bool PrepareTriangle(uint32_t dwV0, uint32_t dwV1, uint32_t dwV2)
{
SP_Timing(SP_Each_Triangle);
bool textureFlag = (CRender::g_pRender->IsTextureEnabled() || gRSP.ucode == 6 );
InitVertex(dwV0, gRSP.numVertices, textureFlag);
InitVertex(dwV1, gRSP.numVertices+1, textureFlag);
InitVertex(dwV2, gRSP.numVertices+2, textureFlag);
if(gRSP.numVertices == 0 && g_curRomInfo.bEnableTxtLOD && gRDP.otherMode.text_lod)
{
if( CRender::g_pRender->IsTexel1Enable() && CRender::g_pRender->m_pColorCombiner->m_pDecodedMux->IsUsed(MUX_LODFRAC, MUX_MASK) )
{
ComputeLOD();
}
else
{
gRDP.LODFrac = 0;
}
}
gRSP.numVertices += 3;
status.dwNumTrisRendered++;
return true;
}
// Yoshi's Story uses this - 0x02
void RSP_S2DEX_BG_COPY(Gfx *gfx)
{
SP_Timing(DP_Minimal16);
DP_Timing(DP_Minimal16);
uint32 dwAddr = RSPSegmentAddr((gfx->words.w1));
uObjBg *sbgPtr = (uObjBg*)(g_pRDRAMu8+dwAddr);
CRender::g_pRender->LoadObjBGCopy(*sbgPtr);
CRender::g_pRender->DrawObjBGCopy(*sbgPtr);
}
void ProcessVertexDataNoSSE(uint32_t dwAddr, uint32_t dwV0, uint32_t dwNum)
{
UpdateCombinedMatrix();
// This function is called upon SPvertex
// - do vertex matrix transform
// - do vertex lighting
// - do texture coordinate transform if needed
// - calculate normal vector
// Output: - g_vecProjected[i] -> transformed vertex x,y,z
// - g_vecProjected[i].w -> saved vertex 1/w
// - g_dwVtxFlags[i] -> flags
// - g_dwVtxDifColor[i] -> vertex color
// - g_fVtxTxtCoords[i] -> vertex texture coordinates
uint8_t *rdram_u8 = (uint8_t*)gfx_info.RDRAM;
FiddledVtx * pVtxBase = (FiddledVtx*)(rdram_u8 + dwAddr);
g_pVtxBase = pVtxBase;
for (uint32_t i = dwV0; i < dwV0 + dwNum; i++)
{
SP_Timing(RSP_GBI0_Vtx);
FiddledVtx & vert = pVtxBase[i - dwV0];
g_vtxNonTransformed[i].x = (float)vert.x;
g_vtxNonTransformed[i].y = (float)vert.y;
g_vtxNonTransformed[i].z = (float)vert.z;
Vec3Transform(&g_vtxTransformed[i], (XVECTOR3*)&g_vtxNonTransformed[i], &gRSPworldProject); // Convert to w=1
g_vecProjected[i].w = 1.0f / g_vtxTransformed[i].w;
g_vecProjected[i].x = g_vtxTransformed[i].x * g_vecProjected[i].w;
g_vecProjected[i].y = g_vtxTransformed[i].y * g_vecProjected[i].w;
if ((g_curRomInfo.bPrimaryDepthHack || options.enableHackForGames == HACK_FOR_NASCAR ) && gRDP.otherMode.depth_source )
{
g_vecProjected[i].z = gRDP.fPrimitiveDepth;
g_vtxTransformed[i].z = gRDP.fPrimitiveDepth*g_vtxTransformed[i].w;
}
else
{
g_vecProjected[i].z = g_vtxTransformed[i].z * g_vecProjected[i].w;
}
if( gRSP.bFogEnabled )
{
g_fFogCoord[i] = g_vecProjected[i].z;
if( g_vecProjected[i].w < 0 || g_vecProjected[i].z < 0 || g_fFogCoord[i] < gRSPfFogMin )
g_fFogCoord[i] = gRSPfFogMin;
}
RSP_Vtx_Clipping(i);
if( gRSP.bLightingEnable )
{
g_normal.x = (float)vert.norma.nx;
g_normal.y = (float)vert.norma.ny;
g_normal.z = (float)vert.norma.nz;
Vec3TransformNormal(g_normal, gRSPmodelViewTop);
g_dwVtxDifColor[i] = LightVert(g_normal, i);
*(((uint8_t*)&(g_dwVtxDifColor[i]))+3) = vert.rgba.a; // still use alpha from the vertex
}
else
{
if( (gRDP.geometryMode & G_SHADE) == 0 && gRSP.ucode < 5 ) //Shade is disabled
{
//FLAT shade
g_dwVtxDifColor[i] = gRDP.primitiveColor;
}
else
{
register IColor &color = *(IColor*)&g_dwVtxDifColor[i];
color.b = vert.rgba.r;
color.g = vert.rgba.g;
color.r = vert.rgba.b;
color.a = vert.rgba.a;
}
}
if( options.bWinFrameMode )
{
g_dwVtxDifColor[i] = COLOR_RGBA(vert.rgba.r, vert.rgba.g, vert.rgba.b, vert.rgba.a);
}
ReplaceAlphaWithFogFactor(i);
// Update texture coords n.b. need to divide tu/tv by bogus scale on addition to buffer
// If the vertex is already lit, then there is no normal (and hence we
// can't generate tex coord)
if (gRSP.bTextureGen && gRSP.bLightingEnable )
{
TexGen(g_fVtxTxtCoords[i].x, g_fVtxTxtCoords[i].y);
}
else
{
g_fVtxTxtCoords[i].x = (float)vert.tu;
g_fVtxTxtCoords[i].y = (float)vert.tv;
}
}
}
