resoltion, but in reality you should filter and sort and check and match with other connectors, if you use more then one.)
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// Initialize the hardware backend
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let renderer = GliumDrawer::from(
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device
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let backend = device
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.create_backend(crtc, mode, vec![connector_info.handle()])
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.unwrap(),
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);
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.unwrap();
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let egl_display = Rc::new(RefCell::new(
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if let Ok(egl_display) = backend.bind_wl_display(&display) {
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info!(log, "EGL hardware-acceleration enabled");
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Some(egl_display)
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} else {
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None
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},
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));
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let renderer = GliumDrawer::init(backend, egl_display, log.clone());
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{
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/*
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* Initialize glium
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@ -89,23 +96,13 @@ pub fn run_raw_drm(mut display: Display, mut event_loop: EventLoop, log: Logger)
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frame.finish().unwrap();
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}
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let egl_display = Rc::new(RefCell::new(
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if let Ok(egl_display) = renderer.bind_wl_display(&display) {
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info!(log, "EGL hardware-acceleration enabled");
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Some(egl_display)
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} else {
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None
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},
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));
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/*
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* Initialize the globals
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*/
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init_shm_global(&mut display, event_loop.token(), vec![], log.clone());
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let (compositor_token, _, _, window_map) =
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init_shell(&mut display, event_loop.token(), log.clone(), egl_display);
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let (compositor_token, _, _, window_map) = init_shell(&mut display, event_loop.token(), log.clone());
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/*
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* Add a listening socket:
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@ -0,0 +1,120 @@
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/*
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* This file is the single point of definition of the opengl shaders
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* and their indexes.
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*
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* The opengl_programs!() macro must call make_program!() in the correct
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* order matching the indices stored in the BUFFER_* constants, if it
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* does not, things will be drawn on screen with wrong colors.
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*/
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// create a set of shaders for various loading types
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macro_rules! make_program(
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($display: expr, $fragment_shader:expr) => {
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program!($display,
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100 => {
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vertex: ::shaders::VERTEX_SHADER,
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fragment: $fragment_shader,
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},
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).unwrap()
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}
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);
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#[macro_escape]
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macro_rules! opengl_programs(
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($display: expr) => {
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[
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make_program!($display, ::shaders::FRAGMENT_SHADER_RGBA),
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make_program!($display, ::shaders::FRAGMENT_SHADER_ABGR),
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make_program!($display, ::shaders::FRAGMENT_SHADER_XBGR),
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make_program!($display, ::shaders::FRAGMENT_SHADER_BGRA),
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make_program!($display, ::shaders::FRAGMENT_SHADER_BGRX),
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]
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}
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);
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/*
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* OpenGL Shaders
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*/
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pub const VERTEX_SHADER: &'static str = r#"
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#version 100
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uniform lowp mat4 matrix;
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attribute lowp vec2 position;
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attribute lowp vec2 tex_coords;
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varying lowp vec2 v_tex_coords;
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void main() {
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gl_Position = matrix * vec4(position, 0.0, 1.0);
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v_tex_coords = tex_coords;
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}"#;
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pub const FRAGMENT_COUNT: usize = 5;
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pub const BUFFER_RGBA: usize = 0;
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pub const FRAGMENT_SHADER_RGBA: &'static str = r#"
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#version 100
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uniform lowp sampler2D tex;
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varying lowp vec2 v_tex_coords;
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void main() {
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lowp vec4 color = texture2D(tex, v_tex_coords);
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gl_FragColor.r = color.x;
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gl_FragColor.g = color.y;
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gl_FragColor.b = color.z;
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gl_FragColor.a = color.w;
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}
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"#;
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pub const BUFFER_ABGR: usize = 1;
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pub const FRAGMENT_SHADER_ABGR: &'static str = r#"
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#version 100
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uniform lowp sampler2D tex;
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varying lowp vec2 v_tex_coords;
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void main() {
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lowp vec4 color = texture2D(tex, v_tex_coords);
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gl_FragColor.r = color.w;
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gl_FragColor.g = color.z;
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gl_FragColor.b = color.y;
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gl_FragColor.a = color.x;
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}
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"#;
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pub const BUFFER_XBGR: usize = 2;
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pub const FRAGMENT_SHADER_XBGR: &'static str = r#"
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#version 100
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uniform lowp sampler2D tex;
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varying lowp vec2 v_tex_coords;
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void main() {
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lowp vec4 color = texture2D(tex, v_tex_coords);
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gl_FragColor.r = color.w;
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gl_FragColor.g = color.z;
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gl_FragColor.b = color.y;
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gl_FragColor.a = 1.0;
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}
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"#;
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pub const BUFFER_BGRA: usize = 3;
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pub const FRAGMENT_SHADER_BGRA: &'static str = r#"
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#version 100
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uniform lowp sampler2D tex;
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varying lowp vec2 v_tex_coords;
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void main() {
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lowp vec4 color = texture2D(tex, v_tex_coords);
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gl_FragColor.r = color.z;
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gl_FragColor.g = color.y;
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gl_FragColor.b = color.x;
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gl_FragColor.a = color.w;
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}
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"#;
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pub const BUFFER_BGRX: usize = 4;
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pub const FRAGMENT_SHADER_BGRX: &'static str = r#"
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#version 100
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uniform lowp sampler2D tex;
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varying lowp vec2 v_tex_coords;
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void main() {
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lowp vec4 color = texture2D(tex, v_tex_coords);
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gl_FragColor.r = color.z;
|
||||
gl_FragColor.g = color.y;
|
||||
gl_FragColor.b = color.x;
|
||||
gl_FragColor.a = 1.0;
|
||||
}
|
||||
"#;
|
|
@ -2,20 +2,15 @@ use std::cell::RefCell;
|
|||
use std::rc::Rc;
|
||||
use std::sync::{Arc, Mutex};
|
||||
|
||||
use glium::texture::Texture2d;
|
||||
|
||||
use rand;
|
||||
|
||||
use smithay::backend::graphics::egl::wayland::{BufferAccessError, Format};
|
||||
use smithay::backend::graphics::egl::wayland::{EGLDisplay, EGLImages};
|
||||
use smithay::wayland::compositor::{compositor_init, CompositorToken, SurfaceAttributes, SurfaceEvent};
|
||||
use smithay::wayland::shell::xdg::{xdg_shell_init, PopupConfigure, ShellState as XdgShellState,
|
||||
ToplevelConfigure, XdgRequest, XdgSurfaceRole};
|
||||
use smithay::wayland::shell::legacy::{wl_shell_init, ShellRequest, ShellState as WlShellState,
|
||||
ShellSurfaceKind, ShellSurfaceRole};
|
||||
use smithay::wayland::shm::with_buffer_contents as shm_buffer_contents;
|
||||
use smithay::wayland_server::{Display, LoopToken, Resource};
|
||||
use smithay::wayland::shell::xdg::{xdg_shell_init, PopupConfigure, ShellState as XdgShellState,
|
||||
ToplevelConfigure, XdgRequest, XdgSurfaceRole};
|
||||
use smithay::wayland_server::protocol::{wl_buffer, wl_callback, wl_shell_surface, wl_surface};
|
||||
use smithay::wayland_server::{Display, LoopToken, Resource};
|
||||
|
||||
use window_map::{Kind as SurfaceKind, WindowMap};
|
||||
|
||||
|
@ -30,7 +25,6 @@ pub fn init_shell(
|
|||
display: &mut Display,
|
||||
looptoken: LoopToken,
|
||||
log: ::slog::Logger,
|
||||
egl_display: Rc<RefCell<Option<EGLDisplay>>>,
|
||||
) -> (
|
||||
CompositorToken<SurfaceData, Roles>,
|
||||
Arc<Mutex<XdgShellState<SurfaceData, Roles, ()>>>,
|
||||
|
@ -38,13 +32,11 @@ pub fn init_shell(
|
|||
Rc<RefCell<MyWindowMap>>,
|
||||
) {
|
||||
// Create the compositor
|
||||
let c_egl_display = egl_display.clone();
|
||||
let log2 = log.clone();
|
||||
let (compositor_token, _, _) = compositor_init(
|
||||
display,
|
||||
looptoken.clone(),
|
||||
move |request, (surface, ctoken)| match request {
|
||||
SurfaceEvent::Commit => surface_commit(&surface, ctoken, &*c_egl_display, &log2),
|
||||
SurfaceEvent::Commit => surface_commit(&surface, ctoken),
|
||||
SurfaceEvent::Frame { callback } => callback
|
||||
.implement(|e, _| match e {}, None::<fn(_, _)>)
|
||||
.send(wl_callback::Event::Done { callback_data: 0 }),
|
||||
|
@ -118,64 +110,24 @@ pub fn init_shell(
|
|||
log.clone(),
|
||||
);
|
||||
|
||||
(
|
||||
compositor_token,
|
||||
xdg_shell_state,
|
||||
wl_shell_state,
|
||||
window_map,
|
||||
)
|
||||
(compositor_token, xdg_shell_state, wl_shell_state, window_map)
|
||||
}
|
||||
|
||||
#[derive(Default)]
|
||||
pub struct SurfaceData {
|
||||
pub buffer: Option<Buffer>,
|
||||
pub texture: Option<Texture2d>,
|
||||
pub buffer: Option<Resource<wl_buffer::WlBuffer>>,
|
||||
pub texture: Option<::glium_drawer::TextureMetadata>,
|
||||
}
|
||||
|
||||
pub enum Buffer {
|
||||
Egl { images: EGLImages },
|
||||
Shm { data: Vec<u8>, size: (u32, u32) },
|
||||
}
|
||||
|
||||
fn surface_commit(
|
||||
surface: &Resource<wl_surface::WlSurface>,
|
||||
token: CompositorToken<SurfaceData, Roles>,
|
||||
display: &RefCell<Option<EGLDisplay>>,
|
||||
log: &::slog::Logger,
|
||||
) {
|
||||
fn surface_commit(surface: &Resource<wl_surface::WlSurface>, token: CompositorToken<SurfaceData, Roles>) {
|
||||
// we retrieve the contents of the associated buffer and copy it
|
||||
token.with_surface_data(surface, |attributes| {
|
||||
match attributes.buffer.take() {
|
||||
Some(Some((buffer, (_x, _y)))) => {
|
||||
// we ignore hotspot coordinates in this simple example
|
||||
match if let Some(display) = display.borrow().as_ref() {
|
||||
display.egl_buffer_contents(buffer)
|
||||
} else {
|
||||
Err(BufferAccessError::NotManaged(buffer))
|
||||
} {
|
||||
Ok(images) => {
|
||||
match images.format {
|
||||
Format::RGB => {}
|
||||
Format::RGBA => {}
|
||||
_ => {
|
||||
// we don't handle the more complex formats here.
|
||||
attributes.user_data.buffer = None;
|
||||
// new contents
|
||||
// TODO: handle hotspot coordinates
|
||||
attributes.user_data.buffer = Some(buffer);
|
||||
attributes.user_data.texture = None;
|
||||
return;
|
||||
}
|
||||
};
|
||||
attributes.user_data.texture = None;
|
||||
attributes.user_data.buffer = Some(Buffer::Egl { images });
|
||||
}
|
||||
Err(BufferAccessError::NotManaged(buffer)) => {
|
||||
shm_buffer_contents(&buffer, |slice, data| {
|
||||
attributes.user_data.texture = None;
|
||||
attributes.user_data.buffer = Some(::shm_load::load_shm_buffer(data, slice, log));
|
||||
}).expect("Got EGL buffer with no set EGLDisplay. You need to unbind your EGLContexts before dropping them!");
|
||||
buffer.send(wl_buffer::Event::Release);
|
||||
}
|
||||
Err(err) => panic!("EGL error: {}", err),
|
||||
}
|
||||
}
|
||||
Some(None) => {
|
||||
// erase the contents
|
||||
|
@ -190,11 +142,8 @@ fn surface_commit(
|
|||
fn get_size(attrs: &SurfaceAttributes<SurfaceData>) -> Option<(i32, i32)> {
|
||||
attrs
|
||||
.user_data
|
||||
.buffer
|
||||
.texture
|
||||
.as_ref()
|
||||
.map(|ref buffer| match **buffer {
|
||||
Buffer::Shm { ref size, .. } => *size,
|
||||
Buffer::Egl { ref images } => (images.width, images.height),
|
||||
})
|
||||
.map(|ref meta| meta.dimensions)
|
||||
.map(|(x, y)| (x as i32, y as i32))
|
||||
}
|
||||
|
|
|
@ -1,58 +1,52 @@
|
|||
use shell::Buffer;
|
||||
use std::borrow::Cow;
|
||||
|
||||
use smithay::wayland::shm::BufferData;
|
||||
use smithay::wayland_server::protocol::wl_shm::Format;
|
||||
|
||||
pub fn load_shm_buffer(data: BufferData, pool: &[u8], log: &::slog::Logger) -> Buffer {
|
||||
// ensure consistency, the SHM handler of smithay should ensure this
|
||||
debug_assert!(((data.offset + data.stride * data.height) as usize) <= pool.len());
|
||||
|
||||
let mut out = Vec::with_capacity((data.width * data.height * 4) as usize);
|
||||
use glium::texture::{ClientFormat, RawImage2d};
|
||||
|
||||
pub fn load_shm_buffer<'a>(data: BufferData, pool: &'a [u8]) -> Result<(RawImage2d<'a, u8>, usize), Format> {
|
||||
let offset = data.offset as usize;
|
||||
let width = data.width as usize;
|
||||
let height = data.height as usize;
|
||||
let stride = data.stride as usize;
|
||||
|
||||
match data.format {
|
||||
Format::Argb8888 => {
|
||||
// TODO: this is so slooooow
|
||||
for j in 0..height {
|
||||
for i in 0..width {
|
||||
// value must be read as native endianness
|
||||
let val: u32 =
|
||||
unsafe { *(&pool[offset + j * stride + i * 4] as *const u8 as *const u32) };
|
||||
out.push(((val & 0x00FF0000) >> 16) as u8); //r
|
||||
out.push(((val & 0x0000FF00) >> 8) as u8); //g
|
||||
out.push(((val & 0x000000FF) >> 0) as u8); //b
|
||||
out.push(((val & 0xFF000000) >> 24) as u8); //a
|
||||
}
|
||||
}
|
||||
}
|
||||
Format::Xrgb8888 => {
|
||||
// TODO: this is so slooooow
|
||||
for j in 0..height {
|
||||
for i in 0..width {
|
||||
// value must be read as native endianness
|
||||
let val: u32 =
|
||||
unsafe { *(&pool[offset + j * stride + i * 4] as *const u8 as *const u32) };
|
||||
out.push(((val & 0x00FF0000) >> 16) as u8); //r
|
||||
out.push(((val & 0x0000FF00) >> 8) as u8); //g
|
||||
out.push(((val & 0x000000FF) >> 0) as u8); //b
|
||||
out.push(255); // a
|
||||
}
|
||||
}
|
||||
}
|
||||
_ => {
|
||||
error!(log, "Unsupported buffer format"; "format" => format!("{:?}", data.format));
|
||||
// fill in with black
|
||||
for _ in 0..(data.height * data.width) {
|
||||
out.extend(&[0, 0, 0, 255])
|
||||
}
|
||||
}
|
||||
}
|
||||
// number of bytes per pixel
|
||||
// TODO: compute from data.format
|
||||
let pixelsize = 4;
|
||||
|
||||
Buffer::Shm {
|
||||
data: out,
|
||||
size: (data.width as u32, data.height as u32),
|
||||
// ensure consistency, the SHM handler of smithay should ensure this
|
||||
assert!(offset + (height - 1) * stride + width * pixelsize <= pool.len());
|
||||
|
||||
let slice: Cow<[u8]> = if stride == width * pixelsize {
|
||||
// the buffer is cleanly continuous, use as-is
|
||||
Cow::Borrowed(&pool[offset..(offset + height * width * pixelsize)])
|
||||
} else {
|
||||
// the buffer is discontinuous or lines overlap
|
||||
// we need to make a copy as unfortunately glium does not
|
||||
// expose the OpenGL APIs we would need to load this buffer :/
|
||||
let mut data = Vec::with_capacity(height * width * pixelsize);
|
||||
for i in 0..height {
|
||||
data.extend(&pool[(offset + i * stride)..(offset + i * stride + width * pixelsize)]);
|
||||
}
|
||||
Cow::Owned(data)
|
||||
};
|
||||
|
||||
// sharders format need to be reversed to account for endianness
|
||||
let (client_format, fragment) = match data.format {
|
||||
Format::Argb8888 => (ClientFormat::U8U8U8U8, ::shaders::BUFFER_BGRA),
|
||||
Format::Xrgb8888 => (ClientFormat::U8U8U8U8, ::shaders::BUFFER_BGRX),
|
||||
Format::Rgba8888 => (ClientFormat::U8U8U8U8, ::shaders::BUFFER_ABGR),
|
||||
Format::Rgbx8888 => (ClientFormat::U8U8U8U8, ::shaders::BUFFER_XBGR),
|
||||
_ => return Err(data.format),
|
||||
};
|
||||
Ok((
|
||||
RawImage2d {
|
||||
data: slice,
|
||||
width: width as u32,
|
||||
height: height as u32,
|
||||
format: client_format,
|
||||
},
|
||||
fragment,
|
||||
))
|
||||
}
|
||||
|
|
|
@ -62,7 +62,6 @@ pub fn run_udev(mut display: Display, mut event_loop: EventLoop, log: Logger) ->
|
|||
&mut display.borrow_mut(),
|
||||
event_loop.token(),
|
||||
log.clone(),
|
||||
active_egl_context.clone(),
|
||||
);
|
||||
|
||||
/*
|
||||
|
@ -215,6 +214,7 @@ impl UdevHandlerImpl {
|
|||
pub fn scan_connectors(
|
||||
&self,
|
||||
device: &mut DrmDevice<SessionFdDrmDevice>,
|
||||
egl_display: Rc<RefCell<Option<EGLDisplay>>>,
|
||||
) -> HashMap<crtc::Handle, GliumDrawer<DrmBackend<SessionFdDrmDevice>>> {
|
||||
// Get a set of all modesetting resource handles (excluding planes):
|
||||
let res_handles = device.resource_handles().unwrap();
|
||||
|
@ -242,10 +242,12 @@ impl UdevHandlerImpl {
|
|||
if !backends.contains_key(&crtc) {
|
||||
let mode = connector_info.modes()[0]; // Use first mode (usually highest resoltion, but in reality you should filter and sort and check and match with other connectors, if you use more then one.)
|
||||
// create a backend
|
||||
let renderer = GliumDrawer::from(
|
||||
let renderer = GliumDrawer::init(
|
||||
device
|
||||
.create_backend(crtc, mode, vec![connector_info.handle()])
|
||||
.unwrap(),
|
||||
egl_display.clone(),
|
||||
self.logger.clone(),
|
||||
);
|
||||
|
||||
// create cursor
|
||||
|
@ -279,7 +281,10 @@ impl UdevHandler<DrmHandlerImpl> for UdevHandlerImpl {
|
|||
*self.active_egl_context.borrow_mut() = device.bind_wl_display(&*self.display.borrow()).ok();
|
||||
}
|
||||
|
||||
let backends = Rc::new(RefCell::new(self.scan_connectors(device)));
|
||||
let backends = Rc::new(RefCell::new(self.scan_connectors(
|
||||
device,
|
||||
self.active_egl_context.clone(),
|
||||
)));
|
||||
self.backends.insert(device.device_id(), backends.clone());
|
||||
|
||||
Some(DrmHandlerImpl {
|
||||
|
@ -294,7 +299,7 @@ impl UdevHandler<DrmHandlerImpl> for UdevHandlerImpl {
|
|||
fn device_changed(&mut self, device: &mut DrmDevice<SessionFdDrmDevice>) {
|
||||
//quick and dirt, just re-init all backends
|
||||
let backends = self.backends.get(&device.device_id()).unwrap();
|
||||
*backends.borrow_mut() = self.scan_connectors(device);
|
||||
*backends.borrow_mut() = self.scan_connectors(device, self.active_egl_context.clone());
|
||||
}
|
||||
|
||||
fn device_removed(&mut self, device: &mut DrmDevice<SessionFdDrmDevice>) {
|
||||
|
|
|
@ -32,7 +32,7 @@ pub fn run_winit(display: &mut Display, event_loop: &mut EventLoop, log: Logger)
|
|||
));
|
||||
|
||||
let (w, h) = renderer.get_framebuffer_dimensions();
|
||||
let drawer = GliumDrawer::from(renderer);
|
||||
let drawer = GliumDrawer::init(renderer, egl_display, log.clone());
|
||||
|
||||
let name = display.add_socket_auto().unwrap().into_string().unwrap();
|
||||
info!(log, "Listening on wayland socket"; "name" => name.clone());
|
||||
|
@ -46,8 +46,7 @@ pub fn run_winit(display: &mut Display, event_loop: &mut EventLoop, log: Logger)
|
|||
|
||||
init_shm_global(display, event_loop.token(), vec![], log.clone());
|
||||
|
||||
let (compositor_token, _, _, window_map) =
|
||||
init_shell(display, event_loop.token(), log.clone(), egl_display);
|
||||
let (compositor_token, _, _, window_map) = init_shell(display, event_loop.token(), log.clone());
|
||||
|
||||
let (mut seat, _) = Seat::new(display, event_loop.token(), "winit".into(), log.clone());
|
||||
|
||||
|
|
Loading…
Reference in New Issue