Finished webgl bindings

vuelto-org · Apr 29, 2024 · 2416b3e · 2416b3e
1 parent 750e3a2
commit 2416b3e
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Showing 2 changed files with 50 additions and 15 deletions.
diff --git a/internal/gl/webgl/binding.go b/internal/gl/webgl/binding.go
@@ -4,44 +4,79 @@
 package webgl
 
 import (
-  "syscall/js"
-  "vuelto.me/internal/windowing/web"
-)
+	"syscall/js"
 
+	"vuelto.me/internal/windowing/web"
+)
 
 var canvas web.Canvas = web.Document.GetElementById("vuelto")
 var gl web.Context = canvas.GetContext("webgl")
 
 var (
-  VERTEX_SHADER = gl.Get("VERTEX_SHADER")
-  FRAGMENT_SHADER = gl.Get("FRAGMENT_SHADER")
+	VERTEX_SHADER   = gl.Get("VERTEX_SHADER")
+	FRAGMENT_SHADER = gl.Get("FRAGMENT_SHADER")
+
+	ARRAY_BUFFER = gl.Get("ARRAY_BUFFER")
+
+	FLOAT = gl.Get("FLOAT")
 )
 
 func CreateShader(inputType js.Value) js.Value {
-  return gl.Call("createShader", inputType)
+	return gl.Call("createShader", inputType)
 }
 
 func ShaderSource(shader js.Value, source string) {
-  gl.Call("shaderSource", shader, source)
+	gl.Call("shaderSource", shader, source)
 }
 
 func CompileShader(shader js.Value) {
-  gl.Call("compileShader", shader)
+	gl.Call("compileShader", shader)
 }
 
 func CreateProgram() js.Value {
-  return gl.Call("createProgram")
+	return gl.Call("createProgram")
 }
 
 func AttachShader(program, shaderType js.Value) {
-  gl.Call("attachShader", program, shaderType)
+	gl.Call("attachShader", program, shaderType)
 }
 
 func LinkProgram(program js.Value) {
-  gl.Call("linkProgram", program)
+	gl.Call("linkProgram", program)
 }
 
 func CreateBuffer() js.Value {
-  return gl.Call("createBuffer")
+	return gl.Call("createBuffer")
+}
+
+func BindBuffer(target js.Value, buffer js.Value) {
+	gl.Call("bindBuffer", target, buffer)
+}
+
+func BufferData(target js.Value, data []float32, usage js.Value) {
+	gl.Call("bufferData", target, js.TypedArrayOf(data), usage)
+}
+
+func UseProgram(program js.Value) {
+	gl.Call("useProgram", program)
 }
 
+func GetAttribLocation(program js.Value, name string) js.Value {
+	return gl.Call("getAttribLocation", program, name)
+}
+
+func EnableVertexAttribArray(index js.Value) {
+	gl.Call("enableVertexAttribArray", index)
+}
+
+func VertexAttribPointer(index js.Value, size int, typ js.Value, normalized bool, stride int, offset int) {
+	gl.Call("vertexAttribPointer", index, size, typ, normalized, stride, offset)
+}
+
+func GetUniformLocation(program js.Value, name string) js.Value {
+	return gl.Call("getUniformLocation", program, name)
+}
+
+func DrawArrays(mode js.Value, first int, count int) {
+	gl.Call("drawArrays", mode, first, count)
+}
diff --git a/internal/windowing/web/canvas.go b/internal/windowing/web/canvas.go
@@ -31,7 +31,7 @@ func (c *Canvas) IsNull() bool {
 }
 
 func (c *Canvas) AddEventListener(inputEvent string, inputFunc func(this js.Value, args []js.Value) any) {
-    js.Global().Get("window").Call("addEventListener", inputEvent, js.FuncOf(inputFunc))
+	js.Global().Get("window").Call("addEventListener", inputEvent, js.FuncOf(inputFunc))
 }
 
 func (c *Context) Set(inputKey string, inputValue any) {
@@ -55,11 +55,11 @@ func (c *Context) DrawImage(inputImage js.Value, x, y, width, height float64) {
 }
 
 func (c *Context) Call(inputKey string, inputArgs ...any) js.Value {
-  return c.JSContext.Call(inputKey, inputArgs) 
+	return c.JSContext.Call(inputKey, inputArgs)
 }
 
 func (c *Context) Get(inputKey string) js.Value {
-  return c.JSContext.Get(inputKey)
+	return c.JSContext.Get(inputKey)
 }
 
 func GetRGBA(color [4]int) string {