Add screencopy dmabuf backend (#122)

* [feat] rough MVP for screencpy+dmabuf

* [feat] refactor MVP into libwayshot - create new constructor

* [refactor] first draft of dmabuf API

* [refactor]
- Add error handling
- Add example/demo for wayshot dmabuf API

* [feat] import wayland-egl-ctx for use as MVP for dmabuf import functionality

* [fix] correct modifier_lo parameter in waymirror-egl MVP

* [feat] get waymirror-egl dmabuf MVP demo working

* [feat] refactored dmabuf->eglImage API into libwayshot

* [feat] - Implemented clean dropping of EGLImage
-  Improved API docs for dmabuf functions

* [fix]  libwayshot build error fixed

* [fix] remove hardcoded GPU path from libwayshot constructor

* [fix]] remove reduntant dmabuf_to_texture call from waymirror-egl

* [docs] document WayshotConnection dmabuf constructor

* [feat] Added helper/wrapper function to convert screencapture EGLImages into GL textures

* [fix] improved logging in dmabuf API code

* [doc] update waymirror-egl Readme

* [fix] change logging level in waymirror-egl to Debug

* [fix] remove unnecessary .gitignore in waymirror-egl

* [ci/cd] attempting to fix the build

* [ci\cd] add libegl system deps to fix github CI

* [fix] remove unused egl_image struct field in Waymirror demo

.github/workflows/build.yml

@@ -12,6 +12,13 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+
+    - name: Install wayland dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y --no-install-recommends \
+          libwayland-dev \
+          libegl-dev \
 
     - name: Build
       run: |

Cargo.toml

@@ -1,6 +1,6 @@
 [workspace]
 resolver = "2"
-members = ["wayshot", "libwayshot"]
+members = ["wayshot", "libwayshot","libwayshot/examples/waymirror-egl"]
 
 [workspace.package]
 authors = ["Shinyzenith <https://aakash.is-a.dev>"]

libwayshot/Cargo.toml

@@ -18,3 +18,10 @@ thiserror = "1"
 wayland-client = "0.31.1"
 wayland-protocols = { version = "0.31.0", features = ["client", "unstable"] }
 wayland-protocols-wlr = { version = "0.2.0", features = ["client"] }
+wayland-backend = { version = "0.3.3", features = ["client_system"] }
+
+gbm = "0.15.0"
+drm = "0.12.0"
+
+gl = "0.14.0"
+khronos-egl = { version = "6.0.0",features = ["static"]  }