remove gl renderer and need to use CGO (#8)

.github/workflows/go.yaml

@@ -41,7 +41,7 @@ jobs:
         run: go version && go mod download
 
       - name: Run tests
-        run: make test-no-gui
+        run: make test
 
       - name: Run linter
         run: make lint

.golangci.yml

@@ -1,8 +1,6 @@
 run:
   timeout: 5m
   modules-download-mode: readonly
-  build-tags:
-    - nogui
 
 linters:
   enable:

Makefile

@@ -6,19 +6,14 @@ help: ## show help, shown by default if no target is specified
 lint: ## run code linters
 	golangci-lint run
 
-build-all: ## build code with all 3 GUI mode settings
-	go build ./...
-	go build -tags noopengl,sdl ./...
-	go build -tags nogui ./...
+build: ## build code
+	CGO_ENABLED=0 go build ./...
 
 test: ## run tests
 	go test -timeout 10s -race ./...
 
-test-no-gui: ## run unit tests with gui disabled
-	go test -timeout 10s -tags nogui ./...
-
 test-coverage: ## run unit tests and create test coverage
-	go test -timeout 10s -tags nogui ./... -coverprofile coverage.txt
+	go test -timeout 10s ./... -coverprofile coverage.txt
 
 test-coverage-web: test-coverage ## run unit tests and show test coverage in browser
 	go tool cover -func coverage.txt | grep total | awk '{print "Total coverage: "$$3}'

README.md

@@ -11,6 +11,8 @@ RetroGoLib is a Golang library designed to simplify the development of tools for
 It provides a set of functionalities that can be used to create tools for various retro consoles,
 like emulators and debugging tools, all while keeping dependencies to a minimum.
 
+The GUI renderer supports SDL without the use of CGO/SDL2, which makes it easier to build and distribute.
+
 ## Current system support
 
 CPUs:
@@ -27,7 +29,6 @@ Systems:
     ├─ arch/nes         NES common types and helpers
     ├─ assert           test assertion helpers
     ├─ buildinfo        show version info that is embedded in the binary
-    ├─ cpu              general CPU defines and helpers
     ├─ gui              GUIs renderers
     ├─ input            hardware controller/keyboard helpers
     ├─ log              fast and structured logging based on slog

go.mod

@@ -2,9 +2,4 @@ module github.com/retroenv/retrogolib
 
 go 1.22
 
-require (
-	github.com/go-gl/gl v0.0.0-20231021071112-07e5d0ea2e71
-	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20240506104042-037f3cc74f2a
-	github.com/veandco/go-sdl2 v0.4.40
-	github.com/ebitengine/purego v0.8.1
-)
+require github.com/ebitengine/purego v0.8.1

go.sum

@@ -1,8 +1,2 @@
 github.com/ebitengine/purego v0.8.1 h1:sdRKd6plj7KYW33EH5As6YKfe8m9zbN9JMrOjNVF/BE=
 github.com/ebitengine/purego v0.8.1/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
-github.com/go-gl/gl v0.0.0-20231021071112-07e5d0ea2e71 h1:5BVwOaUSBTlVZowGO6VZGw2H/zl9nrd3eCZfYV+NfQA=
-github.com/go-gl/gl v0.0.0-20231021071112-07e5d0ea2e71/go.mod h1:9YTyiznxEY1fVinfM7RvRcjRHbw2xLBJ3AAGIT0I4Nw=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20240506104042-037f3cc74f2a h1:vxnBhFDDT+xzxf1jTJKMKZw3H0swfWk9RpWbBbDK5+0=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20240506104042-037f3cc74f2a/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/veandco/go-sdl2 v0.4.40 h1:fZv6wC3zz1Xt167P09gazawnpa0KY5LM7JAvKpX9d/U=
-github.com/veandco/go-sdl2 v0.4.40/go.mod h1:OROqMhHD43nT4/i9crJukyVecjPNYYuCofep6SNiAjY=

gui/gui.go

@@ -1,5 +1,3 @@
-//go:build !nesgo
-
 // Package gui implements different GUIs renderers.
 package gui