Fix up particle emitter to work with Atom (#626)

* Fix up particle emitter component to work with Atom

* PR feedback and disable render target tests until supported

Gems/LyShine/Code/Source/UiImageSequenceComponent.cpp

@@ -12,6 +12,9 @@
 #include "LyShine_precompiled.h"
 
 #include "UiImageSequenceComponent.h"
+#include "Sprite.h"
+#include "RenderGraph.h"
+
 #include <LyShine/Draw2d.h>
 #include <LyShine/ISprite.h>
 #include <LyShine/IRenderGraph.h>
@@ -100,7 +103,7 @@ void UiImageSequenceComponent::Render(LyShine::IRenderGraph* renderGraph)
         return;
     }
 
-    ISprite* sprite = m_spriteList[m_sequenceIndex];
+    CSprite* sprite = dynamic_cast<CSprite*>(m_spriteList[m_sequenceIndex]);
 
     // get fade value (tracked by UiRenderer) and compute the desired alpha for the image
     float fade = renderGraph->GetAlphaFade();
@@ -158,15 +161,23 @@ void UiImageSequenceComponent::Render(LyShine::IRenderGraph* renderGraph)
             }
         }
 
-        ITexture* texture = (sprite) ? sprite->GetTexture() : nullptr;
+        AZ::Data::Instance<AZ::RPI::Image> image;
+        if (sprite)
+        {
+            image = sprite->GetImage();
+        }
         bool isClampTextureMode = false;
         bool isTextureSRGB = false;
         bool isTexturePremultipliedAlpha = false;
         LyShine::BlendMode blendMode = LyShine::BlendMode::Normal;
 
         // Add the quad to the render graph
-        renderGraph->AddPrimitive(&m_cachedPrimitive, texture,
-            isClampTextureMode, isTextureSRGB, isTexturePremultipliedAlpha, blendMode);
+        LyShine::RenderGraph* lyRenderGraph = dynamic_cast<LyShine::RenderGraph*>(renderGraph);
+        if (lyRenderGraph)
+        {
+            lyRenderGraph->AddPrimitiveAtom(&m_cachedPrimitive, image,
+                isClampTextureMode, isTextureSRGB, isTexturePremultipliedAlpha, blendMode);
+        }
     }
 }