pcsx2/plugins/GSdx/GSRendererDX9.cpp

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/*
* Copyright (C) 2007-2009 Gabest
* http://www.gabest.org
*
* 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, 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "stdafx.h"
#include "GSRendererDX9.h"
#include "GSCrc.h"
#include "resource.h"
GSRendererDX9::GSRendererDX9()
: GSRendererDX(new GSTextureCache9(this))
{
}
bool GSRendererDX9::CreateDevice(GSDevice* dev)
{
if(!__super::CreateDevice(dev))
return false;
//
memset(&m_fba.dss, 0, sizeof(m_fba.dss));
m_fba.dss.StencilEnable = true;
m_fba.dss.StencilReadMask = 2;
m_fba.dss.StencilWriteMask = 2;
m_fba.dss.StencilFunc = D3DCMP_EQUAL;
m_fba.dss.StencilPassOp = D3DSTENCILOP_ZERO;
m_fba.dss.StencilFailOp = D3DSTENCILOP_ZERO;
m_fba.dss.StencilDepthFailOp = D3DSTENCILOP_ZERO;
m_fba.dss.StencilRef = 2;
memset(&m_fba.bs, 0, sizeof(m_fba.bs));
m_fba.bs.RenderTargetWriteMask = D3DCOLORWRITEENABLE_ALPHA;
//
return true;
}
void GSRendererDX9::SetupIA()
{
D3DPRIMITIVETYPE topology;
switch(m_vt.m_primclass)
{
case GS_POINT_CLASS:
topology = D3DPT_POINTLIST;
break;
case GS_LINE_CLASS:
topology = D3DPT_LINELIST;
if(PRIM->IIP == 0)
{
for(size_t i = 0, j = m_index.tail; i < j; i += 2)
{
uint32 tmp = m_index.buff[i + 0];
m_index.buff[i + 0] = m_index.buff[i + 1];
m_index.buff[i + 1] = tmp;
}
}
break;
case GS_TRIANGLE_CLASS:
topology = D3DPT_TRIANGLELIST;
if(PRIM->IIP == 0)
{
for(size_t i = 0, j = m_index.tail; i < j; i += 3)
{
uint32 tmp = m_index.buff[i + 0];
m_index.buff[i + 0] = m_index.buff[i + 2];
m_index.buff[i + 2] = tmp;
}
}
break;
case GS_SPRITE_CLASS:
topology = D3DPT_TRIANGLELIST;
// each sprite converted to quad needs twice the space
while(m_vertex.tail * 2 > m_vertex.maxcount)
{
GrowVertexBuffer();
}
// assume vertices are tightly packed and sequentially indexed (it should be the case)
if(m_vertex.next >= 2)
{
size_t count = m_vertex.next;
int i = (int)count * 2 - 4;
GSVertex* s = &m_vertex.buff[count - 2];
GSVertex* q = &m_vertex.buff[count * 2 - 4];
uint32* RESTRICT index = &m_index.buff[count * 3 - 6];
for(; i >= 0; i -= 4, s -= 2, q -= 4, index -= 6)
{
GSVertex v0 = s[0];
GSVertex v1 = s[1];
v0.RGBAQ = v1.RGBAQ;
v0.XYZ.Z = v1.XYZ.Z;
v0.FOG = v1.FOG;
q[0] = v0;
q[3] = v1;
// swap x, s, u
uint16 x = v0.XYZ.X;
v0.XYZ.X = v1.XYZ.X;
v1.XYZ.X = x;
float s = v0.ST.S;
v0.ST.S = v1.ST.S;
v1.ST.S = s;
uint16 u = v0.U;
v0.U = v1.U;
v1.U = u;
q[1] = v0;
q[2] = v1;
index[0] = i + 0;
index[1] = i + 1;
index[2] = i + 2;
index[3] = i + 1;
index[4] = i + 2;
index[5] = i + 3;
}
m_vertex.head = m_vertex.tail = m_vertex.next = count * 2;
m_index.tail = count * 3;
}
break;
default:
__assume(0);
}
GSDevice9* dev = (GSDevice9*)m_dev;
(*dev)->SetRenderState(D3DRS_SHADEMODE, PRIM->IIP ? D3DSHADE_GOURAUD : D3DSHADE_FLAT); // TODO
void* ptr = NULL;
if(dev->IAMapVertexBuffer(&ptr, sizeof(GSVertexHW9), m_vertex.next))
{
GSVertex* RESTRICT s = (GSVertex*)m_vertex.buff;
GSVertexHW9* RESTRICT d = (GSVertexHW9*)ptr;
for(int i = 0; i < m_vertex.next; i++, s++, d++)
{
GSVector4 p = GSVector4(GSVector4i::load(s->XYZ.u32[0]).upl16());
if(PRIM->TME && !PRIM->FST)
{
p = p.xyxy(GSVector4((float)s->XYZ.Z, s->RGBAQ.Q));
}
else
{
p = p.xyxy(GSVector4::load((float)s->XYZ.Z));
}
GSVector4 t = GSVector4::zero();
if(PRIM->TME)
{
if(PRIM->FST)
{
t = GSVector4(GSVector4i::load(s->UV).upl16());
}
else
{
t = GSVector4::loadl(&s->ST);
}
}
t = t.xyxy(GSVector4::cast(GSVector4i(s->RGBAQ.u32[0], s->FOG)));
d->p = p;
d->t = t;
}
dev->IAUnmapVertexBuffer();
}
dev->IASetIndexBuffer(m_index.buff, m_index.tail);
dev->IASetPrimitiveTopology(topology);
}
void GSRendererDX9::UpdateFBA(GSTexture* rt)
{
GSDevice9* dev = (GSDevice9*)m_dev;
dev->BeginScene();
// om
dev->OMSetDepthStencilState(&m_fba.dss);
dev->OMSetBlendState(&m_fba.bs, 0);
// ia
GSVector4 s = GSVector4(rt->GetScale().x / rt->GetWidth(), rt->GetScale().y / rt->GetHeight());
GSVector4 o = GSVector4(-1.0f, 1.0f);
GSVector4 src = ((m_vt.m_min.p.xyxy(m_vt.m_max.p) + o.xxyy()) * s.xyxy()).sat(o.zzyy());
GSVector4 dst = src * 2.0f + o.xxxx();
GSVertexPT1 vertices[] =
{
{GSVector4(dst.x, -dst.y, 0.5f, 1.0f), GSVector2(0, 0)},
{GSVector4(dst.z, -dst.y, 0.5f, 1.0f), GSVector2(0, 0)},
{GSVector4(dst.x, -dst.w, 0.5f, 1.0f), GSVector2(0, 0)},
{GSVector4(dst.z, -dst.w, 0.5f, 1.0f), GSVector2(0, 0)},
};
dev->IASetVertexBuffer(vertices, sizeof(vertices[0]), countof(vertices));
dev->IASetInputLayout(dev->m_convert.il);
dev->IASetPrimitiveTopology(D3DPT_TRIANGLESTRIP);
// vs
dev->VSSetShader(dev->m_convert.vs, NULL, 0);
// ps
dev->PSSetShader(dev->m_convert.ps[4], NULL, 0);
//
dev->DrawPrimitive();
//
dev->EndScene();
}