Support alpha channel initial work

In this initial work, all (almost) color properties are converted into a new type (float4) to
support an alpha channel. Alpha channel option is shown in the color dialog for Layer and Scene
background properties only. The following is remaining:
- Scene background alpha doesn't work in the editor (works in the viewer RT1)

Task-number: QT3DS-3128
Change-Id: Ib5540ebc8e2ff68709473451e4a92bf66ddb8ad2
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/Runtime/Source/runtimerender/Qt3DSOffscreenRenderManager.h b/src/Runtime/Source/runtimerender/Qt3DSOffscreenRenderManager.h
index 57dcf430..6d821624 100644
--- a/src/Runtime/Source/runtimerender/Qt3DSOffscreenRenderManager.h
+++ b/src/Runtime/Source/runtimerender/Qt3DSOffscreenRenderManager.h
@@ -170,7 +170,7 @@ namespace render {
         virtual void RenderWithClear(const SOffscreenRendererEnvironment &inEnvironment,
                             NVRenderContext &inRenderContext, QT3DSVec2 inPresentationScaleFactor,
                             SScene::RenderClearCommand inColorBufferNeedsClear,
-                            QT3DSVec3 inclearColor,
+                            QT3DSVec4 inclearColor,
                             const SRenderInstanceId instanceId) = 0;
 
         // Implementors should implement one of the two interfaces below.