1 files changed, 45 insertions, 0 deletions

diff --git a/src/extras/postfx.h b/src/extras/postfx.h
new file mode 100644
index 00000000..ace2e4a8
--- /dev/null
+++ b/src/extras/postfx.h
@@ -0,0 +1,45 @@
+#pragma once
+
+#ifdef EXTENDED_COLOURFILTER
+
+class CPostFX
+{
+public:
+	enum {
+		POSTFX_OFF,
+		POSTFX_SIMPLE,
+		POSTFX_NORMAL,
+		POSTFX_MOBILE
+	};
+	static RwRaster *pFrontBuffer;
+	static RwRaster *pBackBuffer;
+	static bool bJustInitialised;
+	static int EffectSwitch;
+	static bool BlurOn;	// or use CMblur for that?
+	static bool MotionBlurOn;	// or use CMblur for that?
+	static float Intensity;
+
+	// smooth blur color
+	enum { NUMAVERAGE = 20 };
+	static int PrevRed[NUMAVERAGE], AvgRed;
+	static int PrevGreen[NUMAVERAGE], AvgGreen;
+	static int PrevBlue[NUMAVERAGE], AvgBlue;
+	static int PrevAlpha[NUMAVERAGE], AvgAlpha;
+	static int Next;
+	static int NumValues;
+
+	static void InitOnce(void);
+	static void Open(RwCamera *cam);
+	static void Close(void);
+	static void RenderOverlayBlur(RwCamera *cam, int32 r, int32 g, int32 b, int32 a);
+	static void RenderOverlaySniper(RwCamera *cam, int32 r, int32 g, int32 b, int32 a);
+	static void RenderOverlayShader(RwCamera *cam, int32 r, int32 g, int32 b, int32 a);
+	static void RenderMotionBlur(RwCamera *cam, uint32 blur);
+	static void Render(RwCamera *cam, uint32 red, uint32 green, uint32 blue, uint32 blur, int32 type, uint32 bluralpha);
+	static void SmoothColor(uint32 red, uint32 green, uint32 blue, uint32 alpha);
+	static bool NeedBackBuffer(void);
+	static bool NeedFrontBuffer(int32 type);
+	static bool UseBlurColours(void) { return EffectSwitch != POSTFX_SIMPLE; }
+};
+
+#endif