commit 8000a99e79200b972fe8a6d26575c80f5959a757
author Corentin Wallez <cwallez@chromium.org> Tue Dec 15 14:11:59 2015 -0500
committer Corentin Wallez <cwallez@chromium.org> Wed Jan 13 15:11:37 2016 +0000
tree 0c1497471f533c810fcc12309e1b6dee92d59b34
parent 5faa15bfcb7c66b3660af0f37bfc9103d14ff822

WindowSurfaceCGL: make resizing work correctly.

Previously the code didn't resize the depth buffer. Also adds a magic
setNeedsDisplay call when resizing a CALayer.

BUG=angleproject:1233

Change-Id: Id1906312f58d474e95a1b5ebfc15eff4344cd126
Reviewed-on: https://chromium-review.googlesource.com/318450
Tryjob-Request: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>

src/libANGLE/renderer/gl/cgl/WindowSurfaceCGL.mm

diff --git a/src/libANGLE/renderer/gl/cgl/WindowSurfaceCGL.mm b/src/libANGLE/renderer/gl/cgl/WindowSurfaceCGL.mm
index 656e91a..f80bb1a 100644
--- a/src/libANGLE/renderer/gl/cgl/WindowSurfaceCGL.mm
+++ b/src/libANGLE/renderer/gl/cgl/WindowSurfaceCGL.mm
@@ -112,6 +112,9 @@
         if ([self frame].size.width != texture.width || [self frame].size.height != texture.height)
         {
             [self setFrame:CGRectMake(0, 0, texture.width, texture.height)];
+
+            // Without this, the OSX compositor / window system doesn't see the resize.
+            [self setNeedsDisplay];
         }
 
         // TODO(cwallez) support 2.1 contexts too that don't have blitFramebuffer nor the
@@ -251,6 +254,10 @@
         mStateManager->bindTexture(GL_TEXTURE_2D, texture.texture);
         mFunctions->texImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA,
                                GL_UNSIGNED_BYTE, nullptr);
+
+        mStateManager->bindRenderbuffer(GL_RENDERBUFFER, mDSRenderbuffer);
+        mFunctions->renderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, width, height);
+
         texture.width  = width;
         texture.height = height;
     }