work on colourfilters

1 files changed, 61 insertions, 32 deletions

diff --git a/src/extras/postfx.cpp b/src/extras/postfx.cpp
index 360b4f7a..a9e0604b 100644
--- a/src/extras/postfx.cpp
+++ b/src/extras/postfx.cpp
@@ -16,13 +16,15 @@
 RwRaster *CPostFX::pFrontBuffer;
 RwRaster *CPostFX::pBackBuffer;
 bool CPostFX::bJustInitialised;
-int CPostFX::EffectSwitch = POSTFX_NORMAL;
+int CPostFX::EffectSwitch = POSTFX_PS2;
 bool CPostFX::BlurOn = false;
 bool CPostFX::MotionBlurOn = false;
 
 static RwIm2DVertex Vertex[4];
 static RwIm2DVertex Vertex2[4];
 static RwImVertexIndex Index[6] = { 0, 1, 2, 0, 2, 3 };
+static RwIm2DVertex BlurVertex[12];
+static RwImVertexIndex BlurIndex[18] = { 0, 1, 2, 0, 2, 3,  4, 5, 6, 4, 6, 7,  8, 9, 10, 8, 10, 11 };
 
 #ifdef RW_D3D9
 void *colourfilterLCS_PS;
@@ -205,9 +207,44 @@ CPostFX::Close(void)
 #endif
 }
 
+static float blurOffset = 0.6f;//3.0f/16.0f;	// not quite sure sure about this
+static float blurIntensity = 0.25f;
+
 void
 CPostFX::RenderOverlayBlur(RwCamera *cam, int32 r, int32 g, int32 b, int32 a)
 {
+	memcpy(BlurVertex, Vertex, sizeof(Vertex));
+	memcpy(BlurVertex+4, Vertex, sizeof(Vertex));
+	memcpy(BlurVertex+8, Vertex, sizeof(Vertex));
+	int intensity = 255*blurIntensity;
+	int i;
+	for(i = 0; i < 4; i++){
+		RwIm2DVertexSetScreenX(&BlurVertex[i], RwIm2DVertexGetScreenX(&BlurVertex[i]) + blurOffset);
+		RwIm2DVertexSetIntRGBA(&BlurVertex[i], 255, 255, 255, intensity);
+	}
+	for(i = 4; i < 8; i++){
+		RwIm2DVertexSetScreenX(&BlurVertex[i], RwIm2DVertexGetScreenX(&BlurVertex[i]) + blurOffset);
+		RwIm2DVertexSetScreenY(&BlurVertex[i], RwIm2DVertexGetScreenY(&BlurVertex[i]) + blurOffset);
+		RwIm2DVertexSetIntRGBA(&BlurVertex[i], 255, 255, 255, intensity);
+	}
+	for(i = 8; i < 12; i++){
+		RwIm2DVertexSetScreenY(&BlurVertex[i], RwIm2DVertexGetScreenY(&BlurVertex[i]) + blurOffset);
+		RwIm2DVertexSetIntRGBA(&BlurVertex[i], 255, 255, 255, intensity);
+	}
+
+	RwRenderStateSet(rwRENDERSTATETEXTURERASTER, pBackBuffer);
+	RwRenderStateSet(rwRENDERSTATETEXTUREFILTER, (void*)rwFILTERLINEAR);
+	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
+	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
+	RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
+
+	RwIm2DRenderIndexedPrimitive(rwPRIMTYPETRILIST, BlurVertex, 12, BlurIndex, 18);
+
+	// this sucks: should render colourfilter with blending instead
+	// but can't change equation to subtraction for PSP here
+	GetBackBuffer(cam);
+
+/* the old way
 	RwRenderStateSet(rwRENDERSTATETEXTURERASTER, pFrontBuffer);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 
@@ -240,6 +277,7 @@ CPostFX::RenderOverlayBlur(RwCamera *cam, int32 r, int32 g, int32 b, int32 a)
 
 	RwIm2DRenderIndexedPrimitive(rwPRIMTYPETRILIST, Vertex, 4, Index, 6);
 	RwIm2DRenderIndexedPrimitive(rwPRIMTYPETRILIST, BlurOn ? Vertex2 : Vertex, 4, Index, 6);
+*/
 }
 
 void
@@ -291,7 +329,7 @@ CPostFX::RenderOverlayShader(RwCamera *cam, int32 r, int32 g, int32 b, int32 a)
 		blurcolors[0] = r*f/255.0f;
 		blurcolors[1] = g*f/255.0f;
 		blurcolors[2] = b*f/255.0f;
-		blurcolors[3] = 30/255.0f;
+		blurcolors[3] = EffectSwitch == POSTFX_PSP ? -1.0f : 1.0f;
 #ifdef RW_D3D9
 		rw::d3d::d3ddevice->SetPixelShaderConstantF(10, blurcolors, 1);
 		rw::d3d::im2dOverridePS = colourfilterLCS_PS;
@@ -339,11 +377,8 @@ CPostFX::NeedBackBuffer(void)
 	case POSTFX_SIMPLE:
 		// no actual rendering here
 		return false;
-	case POSTFX_NORMAL:
-		if(MotionBlurOn)
-			return false;
-		else
-			return true;
+	case POSTFX_PSP:
+	case POSTFX_PS2:
 	case POSTFX_MOBILE:
 		return true;
 	}
@@ -354,24 +389,11 @@ bool
 CPostFX::NeedFrontBuffer(int32 type)
 {
 	// Last frame -- needed for motion blur
-	if(CMBlur::Drunkness > 0.0f)
+	if(MotionBlurOn)
 		return true;
 	if(type == MOTION_BLUR_SNIPER)
 		return true;
 
-	switch(EffectSwitch){
-	case POSTFX_OFF:
-	case POSTFX_SIMPLE:
-		// no actual rendering here
-		return false;
-	case POSTFX_NORMAL:
-		if(MotionBlurOn)
-			return true;
-		else
-			return false;
-	case POSTFX_MOBILE:
-		return false;
-	}
 	return false;
 }
 
@@ -386,11 +408,17 @@ CPostFX::GetBackBuffer(RwCamera *cam)
 void
 CPostFX::Render(RwCamera *cam, uint32 red, uint32 green, uint32 blue, uint32 blur, int32 type, uint32 bluralpha)
 {
+	// LCS PS2 blur is drawn in three passes:
+	//  blend frame with current frame 3 times to blur a bit
+	//  blend one more time with colour filter
+	//  motion blur like normal
+
 	if(pFrontBuffer == nil)
 		Open(cam);
 	assert(pFrontBuffer);
 	assert(pBackBuffer);
 
+/*	// LCS: don't need that anymore
 	if(type == MOTION_BLUR_LIGHT_SCENE){
 		SmoothColor(red, green, blue, blur);
 		red = AvgRed;
@@ -398,6 +426,7 @@ CPostFX::Render(RwCamera *cam, uint32 red, uint32 green, uint32 blue, uint32 blu
 		blue = AvgBlue;
 		blur = AvgAlpha;
 	}
+*/
 
 	if(NeedBackBuffer())
 		GetBackBuffer(cam);
@@ -405,10 +434,15 @@ CPostFX::Render(RwCamera *cam, uint32 red, uint32 green, uint32 blue, uint32 blu
 	DefinedState();
 
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)FALSE);
-	RwRenderStateSet(rwRENDERSTATETEXTUREFILTER, (void*)rwFILTERNEAREST);
 	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
 
+	if(BlurOn)
+		RenderOverlayBlur(cam, 0, 0, 0, 0);
+
+	RwRenderStateSet(rwRENDERSTATETEXTUREFILTER, (void*)rwFILTERNEAREST);
+
+	// TODO(LCS): check this out
 	if(type == MOTION_BLUR_SNIPER){
 		if(!bJustInitialised)
 			RenderOverlaySniper(cam, red, green, blue, blur);
@@ -417,21 +451,16 @@ CPostFX::Render(RwCamera *cam, uint32 red, uint32 green, uint32 blue, uint32 blu
 	case POSTFX_SIMPLE:
 		// no actual rendering here
 		break;
-	case POSTFX_NORMAL:
-		if(MotionBlurOn){
-			if(!bJustInitialised)
-				RenderOverlayBlur(cam, red, green, blue, blur);
-		}else{
-			RenderOverlayShader(cam, red, green, blue, blur);
-		}
-		break;
+	case POSTFX_PSP:
+	case POSTFX_PS2:
 	case POSTFX_MOBILE:
 		RenderOverlayShader(cam, red, green, blue, blur);
 		break;
 	}
 
-	if(!bJustInitialised)
-		RenderMotionBlur(cam, 175.0f * CMBlur::Drunkness);
+	if(MotionBlurOn)
+		if(!bJustInitialised)
+			RenderMotionBlur(cam, bluralpha);
 
 	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);