// We traversed up the tree, we need to apply a new scissor rectangle (unless we are at the root).
traversedUpTree = true;
}
- else if( clippingNode && childStackDepth > 0u && childStackDepth == scissorDepth ) // case of sibling clip area
+ if( clippingNode && childStackDepth > 0u && childStackDepth == scissorDepth ) // case of sibling clip area
{
mScissorStack.pop_back();
--childStackDepth;
}
}
-inline void RenderAlgorithms::SetupClipping( const RenderItem& item, Context& context, bool& usedStencilBuffer, uint32_t& lastClippingDepth, uint32_t& lastClippingId )
+inline void RenderAlgorithms::SetupClipping( const RenderItem& item,
+ Context& context,
+ bool& usedStencilBuffer,
+ uint32_t& lastClippingDepth,
+ uint32_t& lastClippingId,
+ Integration::StencilBufferAvailable stencilBufferAvailable )
{
RenderMode::Type renderMode = RenderMode::AUTO;
const Renderer *renderer = item.mRenderer;
// Turn the color buffer on as we always want to render this renderer, regardless of clipping hierarchy.
context.ColorMask( true );
- // The automatic clipping feature will manage the scissor and stencil functions.
+ // The automatic clipping feature will manage the scissor and stencil functions, only if stencil buffer is available for the latter.
// As both scissor and stencil clips can be nested, we may be simultaneously traversing up the scissor tree, requiring a scissor to be un-done. Whilst simultaneously adding a new stencil clip.
// We process both based on our current and old clipping depths for each mode.
// Both methods with return rapidly if there is nothing to be done for that type of clipping.
SetupScissorClipping( item, context );
- SetupStencilClipping( item, context, lastClippingDepth, lastClippingId );
+
+ if( stencilBufferAvailable == Integration::StencilBufferAvailable::TRUE )
+ {
+ SetupStencilClipping( item, context, lastClippingDepth, lastClippingId );
+ }
break;
}
{
// No clipping is performed for these modes.
// Note: We do not turn off scissor clipping as it may be used for the whole layer.
- // The stencil buffer will not be used at all.
- context.EnableStencilBuffer( false );
+ // The stencil buffer will not be used at all, but we only need to disable it if it's available.
+ if( stencilBufferAvailable == Integration::StencilBufferAvailable::TRUE )
+ {
+ context.EnableStencilBuffer( false );
+ }
// Setup the color buffer based on the RenderMode.
context.ColorMask( renderMode == RenderMode::COLOR );
case RenderMode::STENCIL:
case RenderMode::COLOR_STENCIL:
{
- // We are using the low-level Renderer Stencil API.
- // The stencil buffer must be enabled for every renderer with stencil mode on, as renderers in between can disable it.
- // Note: As the command state is cached, it is only sent when needed.
- context.EnableStencilBuffer( true );
-
- // Setup the color buffer based on the RenderMode.
- context.ColorMask( renderMode == RenderMode::COLOR_STENCIL );
-
- // If this is the first use of the stencil buffer within this RenderList, clear it (this avoids unnecessary clears).
- if( !usedStencilBuffer )
+ if( stencilBufferAvailable == Integration::StencilBufferAvailable::TRUE )
{
- context.Clear( GL_STENCIL_BUFFER_BIT, Context::CHECK_CACHED_VALUES );
- usedStencilBuffer = true;
+ // We are using the low-level Renderer Stencil API.
+ // The stencil buffer must be enabled for every renderer with stencil mode on, as renderers in between can disable it.
+ // Note: As the command state is cached, it is only sent when needed.
+ context.EnableStencilBuffer( true );
+
+ // Setup the color buffer based on the RenderMode.
+ context.ColorMask( renderMode == RenderMode::COLOR_STENCIL );
+
+ // If this is the first use of the stencil buffer within this RenderList, clear it (this avoids unnecessary clears).
+ if( !usedStencilBuffer )
+ {
+ context.Clear( GL_STENCIL_BUFFER_BIT, Context::CHECK_CACHED_VALUES );
+ usedStencilBuffer = true;
+ }
+
+ // Setup the stencil buffer based on the renderers properties.
+ context.StencilFunc( DaliStencilFunctionToGL[ renderer->GetStencilFunction() ],
+ renderer->GetStencilFunctionReference(),
+ renderer->GetStencilFunctionMask() );
+ context.StencilOp( DaliStencilOperationToGL[ renderer->GetStencilOperationOnFail() ],
+ DaliStencilOperationToGL[ renderer->GetStencilOperationOnZFail() ],
+ DaliStencilOperationToGL[ renderer->GetStencilOperationOnZPass() ] );
+ context.StencilMask( renderer->GetStencilMask() );
}
-
- // Setup the stencil buffer based on the renderers properties.
- context.StencilFunc( DaliStencilFunctionToGL[ renderer->GetStencilFunction() ],
- renderer->GetStencilFunctionReference(),
- renderer->GetStencilFunctionMask() );
- context.StencilOp( DaliStencilOperationToGL[ renderer->GetStencilOperationOnFail() ],
- DaliStencilOperationToGL[ renderer->GetStencilOperationOnZFail() ],
- DaliStencilOperationToGL[ renderer->GetStencilOperationOnZPass() ] );
- context.StencilMask( renderer->GetStencilMask() );
break;
}
}
}
-inline void RenderAlgorithms::ProcessRenderList(
- const RenderList& renderList,
- Context& context,
- BufferIndex bufferIndex,
- const Matrix& viewMatrix,
- const Matrix& projectionMatrix )
+inline void RenderAlgorithms::ProcessRenderList( const RenderList& renderList,
+ Context& context,
+ BufferIndex bufferIndex,
+ const Matrix& viewMatrix,
+ const Matrix& projectionMatrix,
+ Integration::DepthBufferAvailable depthBufferAvailable,
+ Integration::StencilBufferAvailable stencilBufferAvailable )
{
DALI_PRINT_RENDER_LIST( renderList );
// Note: The depth buffer is enabled or disabled on a per-renderer basis.
// Here we pre-calculate the value to use if these modes are set to AUTO.
- const bool autoDepthTestMode( !( renderList.GetSourceLayer()->IsDepthTestDisabled() ) && renderList.HasColorRenderItems() );
+ const bool autoDepthTestMode( ( depthBufferAvailable == Integration::DepthBufferAvailable::TRUE ) &&
+ !( renderList.GetSourceLayer()->IsDepthTestDisabled() ) &&
+ renderList.HasColorRenderItems() );
const std::size_t count = renderList.Count();
uint32_t lastClippingDepth( 0u );
uint32_t lastClippingId( 0u );
// Set up clipping based on both the Renderer and Actor APIs.
// The Renderer API will be used if specified. If AUTO, the Actors automatic clipping feature will be used.
- SetupClipping( item, context, usedStencilBuffer, lastClippingDepth, lastClippingId );
+ SetupClipping( item, context, usedStencilBuffer, lastClippingDepth, lastClippingId, stencilBufferAvailable );
if( DALI_LIKELY( item.mRenderer ) )
{
- // Set up the depth buffer based on per-renderer flags.
+ // Set up the depth buffer based on per-renderer flags if depth buffer is available
// If the per renderer flags are set to "ON" or "OFF", they will always override any Layer depth mode or
// draw-mode state, such as Overlays.
// If the flags are set to "AUTO", the behavior then depends on the type of renderer. Overlay Renderers will always
// disable depth testing and writing. Color Renderers will enable them if the Layer does.
- SetupDepthBuffer( item, context, autoDepthTestMode, firstDepthBufferUse );
+ if( depthBufferAvailable == Integration::DepthBufferAvailable::TRUE )
+ {
+ SetupDepthBuffer( item, context, autoDepthTestMode, firstDepthBufferUse );
+ }
// Render the item.
item.mRenderer->Render( context, bufferIndex, *item.mNode, item.mModelMatrix, item.mModelViewMatrix,
{
}
-void RenderAlgorithms::ProcessRenderInstruction( const RenderInstruction& instruction, Context& context, BufferIndex bufferIndex )
+void RenderAlgorithms::ProcessRenderInstruction( const RenderInstruction& instruction,
+ Context& context,
+ BufferIndex bufferIndex,
+ Integration::DepthBufferAvailable depthBufferAvailable,
+ Integration::StencilBufferAvailable stencilBufferAvailable )
{
DALI_PRINT_RENDER_INSTRUCTION( instruction, bufferIndex );
if( renderList && !renderList->IsEmpty() )
{
- ProcessRenderList( *renderList, context, bufferIndex, *viewMatrix, *projectionMatrix );
+ ProcessRenderList( *renderList,
+ context,
+ bufferIndex,
+ *viewMatrix,
+ *projectionMatrix,
+ depthBufferAvailable,
+ stencilBufferAvailable );
}
}
}
projects / platform / core / uifw / dali-core.git / blobdiff