fixes for #183

src/dlangui/graphics/gldrawbuf.d

@@ -27,6 +27,9 @@ import dlangui.core.logger;
 private import dlangui.graphics.glsupport;
 private import std.algorithm;
 
+/// Reference counted GLTexture object
+alias TextureRef = Ref!GLTexture;
+
 interface GLConfigCallback {
     void saveConfiguration();
     void restoreConfiguration();
@@ -792,7 +795,7 @@ public:
 }
 
 /// GL Texture object from image
-static class GLTexture {
+static class GLTexture : RefCountedObject {
     protected string _resourceId;
     protected int _dx;
     protected int _dy;

src/dlangui/graphics/glsupport.d

@@ -25,9 +25,7 @@ static if (ENABLE_OPENGL):
 public import dlangui.core.math3d;
 import dlangui.graphics.scene.mesh;
 import dlangui.core.logger;
-//import derelict.opengl3.gl3;
 import derelict.opengl3.gl;
-//import derelict.opengl3.types;
 import dlangui.core.types;
 import std.conv;
 import std.string;
@@ -115,7 +113,6 @@ string glerrorToString(in GLenum err) pure nothrow {
 
 
 class GLProgram : GraphicsEffect {
-    import derelict.opengl3.types;
     @property abstract string vertexSource();
     @property abstract string fragmentSource();
     protected GLuint program;
@@ -990,6 +987,8 @@ enum GLObjectTypes { Buffer, VertexArray, Texture, Framebuffer };
   * Note: on construction it binds itself to the target, and it binds 0 to target on destruction.
   * All methods (except ctor, dtor, bind(), unbind() and setup()) does not perform binding.
 */
+
+
 class GLObject(GLObjectTypes type, GLuint target = 0) {
     immutable GLuint ID;
     //alias ID this; // good, but it confuses destroy()
@@ -1061,6 +1060,7 @@ class GLObject(GLObjectTypes type, GLuint target = 0) {
         }
     }
 }
+
 alias VAO = GLObject!(GLObjectTypes.VertexArray);
 alias VBO = GLObject!(GLObjectTypes.Buffer, GL_ARRAY_BUFFER);
 alias Tex2D = GLObject!(GLObjectTypes.Texture, GL_TEXTURE_2D);

src/dlangui/graphics/scene/effect.d

@@ -62,7 +62,7 @@ class Effect : GLProgram {
     }
 
     ~this() {
-        _instance.onObjectDestroyed(_id);
+        EffectCache.instance.onObjectDestroyed(_id);
     }
 
     protected void init() {
@@ -151,6 +151,8 @@ class Effect : GLProgram {
 class EffectCache {
     private Effect[EffectId] _map;
 
+    private static __gshared EffectCache _instance;
+
     /// returns effect cache singleton instance
     static @property EffectCache instance() {
         if (!_instance)
@@ -179,4 +181,3 @@ class EffectCache {
     }
 }
 
-private __gshared EffectCache _instance;

src/dlangui/graphics/scene/material.d

@@ -13,11 +13,30 @@ alias MaterialRef = Ref!Material;
 
 class Material : RefCountedObject {
     protected EffectRef _effect;
-    protected GLTexture _texture;
+    protected TextureRef _texture;
+    // TODO: more material properties
 
     @property EffectRef effect() { return _effect; }
-    @property Material effect(EffectRef e) { 
+    /// set as effect instance
+    @property Material effect(EffectRef e) {
         _effect = e; 
         return this;
     }
+    /// set as effect id
+    @property Material effect(EffectId effectId) {
+        _effect = EffectCache.instance.get(effectId); 
+        return this;
+    }
+
+    @property TextureRef texture() { return _texture; }
+    /// set texture
+    @property Material texture(TextureRef e) { 
+        _texture = e; 
+        return this;
+    }
+    /// set texture from resourceId
+    @property Material texture(string resourceId) { 
+        _texture = GLTextureCache.instance.get(resourceId);
+        return this;
+    }
 }