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support color_mask

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This commit is contained in:
cxgeorge 2002-04-03 04:46:13 +00:00
parent 0bf83f9a15
commit 20ff0b2604
1 changed files with 15 additions and 3 deletions
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18
panda/src/dxgsg8/dxGraphicsStateGuardian8.cxx
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@ -4206,10 +4206,22 @@ issue_texture_apply(const TextureApplyTransition *attrib) {
////////////////////////////////////////////////////////////////////
void DXGraphicsStateGuardian::
issue_color_mask(const ColorMaskTransition *attrib) {
dxgsg_cat.fatal() << "DXGSG issue_color_mask unimplemented (not implementable on DX7, need DX8)!!!";
// because PLANEMASK renderstate has inconsistent to poor driver support on dx6 and before, and is
// explicitly disabled on dx7
if(dxgsg_cat.is_debug() && ((scrn.d3dcaps.PrimitiveMiscCaps & D3DPMISCCAPS_COLORWRITEENABLE)==0)) {
dxgsg_cat.debug() << "DXGSG issue_color_mask unsupported by device #" << scrn.CardIDNum << endl;
return;
}
UINT maskVal=0x0;
if(attrib->is_write_r())
maskVal|=D3DCOLORWRITEENABLE_RED;
if(attrib->is_write_g())
maskVal|=D3DCOLORWRITEENABLE_GREEN;
if(attrib->is_write_b())
maskVal|=D3DCOLORWRITEENABLE_BLUE;
if(attrib->is_write_a())
maskVal|=D3DCOLORWRITEENABLE_ALPHA;
scrn.pD3DDevice->SetRenderState(D3DRS_COLORWRITEENABLE, maskVal);
}
////////////////////////////////////////////////////////////////////