1 files changed, 46 insertions, 0 deletions
diff --git a/Runtime/Camera/ImageFilters.h b/Runtime/Camera/ImageFilters.h
new file mode 100644
index 0000000..36439af
--- /dev/null
+++ b/Runtime/Camera/ImageFilters.h
@@ -0,0 +1,46 @@
+#pragma once
+
+#include "Renderable.h"
+
+class RenderTexture;
+class Texture;
+class Vector2f;
+class GfxDevice;
+namespace Unity { class Material; }
+
+
+// Image filters functionality. Only used internally by the camera (and other minor places).
+class ImageFilters
+{
+public:
+	ImageFilters() : m_FirstTargetTexture(NULL), m_SecondTargetTexture(NULL), m_FinalTargetTexture(NULL) { }
+
+	void AddImageFilter (const ImageFilter& filter);
+	void RemoveImageFilter (const ImageFilter& filter);
+	bool HasImageFilter() const { return !(m_AfterOpaque.empty() && m_AfterEverything.empty()); }
+	bool HasAfterOpaqueFilters() const { return !m_AfterOpaque.empty(); }
+
+	void DoRender (RenderTexture* finalRT, bool forceIntoRT, bool afterOpaque, bool usingScreenToComposite, bool hdr = false);
+	void Prepare (bool forceIntoRT, bool hdr = false, int antiAliasing = 1);
+	RenderTexture* GetTargetBeforeOpaque ();
+	RenderTexture* GetTargetAfterOpaque (bool forceIntoRT, bool usingScreenToComposite);
+	RenderTexture* GetTargetFinal ();
+	RenderTexture* SwitchTargetToLDR (RenderTexture* oldRt, bool requestLinear);
+	void ReleaseTargetForLDR (RenderTexture** oldRt);
+
+	static void Blit (Texture* source, RenderTexture* dest);
+	static void Blit (Texture* source, RenderTexture* dest, Unity::Material* mat, int pass, bool setRT);
+	static void BlitMultiTap (Texture* source, RenderTexture* dest, Unity::Material* mat, int count, const Vector2f* offsets);
+	static void DrawQuadNoGPUTimestamp (GfxDevice& device, bool invertY, float uvX, float uvY);
+	static void DrawQuad (GfxDevice& device, bool invertY, float uvX, float uvY);
+private:
+	static void SetCurrentRenderTarget (RenderTexture* dest, UInt32 flags);
+
+private:
+	typedef std::vector<ImageFilter> Filters;
+	Filters			m_AfterOpaque;
+	Filters			m_AfterEverything;
+	RenderTexture*	m_FirstTargetTexture; // has color & depth
+	RenderTexture*	m_SecondTargetTexture; // has color only, reuses depth from first
+	RenderTexture*	m_FinalTargetTexture;
+};