/*  ZeroGS KOSMOS
 *  Copyright (C) 2005-2006 zerofrog@gmail.com
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "GS.h"
#include <Cg/cg.h>
#include <Cg/cgGL.h>

#include <stdio.h>

#include <malloc.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>

#include "Mem.h"
#include "x86.h"
#include "zerogs.h"

#include "targets.h"

const float g_filog32 = 0.999f / (32.0f * logf(2.0f));

extern int g_GameSettings;
using namespace ZeroGS;
extern int g_TransferredToGPU;
extern BOOL g_bIsLost;
extern BOOL g_bUpdateStencil;
extern u32 s_uFramebuffer;

#ifndef ZEROGS_DEVBUILD
#define INC_RESOLVE()
#else
#define INC_RESOLVE() ++g_nResolve
extern u32 g_nResolve;
extern BOOL g_bSaveTrans;
#endif

namespace ZeroGS {
	CRenderTargetMngr s_RTs, s_DepthRTs;
	CBitwiseTextureMngr s_BitwiseTextures;
	CMemoryTargetMngr g_MemTargs;

	extern u8 s_AAx, s_AAy;
	extern Vector g_vdepth;
	extern int icurctx;

	extern VERTEXSHADER pvsBitBlt;
	extern FRAGMENTSHADER ppsBitBlt[2], ppsBitBltDepth, ppsOne;
	extern FRAGMENTSHADER ppsBaseTexture, ppsConvert16to32, ppsConvert32to16;
	extern GLuint vboRect;
}

extern u32 s_ptexCurSet[2];
extern u32 ptexBilinearBlocks;
extern u32 ptexConv32to16;
BOOL g_bSaveZUpdate = 0;

////////////////////
// Render Targets //
////////////////////
ZeroGS::CRenderTarget::CRenderTarget() : ptex(0), ptexFeedback(0), psys(NULL)
{
	nUpdateTarg = 0;
}

ZeroGS::CRenderTarget::~CRenderTarget()
{
	Destroy();
}

bool ZeroGS::CRenderTarget::Create(const frameInfo& frame)
{
	Resolve();
	Destroy();

	lastused = timeGetTime();
	fbp = frame.fbp;
	fbw = frame.fbw;
	fbh = frame.fbh;
	psm = (u8)frame.psm;
	fbm = frame.fbm;

	vposxy.x = 2.0f * (1.0f / 8.0f) / (float)fbw;
	vposxy.y = 2.0f * (1.0f / 8.0f) / (float)fbh;
	vposxy.z = -1-0.5f/fbw;
	vposxy.w = -1+0.5f/fbh;
	status = 0;

	if( fbw > 0 && fbh > 0 ) {
		GetRectMemAddress(start, end, psm, 0, 0, fbw, fbh, fbp, fbw);

		psys = _aligned_malloc( (fbh<<s_AAy) * (fbw<<s_AAx) * (GetRenderFormat() == RFT_float16 ? 8 : 4), 16 );

		GL_REPORT_ERRORD();

		glGenTextures(1, &ptex);
		glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptex);
		// initialize to default
		glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, GetRenderTargetFormat(), fbw<<s_AAx, fbh<<s_AAy, 0, GL_RGBA, GetRenderFormat()==RFT_float16?GL_FLOAT:GL_UNSIGNED_BYTE, NULL);

		glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_S, GL_CLAMP);
		glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_T, GL_CLAMP);
		glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
		glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
		
		if( glGetError() != GL_NO_ERROR ) {
			Destroy();
			return false;
		}

		status = TS_NeedUpdate;
	}
	else {
		start = end = 0;
	}

	return true;
}

void ZeroGS::CRenderTarget::Destroy()
{
	_aligned_free(psys); psys = NULL;
	SAFE_RELEASE_TEX(ptex);
	SAFE_RELEASE_TEX(ptexFeedback);
}

void ZeroGS::CRenderTarget::SetTarget(int fbplocal, const Rect2& scissor, int context)
{
	int dy = 0;

	if( fbplocal != fbp ) {
		Vector v;

		// will be rendering to a subregion
		u32 bpp = (psm&2) ? 2 : 4;
		assert( ((256/bpp)*(fbplocal-fbp)) % fbw == 0 );
		assert( fbplocal >= fbp );

		dy = ((256/bpp)*(fbplocal-fbp)) / fbw;

		v.x = vposxy.x;
		v.y = vposxy.y;
		v.z = vposxy.z;
		v.w = vposxy.w - dy*2.0f/(float)fbh;
		cgGLSetParameter4fv(g_vparamPosXY[context], v);
	}
	else
		cgGLSetParameter4fv(g_vparamPosXY[context], vposxy);

	// set render states
	scissorrect.x = scissor.x0>>3;
	scissorrect.y = (scissor.y0>>3) + dy;
	scissorrect.w = (scissor.x1>>3)+1;
	scissorrect.h = (scissor.y1>>3)+1+dy;
	scissorrect.w = min(scissorrect.w, fbw) - scissorrect.x;
	scissorrect.h = min(scissorrect.h, fbh) - scissorrect.y;

	scissorrect.x <<= s_AAx;
	scissorrect.y <<= s_AAy;
	scissorrect.w <<= s_AAx;
	scissorrect.h <<= s_AAy;
}

void ZeroGS::CRenderTarget::SetViewport()
{
	glViewport(0, 0, fbw<<s_AAx, fbh<<s_AAy);
}

static int g_bSaveResolved = 0;
extern int s_nResolved;

void ZeroGS::CRenderTarget::Resolve()
{
	if( ptex != 0 && !(status&TS_Resolved) && !(status&TS_NeedUpdate) ) {

		// flush if necessary
		if( vb[0].prndr == this || vb[0].pdepth == this ) Flush(0);
		if( vb[1].prndr == this || vb[1].pdepth == this ) Flush(1);

		if( (IsDepth() && !ZeroGS::IsWriteDepth()) || s_nResolved > 10 || (g_GameSettings&GAME_NOTARGETRESOLVE) ) {
			// don't resolve if depths aren't used
			status = TS_Resolved;
			return;
		}

		glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptex);
		GL_REPORT_ERRORD();
		//glGetTexImage(GL_TEXTURE_RECTANGLE_NV, 0, GetRenderTargetFormat(), GetRenderFormat()==RFT_float16?GL_FLOAT:GL_UNSIGNED_BYTE, psys);
		glGetTexImage(GL_TEXTURE_RECTANGLE_NV, 0, GL_RGBA, GL_UNSIGNED_BYTE, psys);
		GL_REPORT_ERRORD();

#if defined(ZEROGS_DEVBUILD) && defined(_DEBUG)
		if( g_bSaveResolved ) {
			SaveTexture("resolved.tga", GL_TEXTURE_RECTANGLE_NV, ptex, fbw<<s_AAx, fbh<<s_AAy);
			g_bSaveResolved = 0;
		}
#endif

		_Resolve(psys, fbp, fbw, fbh, psm, fbm);

		status = TS_Resolved;
	}
}

void ZeroGS::CRenderTarget::Resolve(int startrange, int endrange)
{
	assert( startrange < end && endrange > start ); // make sure it at least intersects

	if( ptex != 0 && !(status&TS_Resolved) && !(status&TS_NeedUpdate) ) {

		// flush if necessary
		if( vb[0].prndr == this || vb[0].pdepth == this ) Flush(0);
		if( vb[1].prndr == this || vb[1].pdepth == this ) Flush(1);

#if defined(ZEROGS_DEVBUILD) && defined(_DEBUG)
		if( g_bSaveResolved ) {
			SaveTexture("resolved.tga", GL_TEXTURE_RECTANGLE_NV, ptex, fbw<<s_AAx, fbh<<s_AAy);
			g_bSaveResolved = 0;
		}
#endif

		if(g_GameSettings&GAME_NOTARGETRESOLVE) {
			status = TS_Resolved;
			return;
		}

		int blockheight = (psm&2) ? 64 : 32;
		int resolvefbp = fbp, resolveheight = fbh;

		int scanlinewidth = 0x2000*(fbw>>6);

		// in now way should data be overwritten!, instead resolve less
		if( endrange < end ) {
			// round down to nearest block and scanline
			resolveheight = ((endrange-start)/(0x2000*(fbw>>6))) * blockheight;
			if( resolveheight <= 32 ) {
				status = TS_Resolved;
				return;
			}
		}
		else if( startrange > start ) {
			// round up to nearest block and scanline
			resolvefbp = startrange + scanlinewidth - 1;
			resolvefbp -= resolvefbp % scanlinewidth;

			resolveheight = fbh-((resolvefbp-fbp)*blockheight/scanlinewidth);
			if( resolveheight <= 64 ) { // this is a total hack, but kh doesn't resolve now
				status = TS_Resolved;
				return;
			}

			resolvefbp >>= 8;
		}

		glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptex);
		//glGetTexImage(GL_TEXTURE_RECTANGLE_NV, 0, GetRenderTargetFormat(), GetRenderFormat()==RFT_float16?GL_FLOAT:GL_UNSIGNED_BYTE, psys);
		glGetTexImage(GL_TEXTURE_RECTANGLE_NV, 0, GL_RGBA, GL_UNSIGNED_BYTE, psys);
		GL_REPORT_ERRORD();

		u8* pbits = (u8*)psys;
		u32 Pitch = (fbw<<s_AAx) * (GetRenderFormat()==RFT_float16 ? 8 : 4);
		if( fbp != resolvefbp )
			pbits += ((resolvefbp-fbp)*256/scanlinewidth)*blockheight*Pitch;
				
		_Resolve(pbits, resolvefbp, fbw, resolveheight, psm, fbm);

		status = TS_Resolved;
	}
}

void ZeroGS::CRenderTarget::Update(int context, ZeroGS::CRenderTarget* pdepth)
{
	glDisable(GL_SCISSOR_TEST);
	glDisable(GL_BLEND);
	glDisable(GL_ALPHA_TEST);
	glDisable(GL_DEPTH_TEST);
	glDisable(GL_STENCIL_TEST);
	glDepthMask(0);
	glColorMask(1,1,1,1);
	
	glBindBuffer(GL_ARRAY_BUFFER, vboRect);
	SET_STREAM();

	// assume depth already set
	//pd3dDevice->SetDepthStencilSurface(psurfDepth);
	ResetRenderTarget(1);
	SetRenderTarget(0);
	assert( pdepth != NULL );
	((CDepthTarget*)pdepth)->SetDepthStencilSurface();

	Vector v = Vector(1,-1,-0.5f/(float)(fbw<<s_AAx),-0.5f/(float)(fbh<<s_AAy));
	v *= 1/32767.0f;
	cgGLSetParameter4fv(pvsBitBlt.sBitBltPos, v);

	CRenderTargetMngr::MAPTARGETS::iterator ittarg;
	if( nUpdateTarg ) {
		ittarg = s_RTs.mapTargets.find(nUpdateTarg);
		if( ittarg == s_RTs.mapTargets.end() ) {
			ittarg = s_DepthRTs.mapTargets.find(nUpdateTarg);
			if( ittarg == s_DepthRTs.mapTargets.end() )
				nUpdateTarg = 0;
			else if( ittarg->second == this ) {
				ERROR_LOG("updating self");
				nUpdateTarg = 0;
			}
		}
		else if( ittarg->second == this ) {
			ERROR_LOG("updating self");
			nUpdateTarg = 0;
		}
	}
	
	SetViewport();

	if( nUpdateTarg ) {

		cgGLSetTextureParameter(ppsBaseTexture.sFinal, ittarg->second->ptex);
		cgGLEnableTextureParameter(ppsBaseTexture.sFinal);

		//assert( ittarg->second->fbw == fbw );
		int offset = (fbp-ittarg->second->fbp)*64/fbw; 
		
		// 16 bit
		if (psm & 2) offset *= 2;

		v.x = (float)(fbw << s_AAx);
		v.y = (float)(fbh << s_AAy);
		v.z = 0.25f;
		v.w = (float)(offset << s_AAy) + 0.25f;
		cgGLSetParameter4fv(pvsBitBlt.sBitBltPos, v);

		v.x = v.y = v.z = v.w = 1;
		cgGLSetParameter4fv(ppsBaseTexture.sOneColor, v);

		SETPIXELSHADER(ppsBaseTexture.prog);
		nUpdateTarg = 0;
	}
	else {
		// align the rect to the nearest page
		// note that fbp is always aligned on page boundaries
		tex0Info texframe;
		texframe.tbp0 = fbp;
		texframe.tbw = fbw;
		texframe.tw = fbw;
		texframe.th = fbh;
		texframe.psm = psm;
		CMemoryTarget* pmemtarg = g_MemTargs.GetMemoryTarget(texframe, 1);

		// write color and zero out stencil buf, always 0 context!
		// force bilinear if using AA
		SetTexVariablesInt(0, (s_AAx || s_AAy)?2:0, texframe, pmemtarg, &ppsBitBlt[s_AAx], 1);
		cgGLSetTextureParameter(ppsBitBlt[s_AAx].sMemory, pmemtarg->ptex->tex);
		cgGLEnableTextureParameter(ppsBitBlt[s_AAx].sMemory);

		v = Vector(1,1,0,0);
		cgGLSetParameter4fv(pvsBitBlt.sBitBltTex, v);

		v.x = 1;
		v.y = 2;
		cgGLSetParameter4fv(ppsBitBlt[s_AAx].sOneColor, v);

		assert( ptex != 0 );

		if( conf.options & GSOPTION_WIREFRAME ) glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

		if( ZeroGS::IsWriteDestAlphaTest() ) {
			glEnable(GL_STENCIL_TEST);
			glStencilFunc(GL_ALWAYS, 0, 0xff);
			glStencilMask(0xff);
			glStencilOp(GL_KEEP, GL_KEEP, GL_ZERO);
		}

		// render with an AA shader if possible (bilinearly interpolates data)
		//cgGLLoadProgram(ppsBitBlt[s_AAx].prog);
		SETPIXELSHADER(ppsBitBlt[s_AAx].prog);
	}

	SETVERTEXSHADER(pvsBitBlt.prog);
	
	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

	// fill stencil buf only
	if( ZeroGS::IsWriteDestAlphaTest() && !(g_GameSettings&GAME_NOSTENCIL)) {
		glColorMask(0,0,0,0);
		glEnable(GL_ALPHA_TEST);
		glAlphaFunc(GL_GEQUAL, 1);

		glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
		glStencilFunc(GL_ALWAYS, 1, 0xff);

		glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
		glColorMask(1,1,1,1);
	}

	glEnable(GL_SCISSOR_TEST);

	if( conf.options & GSOPTION_WIREFRAME ) glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

	if( conf.mrtdepth && pdepth != NULL && ZeroGS::IsWriteDepth() )
		pdepth->SetRenderTarget(1);

	status = TS_Resolved;

	// reset since settings changed
	vb[0].bVarsTexSync = 0; 
	ZeroGS::ResetAlphaVariables();
}

void ZeroGS::CRenderTarget::ConvertTo32()
{
	u32 ptexConv;
	
	// create new target
	glGenTextures(1, &ptexConv);
	glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptexConv);
	glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, GetRenderTargetFormat(), fbw<<s_AAx, (fbh<<s_AAy)/2, 0, GL_RGBA, GetRenderFormat()==RFT_float16?GL_FLOAT:GL_UNSIGNED_BYTE, NULL);

	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_S, GL_CLAMP);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_T, GL_CLAMP);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

	if( glGetError() != GL_NO_ERROR ) {
		ERROR_LOG("Failed to create target for ConvertTo32 %dx%d\n", fbw<<s_AAx, (fbh<<s_AAy)/2);
		return;
	}

	glDisable(GL_SCISSOR_TEST);
	glDisable(GL_BLEND);
	glDisable(GL_ALPHA_TEST);
	glDisable(GL_DEPTH_TEST);
	glDepthMask(0);
	glDisable(GL_STENCIL_TEST);
	glColorMask(1,1,1,1);

	// tex coords, test ffx bikanel island when changing these
	Vector v = Vector(1, 1, -0.5f / (fbw << s_AAx), 0.5f / (fbh << s_AAy));
	v *= 1/32767.0f;
	cgGLSetParameter4fv(pvsBitBlt.sBitBltPos, v);

	v.x = (float)(fbw << s_AAx);
	v.y = (float)(fbh << s_AAy);
	v.z = 0.25f;
	v.w = 0.25f;
	cgGLSetParameter4fv(pvsBitBlt.sBitBltTex, v);

	v.x = v.y = v.z = 1;
	v.w = 1; // since all alpha is mult by 2
	cgGLSetParameter4fv(ppsConvert16to32.sOneColor, v);

	v.x = (float)(16 << s_AAx);
	v.y = (float)(16 << s_AAy);
	v.z = -(float)(fbw << s_AAx);
	v.w = (float)(8 << s_AAy);
	cgGLSetParameter4fv(ppsConvert16to32.fTexOffset, v);

	v.x = (float)(8 << s_AAx);
	v.y = 0;
	v.z = 0;
	v.w = 0.25f;
	cgGLSetParameter4fv(ppsConvert16to32.fPageOffset, v);

	v.x = (float)(2 * fbw << s_AAx);
	v.y = (float)(fbh << s_AAy);
	v.z = 0;
	v.w = 0.0001f * (float)(fbh << s_AAy);
	cgGLSetParameter4fv(ppsConvert16to32.fTexDims, v);

	v.x = 0;
	cgGLSetParameter4fv(ppsConvert16to32.fTexBlock, v);

	glBindBuffer(GL_ARRAY_BUFFER, vboRect);
	SET_STREAM();

	// assume depth already set !?
	glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_NV, ptexConv, 0 );
	ZeroGS::ResetRenderTarget(1);
	assert( glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) == GL_FRAMEBUFFER_COMPLETE_EXT );
	
	glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptex); // to SAMP_FINAL
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_NEAREST);

	cgGLSetTextureParameter(ppsConvert16to32.sFinal, ptex);
	cgGLEnableTextureParameter(ppsBitBlt[s_AAx].sMemory);

	fbh /= 2; // have 16 bit surfaces are usually 2x higher
	SetViewport();

	if( conf.options & GSOPTION_WIREFRAME ) glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

	// render with an AA shader if possible (bilinearly interpolates data)
	SETVERTEXSHADER(pvsBitBlt.prog);
	SETPIXELSHADER(ppsConvert16to32.prog);
	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

#ifdef _DEBUG
	//g_bSaveZUpdate = 1;
	if( g_bSaveZUpdate ) {
		// buggy
		SaveTexture("tex1.tga", GL_TEXTURE_RECTANGLE_NV, ptex, fbw<<s_AAx, (fbh<<s_AAy)*2);
		SaveTexture("tex3.tga", GL_TEXTURE_RECTANGLE_NV, ptexConv, fbw<<s_AAx, fbh<<s_AAy);
	}
#endif

	vposxy.y = -2.0f * (32767.0f / 8.0f) / (float)fbh;
	vposxy.w = 1+0.5f/fbh;

	// restore
	SAFE_RELEASE_TEX(ptex);
	SAFE_RELEASE_TEX(ptexFeedback);
	ptex = ptexConv;

	// no need to free psys since the render target is getting shrunk
	if( conf.options & GSOPTION_WIREFRAME ) glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

	// reset textures
	glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptex);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	
	glEnable(GL_SCISSOR_TEST);
	status = TS_Resolved;

	// TODO, reset depth?
	if( ZeroGS::icurctx >= 0 ) {
		// reset since settings changed
		vb[icurctx].bVarsTexSync = 0; 
		vb[icurctx].bVarsSetTarg = 0;
	}
	vb[0].bVarsTexSync = 0; 
}

void ZeroGS::CRenderTarget::ConvertTo16()
{
	u32 ptexConv;
	
	// create new target
	glGenTextures(1, &ptexConv);
	glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptexConv);
	glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, GetRenderTargetFormat(), fbw<<s_AAx, (fbh<<s_AAy)*2, 0, GL_RGBA, GetRenderFormat()==RFT_float16?GL_FLOAT:GL_UNSIGNED_BYTE, NULL);

	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_S, GL_CLAMP);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_T, GL_CLAMP);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

	if( glGetError() != GL_NO_ERROR ) {
		ERROR_LOG("Failed to create target for ConvertTo16 %dx%d\n", fbw<<s_AAx, (fbh<<s_AAy)*2);
		return;
	}

	glDisable(GL_SCISSOR_TEST);
	glDisable(GL_BLEND);
	glDisable(GL_ALPHA_TEST);
	glDisable(GL_DEPTH_TEST);
	glDepthMask(0);
	glDisable(GL_STENCIL_TEST);
	glColorMask(1,1,1,1);

	// tex coords, test ffx bikanel island when changing these
	float dx = 0.5f / (fbw << s_AAx);
	float dy = 0.5f / (fbh << s_AAy);

	Vector v = Vector(1, 1, -dx, dy);
	v *= 1/32767.0f;
	cgGLSetParameter4fv(pvsBitBlt.sBitBltPos, v);

	v.x = v.y = 1;
	v.z = 0.5f*dx;
	v.w = 0.5f*dy;
	cgGLSetParameter4fv(pvsBitBlt.sBitBltTex, v);

	v.x = v.y = v.z = 1;
	v.w = 1; // since all alpha is mult by 2
	cgGLSetParameter4fv(ppsConvert32to16.sOneColor, v);

	v.x = 16.0f / (float)fbw;
	v.y = 8.0f / (float)fbh;
	v.z = 0.5f * v.x;
	v.w = 0.5f * v.y;
	cgGLSetParameter4fv(ppsConvert32to16.fTexOffset, v);

	v.x = 256.0f / 255.0f;
	v.y = 256.0f / 255.0f;
	v.z = 0.05f / 256.0f;
	v.w = -0.001f / 256.0f;
	cgGLSetParameter4fv(ppsConvert32to16.fPageOffset, v);

	v.x = (float)(fbw << s_AAx);
	v.y = (float)(2 * fbh << s_AAy);
	v.z = 0;
	v.w = -0.1f/fbh;
	cgGLSetParameter4fv(ppsConvert32to16.fTexDims, v);

	glBindBuffer(GL_ARRAY_BUFFER, vboRect);
	SET_STREAM();

	// assume depth already set !?
	// assume depth already set !?
	glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_NV, ptexConv, 0 );
	ZeroGS::ResetRenderTarget(1);
	assert( glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) == GL_FRAMEBUFFER_COMPLETE_EXT );
	
	glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptex); // to SAMP_FINAL
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
	cgGLSetTextureParameter(ppsConvert32to16.sFinal, ptex);
	cgGLEnableTextureParameter(ppsConvert32to16.sFinal);

	fbh *= 2; // have 16 bit surfaces are usually 2x higher

	// need to set a dummy target!
//	CRenderTargetMngr::MAPTARGETS::iterator itdepth = s_DepthRTs.mapDummyTargs.find( (fbw<<16)|fbh );
//	CDepthTarget* pnewdepth = NULL;
//  if( itdepth == s_DepthRTs.mapDummyTargs.end() ) {
//		frameInfo frame;
//		frame.fbh = fbh;
//		frame.fbw = fbw;
//		frame.psm = 0x30; //?
//		frame.fbw = fbw;
//		frame.fbm = 0;
//	  pnewdepth = new CDepthTarget();
//		pnewdepth->Create(frame);
//		s_DepthRTs.mapDummyTargs[(fbw<<16)|fbh] = pnewdepth;
//	}
//	else pnewdepth = (CDepthTarget*)itdepth->second;
//
//	assert( pnewdepth != NULL );
//	pd3dDevice->SetDepthStencilSurface(pnewdepth->pdepth);

	SetViewport();

	if( conf.options & GSOPTION_WIREFRAME ) glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

	// render with an AA shader if possible (bilinearly interpolates data)
	SETVERTEXSHADER(pvsBitBlt.prog);
	SETPIXELSHADER(ppsConvert32to16.prog);
	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

#ifdef _DEBUG
	//g_bSaveZUpdate = 1;
	if( g_bSaveZUpdate ) {
		SaveTexture("tex1.tga", GL_TEXTURE_RECTANGLE_NV, ptexConv, fbw<<s_AAx, fbh<<s_AAy);
	}
#endif

	vposxy.y = -2.0f * (32767.0f / 8.0f) / (float)fbh;
	vposxy.w = 1+0.5f/fbh;

	// restore
	SAFE_RELEASE_TEX(ptex);
	SAFE_RELEASE_TEX(ptexFeedback);
	ptex = ptexConv;

	_aligned_free(psys);
	psys = _aligned_malloc( (fbh<<s_AAy) * (fbw<<s_AAx) * (GetRenderFormat() == RFT_float16 ? 8 : 4), 16 );

	if( conf.options & GSOPTION_WIREFRAME ) glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

	// reset textures
	glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptex);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	
	glEnable(GL_SCISSOR_TEST);

	status = TS_Resolved;

	// TODO, reset depth?
	if( ZeroGS::icurctx >= 0 ) {
		// reset since settings changed
		vb[icurctx].bVarsTexSync = 0; 
		vb[icurctx].bVarsSetTarg = 0;
	}
	vb[0].bVarsTexSync = 0;
}

void ZeroGS::CRenderTarget::_CreateFeedback()
{
	if( ptexFeedback == 0 ) {
		// create
		glGenTextures(1, &ptexFeedback);
		glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptexFeedback);
		glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, GetRenderTargetFormat(), fbw<<s_AAx, (fbh<<s_AAy), 0, GL_RGBA, GetRenderFormat()==RFT_float16?GL_FLOAT:GL_UNSIGNED_BYTE, NULL);

		glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_S, GL_CLAMP);
		glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_T, GL_CLAMP);
		glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
		glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR);

		if( glGetError() != GL_NO_ERROR ) {
			ERROR_LOG("Failed to create feedback %dx%d\n", fbw<<s_AAx, fbh<<s_AAy);
			return;
		}
	}

	glDisable(GL_SCISSOR_TEST);
	glDisable(GL_BLEND);
	glDisable(GL_ALPHA_TEST);
	glDisable(GL_DEPTH_TEST);
	glDepthMask(0);
	glDisable(GL_STENCIL_TEST);
	glColorMask(1,1,1,1);
	
	// assume depth already set
	ResetRenderTarget(1);

	// tex coords, test ffx bikanel island when changing these
	float dx = 0.5f / (fbw << s_AAx);
	float dy = 0.5f / (fbh << s_AAy);

	Vector v = Vector(1, 1, -0.5f / (fbw<<s_AAx), 0.5f / (fbh << s_AAy));
	v *= 1/32767.0f;
	cgGLSetParameter4fv(pvsBitBlt.sBitBltPos, v);

	v.x = (float)(fbw << s_AAx);
	v.y = (float)(fbh << s_AAy);
	v.z = 0.25f;
	v.w = 0.25f;
	cgGLSetParameter4fv(pvsBitBlt.sBitBltTex, v);

	v.x = v.y = v.z = 1;
	v.w = 1; // since all alpha is mult by 2
	cgGLSetParameter4fv(ppsBaseTexture.sOneColor, v);

	glBindBuffer(GL_ARRAY_BUFFER, vboRect);
	SET_STREAM();

	glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_NV, ptexFeedback, 0 );
	glBindTexture(GL_TEXTURE_RECTANGLE_NV, ptex);
	assert( glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) == GL_FRAMEBUFFER_COMPLETE_EXT );

	cgGLSetTextureParameter(ppsBaseTexture.sFinal, ptex);
	cgGLEnableTextureParameter(ppsBaseTexture.sFinal);

	SetViewport();

	if( conf.options & GSOPTION_WIREFRAME ) glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

	// render with an AA shader if possible (bilinearly interpolates data)
	SETVERTEXSHADER(pvsBitBlt.prog);
	SETPIXELSHADER(ppsBaseTexture.prog);
	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

	// restore
	swap(ptex, ptexFeedback);

	if( conf.options & GSOPTION_WIREFRAME ) glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);

	glEnable(GL_SCISSOR_TEST);
	status |= TS_FeedbackReady;

	// TODO, reset depth?
	if( ZeroGS::icurctx >= 0 ) {
		// reset since settings changed
		vb[icurctx].bVarsTexSync = 0; 
	}

	assert( glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) == GL_FRAMEBUFFER_COMPLETE_EXT );
}

void ZeroGS::CRenderTarget::SetRenderTarget(int targ)
{
	glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+targ, GL_TEXTURE_RECTANGLE_NV, ptex, 0 );
	//assert( glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) == GL_FRAMEBUFFER_COMPLETE_EXT );
}

ZeroGS::CDepthTarget::CDepthTarget() : CRenderTarget(), pdepth(0), pstencil(0), icount(0) {}

ZeroGS::CDepthTarget::~CDepthTarget()
{
	Destroy();
}

bool ZeroGS::CDepthTarget::Create(const frameInfo& frame)
{
	if( !CRenderTarget::Create(frame) )
		return false;

	if( psm == PSMT24Z ) fbm = 0xff000000;
	else fbm = 0;

	assert( glGetError() == GL_NO_ERROR );

	glGenRenderbuffersEXT( 1, &pdepth );
	glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, pdepth);
	glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT, fbw<<s_AAx, fbh<<s_AAy);

	if( glGetError() != GL_NO_ERROR ) {
		// try a separate depth and stencil buffer
		glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, pdepth);
		glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24, fbw<<s_AAx, fbh<<s_AAy);

		if( g_bUpdateStencil ) {
			glGenRenderbuffersEXT( 1, &pstencil );
			glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, pstencil);
			glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_STENCIL_INDEX8_EXT, fbw<<s_AAx, fbh<<s_AAy);

			if( glGetError() != GL_NO_ERROR ) {
				ERROR_LOG("failed to create depth buffer %dx%d\n", fbw<<s_AAx, fbh<<s_AAy);
				return false;
			}
		}
		else pstencil = 0;
	}
	else
		pstencil = pdepth;

	status = TS_NeedUpdate;

	return true;
}

void ZeroGS::CDepthTarget::Destroy()
{
	if ( status ) { // In this case Framebuffer extension is off-use and lead to segfault
		ResetRenderTarget(1);
		glFramebufferRenderbufferEXT( GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, 0 );
		glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, 0 );
		GL_REPORT_ERRORD();
	
		if( pstencil != 0 ) {
				if( pstencil != pdepth )
				glDeleteRenderbuffersEXT( 1, &pstencil );
				pstencil = 0;
		}
		
		if( pdepth != 0 ) {
				glDeleteRenderbuffersEXT( 1, &pdepth );
				pdepth = 0;
		}
		GL_REPORT_ERRORD();
	}
	
	CRenderTarget::Destroy();
	
}


extern int g_nDepthUsed; // > 0 if depth is used

void ZeroGS::CDepthTarget::Resolve()
{
	if( g_nDepthUsed > 0 && conf.mrtdepth && !(status&TS_Virtual) && ZeroGS::IsWriteDepth() && !(g_GameSettings&GAME_NODEPTHRESOLVE) )
		CRenderTarget::Resolve();
	else {
		// flush if necessary
		if( vb[0].prndr == this || vb[0].pdepth == this ) Flush(0);
		if( vb[1].prndr == this || vb[1].pdepth == this ) Flush(1);

		if( !(status & TS_Virtual) ) 
			status |= TS_Resolved;
	}

	if( !(status&TS_Virtual) ) {
		ZeroGS::SetWriteDepth();
	}
}

void ZeroGS::CDepthTarget::Resolve(int startrange, int endrange)
{
	if( g_nDepthUsed > 0 && conf.mrtdepth && !(status&TS_Virtual) && ZeroGS::IsWriteDepth() ) CRenderTarget::Resolve(startrange, endrange);
	else {
		// flush if necessary
		if( vb[0].prndr == this || vb[0].pdepth == this ) Flush(0);
		if( vb[1].prndr == this || vb[1].pdepth == this ) Flush(1);

		if( !(status & TS_Virtual) ) 
			status |= TS_Resolved;
	}

	if( !(status&TS_Virtual) ) {
		ZeroGS::SetWriteDepth();
	}
}

extern int g_nDepthUpdateCount;

void ZeroGS::CDepthTarget::Update(int context, ZeroGS::CRenderTarget* prndr)
{
	assert( !(status & TS_Virtual) );

	// align the rect to the nearest page
	// note that fbp is always aligned on page boundaries
	tex0Info texframe;
	texframe.tbp0 = fbp;
	texframe.tbw = fbw;
	texframe.tw = fbw;
	texframe.th = fbh;
	texframe.psm = psm;
	CMemoryTarget* pmemtarg = g_MemTargs.GetMemoryTarget(texframe, 1);

	glDisable(GL_SCISSOR_TEST);
	glDisable(GL_BLEND);
	glDisable(GL_ALPHA_TEST);
	glEnable(GL_DEPTH_TEST);
	glDepthMask(1);
	glDisable(GL_STENCIL_TEST);
	glDepthFunc(GL_ALWAYS);
	
	// write color and zero out stencil buf, always 0 context!
	SetTexVariablesInt(0, 0, texframe, pmemtarg, &ppsBitBltDepth, 1);
	cgGLSetTextureParameter(ppsBitBltDepth.sMemory, pmemtarg->ptex->tex);
	cgGLEnableTextureParameter(ppsBaseTexture.sFinal);

	Vector v = Vector(1,-1,0.5f/(float)fbw,-0.5f/(float)fbh);
	cgGLSetParameter4fv(pvsBitBlt.sBitBltTex, v);

	v.z = v.w = 0;
	v *= 1/32767.0f;
	cgGLSetParameter4fv(pvsBitBlt.sBitBltPos, v);

	v.x = 1;
	v.y = 2;
	v.z = (psm&3)==2?1.0f:0.0f;
	v.w = g_filog32;
	cgGLSetParameter4fv(ppsBitBltDepth.sOneColor, v);

	Vector vdepth = ((255.0f/256.0f)*g_vdepth);
	if( psm == PSMT24Z ) vdepth.w = 0;
	else if( psm != PSMT32Z ) { vdepth.z = vdepth.w = 0; }
	assert( ppsBitBltDepth.sBitBltZ != 0 );
	cgGLSetParameter4fv(ppsBitBltDepth.sBitBltZ, ((255.0f/256.0f)*vdepth));

	assert( pdepth != 0 );

	glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_NV, ptex, 0 );
	SetDepthStencilSurface();
	glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_RECTANGLE_NV, 0, 0 );
	GLenum buffer = GL_COLOR_ATTACHMENT0_EXT;
	if( glDrawBuffers != NULL )
		glDrawBuffers(1, &buffer);
	int stat = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
	assert( glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) == GL_FRAMEBUFFER_COMPLETE_EXT );

	SetViewport();
	if( conf.options & GSOPTION_WIREFRAME ) glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

	glBindBuffer(GL_ARRAY_BUFFER, vboRect);
	SET_STREAM();

	SETVERTEXSHADER(pvsBitBlt.prog);
	SETPIXELSHADER(ppsBitBltDepth.prog);
	glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

	status = TS_Resolved;

	if( !ZeroGS::IsWriteDepth() ) {
		ResetRenderTarget(1);
	}

	if( conf.options & GSOPTION_WIREFRAME ) glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
	glEnable(GL_SCISSOR_TEST);

#ifdef _DEBUG
	if( g_bSaveZUpdate ) {
		SaveTex(&texframe, 1);
		SaveTexture("frame1.tga", GL_TEXTURE_RECTANGLE_NV, ptex, fbw<<s_AAx, fbh<<s_AAy);
	}
#endif
}

void ZeroGS::CDepthTarget::SetDepthStencilSurface()
{
	glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, pdepth );

	if( pstencil ) {
		// there's a bug with attaching stencil and depth buffers
		glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, pstencil );

		if( icount++ < 8 ) { // not going to fail if succeeded 4 times
			GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
			if( status != GL_FRAMEBUFFER_COMPLETE_EXT ) {
				glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, 0 );
				if( pstencil != pdepth )
					glDeleteRenderbuffersEXT(1, &pstencil);
				pstencil = 0;
				g_bUpdateStencil = 0;
			}
		}
	}
	else
		glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, 0 );
}

void ZeroGS::CRenderTargetMngr::Destroy()
{
	for(MAPTARGETS::iterator it = mapTargets.begin(); it != mapTargets.end(); ++it)
		delete it->second;
	mapTargets.clear();
	for(MAPTARGETS::iterator it = mapDummyTargs.begin(); it != mapDummyTargs.end(); ++it)
		delete it->second;
	mapDummyTargs.clear();
}

void ZeroGS::CRenderTargetMngr::DestroyAllTargs(int start, int end, int fbw)
{
	for(MAPTARGETS::iterator it = mapTargets.begin(); it != mapTargets.end();) {
		if( it->second->start < end && start < it->second->end ) {
			// if is depth, only resolve if fbw is the same
			if( !it->second->IsDepth() ) {
				// only resolve if the widths are the same or it->second has bit outside the range
				// shadow of colossus swaps between fbw=256,fbh=256 and fbw=512,fbh=448. This kills the game if doing || it->second->end > end
				
				// kh hack, sometimes kh movies do this to clear the target, so have a static count that periodically checks end
				static int count = 0;
				
				if( it->second->fbw == fbw || (it->second->fbw != fbw && (it->second->start < start || ((count++&0xf)?0:it->second->end > end) )) )
					it->second->Resolve();
				else {
					if( vb[0].prndr == it->second || vb[0].pdepth == it->second ) Flush(0);
					if( vb[1].prndr == it->second || vb[1].pdepth == it->second ) Flush(1);
					
					it->second->status |= CRenderTarget::TS_Resolved;
				}
			}
			else {
				if( it->second->fbw == fbw )
					it->second->Resolve();
				else {
					if( vb[0].prndr == it->second || vb[0].pdepth == it->second ) Flush(0);
					if( vb[1].prndr == it->second || vb[1].pdepth == it->second ) Flush(1);
					
					it->second->status |= CRenderTarget::TS_Resolved;
				}
			}
			
			for(int i = 0; i < 2; ++i) {
				if( it->second == vb[i].prndr ) { vb[i].prndr = NULL; vb[i].bNeedFrameCheck = 1; }
				if( it->second == vb[i].pdepth ) { vb[i].pdepth = NULL; vb[i].bNeedZCheck = 1; }
			}
			
			u32 dummykey = (it->second->fbw<<16)|it->second->fbh;
			if( mapDummyTargs.find(dummykey) == mapDummyTargs.end() ) {
				mapDummyTargs[dummykey] = it->second;
			}
			else
				delete it->second;
			mapTargets.erase(it++);
		}
		else ++it;
	}
}

void ZeroGS::CRenderTargetMngr::DestroyTarg(CRenderTarget* ptarg)
{
	for(int i = 0; i < 2; ++i) {
		if( ptarg == vb[i].prndr ) { vb[i].prndr = NULL; vb[i].bNeedFrameCheck = 1; }
		if( ptarg == vb[i].pdepth ) { vb[i].pdepth = NULL; vb[i].bNeedZCheck = 1; }
	}
	
	delete ptarg;
}

void ZeroGS::CRenderTargetMngr::DestroyIntersecting(CRenderTarget* prndr)
{
	assert( prndr != NULL );
	
	int start, end;
	GetRectMemAddress(start, end, prndr->psm, 0, 0, prndr->fbw, prndr->fbh, prndr->fbp, prndr->fbw);
	
	for(MAPTARGETS::iterator it = mapTargets.begin(); it != mapTargets.end();) {
		if( it->second != prndr && it->second->start < end && start < it->second->end ) {
			it->second->Resolve();
			
			for(int i = 0; i < 2; ++i) {
				if( it->second == vb[i].prndr ) { vb[i].prndr = NULL; vb[i].bNeedFrameCheck = 1; }
				if( it->second == vb[i].pdepth ) { vb[i].pdepth = NULL; vb[i].bNeedZCheck = 1; }
			}
			
			u32 dummykey = (it->second->fbw<<16)|it->second->fbh;
			if( mapDummyTargs.find(dummykey) == mapDummyTargs.end() ) {
				mapDummyTargs[dummykey] = it->second;
			}
			else
				delete it->second;
			
			mapTargets.erase(it++);
		}
		else ++it;
	}
}

CRenderTarget* ZeroGS::CRenderTargetMngr::GetTarg(const frameInfo& frame, u32 opts, int maxposheight)
{
	if( frame.fbw <= 0 || frame.fbh <= 0 )
		return NULL;

	GL_REPORT_ERRORD();

	u32 key = frame.fbp|(frame.fbw<<16);
	MAPTARGETS::iterator it = mapTargets.find(key);

	// only enforce height if frame.fbh <= 0x1c0
	bool bfound = it != mapTargets.end();
	if( bfound ) {
		if( opts&TO_StrictHeight ) {
			bfound = it->second->fbh == frame.fbh;
		}
		else {
			if( (frame.psm&2)==(it->second->psm&2) && !(g_GameSettings & GAME_FULL16BITRES) )
				bfound = (frame.fbh > 0x1c0 || it->second->fbh >= frame.fbh) && it->second->fbh <= maxposheight;
		}
	}

	if( !bfound ) {
		// might be a virtual target
		it = mapTargets.find(key|TARGET_VIRTUAL_KEY);
		bfound = it != mapTargets.end() && ((opts&TO_StrictHeight) ? it->second->fbh == frame.fbh : it->second->fbh >= frame.fbh) && it->second->fbh <= maxposheight;
	}

	if( bfound ) {

		// can be both 16bit and 32bit
		if( (frame.psm&2) != (it->second->psm&2) ) {
			// a lot of games do this actually...
#ifdef _DEBUG
			WARN_LOG("Really bad formats! %d %d\n", frame.psm, it->second->psm);
#endif
//			if( g_GameSettings & GAME_VSSHACK ) {
//				if( it->second->psm & 2 ) {
//					it->second->status |= CRenderTarget::TS_NeedConvert32;
//					it->second->fbh /= 2;
//				}
//				else {
//					it->second->status |= CRenderTarget::TS_NeedConvert16;
//					it->second->fbh *= 2;
//				}
//			}

			// recalc extents
			GetRectMemAddress(it->second->start, it->second->end, frame.psm, 0, 0, frame.fbw, it->second->fbh, it->second->fbp, frame.fbw);
		}
		else {
			// certain variables have to be reset every time
			if( (it->second->psm&~1) != (frame.psm&~1) ) {
#ifdef ZEROGS_DEVBUILD
				WARN_LOG("bad formats 2: %d %d\n", frame.psm, it->second->psm);
#endif
				it->second->psm = frame.psm;

				// recalc extents
				GetRectMemAddress(it->second->start, it->second->end, frame.psm, 0, 0, frame.fbw, it->second->fbh, it->second->fbp, frame.fbw);
			}
		}

		if( it->second->fbm != frame.fbm ) {
			//WARN_LOG("bad fbm: 0x%8.8x 0x%8.8x, psm: %d\n", frame.fbm, it->second->fbm, frame.psm);
		}

		it->second->fbm &= frame.fbm;
		it->second->psm = frame.psm; // have to convert (ffx2)

		if( (it->first & TARGET_VIRTUAL_KEY) && !(opts&TO_Virtual) ) {
			// switch
			it->second->lastused = timeGetTime();
			return Promote(it->first&~TARGET_VIRTUAL_KEY);
		}
		
		// check if there exists a more recent target that this target could update from
		for(MAPTARGETS::iterator itnew = mapTargets.begin(); itnew != mapTargets.end(); ++itnew) {
			if( itnew->second != it->second && itnew->second->start <= it->second->start && itnew->second->end >= it->second->end &&
				itnew->second->lastused > it->second->lastused && !(itnew->second->status & CRenderTarget::TS_NeedUpdate) ) {
				
				it->second->status |= CRenderTarget::TS_NeedUpdate;
				it->second->nUpdateTarg = itnew->first;
				break;
			}
		}

		it->second->lastused = timeGetTime();

		return it->second;
	}

	// NOTE: instead of resolving, if current render targ is completely outside of old, can transfer
	// the data like that.

	// have to change, so recreate (find all intersecting targets and Resolve)
	u32 besttarg = 0;

	if( !(opts & CRenderTargetMngr::TO_Virtual) ) {

		int start, end;
		GetRectMemAddress(start, end, frame.psm, 0, 0, frame.fbw, frame.fbh, frame.fbp, frame.fbw);

		if( !(opts & CRenderTargetMngr::TO_StrictHeight) ) {

			// if there is only one intersecting target and it encompasses the current one, update the new render target with
			// its data instead of resolving then updating (ffx2). Do not change the original target.
			for(MAPTARGETS::iterator it = mapTargets.begin(); it != mapTargets.end(); ++it) {
				if( it->second->start < end && start < it->second->end ) {
//					if( g_GameSettings&GAME_FASTUPDATE ) {
//						besttarg = it->first;
//						//break;
//					}
//					else {
						if( (g_GameSettings&GAME_FASTUPDATE) || (it->second->fbp != frame.fbp && it->second->fbw == frame.fbw) ) {

							if( besttarg != 0 ) {
								besttarg = 0;
								break;
							}

							if( start >= it->second->start && end <= it->second->end ) {
								besttarg = it->first;
							}
						}
//					}
				}
			}
		}

		if( besttarg == 0 ) {
			// if none found, resolve all
			DestroyAllTargs(start, end, frame.fbw);
		}
	}

	if( mapTargets.size() > 8 ) {
		// release some resources
		it = GetOldestTarg(mapTargets);

		// if more than 5s passed since target used, destroy
		if( timeGetTime()-it->second->lastused > 5000 ) {
			delete it->second;
			mapTargets.erase(it);
		}
	}

	if( mapDummyTargs.size() > 8 ) {
		it = GetOldestTarg(mapDummyTargs);

		delete it->second;
		mapDummyTargs.erase(it);
	}

	// first search for the target
	CRenderTarget* ptarg = NULL;

	it = mapDummyTargs.find( (frame.fbw<<16)|frame.fbh );
	if( it != mapDummyTargs.end() ) {
		ptarg = it->second;
		mapDummyTargs.erase(it);

		// restore all setttings
		ptarg->psm = frame.psm;
		ptarg->fbm = frame.fbm;
		ptarg->fbp = frame.fbp;
		GetRectMemAddress(ptarg->start, ptarg->end, frame.psm, 0, 0, frame.fbw, frame.fbh, frame.fbp, frame.fbw);

		ptarg->status = CRenderTarget::TS_NeedUpdate;
	}
	else {
		// create anew
		ptarg = (opts&TO_DepthBuffer) ? new CDepthTarget() : new CRenderTarget();
		CRenderTargetMngr* pmngrs[2] = { &s_DepthRTs, this == &s_RTs ? &s_RTs : NULL };
		int cur = 0;

		while( !ptarg->Create(frame) ) {

			// destroy unused targets
			if( mapDummyTargs.size() > 0 ) {
				it = mapDummyTargs.begin();
				delete it->second;
				mapDummyTargs.erase(it);
				continue;
			}

			if( g_MemTargs.listClearedTargets.size() > 0 ) {
				g_MemTargs.DestroyCleared();
				continue;
			}
			else
			if( g_MemTargs.listTargets.size() > 32 ) {
				g_MemTargs.DestroyOldest();
				continue;
			}

			if( pmngrs[cur] == NULL ) {
				cur = !cur;
				if( pmngrs[cur] == NULL ) {
					WARN_LOG("Out of memory!\n");
					delete ptarg;
					return NULL;
				}
			}

			if( pmngrs[cur]->mapTargets.size() == 0 )
			{
				pmngrs[cur] = NULL;
				cur = !cur;
				continue;
			}

			it = GetOldestTarg(pmngrs[cur]->mapTargets);

			DestroyTarg(it->second);
			pmngrs[cur]->mapTargets.erase(it);
			cur = !cur;
		}
	}
	
	if( (opts & CRenderTargetMngr::TO_Virtual) ) {
		ptarg->status = CRenderTarget::TS_Virtual;
		key |= TARGET_VIRTUAL_KEY;

		if( (it = mapTargets.find(key)) != mapTargets.end() ) {

			DestroyTarg(it->second);
			it->second = ptarg;
			ptarg->nUpdateTarg = besttarg;
			return ptarg;
		}
	}
	else
		assert( mapTargets.find(key) == mapTargets.end());

	ptarg->nUpdateTarg = besttarg;
	mapTargets[key] = ptarg;
	return ptarg;
}

ZeroGS::CRenderTargetMngr::MAPTARGETS::iterator ZeroGS::CRenderTargetMngr::GetOldestTarg(MAPTARGETS& m)
{
	if( m.size() == 0 ) {
		return m.end();
	}

	// release some resources
	u32 curtime = timeGetTime();
	MAPTARGETS::iterator itmaxtarg = m.begin();
	for(MAPTARGETS::iterator it = ++m.begin(); it != m.end(); ++it) {
		if( itmaxtarg->second->lastused-curtime < it->second->lastused-curtime ) itmaxtarg = it;
	}

	return itmaxtarg;
}

void ZeroGS::CRenderTargetMngr::GetTargs(int start, int end, list<ZeroGS::CRenderTarget*>& listTargets) const
{
	for(MAPTARGETS::const_iterator it = mapTargets.begin(); it != mapTargets.end(); ++it) {
		if( it->second->start < end && start < it->second->end ) listTargets.push_back(it->second);
	}
}

void ZeroGS::CRenderTargetMngr::Resolve(int start, int end)
{
	for(MAPTARGETS::const_iterator it = mapTargets.begin(); it != mapTargets.end(); ++it) {
		if( it->second->start < end && start < it->second->end )
			it->second->Resolve();
	}
}

void ZeroGS::CMemoryTargetMngr::Destroy()
{
	listTargets.clear();
	listClearedTargets.clear();
}

int memcmp_clut16(u16* pSavedBuffer, u16* pClutBuffer, int clutsize)
{
	assert( (clutsize&31) == 0 );

	// left > 0 only when csa < 16
	int left = ((u32)(uptr)pClutBuffer & 2) ? 0 : (((u32)(uptr)pClutBuffer & 0x3ff)/2) + clutsize - 512;
	if( left > 0 ) clutsize -= left;

	while(clutsize > 0) {
		for(int i = 0; i < 16; ++i) {
			if( pSavedBuffer[i] != pClutBuffer[2*i] )
				return 1;
		}

		clutsize -= 32;
		pSavedBuffer += 16;
		pClutBuffer += 32;
	}

	if( left > 0 ) {
		pClutBuffer = (u16*)(g_pbyGSClut + 2);

		while(left > 0) {
			for(int i = 0; i < 16; ++i) {
				if( pSavedBuffer[i] != pClutBuffer[2*i] )
					return 1;
			}

			left -= 32;
			pSavedBuffer += 16;
			pClutBuffer += 32;
		}
	}

	return 0;
}

bool ZeroGS::CMemoryTarget::ValidateClut(const tex0Info& tex0)
{
	assert( tex0.psm == psm && PSMT_ISCLUT(psm) && cpsm == tex0.cpsm );

	int nClutOffset = 0;
	int clutsize = 0;

	int entries = (tex0.psm&3)==3 ? 256 : 16;
	if( tex0.cpsm <= 1 ) { // 32 bit
		nClutOffset = 64 * tex0.csa;
		clutsize = min(entries, 256-tex0.csa*16)*4;
	}
	else {
		nClutOffset = 32 * (tex0.csa&15) + (tex0.csa>=16?2:0);
		clutsize = min(entries, 512-tex0.csa*16)*2;
	}

	assert( clutsize == clut.size() );

	if( cpsm <= 1 ) {
		if( memcmp_mmx(&clut[0], g_pbyGSClut+nClutOffset, clutsize) )
			return false;
	}
	else {
		if( memcmp_clut16((u16*)&clut[0], (u16*)(g_pbyGSClut+nClutOffset), clutsize) )
			return false;
	}

	return true;
}

int VALIDATE_THRESH = 8;
u32 TEXDESTROY_THRESH = 16;

bool ZeroGS::CMemoryTarget::ValidateTex(const tex0Info& tex0, int starttex, int endtex, bool bDeleteBadTex)
{
	if( clearmaxy == 0 )
		return true;

	int checkstarty = max(starttex, clearminy);
	int checkendy = min(endtex, clearmaxy);
	if( checkstarty >= checkendy )
		return true;

	if( validatecount++ > VALIDATE_THRESH ) {
		height = 0;
		return false;
	}

	// lock and compare
	assert( ptex != NULL && ptex->memptr != NULL);
	
	int result = memcmp_mmx(ptex->memptr + (checkstarty-realy)*4*GPU_TEXWIDTH, g_pbyGSMemory+checkstarty*4*GPU_TEXWIDTH, (checkendy-checkstarty)*4*GPU_TEXWIDTH);

	if( result == 0 || !bDeleteBadTex ) {
		if( result == 0 ) clearmaxy = 0;
		return result == 0;
	}

	// delete clearminy, clearmaxy range (not the checkstarty, checkendy range)
	int newstarty = 0;
	if( clearminy <= starty ) {
		if( clearmaxy < starty + height) {
			// preserve end
			height = starty+height-clearmaxy;
			starty = clearmaxy;
			assert(height > 0);
		}
		else {
			// destroy
			height = 0;
		}
	}
	else {
		// beginning can be preserved
		height = clearminy-starty;
	}

	clearmaxy = 0;
	assert( starty >= realy && starty+height<=realy+realheight );

	return false;
}

// used to build clut textures (note that this is for both 16 and 32 bit cluts)
#define BUILDCLUT() { \
	switch(tex0.psm) { \
		case PSMT8: \
			for(int i = 0; i < targ->height; ++i) { \
				for(int j = 0; j < GPU_TEXWIDTH/2; ++j) { \
					pdst[0] = pclut[psrc[0]]; \
					pdst[1] = pclut[psrc[1]]; \
					pdst[2] = pclut[psrc[2]]; \
					pdst[3] = pclut[psrc[3]]; \
					pdst[4] = pclut[psrc[4]]; \
					pdst[5] = pclut[psrc[5]]; \
					pdst[6] = pclut[psrc[6]]; \
					pdst[7] = pclut[psrc[7]]; \
					pdst += 8; \
					psrc += 8; \
				} \
			} \
			break; \
		case PSMT4: \
			for(int i = 0; i < targ->height; ++i) { \
				for(int j = 0; j < GPU_TEXWIDTH; ++j) { \
					pdst[0] = pclut[psrc[0]&15]; \
					pdst[1] = pclut[psrc[0]>>4]; \
					pdst[2] = pclut[psrc[1]&15]; \
					pdst[3] = pclut[psrc[1]>>4]; \
					pdst[4] = pclut[psrc[2]&15]; \
					pdst[5] = pclut[psrc[2]>>4]; \
					pdst[6] = pclut[psrc[3]&15]; \
					pdst[7] = pclut[psrc[3]>>4]; \
					 \
					pdst += 8; \
					psrc += 4; \
				} \
			} \
			break; \
		case PSMT8H: \
			for(int i = 0; i < targ->height; ++i) { \
				for(int j = 0; j < GPU_TEXWIDTH/8; ++j) { \
					pdst[0] = pclut[psrc[3]]; \
					pdst[1] = pclut[psrc[7]]; \
					pdst[2] = pclut[psrc[11]]; \
					pdst[3] = pclut[psrc[15]]; \
					pdst[4] = pclut[psrc[19]]; \
					pdst[5] = pclut[psrc[23]]; \
					pdst[6] = pclut[psrc[27]]; \
					pdst[7] = pclut[psrc[31]]; \
					pdst += 8; \
					psrc += 32; \
				} \
			} \
			break; \
		case PSMT4HH: \
			for(int i = 0; i < targ->height; ++i) { \
				for(int j = 0; j < GPU_TEXWIDTH/8; ++j) { \
					pdst[0] = pclut[psrc[3]>>4]; \
					pdst[1] = pclut[psrc[7]>>4]; \
					pdst[2] = pclut[psrc[11]>>4]; \
					pdst[3] = pclut[psrc[15]>>4]; \
					pdst[4] = pclut[psrc[19]>>4]; \
					pdst[5] = pclut[psrc[23]>>4]; \
					pdst[6] = pclut[psrc[27]>>4]; \
					pdst[7] = pclut[psrc[31]>>4]; \
					pdst += 8; \
					psrc += 32; \
				} \
			} \
			break; \
		case PSMT4HL: \
			for(int i = 0; i < targ->height; ++i) { \
				for(int j = 0; j < GPU_TEXWIDTH/8; ++j) { \
					pdst[0] = pclut[psrc[3]&15]; \
					pdst[1] = pclut[psrc[7]&15]; \
					pdst[2] = pclut[psrc[11]&15]; \
					pdst[3] = pclut[psrc[15]&15]; \
					pdst[4] = pclut[psrc[19]&15]; \
					pdst[5] = pclut[psrc[23]&15]; \
					pdst[6] = pclut[psrc[27]&15]; \
					pdst[7] = pclut[psrc[31]&15]; \
					pdst += 8; \
					psrc += 32; \
				} \
			} \
			break; \
		default: \
			assert(0); \
	} \
} \

#define TARGET_THRESH 0x500

extern int g_MaxTexWidth, g_MaxTexHeight;

//#define SORT_TARGETS
inline list<CMemoryTarget>::iterator ZeroGS::CMemoryTargetMngr::DestroyTargetIter(list<CMemoryTarget>::iterator& it)
{
	// find the target and destroy
	list<CMemoryTarget>::iterator itprev = it; ++it;
	listClearedTargets.splice(listClearedTargets.end(), listTargets, itprev);
	
	if( listClearedTargets.size() > TEXDESTROY_THRESH ) {
		listClearedTargets.pop_front();
	}

	return it;
}

ZeroGS::CMemoryTarget* ZeroGS::CMemoryTargetMngr::GetMemoryTarget(const tex0Info& tex0, int forcevalidate)
{
	int nbStart, nbEnd;
	GetRectMemAddress(nbStart, nbEnd, tex0.psm, 0, 0, tex0.tw, tex0.th, tex0.tbp0, tex0.tbw);
	assert( nbStart < nbEnd );
	nbEnd = min(nbEnd, 0x00400000);

	int nClutOffset = 0;
	int clutsize = 0;

	if( PSMT_ISCLUT(tex0.psm) ) {
		int entries = (tex0.psm&3)==3 ? 256 : 16;
		if( tex0.cpsm <= 1 ) { // 32 bit
			nClutOffset = 64 * tex0.csa;
			clutsize = min(entries, 256-tex0.csa*16)*4;
		}
		else {
			nClutOffset = 64 * (tex0.csa&15) + (tex0.csa>=16?2:0);
			clutsize = min(entries, 512-tex0.csa*16)*2;
		}
	}

	DVProfileFunc _pf("GetMemoryTarget");

	int start = nbStart / (4*GPU_TEXWIDTH);
	int end = (nbEnd + GPU_TEXWIDTH*4 - 1) / (4*GPU_TEXWIDTH);
	assert( start < end );

	for(list<CMemoryTarget>::iterator it = listTargets.begin(); it != listTargets.end(); ) {

		if( it->starty <= start && it->starty+it->height >= end ) {

			assert( it->psm != 0xd );

			// using clut, validate that same data
			if( PSMT_ISCLUT(it->psm) != PSMT_ISCLUT(tex0.psm) ) {
				if( it->validatecount++ > VALIDATE_THRESH ) {
					it = DestroyTargetIter(it);
					if( listTargets.size() == 0 )
						break;
				}
				else
					++it;
				continue;
			}

			if( PSMT_ISCLUT(tex0.psm) ) {
				assert( it->clut.size() > 0 );
				
				if( it->psm != tex0.psm || it->cpsm != tex0.cpsm || it->clut.size() != clutsize ) {
					// wrong clut
					if( it->validatecount++ > VALIDATE_THRESH ) {
						it = DestroyTargetIter(it);
						if( listTargets.size() == 0 )
							break;
					}
					else
						++it;
					continue;
				}

				if( tex0.cpsm <= 1 ) {
					if( memcmp_mmx(&it->clut[0], g_pbyGSClut+nClutOffset, clutsize) ) {
						++it;
						continue;
					}
				}
				else {
					if( memcmp_clut16((u16*)&it->clut[0], (u16*)(g_pbyGSClut+nClutOffset), clutsize) ) {
						++it;
						continue;
					}
				}
			}
			else if( PSMT_IS16BIT(tex0.psm) != PSMT_IS16BIT(it->psm) ) {

				if( it->validatecount++ > VALIDATE_THRESH ) {
					it = DestroyTargetIter(it);
					if( listTargets.size() == 0 )
						break;
				}
				else
					++it;

				continue;
			}

			if( forcevalidate ) {//&& listTargets.size() < TARGET_THRESH ) {
				// do more validation checking. delete if not been used for a while
				if( !it->ValidateTex(tex0, start, end, curstamp > it->usedstamp + 3) ) {
					if( it->height <= 0 ) {
						it = DestroyTargetIter(it);
						if( listTargets.size() == 0 )
							break;
					}
					else
						++it;
					continue;
				}
			}

			it->usedstamp = curstamp;
			it->validatecount = 0;
			
			return &(*it);
		}
#ifdef SORT_TARGETS
		else if( it->starty >= end )
			break;
#endif

		++it;
	}

	// couldn't find so create
	DVProfileFunc _pf1("GetMemoryTarget:Create");

	CMemoryTarget* targ;

	u32 fmt = GL_UNSIGNED_BYTE;
	if( (PSMT_ISCLUT(tex0.psm) && tex0.cpsm > 1) || tex0.psm == PSMCT16 || tex0.psm == PSMCT16S) {
		fmt = GL_UNSIGNED_SHORT_1_5_5_5_REV;
	}
	
	int widthmult = 1;
	if( g_MaxTexHeight < 4096 ) {
		if( end-start > g_MaxTexHeight )
			widthmult = 2;
	}

	int channels = 1;
	if( PSMT_ISCLUT(tex0.psm) ) {
		if( tex0.psm == PSMT8 ) channels = 4;
		else if( tex0.psm == PSMT4 ) channels = 8;
	}
	else {
		if( PSMT_IS16BIT(tex0.psm) ) {
			// 16z needs to be a8r8g8b8
			channels = 2;
		}
	}

	if( listClearedTargets.size() > 0 ) {

		list<CMemoryTarget>::iterator itbest = listClearedTargets.begin();
		while(itbest != listClearedTargets.end()) {

			if( end-start <= itbest->realheight && itbest->fmt == fmt && itbest->widthmult == widthmult && itbest->channels == channels ) {
				// check channels
				int targchannels = 1;
				if( PSMT_ISCLUT(itbest->psm) ) {
					if( itbest->psm == PSMT8 ) targchannels = 4;
					else if( itbest->psm == PSMT4 ) targchannels = 8;
				}
				else if( PSMT_IS16BIT(itbest->psm) ) {
					targchannels = 2;
				}
				if( targchannels == channels )
					break;
			}
			++itbest;
		}

		if( itbest != listClearedTargets.end()) {
			listTargets.splice(listTargets.end(), listClearedTargets, itbest);
			targ = &listTargets.back();
			targ->validatecount = 0;
		}
		else {
			// create a new
			listTargets.push_back(CMemoryTarget());
			targ = &listTargets.back();
		}
	}
	else {
		listTargets.push_back(CMemoryTarget());
		targ = &listTargets.back();
	}

	// fill local clut
	if( PSMT_ISCLUT(tex0.psm) ) {
		assert( clutsize > 0 );
		targ->cpsm = tex0.cpsm;
		targ->clut.reserve(256*4); // no matter what
		targ->clut.resize(clutsize);
		
		if( tex0.cpsm <= 1 ) { // 32 bit
			memcpy_amd(&targ->clut[0], g_pbyGSClut+nClutOffset, clutsize);
		}
		else {
			u16* pClutBuffer = (u16*)(g_pbyGSClut + nClutOffset);
			u16* pclut = (u16*)&targ->clut[0];
			int left = ((u32)nClutOffset & 2) ? 0 : ((nClutOffset&0x3ff)/2)+clutsize-512;
			if( left > 0 ) clutsize -= left;

			while(clutsize > 0) {
				pclut[0] = pClutBuffer[0];
				pclut++;
				pClutBuffer+=2;
				clutsize -= 2;
			}

			if( left > 0) {
				pClutBuffer = (u16*)(g_pbyGSClut + 2);
				while(left > 0) {
					pclut[0] = pClutBuffer[0];
					left -= 2;
					pClutBuffer += 2;
					pclut++;
				}
			}
		}
	}

	if( targ->ptex != NULL ) {

		assert( end-start <= targ->realheight && targ->fmt == fmt && targ->widthmult == widthmult );
		// good enough, so init
		targ->realy = targ->starty = start;
		targ->usedstamp = curstamp;
		targ->psm = tex0.psm;
		targ->cpsm = tex0.cpsm;
		targ->height = end-start;
	}

	if( targ->ptex == NULL ) {

		// not initialized yet
		targ->fmt = fmt;
		targ->realy = targ->starty = start;
		targ->realheight = targ->height = end-start;
		targ->usedstamp = curstamp;
		targ->psm = tex0.psm;
		targ->cpsm = tex0.cpsm;
		targ->widthmult = widthmult;
		targ->channels = channels;
	
		// alloc the mem
		targ->ptex = new CMemoryTarget::TEXTURE();
		targ->ptex->ref = 1;
	}

#ifdef ZEROGS_DEVBUILD
	g_TransferredToGPU += GPU_TEXWIDTH * channels * 4 * targ->height;
#endif
	
	// fill with data
	if( targ->ptex->memptr == NULL ) {
		targ->ptex->memptr = (u8*)_aligned_malloc(4 * GPU_TEXWIDTH * targ->realheight, 16);
		assert(targ->ptex->ref > 0 );
	}

	memcpy_amd(targ->ptex->memptr, g_pbyGSMemory + 4 * GPU_TEXWIDTH * targ->realy, 4 * GPU_TEXWIDTH * targ->height);
	vector<u8> texdata;
	u8* ptexdata = NULL;
	
	if( PSMT_ISCLUT(tex0.psm) ) {

		texdata.resize( (tex0.cpsm <= 1?4:2) *GPU_TEXWIDTH*channels*widthmult*(targ->realheight+widthmult-1)/widthmult);
		ptexdata = &texdata[0];

		u8* psrc = (u8*)(g_pbyGSMemory + 4 * GPU_TEXWIDTH * targ->realy);

		if( tex0.cpsm <= 1 ) { // 32bit
			u32* pclut = (u32*)&targ->clut[0];
			u32* pdst = (u32*)ptexdata;

			BUILDCLUT();
		}
		else {
			u16* pclut = (u16*)&targ->clut[0];
			u16* pdst = (u16*)ptexdata;
			
			BUILDCLUT();
		}
	}
	else {
		if( tex0.psm == PSMT16Z || tex0.psm == PSMT16SZ ) {
#if defined(ZEROGS_SSE2)		
			// reserve additional elements for alignment if SSE2 used. 
			texdata.resize(4 * GPU_TEXWIDTH * channels * widthmult * (targ->realheight + widthmult - 1) / widthmult + 15);
#else
			texdata.resize(4 * GPU_TEXWIDTH * channels * widthmult * (targ->realheight + widthmult - 1) / widthmult);
#endif
			ptexdata = &texdata[0];
			// needs to be 8 bit, use xmm for unpacking
			u16* dst = (u16*)ptexdata;
			u16* src = (u16*)(g_pbyGSMemory + 4 * GPU_TEXWIDTH * targ->realy);
			
#if defined(ZEROGS_SSE2)
			if (((u32)(uptr)dst) % 16 != 0) {
				// This is not an unusual situation, when vector<u8> does not align 16bit, it is destructive for SSE2
				// instruction movdqa [%eax], xmm0
				// The idea would be resize vector to 15 elements, and set ptxedata to an aligned position.
				// Later we would move eax by 16, so  we should only verify that the first element is aligned
				// FIXME. As I see, texdata used only once here, it does not have any impact on other code.
				// Probably, usage of _aligned_maloc() would be preferable.
				// --  Zeydlitz
				
				int disalignment = 16 - ((u32)(uptr)dst)%16 ;		// This is value of shift. It could be 0 < disalignment <= 15	
				ptexdata = &texdata[disalignment];			// Set pointer to aligned element
				dst = (u16*)ptexdata;					
				GS_LOG("Made alignment for texdata, 0x%x\n", dst );	
				assert( ((u32)(uptr)dst)%16 == 0 );			// Assert, because at future could be vectors with uncontigious spaces
			}
			int iters = targ->height*GPU_TEXWIDTH/16;

#if defined(_MSC_VER) 
			
			__asm {
				mov edx, iters
				pxor xmm7, xmm7
				mov eax, dst
				mov ecx, src

Z16Loop:
				// unpack 64 bytes at a time
				movdqa xmm0, [ecx]
				movdqa xmm2, [ecx+16]
				movdqa xmm4, [ecx+32]
				movdqa xmm6, [ecx+48]

				movdqa xmm1, xmm0
				movdqa xmm3, xmm2
				movdqa xmm5, xmm4

				punpcklwd xmm0, xmm7
				punpckhwd xmm1, xmm7
				punpcklwd xmm2, xmm7
				punpckhwd xmm3, xmm7

				// start saving
				movdqa [eax], xmm0
				movdqa [eax+16], xmm1

				punpcklwd xmm4, xmm7
				punpckhwd xmm5, xmm7

				movdqa [eax+32], xmm2
				movdqa [eax+48], xmm3

				movdqa xmm0, xmm6
				punpcklwd xmm6, xmm7

				movdqa [eax+64], xmm4
				movdqa [eax+80], xmm5

				punpckhwd xmm0, xmm7

				movdqa [eax+96], xmm6
				movdqa [eax+112], xmm0

				add ecx, 64
				add eax, 128
				sub edx, 1
				jne Z16Loop
			}
#else // _MSC_VER

			__asm__(".intel_syntax\n"
					"pxor %%xmm7, %%xmm7\n"
					
					"Z16Loop:\n"
					// unpack 64 bytes at a time
					"movdqa %%xmm0, [%0]\n"
					"movdqa %%xmm2, [%0+16]\n"
					"movdqa %%xmm4, [%0+32]\n"
					"movdqa %%xmm6, [%0+48]\n"
					
					"movdqa %%xmm1, %%xmm0\n"
					"movdqa %%xmm3, %%xmm2\n"
					"movdqa %%xmm5, %%xmm4\n"
					
					"punpcklwd %%xmm0, %%xmm7\n"
					"punpckhwd %%xmm1, %%xmm7\n"
					"punpcklwd %%xmm2, %%xmm7\n"
					"punpckhwd %%xmm3, %%xmm7\n"
					
					// start saving
					"movdqa [%1], %%xmm0\n"
					"movdqa [%1+16], %%xmm1\n"
					
					"punpcklwd %%xmm4, %%xmm7\n"
					"punpckhwd %%xmm5, %%xmm7\n"
					
					"movdqa [%1+32], %%xmm2\n"
					"movdqa [%1+48], %%xmm3\n"
					
					"movdqa %%xmm0, %%xmm6\n"
					"punpcklwd %%xmm6, %%xmm7\n"
					
					"movdqa [%1+64], %%xmm4\n"
					"movdqa [%1+80], %%xmm5\n"

					"punpckhwd %%xmm0, %%xmm7\n"
					
					"movdqa [%1+96], %%xmm6\n"
					"movdqa [%1+112], %%xmm0\n"
					
					"add %0, 64\n"
					"add %1, 128\n"
					"sub %2, 1\n"
					"jne Z16Loop\n"
					".att_syntax\n" : "=r"(src), "=r"(dst), "=r"(iters) : "0"(src), "1"(dst), "2"(iters));

#endif // _MSC_VER
#else // ZEROGS_SSE2
			for(int i = 0; i < targ->height; ++i) {
				for(int j = 0; j < GPU_TEXWIDTH; ++j) {
					dst[0] = src[0]; dst[1] = 0;
					dst[2] = src[1]; dst[3] = 0;
					dst += 4;
					src += 2;
				}
			}
#endif // ZEROGS_SSE2
		}
		else {
			ptexdata = targ->ptex->memptr;
		}
	}

	// create the texture
	GL_REPORT_ERRORD();
	assert(ptexdata != NULL);
	if( targ->ptex->tex == 0 )
		glGenTextures(1, &targ->ptex->tex);
	glBindTexture(GL_TEXTURE_RECTANGLE_NV, targ->ptex->tex);
	glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, fmt==GL_UNSIGNED_BYTE?4:GL_RGB5_A1, GPU_TEXWIDTH*channels*widthmult, 
		(targ->realheight+widthmult-1)/widthmult, 0, GL_RGBA, fmt, ptexdata);

	int realheight = targ->realheight;
	while( glGetError() != GL_NO_ERROR ) {
		
		// release resources until can create
		if( listClearedTargets.size() > 0 )
			listClearedTargets.pop_front();
		else {
			if( listTargets.size() == 0 ) {
				ERROR_LOG("Failed to create %dx%x texture\n", GPU_TEXWIDTH*channels*widthmult, (realheight+widthmult-1)/widthmult);
				channels = 1;
				return NULL;
			}
			DestroyOldest();
		}

		glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, 4, GPU_TEXWIDTH*channels*widthmult, (targ->realheight+widthmult-1)/widthmult, 0, GL_RGBA, fmt, ptexdata);
	}

	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_S, GL_CLAMP);
	glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_T, GL_CLAMP);

	assert( tex0.psm != 0xd );
	if( PSMT_ISCLUT(tex0.psm) )
		assert( targ->clut.size() > 0 );

	return targ;
}

void ZeroGS::CMemoryTargetMngr::ClearRange(int nbStartY, int nbEndY)
{
	int starty = nbStartY / (4*GPU_TEXWIDTH);
	int endy = (nbEndY+4*GPU_TEXWIDTH-1) / (4*GPU_TEXWIDTH);
	//int endy = (nbEndY+4096-1) / 4096;

	//if( listTargets.size() < TARGET_THRESH ) {
		for(list<CMemoryTarget>::iterator it = listTargets.begin(); it != listTargets.end(); ) {

			if( it->starty < endy && (it->starty+it->height) > starty ) {

				// intersects, reduce valid texture mem (or totally delete texture)
				// there are 4 cases
				int miny = max(it->starty, starty);
				int maxy = min(it->starty+it->height, endy);
				assert(miny < maxy);

				if( it->clearmaxy == 0 ) {
					it->clearminy = miny;
					it->clearmaxy = maxy;
				}
				else {
					if( it->clearminy > miny ) it->clearminy = miny;
					if( it->clearmaxy < maxy ) it->clearmaxy = maxy;
				}
			}

			++it;
		}
//  }
//  else {
//	  for(list<CMemoryTarget>::iterator it = listTargets.begin(); it != listTargets.end(); ) {
//
//		  if( it->starty < endy && (it->starty+it->height) > starty ) {
//			  int newstarty = 0;
//			  if( starty <= it->starty ) {
//				  if( endy < it->starty + it->height) {
//					  // preserve end
//					  it->height = it->starty+it->height-endy;
//					  it->starty = endy;
//					  assert(it->height > 0);
//				  }
//				  else {
//					  // destroy
//					  it->height = 0;
//				  }
//			  }
//			  else {
//				  // beginning can be preserved
//				  it->height = starty-it->starty;
//			  }
//
//			  assert( it->starty >= it->realy && it->starty+it->height<=it->realy+it->realheight );
//			  if( it->height <= 0 ) {
//				  list<CMemoryTarget>::iterator itprev = it; ++it;
//				  listClearedTargets.splice(listClearedTargets.end(), listTargets, itprev);
//				  continue;
//			  }
//		  }
//		  
//		  ++it;
//	  }
//  }
}

void ZeroGS::CMemoryTargetMngr::DestroyCleared()
{
	for(list<CMemoryTarget>::iterator it = listClearedTargets.begin(); it != listClearedTargets.end(); ) {
		if( it->usedstamp < curstamp - 2 ) {
			it = listClearedTargets.erase(it);
			continue;
		}
		
		++it;
	}

	if( (curstamp % 3) == 0 ) {
		// purge old targets every 3 frames
		for(list<CMemoryTarget>::iterator it = listTargets.begin(); it != listTargets.end(); ) {
			if( it->usedstamp < curstamp - 3 ) {
				it = listTargets.erase(it);
				continue;
			}

			++it;
		}
	}

	++curstamp;
}

void ZeroGS::CMemoryTargetMngr::DestroyOldest()
{
	if( listTargets.size() == 0 )
		return;

	list<CMemoryTarget>::iterator it, itbest;
	it = itbest = listTargets.begin();
	
	while(it != listTargets.end()) {
		if( it->usedstamp < itbest->usedstamp )
			itbest = it;
		++it;
	}

	listTargets.erase(itbest);
}

//////////////////////////////////////
// Texture Mngr For Bitwise AND Ops //
//////////////////////////////////////
void ZeroGS::CBitwiseTextureMngr::Destroy()
{
	for(map<u32, u32>::iterator it = mapTextures.begin(); it != mapTextures.end(); ++it)
		glDeleteTextures(1, &it->second);
	mapTextures.clear();
}

u32 ZeroGS::CBitwiseTextureMngr::GetTexInt(u32 bitvalue, u32 ptexDoNotDelete)
{
	if( mapTextures.size() > 32 ) {
		// randomly delete 8
		for(map<u32, u32>::iterator it = mapTextures.begin(); it != mapTextures.end();) {
			if( !(rand()&3) && it->second != ptexDoNotDelete) {
				glDeleteTextures(1, &it->second);
				mapTextures.erase(it++);
			}
			else ++it;
		}
	}

	// create a new tex
	u32 ptex;
	glGenTextures(1, &ptex);

	vector<u16> data(GPU_TEXMASKWIDTH);
	for(u32 i = 0; i < GPU_TEXMASKWIDTH; ++i)
		data[i] = ((i&bitvalue)<<6)|0x1f; // add the 1/2 offset so that

	glBindTexture(GL_TEXTURE_2D, ptex);
	glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE16, GPU_TEXMASKWIDTH, 1, 0, GL_LUMINANCE, GL_UNSIGNED_SHORT, &data[0]);

	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);

	if( glGetError() != GL_NO_ERROR ) {
		ERROR_LOG("Failed to create bitmask texture\n");
		return 0;
	}

	mapTextures[bitvalue] = ptex;
	return ptex;
}

void ZeroGS::CRangeManager::Insert(int start, int end)
{
	int imin = 0, imax = (int)ranges.size(), imid;
	
#ifdef _DEBUG
	// sanity check
	for(int i = 0; i < (int)ranges.size()-1; ++i) assert( ranges[i].end < ranges[i+1].start );
#endif

	switch( ranges.size() ) {
		case 0:
			ranges.push_back(RANGE(start, end));
			return;

		case 1:
			if( end < ranges.front().start ) {
				ranges.insert(ranges.begin(), RANGE(start, end));
			}
			else if( start > ranges.front().end ) {
				ranges.push_back(RANGE(start, end));
			}
			else {
				if( start < ranges.front().start ) ranges.front().start = start;
				if( end > ranges.front().end ) ranges.front().end = end;
			}

			return;
	}

	// find where start is
	while(imin < imax) {
		imid = (imin+imax)>>1;

		assert( imid < (int)ranges.size() );

		if( ranges[imid].end >= start && (imid == 0 || ranges[imid-1].end < start) ) {
			imin = imid;
			break;
		}
		else if( ranges[imid].start > start ) imax = imid;
		else imin = imid+1;
	}

	int startindex = imin;

	if( startindex >= (int)ranges.size() ) {
		// non intersecting
		assert( start > ranges.back().end );
		ranges.push_back(RANGE(start, end));
		return;
	}
	if( startindex == 0 && end < ranges.front().start ) {
		ranges.insert(ranges.begin(), RANGE(start, end));

#ifdef _DEBUG
		// sanity check
		for(int i = 0; i < (int)ranges.size()-1; ++i) assert( ranges[i].end < ranges[i+1].start );
#endif
		return;
	}

	imin = 0; imax = (int)ranges.size();

	// find where end is
	while(imin < imax) {
		imid = (imin+imax)>>1;

		assert( imid < (int)ranges.size() );

		if( ranges[imid].end <= end && (imid == ranges.size()-1 || ranges[imid+1].start > end ) ) {
			imin = imid;
			break;
		}
		else if( ranges[imid].start >= end ) imax = imid;
		else imin = imid+1;
	}

	int endindex = imin;

	if( startindex > endindex ) {
		// create a new range
		ranges.insert(ranges.begin()+startindex, RANGE(start, end));

#ifdef _DEBUG
		// sanity check
		for(int i = 0; i < (int)ranges.size()-1; ++i) assert( ranges[i].end < ranges[i+1].start );
#endif
		return;
	}

	if( endindex >= (int)ranges.size()-1 ) {
		// pop until startindex is reached
		int lastend = ranges.back().end;
		int numpop = (int)ranges.size() - startindex - 1;
		while(numpop-- > 0 ) ranges.pop_back();

		assert( start <= ranges.back().end );
		if( start < ranges.back().start ) ranges.back().start = start;
		if( lastend > ranges.back().end ) ranges.back().end = lastend;
		if( end > ranges.back().end ) ranges.back().end = end;

#ifdef _DEBUG
		// sanity check
		for(int i = 0; i < (int)ranges.size()-1; ++i) assert( ranges[i].end < ranges[i+1].start );
#endif

		return;
	}

	if( endindex == 0 ) {
		assert( end >= ranges.front().start );
		if( start < ranges.front().start ) ranges.front().start = start;
		if( end > ranges.front().end ) ranges.front().end = end;
		
#ifdef _DEBUG
		// sanity check
		for(int i = 0; i < (int)ranges.size()-1; ++i) assert( ranges[i].end < ranges[i+1].start );
#endif
	}

	// somewhere in the middle
	if( ranges[startindex].start < start ) start = ranges[startindex].start;

	if( startindex < endindex ) {
		ranges.erase(ranges.begin() + startindex, ranges.begin() + endindex );
	}

	if( start < ranges[startindex].start ) ranges[startindex].start = start;
	if( end > ranges[startindex].end ) ranges[startindex].end = end;

#ifdef _DEBUG
	// sanity check
	for(int i = 0; i < (int)ranges.size()-1; ++i) assert( ranges[i].end < ranges[i+1].start );
#endif
}

namespace ZeroGS {

CRangeManager s_RangeMngr; // manages overwritten memory
static int gs_imageEnd = 0;

void ResolveInRange(int start, int end)
{
	list<CRenderTarget*> listTargs;
	s_DepthRTs.GetTargs(start, end, listTargs);
	s_RTs.GetTargs(start, end, listTargs);

	if( listTargs.size() > 0 ) {
		Flush(0);
		Flush(1);

		for(list<CRenderTarget*>::iterator it = listTargs.begin(); it != listTargs.end(); ++it) {
			// only resolve if not completely covered
			(*it)->Resolve();
		}
	}
}

//////////////////
// Transferring //
//////////////////
void FlushTransferRanges(const tex0Info* ptex)
{
	assert( s_RangeMngr.ranges.size() > 0 );
	bool bHasFlushed = false;
	list<CRenderTarget*> listTransmissionUpdateTargs;

	int texstart = -1, texend = -1;
	if( ptex != NULL ) {
		GetRectMemAddress(texstart, texend, ptex->psm, 0, 0, ptex->tw, ptex->th, ptex->tbp0, ptex->tbw);
	}

	for(vector<CRangeManager::RANGE>::iterator itrange = s_RangeMngr.ranges.begin(); itrange != s_RangeMngr.ranges.end(); ++itrange ) {

		int start = itrange->start;
		int end = itrange->end;

		listTransmissionUpdateTargs.clear();
		s_DepthRTs.GetTargs(start, end, listTransmissionUpdateTargs);
		s_RTs.GetTargs(start, end, listTransmissionUpdateTargs);

//	  if( !bHasFlushed && listTransmissionUpdateTargs.size() > 0 ) {
//		  Flush(0);
//		  Flush(1);
//
//#ifdef _DEBUG
//		  // make sure targets are still the same
//		  list<CRenderTarget*>::iterator it;
//		  FORIT(it, listTransmissionUpdateTargs) {
//			  CRenderTargetMngr::MAPTARGETS::iterator itmap;
//			  for(itmap = s_RTs.mapTargets.begin(); itmap != s_RTs.mapTargets.end(); ++itmap) {
//				  if( itmap->second == *it )
//					  break;
//			  }
//
//			  if( itmap == s_RTs.mapTargets.end() ) {
//
//				  for(itmap = s_DepthRTs.mapTargets.begin(); itmap != s_DepthRTs.mapTargets.end(); ++itmap) {
//					  if( itmap->second == *it )
//						  break;
//				  }
//
//				  assert( itmap != s_DepthRTs.mapTargets.end() );
//			  }
//		  }
//#endif
//	  }

		for(list<CRenderTarget*>::iterator it = listTransmissionUpdateTargs.begin(); it != listTransmissionUpdateTargs.end(); ++it) {

			CRenderTarget* ptarg = *it;

			if( (ptarg->status & CRenderTarget::TS_Virtual) )
				continue;

			if( !(ptarg->start < texend && ptarg->end > texstart) ) {
				// chekc if target is currently being used

				if( !(g_GameSettings & GAME_NOQUICKRESOLVE) ) {
					if( ptarg->fbp != vb[0].gsfb.fbp ) {//&& (vb[0].prndr == NULL || ptarg->fbp != vb[0].prndr->fbp) ) {
					
						if( ptarg->fbp != vb[1].gsfb.fbp ) { //&& (vb[1].prndr == NULL || ptarg->fbp != vb[1].prndr->fbp) ) {
							// this render target currently isn't used and is not in the texture's way, so can safely ignore
							// resolving it. Also the range has to be big enough compared to the target to really call it resolved
							// (ffx changing screens, shadowhearts)
							// start == ptarg->start, used for kh to transfer text
							if( ptarg->IsDepth() || end-start > 0x50000 || ((g_GameSettings&GAME_QUICKRESOLVE1)&&start == ptarg->start) )
								ptarg->status |= CRenderTarget::TS_NeedUpdate|CRenderTarget::TS_Resolved;

							continue;
						}
					}
				}
			}
			else {
//			  if( start <= texstart && end >= texend ) {
//				  // texture taken care of so can skip!?
//				  continue;
//			  }
			}

			// the first range check was very rough; some games (dragonball z) have the zbuf in the same page as textures (but not overlapping)
			// so detect that condition
			if( ptarg->fbh % m_Blocks[ptarg->psm].height ) {

				// get start of left-most boundry page
				int targstart, targend;
				ZeroGS::GetRectMemAddress(targstart, targend, ptarg->psm, 0, 0, ptarg->fbw, ptarg->fbh & ~(m_Blocks[ptarg->psm].height-1), ptarg->fbp, ptarg->fbw);

				if( start >= targend ) {

					// don't bother
					if( (ptarg->fbh % m_Blocks[ptarg->psm].height) <= 2 )
						continue;

					// calc how many bytes of the block that the page spans
				}
			}

			if( !(ptarg->status & CRenderTarget::TS_Virtual) ) {

				if( start < ptarg->end && end > ptarg->start ) {

					// suikoden5 is faster with check, but too big of a value and kh screens mess up
					if( end - start > 0x8000 ) {
						// intersects, do only one sided resolves
						if( end-start > 4*ptarg->fbw ) { // at least it be greater than one scanline (spiro is faster)
							if( start > ptarg->start ) {
								ptarg->Resolve(ptarg->start, start);
							}
							else if( end < ptarg->end ) {
								ptarg->Resolve(end, ptarg->end);
							}
						}
					}
					
					ptarg->status |= CRenderTarget::TS_Resolved;
					if( !ptarg->IsDepth() || (!(g_GameSettings & GAME_NODEPTHUPDATE) || end-start > 0x1000) )
						ptarg->status |= CRenderTarget::TS_NeedUpdate;
				}
			}
		}

		ZeroGS::g_MemTargs.ClearRange(start, end);
	}

	s_RangeMngr.Clear();
}

static vector<u8> s_vTempBuffer, s_vTransferCache;

void InitTransferHostLocal()
{
	if( g_bIsLost )
		return;

#ifdef ZEROGS_DEVBUILD
	if( gs.trxpos.dx+gs.imageWnew > gs.dstbuf.bw )
		WARN_LOG("Transfer error, width exceeds\n");
#endif

	bool bHasFlushed = false;

	gs.imageX = gs.trxpos.dx;
	gs.imageY = gs.trxpos.dy;
	gs.imageEndX = gs.imageX + gs.imageWnew;
	gs.imageEndY = gs.imageY + gs.imageHnew;

	assert( gs.imageEndX < 2048 && gs.imageEndY < 2048 );   

	// hack! viewful joe
	if( gs.dstbuf.psm == 63 )
		gs.dstbuf.psm = 0;

	int start, end;
	GetRectMemAddress(start, end, gs.dstbuf.psm, gs.trxpos.dx, gs.trxpos.dy, gs.imageWnew, gs.imageHnew, gs.dstbuf.bp, gs.dstbuf.bw);

	if( end > 0x00400000 ) {
		WARN_LOG("host local out of bounds!\n");
		//gs.imageTransfer = -1;
		end = 0x00400000;
	}

	gs_imageEnd = end;

	if( vb[0].nCount > 0 )
		Flush(0);
	if( vb[1].nCount > 0 )
		Flush(1);

	//PRIM_LOG("trans: bp:%x x:%x y:%x w:%x h:%x\n", gs.dstbuf.bp, gs.trxpos.dx, gs.trxpos.dy, gs.imageWnew, gs.imageHnew);

//  if( !bHasFlushed && (vb[0].bNeedFrameCheck || vb[0].bNeedZCheck || vb[1].bNeedFrameCheck || vb[1].bNeedZCheck)) {
//	  Flush(0);
//	  Flush(1);
//	  bHasFlushed = 1;
//  }
//
//  // for all ranges, flush the targets
//  // check if new rect intersects with current rendering texture, if so, flush
//  if( vb[0].nCount > 0 && vb[0].curprim.tme ) {
//	  int tstart, tend;
//	  GetRectMemAddress(tstart, tend, vb[0].tex0.psm, 0, 0, vb[0].tex0.tw, vb[0].tex0.th, vb[0].tex0.tbp0, vb[0].tex0.tbw);
//
//	  if( start < tend && end > tstart ) {
//		  Flush(0);
//		  Flush(1);
//		  bHasFlushed = 1;
//	  }
//  }
//
//  if( !bHasFlushed && vb[1].nCount > 0 && vb[1].curprim.tme ) {
//	  int tstart, tend;
//	  GetRectMemAddress(tstart, tend, vb[1].tex0.psm, 0, 0, vb[1].tex0.tw, vb[1].tex0.th, vb[1].tex0.tbp0, vb[1].tex0.tbw);
//
//	  if( start < tend && end > tstart ) {
//		  Flush(0);
//		  Flush(1);
//		  bHasFlushed = 1;
//	  }
//  }

	//ZeroGS::g_MemTargs.ClearRange(start, end);
	//s_RangeMngr.Insert(start, end);
}

void TransferHostLocal(const void* pbyMem, u32 nQWordSize)
{
	if( g_bIsLost )
		return;

	DVProfileFunc _pf("TransferHostLocal");

	int start, end;
	GetRectMemAddress(start, end, gs.dstbuf.psm, gs.imageX, gs.imageY, gs.imageWnew, gs.imageHnew, gs.dstbuf.bp, gs.dstbuf.bw);
	assert( start < gs_imageEnd );

	end = gs_imageEnd;

	// sometimes games can decompress to alpha channel of render target only, in this case
	// do a resolve right away. wolverine x2
	if( gs.dstbuf.psm == PSMT8H || gs.dstbuf.psm == PSMT4HL || gs.dstbuf.psm == PSMT4HH ) {
		list<CRenderTarget*> listTransmissionUpdateTargs;
		s_RTs.GetTargs(start, end, listTransmissionUpdateTargs);

		for(list<CRenderTarget*>::iterator it = listTransmissionUpdateTargs.begin(); it != listTransmissionUpdateTargs.end(); ++it) {

			CRenderTarget* ptarg = *it;

			if( (ptarg->status & CRenderTarget::TS_Virtual) )
				continue;

			//ERROR_LOG("resolving to alpha channel\n");
			ptarg->Resolve();
		}
	}

	s_RangeMngr.Insert(start, min(end, start+(int)nQWordSize*16));

	const u8* porgend = (const u8*)pbyMem + 4 * nQWordSize;

	if( s_vTransferCache.size() > 0 ) {

		int imagecache = s_vTransferCache.size();
		s_vTempBuffer.resize(imagecache + nQWordSize*4);
		memcpy(&s_vTempBuffer[0], &s_vTransferCache[0], imagecache);
		memcpy(&s_vTempBuffer[imagecache], pbyMem, nQWordSize*4);

		pbyMem = (const void*)&s_vTempBuffer[0];
		porgend = &s_vTempBuffer[0]+s_vTempBuffer.size();

		int wordinc = imagecache / 4;
		if( (nQWordSize * 4 + imagecache)/3 == ((nQWordSize+wordinc) * 4) / 3 ) {
			// can use the data
			nQWordSize += wordinc;
		}
	}

	int leftover = m_Blocks[gs.dstbuf.psm].TransferHostLocal(pbyMem, nQWordSize);

	if( leftover > 0 ) {
		// copy the last gs.image24bitOffset to the cache
		s_vTransferCache.resize(leftover);
		memcpy(&s_vTransferCache[0], porgend - leftover, leftover);
	}
	else s_vTransferCache.resize(0);

#if defined(ZEROGS_DEVBUILD) && defined(_DEBUG)
	if( g_bSaveTrans ) {
		tex0Info t;
		t.tbp0 = gs.dstbuf.bp;
		t.tw = gs.imageWnew;
		t.th = gs.imageHnew;
		t.tbw = gs.dstbuf.bw;
		t.psm = gs.dstbuf.psm;
		SaveTex(&t, 0);
	}
#endif
}

// left/right, top/down
//void TransferHostLocal(const void* pbyMem, u32 nQWordSize)
//{
//  assert( gs.imageTransfer == 0 );
//  u8* pstart = g_pbyGSMemory + gs.dstbuf.bp*256;
//  
//  const u8* pendbuf = (const u8*)pbyMem + nQWordSize*4;
//  int i = gs.imageY, j = gs.imageX;
//
//#define DSTPSM gs.dstbuf.psm
//
//#define TRANSFERHOSTLOCAL(psm, T, widthlimit) { \
//  const T* pbuf = (const T*)pbyMem; \
//  u32 nSize = nQWordSize*(4/sizeof(T)); \
//  assert( (nSize%widthlimit) == 0 && widthlimit <= 4 ); \
//  if( ((gs.imageEndX-gs.trxpos.dx)%widthlimit) ) ERROR_LOG("Bad Transmission! %d %d, psm: %d\n", gs.trxpos.dx, gs.imageEndX, DSTPSM); \
//  for(; i < gs.imageEndY; ++i) { \
//	  for(; j < gs.imageEndX && nSize > 0; j += widthlimit, nSize -= widthlimit, pbuf += widthlimit) { \
//		  /* write as many pixel at one time as possible */ \
//		  writePixel##psm##_0(pstart, j%2048, i%2048, pbuf[0], gs.dstbuf.bw); \
//		  \
//		  if( widthlimit > 1 ) { \
//			  writePixel##psm##_0(pstart, (j+1)%2048, i%2048, pbuf[1], gs.dstbuf.bw); \
//			  \
//			  if( widthlimit > 2 ) { \
//				  writePixel##psm##_0(pstart, (j+2)%2048, i%2048, pbuf[2], gs.dstbuf.bw); \
//				  \
//				  if( widthlimit > 3 ) { \
//					  writePixel##psm##_0(pstart, (j+3)%2048, i%2048, pbuf[3], gs.dstbuf.bw); \
//				  } \
//			  } \
//		  } \
//	  } \
//	  \
//	  if( j >= gs.imageEndX ) { assert(j == gs.imageEndX); j = gs.trxpos.dx; } \
//	  else { assert( nSize == 0 ); goto End; } \
//  } \
//} \
//
//#define TRANSFERHOSTLOCAL_4(psm) { \
//  const u8* pbuf = (const u8*)pbyMem; \
//  u32 nSize = nQWordSize*8; \
//  for(; i < gs.imageEndY; ++i) { \
//	  for(; j < gs.imageEndX && nSize > 0; j += 8, nSize -= 8) { \
//		  /* write as many pixel at one time as possible */ \
//		  writePixel##psm##_0(pstart, j%2048, i%2048, *pbuf&0x0f, gs.dstbuf.bw); \
//		  writePixel##psm##_0(pstart, (j+1)%2048, i%2048, *pbuf>>4, gs.dstbuf.bw); \
//		  pbuf++; \
//		  writePixel##psm##_0(pstart, (j+2)%2048, i%2048, *pbuf&0x0f, gs.dstbuf.bw); \
//		  writePixel##psm##_0(pstart, (j+3)%2048, i%2048, *pbuf>>4, gs.dstbuf.bw); \
//		  pbuf++; \
//		  writePixel##psm##_0(pstart, (j+4)%2048, i%2048, *pbuf&0x0f, gs.dstbuf.bw); \
//		  writePixel##psm##_0(pstart, (j+5)%2048, i%2048, *pbuf>>4, gs.dstbuf.bw); \
//		  pbuf++; \
//		  writePixel##psm##_0(pstart, (j+6)%2048, i%2048, *pbuf&0x0f, gs.dstbuf.bw); \
//		  writePixel##psm##_0(pstart, (j+7)%2048, i%2048, *pbuf>>4, gs.dstbuf.bw); \
//		  pbuf++; \
//	  } \
//	  \
//	  if( j >= gs.imageEndX ) { /*assert(j == gs.imageEndX);*/ j = gs.trxpos.dx; } \
//	  else { assert( nSize == 0 ); goto End; } \
//  } \
//} \
//
//  switch (gs.dstbuf.psm) {
//	  case 0x0:  TRANSFERHOSTLOCAL(32, u32, 2); break;
//	  case 0x1:  TRANSFERHOSTLOCAL(24, u32, 4); break;
//	  case 0x2:  TRANSFERHOSTLOCAL(16, u16, 4); break;
//	  case 0xA:  TRANSFERHOSTLOCAL(16S, u16, 4); break;
//	  case 0x13:
//		  if( ((gs.imageEndX-gs.trxpos.dx)%4) ) {
//			  TRANSFERHOSTLOCAL(8, u8, 1);
//		  }
//		  else {
//			  TRANSFERHOSTLOCAL(8, u8, 4);
//		  }
//		  break;
//
//	  case 0x14:
////			if( (gs.imageEndX-gs.trxpos.dx)%8 ) {
////				// hack
////				if( abs((int)nQWordSize*8 - (gs.imageEndY-i)*(gs.imageEndX-gs.trxpos.dx)+(j-gs.trxpos.dx)) <= 8 ) {
////					// don't transfer
////					ERROR_LOG("bad texture 4: %d %d %d\n", gs.trxpos.dx, gs.imageEndX, nQWordSize);
////					gs.imageEndX = gs.trxpos.dx + (gs.imageEndX-gs.trxpos.dx)&~7;
////					//i = gs.imageEndY;
////					//goto End;
////					gs.imageTransfer = -1;
////				}
////			}
//		  TRANSFERHOSTLOCAL_4(4);
//		  break;
//	  case 0x1B: TRANSFERHOSTLOCAL(8H, u8, 4); break;
//	  case 0x24: TRANSFERHOSTLOCAL_4(4HL); break;
//	  case 0x2C: TRANSFERHOSTLOCAL_4(4HH); break;
//	  case 0x30: TRANSFERHOSTLOCAL(32Z, u32, 2); break;
//	  case 0x31: TRANSFERHOSTLOCAL(24Z, u32, 4); break;
//	  case 0x32: TRANSFERHOSTLOCAL(16Z, u16, 4); break;
//	  case 0x3A: TRANSFERHOSTLOCAL(16SZ, u16, 4); break;
//  }
//
//End:
//  if( i >= gs.imageEndY ) {
//	  assert( i == gs.imageEndY );
//	  gs.imageTransfer = -1;
//
//	  if( g_bSaveTrans ) {
//		  tex0Info t;
//		  t.tbp0 = gs.dstbuf.bp;
//		  t.tw = gs.imageWnew;
//		  t.th = gs.imageHnew;
//		  t.tbw = gs.dstbuf.bw;
//		  t.psm = gs.dstbuf.psm;
//		  SaveTex(&t, 0);
//	  }
//  }
//  else {
//	  /* update new params */
//	  gs.imageY = i;
//	  gs.imageX = j;
//  }
//}

void InitTransferLocalHost()
{
	assert( gs.trxpos.sx+gs.imageWnew <= 2048 && gs.trxpos.sy+gs.imageHnew <= 2048 );

#ifdef ZEROGS_DEVBUILD
	if( gs.trxpos.sx+gs.imageWnew > gs.srcbuf.bw )
		WARN_LOG("Transfer error, width exceeds\n");
#endif

	gs.imageX = gs.trxpos.sx;
	gs.imageY = gs.trxpos.sy;
	gs.imageEndX = gs.imageX + gs.imageWnew;
	gs.imageEndY = gs.imageY + gs.imageHnew;
	s_vTransferCache.resize(0);

	int start, end;
	GetRectMemAddress(start, end, gs.srcbuf.psm, gs.trxpos.sx, gs.trxpos.sy, gs.imageWnew, gs.imageHnew, gs.srcbuf.bp, gs.srcbuf.bw);
	ResolveInRange(start, end);
}

// left/right, top/down
void TransferLocalHost(void* pbyMem, u32 nQWordSize)
{
	assert( gs.imageTransfer == 1 );

	u8* pstart = g_pbyGSMemory + 256*gs.srcbuf.bp;
	int i = gs.imageY, j = gs.imageX;

#define TRANSFERLOCALHOST(psm, T) { \
	T* pbuf = (T*)pbyMem; \
	u32 nSize = nQWordSize*16/sizeof(T); \
	for(; i < gs.imageEndY; ++i) { \
		for(; j < gs.imageEndX && nSize > 0; ++j, --nSize) { \
			*pbuf++ = readPixel##psm##_0(pstart, j%2048, i%2048, gs.srcbuf.bw); \
		} \
		\
		if( j >= gs.imageEndX ) { assert( j == gs.imageEndX); j = gs.trxpos.sx; } \
		else { assert( nSize == 0 ); break; } \
	} \
} \

#define TRANSFERLOCALHOST_24(psm) { \
	u8* pbuf = (u8*)pbyMem; \
	u32 nSize = nQWordSize*16/3; \
	for(; i < gs.imageEndY; ++i) { \
		for(; j < gs.imageEndX && nSize > 0; ++j, --nSize) { \
			u32 p = readPixel##psm##_0(pstart, j%2048, i%2048, gs.srcbuf.bw); \
			pbuf[0] = (u8)p; \
			pbuf[1] = (u8)(p>>8); \
			pbuf[2] = (u8)(p>>16); \
			pbuf += 3; \
		} \
		\
		if( j >= gs.imageEndX ) { assert( j == gs.imageEndX); j = gs.trxpos.sx; } \
		else { assert( nSize == 0 ); break; } \
	} \
} \

	switch (gs.srcbuf.psm) {
		case 0x0:  TRANSFERLOCALHOST(32, u32); break;
		case 0x1:  TRANSFERLOCALHOST_24(24); break;
		case 0x2:  TRANSFERLOCALHOST(16, u16); break;
		case 0xA:  TRANSFERLOCALHOST(16S, u16); break;
		case 0x13: TRANSFERLOCALHOST(8, u8); break;
		case 0x1B: TRANSFERLOCALHOST(8H, u8); break;
		case 0x30: TRANSFERLOCALHOST(32Z, u32); break;
		case 0x31: TRANSFERLOCALHOST_24(24Z); break;
		case 0x32: TRANSFERLOCALHOST(16Z, u16); break;
		case 0x3A: TRANSFERLOCALHOST(16SZ, u16); break;
		default: assert(0);
	}

	gs.imageY = i;
	gs.imageX = j;

	if( gs.imageY >= gs.imageEndY ) {
		assert( gs.imageY == gs.imageEndY );
		gs.imageTransfer = -1;
	}
}

// dir depends on trxpos.dir 
void TransferLocalLocal()
{
	assert( gs.imageTransfer == 2 );
	assert( gs.trxpos.sx+gs.imageWnew < 2048 && gs.trxpos.sy+gs.imageHnew < 2048 );
	assert( gs.trxpos.dx+gs.imageWnew < 2048 && gs.trxpos.dy+gs.imageHnew < 2048 );
	assert( (gs.srcbuf.psm&0x7) == (gs.dstbuf.psm&0x7) );
	if( gs.trxpos.sx+gs.imageWnew > gs.srcbuf.bw )
		WARN_LOG("Transfer error, src width exceeds\n");
	if( gs.trxpos.dx+gs.imageWnew > gs.dstbuf.bw )
		WARN_LOG("Transfer error, dst width exceeds\n");

	int srcstart, srcend, dststart, dstend;
	
	GetRectMemAddress(srcstart, srcend, gs.srcbuf.psm, gs.trxpos.sx, gs.trxpos.sy, gs.imageWnew, gs.imageHnew, gs.srcbuf.bp, gs.srcbuf.bw);
	GetRectMemAddress(dststart, dstend, gs.dstbuf.psm, gs.trxpos.dx, gs.trxpos.dy, gs.imageWnew, gs.imageHnew, gs.dstbuf.bp, gs.dstbuf.bw);

	// resolve the targs
	ResolveInRange(srcstart, srcend);

	list<CRenderTarget*> listTargs;
	s_RTs.GetTargs(dststart, dstend, listTargs);
	for(list<CRenderTarget*>::iterator it = listTargs.begin(); it != listTargs.end(); ++it) {
		if( !((*it)->status & CRenderTarget::TS_Virtual) ) {
			(*it)->Resolve();
			(*it)->status |= CRenderTarget::TS_NeedUpdate;
		}
	}

	u8* pSrcBuf = g_pbyGSMemory + gs.srcbuf.bp*256;
	u8* pDstBuf = g_pbyGSMemory + gs.dstbuf.bp*256;

#define TRANSFERLOCALLOCAL(srcpsm, dstpsm, widthlimit) { \
	assert( (gs.imageWnew&widthlimit)==0 && widthlimit <= 4); \
	for(int i = gs.trxpos.sy, i2 = gs.trxpos.dy; i < gs.trxpos.sy+gs.imageHnew; i++, i2++) { \
		for(int j = gs.trxpos.sx, j2 = gs.trxpos.dx; j < gs.trxpos.sx+gs.imageWnew; j+=widthlimit, j2+=widthlimit) { \
			\
			writePixel##dstpsm##_0(pDstBuf, j2%2048, i2%2048, \
				readPixel##srcpsm##_0(pSrcBuf, j%2048, i%2048, gs.srcbuf.bw), gs.dstbuf.bw); \
			\
			if( widthlimit > 1 ) { \
				writePixel##dstpsm##_0(pDstBuf, (j2+1)%2048, i2%2048, \
					readPixel##srcpsm##_0(pSrcBuf, (j+1)%2048, i%2048, gs.srcbuf.bw), gs.dstbuf.bw); \
				\
				if( widthlimit > 2 ) { \
					writePixel##dstpsm##_0(pDstBuf, (j2+2)%2048, i2%2048, \
						readPixel##srcpsm##_0(pSrcBuf, (j+2)%2048, i%2048, gs.srcbuf.bw), gs.dstbuf.bw); \
					\
					if( widthlimit > 3 ) { \
						writePixel##dstpsm##_0(pDstBuf, (j2+3)%2048, i2%2048, \
							readPixel##srcpsm##_0(pSrcBuf, (j+3)%2048, i%2048, gs.srcbuf.bw), gs.dstbuf.bw); \
					} \
				} \
			} \
		} \
	} \
} \

#define TRANSFERLOCALLOCAL_4(srcpsm, dstpsm) { \
	assert( (gs.imageWnew%8) == 0 ); \
	for(int i = gs.trxpos.sy, i2 = gs.trxpos.dy; i < gs.trxpos.sy+gs.imageHnew; ++i, ++i2) { \
		for(int j = gs.trxpos.sx, j2 = gs.trxpos.dx; j < gs.trxpos.sx+gs.imageWnew; j+=8, j2+=8) { \
			/* NOTE: the 2 conseq 4bit values are in NOT in the same byte */ \
			u32 read = getPixelAddress##srcpsm##_0(j%2048, i%2048, gs.srcbuf.bw); \
			u32 write = getPixelAddress##dstpsm##_0(j2%2048, i2%2048, gs.dstbuf.bw); \
			pDstBuf[write] = (pDstBuf[write]&0xf0)|(pSrcBuf[read]&0x0f); \
 \
			read = getPixelAddress##srcpsm##_0((j+1)%2048, i%2048, gs.srcbuf.bw); \
			write = getPixelAddress##dstpsm##_0((j2+1)%2048, i2%2048, gs.dstbuf.bw); \
			pDstBuf[write] = (pDstBuf[write]&0x0f)|(pSrcBuf[read]&0xf0); \
 \
			read = getPixelAddress##srcpsm##_0((j+2)%2048, i%2048, gs.srcbuf.bw); \
			write = getPixelAddress##dstpsm##_0((j2+2)%2048, i2%2048, gs.dstbuf.bw); \
			pDstBuf[write] = (pDstBuf[write]&0xf0)|(pSrcBuf[read]&0x0f); \
 \
			read = getPixelAddress##srcpsm##_0((j+3)%2048, i%2048, gs.srcbuf.bw); \
			write = getPixelAddress##dstpsm##_0((j2+3)%2048, i2%2048, gs.dstbuf.bw); \
			pDstBuf[write] = (pDstBuf[write]&0x0f)|(pSrcBuf[read]&0xf0); \
 \
			read = getPixelAddress##srcpsm##_0((j+2)%2048, i%2048, gs.srcbuf.bw); \
			write = getPixelAddress##dstpsm##_0((j2+2)%2048, i2%2048, gs.dstbuf.bw); \
			pDstBuf[write] = (pDstBuf[write]&0xf0)|(pSrcBuf[read]&0x0f); \
 \
			read = getPixelAddress##srcpsm##_0((j+3)%2048, i%2048, gs.srcbuf.bw); \
			write = getPixelAddress##dstpsm##_0((j2+3)%2048, i2%2048, gs.dstbuf.bw); \
			pDstBuf[write] = (pDstBuf[write]&0x0f)|(pSrcBuf[read]&0xf0); \
 \
			read = getPixelAddress##srcpsm##_0((j+2)%2048, i%2048, gs.srcbuf.bw); \
			write = getPixelAddress##dstpsm##_0((j2+2)%2048, i2%2048, gs.dstbuf.bw); \
			pDstBuf[write] = (pDstBuf[write]&0xf0)|(pSrcBuf[read]&0x0f); \
 \
			read = getPixelAddress##srcpsm##_0((j+3)%2048, i%2048, gs.srcbuf.bw); \
			write = getPixelAddress##dstpsm##_0((j2+3)%2048, i2%2048, gs.dstbuf.bw); \
			pDstBuf[write] = (pDstBuf[write]&0x0f)|(pSrcBuf[read]&0xf0); \
		} \
	} \
} \

	switch (gs.srcbuf.psm) {
		case PSMCT32:
			if( gs.dstbuf.psm == PSMCT32 ) {
				TRANSFERLOCALLOCAL(32, 32, 2);
			}
			else {
				TRANSFERLOCALLOCAL(32, 32Z, 2);
			}
			break;

		case PSMCT24:
			if( gs.dstbuf.psm == PSMCT24 ) {
				TRANSFERLOCALLOCAL(24, 24, 4);
			}
			else {
				TRANSFERLOCALLOCAL(24, 24Z, 4);
			}
			break;

		case PSMCT16:
			switch(gs.dstbuf.psm) {
				case PSMCT16: TRANSFERLOCALLOCAL(16, 16, 4); break;
				case PSMCT16S: TRANSFERLOCALLOCAL(16, 16S, 4); break;
				case PSMT16Z: TRANSFERLOCALLOCAL(16, 16Z, 4); break;
				case PSMT16SZ: TRANSFERLOCALLOCAL(16, 16SZ, 4); break;
			}
			break;

		case PSMCT16S:
			switch(gs.dstbuf.psm) {
				case PSMCT16: TRANSFERLOCALLOCAL(16S, 16, 4); break;
				case PSMCT16S: TRANSFERLOCALLOCAL(16S, 16S, 4); break;
				case PSMT16Z: TRANSFERLOCALLOCAL(16S, 16Z, 4); break;
				case PSMT16SZ: TRANSFERLOCALLOCAL(16S, 16SZ, 4); break;
			}
			break;

		case PSMT8:
			if( gs.dstbuf.psm == PSMT8 ) {
				TRANSFERLOCALLOCAL(8, 8, 4); 
			}
			else {
				TRANSFERLOCALLOCAL(8, 8H, 4); 
			}
			break;

		case PSMT4:
			
			switch(gs.dstbuf.psm ) {
				case PSMT4: TRANSFERLOCALLOCAL_4(4, 4); break;
				case PSMT4HL: TRANSFERLOCALLOCAL_4(4, 4HL); break;
				case PSMT4HH: TRANSFERLOCALLOCAL_4(4, 4HH); break;
			}
			break;

		case PSMT8H:
			if( gs.dstbuf.psm == PSMT8 ) {
				TRANSFERLOCALLOCAL(8H, 8, 4); 
			}
			else {
				TRANSFERLOCALLOCAL(8H, 8H, 4); 
			}
			break;

		case PSMT4HL:
			switch(gs.dstbuf.psm ) {
				case PSMT4: TRANSFERLOCALLOCAL_4(4HL, 4); break;
				case PSMT4HL: TRANSFERLOCALLOCAL_4(4HL, 4HL); break;
				case PSMT4HH: TRANSFERLOCALLOCAL_4(4HL, 4HH); break;
			}
			break;
		case PSMT4HH:
			switch(gs.dstbuf.psm ) {
				case PSMT4: TRANSFERLOCALLOCAL_4(4HH, 4); break;
				case PSMT4HL: TRANSFERLOCALLOCAL_4(4HH, 4HL); break;
				case PSMT4HH: TRANSFERLOCALLOCAL_4(4HH, 4HH); break;
			}
			break;

		case PSMT32Z:
			if( gs.dstbuf.psm == PSMCT32 ) {
				TRANSFERLOCALLOCAL(32Z, 32, 2);
			}
			else {
				TRANSFERLOCALLOCAL(32Z, 32Z, 2);
			}
			break;

		case PSMT24Z:
			if( gs.dstbuf.psm == PSMCT24 ) {
				TRANSFERLOCALLOCAL(24Z, 24, 4);
			}
			else {
				TRANSFERLOCALLOCAL(24Z, 24Z, 4);
			}
			break;

		case PSMT16Z:
			switch(gs.dstbuf.psm) {
				case PSMCT16: TRANSFERLOCALLOCAL(16Z, 16, 4); break;
				case PSMCT16S: TRANSFERLOCALLOCAL(16Z, 16S, 4); break;
				case PSMT16Z: TRANSFERLOCALLOCAL(16Z, 16Z, 4); break;
				case PSMT16SZ: TRANSFERLOCALLOCAL(16Z, 16SZ, 4); break;
			}
			break;

		case PSMT16SZ:
			switch(gs.dstbuf.psm) {
				case PSMCT16: TRANSFERLOCALLOCAL(16SZ, 16, 4); break;
				case PSMCT16S: TRANSFERLOCALLOCAL(16SZ, 16S, 4); break;
				case PSMT16Z: TRANSFERLOCALLOCAL(16SZ, 16Z, 4); break;
				case PSMT16SZ: TRANSFERLOCALLOCAL(16SZ, 16SZ, 4); break;
			}
			break;
	}

	g_MemTargs.ClearRange(dststart, dstend);

#if defined(ZEROGS_DEVBUILD) && defined(_DEBUG)
	if( g_bSaveTrans ) {
		tex0Info t;
		t.tbp0 = gs.dstbuf.bp;
		t.tw = gs.imageWnew;
		t.th = gs.imageHnew;
		t.tbw = gs.dstbuf.bw;
		t.psm = gs.dstbuf.psm;
		SaveTex(&t, 0);

		t.tbp0 = gs.srcbuf.bp;
		t.tw = gs.imageWnew;
		t.th = gs.imageHnew;
		t.tbw = gs.srcbuf.bw;
		t.psm = gs.srcbuf.psm;
		SaveTex(&t, 0);
	}
#endif
}

void GetRectMemAddress(int& start, int& end, int psm, int x, int y, int w, int h, int bp, int bw)
{
	if( m_Blocks[psm].bpp == 0 ) {
		ERROR_LOG("ZeroGS: Bad psm 0x%x\n", psm);
		start = 0;
		end = 0x00400000;
		return;
	}

	if( (psm&0x30) == 0x30 || psm == 0xa ) {

		const BLOCK& b = m_Blocks[psm];

		bw = (bw + b.width -1)/b.width;
		start = bp*256 + ((y/b.height) * bw + (x/b.width) )*0x2000;
		end = bp*256  + (((y+h-1)/b.height) * bw + (x + w + b.width - 1)/b.width)*0x2000;
	}
	else {
		// just take the addresses
		switch(psm) {
			case 0x00:
			case 0x01:
			case 0x1b:
			case 0x24:
			case 0x2c:
				start = 4*getPixelAddress32(x, y, bp, bw);
				end = 4*getPixelAddress32(x+w-1, y+h-1, bp, bw) + 4;
				break;
			case 0x02:
				start = 2*getPixelAddress16(x, y, bp, bw);
				end = 2*getPixelAddress16(x+w-1, y+h-1, bp, bw)+2;
				break;
			case 0x13:
				start = getPixelAddress8(x, y, bp, bw);
				end = getPixelAddress8(x+w-1, y+h-1, bp, bw)+1;
				break;
			case 0x14:
			{
				start = getPixelAddress4(x, y, bp, bw)/2;
				int newx = ((x+w-1+31)&~31)-1;
				int newy = ((y+h-1+15)&~15)-1;
				end = (getPixelAddress4(max(newx,x), max(newy,y), bp, bw)+2)/2;
				break;
			}
		}
	}
}

void _Resolve(const void* psrc, int fbp, int fbw, int fbh, int psm, u32 fbm)
{
	//assert( glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) == GL_FRAMEBUFFER_COMPLETE_EXT );
	s_nResolved += 2;

	// align the rect to the nearest page
	// note that fbp is always aligned on page boundaries
	int start, end;
	GetRectMemAddress(start, end, psm, 0, 0, fbw, fbh, fbp, fbw);

	PRIM_LOG("resolve: %x %x %x (%x-%x)\n", fbp, fbw, fbh, start, end);

	int i, j;
	short smask1 = gs.smask&1;
	short smask2 = gs.smask&2;
	u32 mask, imask;

	if( psm&2 ) { // 16 bit
		// mask is shifted
		imask = RGBA32to16(fbm);
		mask = (~imask)&0xffff;
	}
	else {
		mask = ~fbm;
		imask = fbm;

		if( (psm&0xf)>0 ) {
			// preserve the alpha?
			mask &= 0x00ffffff;
			imask |= 0xff000000;
		}
	}
   int Pitch;
	
#define RESOLVE_32BIT(psm, T, Tsrc, blockbits, blockwidth, blockheight, convfn, frame, aax, aay) \
	{ \
		Tsrc* src = (Tsrc*)psrc; \
		T* pPageOffset = (T*)g_pbyGSMemory + fbp*(256/sizeof(T)), *dst; \
		int srcpitch = Pitch * blockheight/sizeof(Tsrc); \
		int maxfbh = (0x00400000-fbp*256) / (sizeof(T) * fbw); \
		if( maxfbh > fbh ) maxfbh = fbh; \
		for(i = 0; i < (maxfbh&~(blockheight-1)); i += blockheight) { \
			/*if( smask2 && (i&1) == smask1 ) continue; */ \
			for(j = 0; j < fbw; j += blockwidth) { \
				/* have to write in the tiled format*/ \
				frame##SwizzleBlock##blockbits(pPageOffset + getPixelAddress##psm##_0(j, i, fbw), \
					src+(j<<aax), Pitch/sizeof(Tsrc), mask); \
			} \
			src += (srcpitch<<aay); \
		} \
		for(; i < maxfbh; ++i) { \
			for(j = 0; j < fbw; ++j) { \
				T dsrc = convfn(src[j<<aax]); \
				dst = pPageOffset + getPixelAddress##psm##_0(j, i, fbw); \
				*dst = (dsrc & mask) | (*dst & imask); \
			} \
			src += (Pitch<<aay)/sizeof(Tsrc); \
		} \
	} \

	if( 1||GetRenderFormat() == RFT_byte8 ) {

		Pitch = fbw * 4;

		// start the conversion process A8R8G8B8 -> psm
		switch(psm) {
			case PSMCT32:
			case PSMCT24:
				if( s_AAy ) {
					RESOLVE_32BIT(32, u32, u32, 32A4, 8, 8, (u32), Frame, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(32, u32, u32, 32A2, 8, 8, (u32), Frame, 1, 0);
				}
				else {
					RESOLVE_32BIT(32, u32, u32, 32, 8, 8, (u32), Frame, 0, 0);
				}
				break;
			case PSMCT16:
				if( s_AAy ) {
					RESOLVE_32BIT(16, u16, u32, 16A4, 16, 8, RGBA32to16, Frame, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(16, u16, u32, 16A2, 16, 8, RGBA32to16, Frame, 1, 0);
				}
				else {
					RESOLVE_32BIT(16, u16, u32, 16, 16, 8, RGBA32to16, Frame, 0, 0);
				}

				break;
			case PSMCT16S:
				if( s_AAy ) {
					RESOLVE_32BIT(16S, u16, u32, 16A4, 16, 8, RGBA32to16, Frame, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(16S, u16, u32, 16A2, 16, 8, RGBA32to16, Frame, 1, 0);
				}
				else {
					RESOLVE_32BIT(16S, u16, u32, 16, 16, 8, RGBA32to16, Frame, 0, 0);
				}
				
				break;
			case PSMT32Z:
			case PSMT24Z:
				if( s_AAy ) {
					RESOLVE_32BIT(32Z, u32, u32, 32A4, 8, 8, (u32), Frame, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(32Z, u32, u32, 32A2, 8, 8, (u32), Frame, 1, 0);
				}
				else {
					RESOLVE_32BIT(32Z, u32, u32, 32, 8, 8, (u32), Frame, 0, 0);
				}
				
				break;
			case PSMT16Z:
				if( s_AAy ) {
					RESOLVE_32BIT(16Z, u16, u32, 16A4, 16, 8, (u16), Frame, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(16Z, u16, u32, 16A2, 16, 8, (u16), Frame, 1, 0);
				}
				else {
					RESOLVE_32BIT(16Z, u16, u32, 16, 16, 8, (u16), Frame, 0, 0);
				}
				
				break;
			case PSMT16SZ:
				if( s_AAy ) {
					RESOLVE_32BIT(16SZ, u16, u32, 16A4, 16, 8, (u16), Frame, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(16SZ, u16, u32, 16A2, 16, 8, (u16), Frame, 1, 0);
				}
				else {
					RESOLVE_32BIT(16SZ, u16, u32, 16, 16, 8, (u16), Frame, 0, 0);
				}
				
				break;
		}
	}
	else { // float16

		Pitch = fbw * 8;

		switch(psm) {
			case PSMCT32:
			case PSMCT24:
				if( s_AAy ) {
					RESOLVE_32BIT(32, u32, Vector_16F, 32A4, 8, 8, Float16ToARGB, Frame16, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(32, u32, Vector_16F, 32A2, 8, 8, Float16ToARGB, Frame16, 1, 0);
				}
				else {
					RESOLVE_32BIT(32, u32, Vector_16F, 32, 8, 8, Float16ToARGB, Frame16, 0, 0);
				}
				
				break;
			case PSMCT16:
				if( s_AAy ) {
					RESOLVE_32BIT(16, u16, Vector_16F, 16A4, 16, 8, Float16ToARGB16, Frame16, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(16, u16, Vector_16F, 16A2, 16, 8, Float16ToARGB16, Frame16, 1, 0);
				}
				else {
					RESOLVE_32BIT(16, u16, Vector_16F, 16, 16, 8, Float16ToARGB16, Frame16, 0, 0);
				}
				
				break;
			case PSMCT16S:
				if( s_AAy ) {
					RESOLVE_32BIT(16S, u16, Vector_16F, 16A4, 16, 8, Float16ToARGB16, Frame16, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(16S, u16, Vector_16F, 16A2, 16, 8, Float16ToARGB16, Frame16, 1, 0);
				}
				else {
					RESOLVE_32BIT(16S, u16, Vector_16F, 16, 16, 8, Float16ToARGB16, Frame16, 0, 0);
				}
				
				break;
			case PSMT32Z:
			case PSMT24Z:
				if( s_AAy ) {
					RESOLVE_32BIT(32Z, u32, Vector_16F, 32ZA4, 8, 8, Float16ToARGB_Z, Frame16, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(32Z, u32, Vector_16F, 32ZA2, 8, 8, Float16ToARGB_Z, Frame16, 1, 0);
				}
				else {
					RESOLVE_32BIT(32Z, u32, Vector_16F, 32Z, 8, 8, Float16ToARGB_Z, Frame16, 0, 0);
				}
				
				break;
			case PSMT16Z:
				if( s_AAy ) {
					RESOLVE_32BIT(16Z, u16, Vector_16F, 16ZA4, 16, 8, Float16ToARGB16_Z, Frame16, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(16Z, u16, Vector_16F, 16ZA2, 16, 8, Float16ToARGB16_Z, Frame16, 1, 0);
				}
				else {
					RESOLVE_32BIT(16Z, u16, Vector_16F, 16Z, 16, 8, Float16ToARGB16_Z, Frame16, 0, 0);
				}
				
				break;
			case PSMT16SZ:
				if( s_AAy ) {
					RESOLVE_32BIT(16SZ, u16, Vector_16F, 16ZA4, 16, 8, Float16ToARGB16_Z, Frame16, 1, 1);
				}
				else if( s_AAx ) {
					RESOLVE_32BIT(16SZ, u16, Vector_16F, 16ZA2, 16, 8, Float16ToARGB16_Z, Frame16, 1, 0);
				}
				else {
					RESOLVE_32BIT(16SZ, u16, Vector_16F, 16Z, 16, 8, Float16ToARGB16_Z, Frame16, 0, 0);
				}
				
				break;
		}
	}

	g_MemTargs.ClearRange(start, end);
	INC_RESOLVE();
}

////////////
// Saving //
////////////
void SaveTex(tex0Info* ptex, int usevid)
{
	vector<u32> data(ptex->tw*ptex->th);
	vector<u8> srcdata;
	
	u32* dst = &data[0];
	u8* psrc = g_pbyGSMemory;

	CMemoryTarget* pmemtarg = NULL;

	if( usevid ) {

		pmemtarg = g_MemTargs.GetMemoryTarget(*ptex, 0);
		assert( pmemtarg != NULL );
		
		glBindTexture(GL_TEXTURE_RECTANGLE_NV, pmemtarg->ptex->tex);
		srcdata.resize(pmemtarg->realheight*GPU_TEXWIDTH*pmemtarg->widthmult*4*8); // max of 8 cannels

		glGetTexImage(GL_TEXTURE_RECTANGLE_NV, 0, GL_RGBA, pmemtarg->fmt, &srcdata[0]);

		u32 offset = pmemtarg->realy * 4 * GPU_TEXWIDTH;
		if( ptex->psm == PSMT8 ) offset *= ptex->cpsm <= 1 ? 4 : 2;
		else if( ptex->psm == PSMT4 ) offset *= ptex->cpsm <= 1 ? 8 : 4;

		psrc = &srcdata[0] - offset;
	}

	for(int i = 0; i < ptex->th; ++i) {
		for(int j = 0; j < ptex->tw; ++j) {
			u32 u, addr;
			switch(ptex->psm) {
				case PSMCT32:
					addr = getPixelAddress32(j, i, ptex->tbp0, ptex->tbw);

					if( addr*4 < 0x00400000 )
						u = readPixel32(psrc, j, i, ptex->tbp0, ptex->tbw);
					else u = 0;

					break;
				case PSMCT24:
					addr = getPixelAddress24(j, i, ptex->tbp0, ptex->tbw);

					if( addr*4 < 0x00400000 )
						u = readPixel24(psrc, j, i, ptex->tbp0, ptex->tbw);
					else u = 0;

					break;
				case PSMCT16:
					addr = getPixelAddress16(j, i, ptex->tbp0, ptex->tbw);

					if( addr*2 < 0x00400000 ) {
						u = readPixel16(psrc, j, i, ptex->tbp0, ptex->tbw);
						u = RGBA16to32(u);
					}
					else u = 0;
					
					break;
				case PSMCT16S:
					addr = getPixelAddress16(j, i, ptex->tbp0, ptex->tbw);

					if( addr*2 < 0x00400000 ) {
						u = readPixel16S(psrc, j, i, ptex->tbp0, ptex->tbw);
						u = RGBA16to32(u);
					}
					else u = 0;
					break;

				case PSMT8:
					addr = getPixelAddress8(j, i, ptex->tbp0, ptex->tbw);

					if( addr < 0x00400000 ) {
						if( usevid ) {
							if( ptex->cpsm <= 1 ) u = *(u32*)(psrc+4*addr);
							else u = RGBA16to32(*(u16*)(psrc+2*addr));
						}
						else
							u = readPixel8(psrc, j, i, ptex->tbp0, ptex->tbw);
					}
					else u = 0;
					break;

				case PSMT4:
					addr = getPixelAddress4(j, i, ptex->tbp0, ptex->tbw);

					if( addr < 2*0x00400000 ) {
						if( usevid ) {
							if( ptex->cpsm <= 1 ) u = *(u32*)(psrc+4*addr);
							else u = RGBA16to32(*(u16*)(psrc+2*addr));
						}
						else
							u = readPixel4(psrc, j, i, ptex->tbp0, ptex->tbw);
					}
					else u = 0;
					break;

				case PSMT8H:
					addr = getPixelAddress8H(j, i, ptex->tbp0, ptex->tbw);

					if( 4*addr < 0x00400000 ) {
						if( usevid ) {
							if( ptex->cpsm <= 1 ) u = *(u32*)(psrc+4*addr);
							else u = RGBA16to32(*(u16*)(psrc+2*addr));
						}
						else
							u = readPixel8H(psrc, j, i, ptex->tbp0, ptex->tbw);
					}
					else u = 0;

					break;

				case PSMT4HL:
					addr = getPixelAddress4HL(j, i, ptex->tbp0, ptex->tbw);

					if( 4*addr < 0x00400000 ) {
						if( usevid ) {
							if( ptex->cpsm <= 1 ) u = *(u32*)(psrc+4*addr);
							else u = RGBA16to32(*(u16*)(psrc+2*addr));
						}
						else
							u = readPixel4HL(psrc, j, i, ptex->tbp0, ptex->tbw);
					}
					else u = 0;
					break;

				case PSMT4HH:
					addr = getPixelAddress4HH(j, i, ptex->tbp0, ptex->tbw);

					if( 4*addr < 0x00400000 ) {
						if( usevid ) {
							if( ptex->cpsm <= 1 ) u = *(u32*)(psrc+4*addr);
							else u = RGBA16to32(*(u16*)(psrc+2*addr));
						}
						else
							u = readPixel4HH(psrc, j, i, ptex->tbp0, ptex->tbw);
					}
					else u = 0;
					break;

				case PSMT32Z:
					addr = getPixelAddress32Z(j, i, ptex->tbp0, ptex->tbw);

					if( 4*addr < 0x00400000 )
						u = readPixel32Z(psrc, j, i, ptex->tbp0, ptex->tbw);
					else u = 0;
					break;

				case PSMT24Z:
					addr = getPixelAddress24Z(j, i, ptex->tbp0, ptex->tbw);

					if( 4*addr < 0x00400000 )
						u = readPixel24Z(psrc, j, i, ptex->tbp0, ptex->tbw);
					else u = 0;
					break;

				case PSMT16Z:
					addr = getPixelAddress16Z(j, i, ptex->tbp0, ptex->tbw);

					if( 2*addr < 0x00400000 )
						u = readPixel16Z(psrc, j, i, ptex->tbp0, ptex->tbw);
					else u = 0;
					break;

				case PSMT16SZ:
					addr = getPixelAddress16SZ(j, i, ptex->tbp0, ptex->tbw);

					if( 2*addr < 0x00400000 )
						u = readPixel16SZ(psrc, j, i, ptex->tbp0, ptex->tbw);
					else u = 0;
					break;

				default:
					assert(0);
			}

			*dst++ = u;
		}
	}

	SaveTGA("tex.tga", ptex->tw, ptex->th, &data[0]);
}

}