From: Alexis Laferrière <alexis.laf@xymus.net>
Date: Sat, 10 Jun 2017 18:39:45 +0000 (-0400)
Subject: gamnit: move `pixelated=` up to `Texture`
X-Git-Url: http://nitlanguage.org

gamnit: move `pixelated=` up to `Texture`

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>
---

diff --git a/lib/gamnit/textures.nit b/lib/gamnit/textures.nit
index 271e688..fabed02 100644
--- a/lib/gamnit/textures.nit
+++ b/lib/gamnit/textures.nit
@@ -96,6 +96,22 @@ abstract class Texture
 
 	# Offset of the bottom border on `root` from 0.0 to 1.0
 	fun offset_bottom: Float do return 1.0
+
+	# Should this texture be drawn pixelated when magnified? otherwise it is interpolated
+	#
+	# This setting affects all the textures based on the same pixel data, or `root`.
+	#
+	# Must be set after a successful call to `load`.
+	fun pixelated=(pixelated: Bool)
+	do
+		if root.gl_texture == -1 then return
+
+		# TODO do not modify `root` by using *sampler objects* in glesv3
+		glBindTexture(gl_TEXTURE_2D, root.gl_texture)
+
+		var param = if pixelated then gl_NEAREST else gl_LINEAR
+		glTexParameteri(gl_TEXTURE_2D, gl_TEXTURE_MAG_FILTER, param)
+	end
 end
 
 # Colorful small texture of 32x32 pixels by default
@@ -228,18 +244,6 @@ class RootTexture
 		cpixels.destroy
 	end
 
-	# Set whether this texture should be pixelated when drawn, otherwise it is interpolated
-	fun pixelated=(pixelated: Bool)
-	do
-		# TODO this service could be made available in `Texture` when using
-		# the kind of texture wrapper of gles v2 or maybe 3
-
-		glBindTexture(gl_TEXTURE_2D, gl_texture)
-
-		var param = if pixelated then gl_NEAREST else gl_LINEAR
-		glTexParameteri(gl_TEXTURE_2D, gl_TEXTURE_MAG_FILTER, param)
-	end
-
 	# Has this resource been deleted?
 	var deleted = false