Allow layers with a stencil buffer to be resized on the fly

Bug #7146141

This change moves the resizeLayer() from LayerCache (where it should
never have been anyway) to Layer. This makes a little more sense.

Change-Id: I8b2f9c19c558e738405a58b9e71ec5799fc6be88

1 files changed, 5 insertions, 4 deletions

diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index be34b40ee42f..f55bc9d2a381 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -1248,11 +1248,12 @@ void OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) {
         // TODO: See Layer::removeFbo(). The stencil renderbuffer should be cached
         GLuint buffer;
         glGenRenderbuffers(1, &buffer);
-        glBindRenderbuffer(GL_RENDERBUFFER, buffer);
-        glRenderbufferStorage(GL_RENDERBUFFER, GL_STENCIL_INDEX8,
-                layer->getWidth(), layer->getHeight());
-        glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, buffer);
+
         layer->setStencilRenderBuffer(buffer);
+        layer->bindStencilRenderBuffer();
+        layer->allocateStencilRenderBuffer();
+
+        glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, buffer);
     }
 }