Implement shader caching

Currently loaded shaders can now cached with an API call in either
source code or binary format.
It is necessary to do it that way as the shader cache can only be
created in the target hardware.

Task-number: QT3DS-3914
Change-Id: I094e8624943904c311ada2259a84b8c183f792f5
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>

1 files changed, 5 insertions, 3 deletions

diff --git a/src/engine/Qt3DSRuntimeView.cpp b/src/engine/Qt3DSRuntimeView.cpp
index f9a4768..3ab577c 100644
--- a/src/engine/Qt3DSRuntimeView.cpp
+++ b/src/engine/Qt3DSRuntimeView.cpp
@@ -171,7 +171,7 @@ public:
     bool BeginLoad(const QString &sourcePath, const QStringList &variantList) override;
     bool HasOfflineLoadingCompleted() override;
     bool InitializeGraphics(const QSurfaceFormat &format, bool delayedLoading,
-                            bool initInRenderThread) override;
+                            bool initInRenderThread, const QByteArray &shaderCache) override;
     void connectSignals() override;
     void finishAsyncInit() override;
 
@@ -237,6 +237,7 @@ public:
     void unloadSlide(const QString &slide) override;
     void setDelayedLoading(bool enable) override;
     void BootupPreGraphicsInitObjects();
+    QByteArray exportShaderCache(bool binaryShaders);
 };
 
 CRuntimeView::CRuntimeView(ITimeProvider &inTimeProvider, IWindowSystem &inWindowSystem,
@@ -298,7 +299,7 @@ bool CRuntimeView::HasOfflineLoadingCompleted()
 }
 
 bool CRuntimeView::InitializeGraphics(const QSurfaceFormat &format, bool delayedLoading,
-                                      bool initInRenderThread)
+                                      bool initInRenderThread, const QByteArray &shaderCache)
 {
     m_ApplicationCore->EndLoad();
     // Next call will initialize the render portion of the scenes.  This *must* have a loaded
@@ -306,7 +307,8 @@ bool CRuntimeView::InitializeGraphics(const QSurfaceFormat &format, bool delayed
     m_RuntimeFactory = m_RuntimeFactoryCore->CreateRenderFactory(format, delayedLoading);
     m_Application
             = m_ApplicationCore->CreateApplication(*m_InputEngine, m_AudioPlayer,
-                                                   *m_RuntimeFactory, initInRenderThread);
+                                                   *m_RuntimeFactory, shaderCache,
+                                                   initInRenderThread);
     if (!m_Application->createSuccessful())
         return false;