Fixes busted Game::clear functionality caused by Forms/UI calling glClear directly instead of going through the Game::clear.

gameplay/src/Container.cpp

@@ -271,7 +271,6 @@ Control* Container::getControl(const char* id) const
             }
         }
     }
-
     return NULL;
 }
 
@@ -381,13 +380,10 @@ void Container::draw(SpriteBatch* spriteBatch, const Rectangle& clip, bool needs
     if (needsClear)
     {
         GL_ASSERT( glEnable(GL_SCISSOR_TEST) );
-        GL_ASSERT( glClearColor(0, 0, 0, 0) );
         float clearY = targetHeight - _clearBounds.y - _clearBounds.height;
-        GL_ASSERT( glScissor(_clearBounds.x, clearY,
-            _clearBounds.width, _clearBounds.height) );
-        GL_ASSERT( glClear(GL_COLOR_BUFFER_BIT) );
+        GL_ASSERT( glScissor(_clearBounds.x, clearY, _clearBounds.width, _clearBounds.height) );
+        Game::getInstance()->clear(Game::CLEAR_COLOR, Vector4::zero(), 1.0f, 0);
         GL_ASSERT( glDisable(GL_SCISSOR_TEST) );
-
         needsClear = false;
         cleared = true;
     }
@@ -440,9 +436,7 @@ void Container::draw(SpriteBatch* spriteBatch, const Rectangle& clip, bool needs
 
             clipRegion.width += verticalRegion.width;
 
-            Rectangle bounds(_viewportBounds.x + _viewportBounds.width - verticalRegion.width,
-                             _viewportBounds.y + _scrollBarBounds.y,
-                             topRegion.width, topRegion.height);
+            Rectangle bounds(_viewportBounds.x + _viewportBounds.width - verticalRegion.width, _viewportBounds.y + _scrollBarBounds.y, topRegion.width, topRegion.height);
             spriteBatch->draw(bounds.x, bounds.y, bounds.width, bounds.height, topUVs.u1, topUVs.v1, topUVs.u2, topUVs.v2, topColor, clipRegion);
 
             bounds.y += topRegion.height;
@@ -474,9 +468,7 @@ void Container::draw(SpriteBatch* spriteBatch, const Rectangle& clip, bool needs
 
             clipRegion.height += horizontalRegion.height;
         
-            Rectangle bounds(_viewportBounds.x + _scrollBarBounds.x,
-                             _viewportBounds.y + _viewportBounds.height - horizontalRegion.height,
-                             leftRegion.width, leftRegion.height);
+            Rectangle bounds(_viewportBounds.x + _scrollBarBounds.x, _viewportBounds.y + _viewportBounds.height - horizontalRegion.height, leftRegion.width, leftRegion.height);
             spriteBatch->draw(bounds.x, bounds.y, bounds.width, bounds.height, leftUVs.u1, leftUVs.v1, leftUVs.u2, leftUVs.v2, leftColor, clipRegion);
 
             bounds.x += leftRegion.width;

gameplay/src/Control.cpp

@@ -977,10 +977,8 @@ void Control::draw(SpriteBatch* spriteBatch, const Rectangle& clip, bool needsCl
     if (needsClear)
     {
         GL_ASSERT( glEnable(GL_SCISSOR_TEST) );
-        GL_ASSERT( glClearColor(0, 0, 0, 0) );
-        GL_ASSERT( glScissor(_clearBounds.x, targetHeight - _clearBounds.y - _clearBounds.height,
-            _clearBounds.width, _clearBounds.height) );
-        GL_ASSERT( glClear(GL_COLOR_BUFFER_BIT) );
+        GL_ASSERT( glScissor(_clearBounds.x, targetHeight - _clearBounds.y - _clearBounds.height, _clearBounds.width, _clearBounds.height) );
+        Game::getInstance()->clear(Game::CLEAR_COLOR, Vector4::zero(), 1.0f, 0);
         GL_ASSERT( glDisable(GL_SCISSOR_TEST) );
     }
 

gameplay/src/Form.cpp

@@ -240,9 +240,7 @@ void Form::setSize(float width, float height)
         Rectangle prevViewport = game->getViewport();
         game->setViewport(Rectangle(0, 0, width, height));
         _theme->setProjectionMatrix(_projectionMatrix);
-        GL_ASSERT( glClearColor(0, 0, 0, 0) );
-        GL_ASSERT( glClear(GL_COLOR_BUFFER_BIT) );
-        GL_ASSERT( glClearColor(0, 0, 0, 1) );
+        game->clear(Game::CLEAR_COLOR, Vector4::zero(), 1.0, 0);
         _theme->setProjectionMatrix(_defaultProjectionMatrix);
         FrameBuffer::bindDefault();
         game->setViewport(prevViewport);
@@ -544,6 +542,7 @@ void Form::initializeQuad(Mesh* mesh)
     RenderState::StateBlock* stateBlock = _theme->getSpriteBatch()->getStateBlock();
     GP_ASSERT(stateBlock);
     stateBlock->setDepthWrite(true);
+    stateBlock->setDepthTest(false);
     material->setStateBlock(stateBlock);
 
     // Bind the WorldViewProjection matrix.