Fixes FBO completeness check

src/libGLESv2/Context.cpp

@@ -236,7 +236,7 @@ void Context::makeCurrent(egl::Display *display, egl::Surface *surface)
     IDirect3DSurface9 *defaultRenderTarget = surface->getRenderTarget();
     IDirect3DSurface9 *depthStencil = surface->getDepthStencil();
 
-    Framebuffer *framebufferZero = new Framebuffer();
+    Framebuffer *framebufferZero = new Framebuffer(0);
     Colorbuffer *colorbufferZero = new Colorbuffer(defaultRenderTarget);
     DepthStencilbuffer *depthStencilbufferZero = new DepthStencilbuffer(depthStencil);
 
@@ -874,7 +874,7 @@ void Context::bindFramebuffer(GLuint framebuffer)
 {
     if (!getFramebuffer(framebuffer))
     {
-        mFramebufferMap[framebuffer] = new Framebuffer();
+        mFramebufferMap[framebuffer] = new Framebuffer(framebuffer);
     }
 
     mState.framebuffer = framebuffer;

src/libGLESv2/Framebuffer.cpp

@@ -16,7 +16,7 @@
 
 namespace gl
 {
-Framebuffer::Framebuffer()
+    Framebuffer::Framebuffer(GLuint handle) : mHandle(handle)
 {
     mColorbufferType = GL_NONE;
     mColorbufferHandle = 0;
@@ -225,6 +225,8 @@ GLenum Framebuffer::completeness()
     int width = 0;
     int height = 0;
 
+    if (mHandle != 0)
+    {
         if (mColorbufferType != GL_NONE)
         {
             Colorbuffer *colorbuffer = getColorbuffer();
@@ -242,6 +244,10 @@ GLenum Framebuffer::completeness()
             width = colorbuffer->getWidth();
             height = colorbuffer->getHeight();
         }
+        else
+        {
+            return GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT;
+        }
 
         DepthStencilbuffer *depthbuffer = NULL;
         DepthStencilbuffer *stencilbuffer = NULL;
@@ -305,6 +311,7 @@ GLenum Framebuffer::completeness()
                 return GL_FRAMEBUFFER_UNSUPPORTED;
             }
         }
+    }
 
     return GL_FRAMEBUFFER_COMPLETE;
 }

src/libGLESv2/Framebuffer.h

@@ -26,7 +26,7 @@ class DepthStencilbuffer;
 class Framebuffer
 {
   public:
-    Framebuffer();
+    explicit Framebuffer(GLuint handle);
 
     ~Framebuffer();
 
@@ -68,6 +68,8 @@ class Framebuffer
 
     GLuint mStencilbufferHandle;
     GLenum mStencilbufferType;
+
+    GLuint mHandle;
 };
 }