Allow more types for UpdateTextureRec

Author: gen2brain

raylib/raylib_purego.go

@@ -2866,7 +2866,16 @@ func UpdateTexture(texture Texture2D, pixels any) {
 
 // UpdateTextureRec - Update GPU texture rectangle with new data
 func UpdateTextureRec(texture Texture2D, rec Rectangle, pixels []color.RGBA) {
-	updateTextureRec(uintptr(unsafe.Pointer(&texture)), uintptr(unsafe.Pointer(&rec)), unsafe.SliceData(pixels))
+	var cpixels unsafe.Pointer
+	switch p := pixels.(type) {
+	case []color.RGBA:
+		cpixels = unsafe.Pointer(&p[0])
+	case *image.RGBA:
+		cpixels = unsafe.Pointer(&p.Pix[0])
+	case []byte:
+		cpixels = unsafe.Pointer(&p[0])
+	}
+	updateTextureRec(uintptr(unsafe.Pointer(&texture)), uintptr(unsafe.Pointer(&rec)), cpixels)
 }
 
 // GenTextureMipmaps - Generate GPU mipmaps for a texture

raylib/rtextures.go

@@ -255,10 +255,18 @@ func UpdateTexture(texture Texture2D, pixels any) {
 	C.UpdateTexture(*ctexture, cpixels)
 }
 
-// UpdateTextureRec - Update GPU texture rectangle with new data
-func UpdateTextureRec(texture Texture2D, rec Rectangle, pixels []color.RGBA) {
+// UpdateTextureRec - Update GPU texture rectangle with new data ([]color.RGBA, *image.RGBA or []byte)
+func UpdateTextureRec(texture Texture2D, rec Rectangle, pixels any) {
+	var cpixels unsafe.Pointer
+	switch p := pixels.(type) {
+	case []color.RGBA:
+		cpixels = unsafe.Pointer(&p[0])
+	case *image.RGBA:
+		cpixels = unsafe.Pointer(&p.Pix[0])
+	case []byte:
+		cpixels = unsafe.Pointer(&p[0])
+	}
 	ctexture := texture.cptr()
-	cpixels := unsafe.Pointer(&pixels[0])
 	crec := rec.cptr()
 	C.UpdateTextureRec(*ctexture, *crec, cpixels)
 }