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Initial steps towards fog emulation in DX9 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@585 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
XTra.KrazzY 2008-09-20 14:29:30 +00:00
parent 558f453dde
commit a5488ccf58
2 changed files with 52 additions and 7 deletions
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58
Source/Plugins/Plugin_VideoDX9/Src/BPStructs.cpp
View File

@ -31,6 +31,8 @@
bool textureChanged[8];
const bool renderFog = false;
// State translation lookup tables
const D3DBLEND d3dSrcFactors[8] =
{
@ -328,22 +330,64 @@ void BPWritten(int addr, int changes, int newval)
case BPMEM_FOGPARAM3:
//fog settings
{
if(changes) {
static bool bFog = false;
CVertexHandler::Flush();
((u32*)&bpmem)[addr] = newval;
if(!renderFog)
break;
/// u32 fogCTemp = bpmem.fog.c_proj_fsel.cShifted12 << 12;
// float fogC = *(float*)(&fogCTemp);
CVertexHandler::Flush();
((u32*)&bpmem)[addr] = newval;
if(bpmem.fog.c_proj_fsel.fsel > 0 && !bFog) {
Renderer::SetRenderState(D3DRS_FOGENABLE, true);
bFog = true;
}
//printf("%f %f magnitude: %x\n", bpmem.fog.a.GetA(),bpmem.fog.c_proj_fsel.GetC(), bpmem.fog.b_magnitude);
switch(bpmem.fog.c_proj_fsel.fsel)
{
case 0: // Off
if(bFog) {
Renderer::SetRenderState(D3DRS_FOGENABLE, false);
bFog = false;
}
break;
case 2: // Linear
Renderer::SetRenderState(D3DRS_FOGVERTEXMODE, D3DFOG_LINEAR);
break;
case 4: // exp
Renderer::SetRenderState(D3DRS_FOGVERTEXMODE, D3DFOG_EXP);
break;
case 5: // exp2
Renderer::SetRenderState(D3DRS_FOGVERTEXMODE, D3DFOG_EXP2);
break;
case 6: // Backward exp
case 7: // Backward exp2
PanicAlert("Backward Exponential Fog Detected");
// TODO: Figure out how to do these in any rendering API
//TEV_FSEL_BX, TEV_FSEL_BX2?
default:
PanicAlert("Non-Emulated Fog selection %d\n", bpmem.fog.c_proj_fsel.fsel);
break;
}
}
break;
case BPMEM_FOGCOLOR:
if (changes)
{
if(changes) {
CVertexHandler::Flush();
((u32*)&bpmem)[addr] = newval;
if(!renderFog)
break;
// dev->SetRenderState(D3DRS_FOGCOLOR,bpmem.fog.color);
Renderer::SetRenderState( D3DRS_FOGCOLOR, bpmem.fog.color );
int fogcolor[3] = { ((bpmem.fog.color>>16)&0xff), ((bpmem.fog.color>>8)&0xff), (bpmem.fog.color&0xff)};
//D3DCOLOR_RGBA(fogcolor[0], fogcolor[1], fogcolor[2], 0)
Renderer::SetRenderState(D3DRS_FOGCOLOR, bpmem.fog.color);
}
break;

1
Source/Plugins/Plugin_VideoOGL/Src/BPStructs.cpp
View File

@ -291,6 +291,7 @@ void BPWritten(int addr, int changes, int newval)
case 6: // Backward exp
case 7: // Backward exp2
// TODO: Figure out how to do these in GL
//TEV_FSEL_BX, TEV_FSEL_BX2?
default:
printf("Non-Emulated Fog selection %d\n", bpmem.fog.c_proj_fsel.fsel);
break;