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, 3 insertions, 3 deletions

diff --git a/src/Runtime/Source/runtimerender/graphobjects/Qt3DSRenderDefaultMaterial.h b/src/Runtime/Source/runtimerender/graphobjects/Qt3DSRenderDefaultMaterial.h
index 09595236..48c8d0ba 100644
--- a/src/Runtime/Source/runtimerender/graphobjects/Qt3DSRenderDefaultMaterial.h
+++ b/src/Runtime/Source/runtimerender/graphobjects/Qt3DSRenderDefaultMaterial.h
@@ -80,16 +80,16 @@ namespace render {
         SImage *m_IblProbe;
         DefaultMaterialLighting::Enum m_Lighting; // defaults to vertex
         DefaultMaterialBlendMode::Enum m_BlendMode; // defaults to normal
-        QT3DSVec3 m_DiffuseColor; // colors are 0-1 normalized
+        QT3DSVec4 m_DiffuseColor; // colors are 0-1 normalized
         SImage *m_DiffuseMaps[3];
         QT3DSF32 m_EmissivePower; // 0-100, defaults to 0
-        QT3DSVec3 m_EmissiveColor;
+        QT3DSVec4 m_EmissiveColor;
         SImage *m_EmissiveMap;
         SImage *m_EmissiveMap2;
         SImage *m_SpecularReflection;
         SImage *m_SpecularMap;
         DefaultMaterialSpecularModel::Enum m_SpecularModel;
-        QT3DSVec3 m_SpecularTint;
+        QT3DSVec4 m_SpecularTint;
         QT3DSF32 m_IOR;
         QT3DSF32 m_FresnelPower;
         QT3DSF32 m_SpecularAmount; // 0-??, defaults to 0