X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=glws_wgl.cpp;h=9e8f1e036432a81298b135004c835e790a1e773f;hb=1a9f7af32205d900c88fef0b544546eb0d7c84ee;hp=b1e274b5f9314f27e2394f1ea362b70f0a4d3cb9;hpb=7497c130f98f33f41437678835f4b2eb2abce750;p=apitrace

diff --git a/glws_wgl.cpp b/glws_wgl.cpp
index b1e274b..9e8f1e0 100644
--- a/glws_wgl.cpp
+++ b/glws_wgl.cpp
@@ -81,7 +81,7 @@ public:
         }
 
         dwExStyle = 0;
-        dwStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VISIBLE | WS_OVERLAPPEDWINDOW;
+        dwStyle = WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW;
 
         int x = 0, y = 0;
 
@@ -107,10 +107,11 @@ public:
         hDC = GetDC(hWnd);
    
         memset(&pfd, 0, sizeof pfd);
-        pfd.cColorBits = 3;
+        pfd.cColorBits = 4;
         pfd.cRedBits = 1;
         pfd.cGreenBits = 1;
         pfd.cBlueBits = 1;
+        pfd.cAlphaBits = 1;
         pfd.cDepthBits = 1;
         pfd.cStencilBits = 1;
         pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
@@ -144,6 +145,14 @@ public:
         SetWindowPos(hWnd, NULL, rWindow.left, rWindow.top, w, h, SWP_NOMOVE);
     }
 
+    void show(void) {
+        if (!visible) {
+            ShowWindow(hWnd, SW_SHOW);
+
+            Drawable::show();
+        }
+    }
+
     void swapBuffers(void) {
         SwapBuffers(hDC);
     }
@@ -154,10 +163,12 @@ class WglContext : public Context
 {
 public:
     HGLRC hglrc;
-    
-    WglContext(const Visual *vis) :
+    WglContext *shareContext;
+
+    WglContext(const Visual *vis, WglContext *share) :
         Context(vis),
-        hglrc(0)
+        hglrc(0),
+        shareContext(share)
     {}
 
     ~WglContext() {
@@ -187,9 +198,9 @@ public:
     }
 
     Context *
-    createContext(const Visual *visual)
+    createContext(const Visual *visual, Context *shareContext)
     {
-        return new WglContext(visual);
+        return new WglContext(visual, dynamic_cast<WglContext *>(shareContext));
     }
 
     bool
@@ -206,6 +217,10 @@ public:
                 if (!wglContext->hglrc) {
                     return false;
                 }
+                if (wglContext->shareContext) {
+                    wglShareLists(wglContext->shareContext->hglrc,
+                                  wglContext->hglrc);
+                }
             }
 
             return wglMakeCurrent(wglDrawable->hDC, wglContext->hglrc);