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Added cardcenter

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This commit is contained in:
Josh Yelon 2005-11-09 23:30:21 +00:00
parent 907dbec68b
commit 7e1df6e67c
2 changed files with 21 additions and 1 deletions
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21
panda/src/glstuff/glShaderContext_src.cxx
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@ -351,7 +351,7 @@ unbind()
void CLP(ShaderContext):: void CLP(ShaderContext)::
issue_cg_auto_bind(const ShaderAutoBind &bind, GSG *gsg) issue_cg_auto_bind(const ShaderAutoBind &bind, GSG *gsg)
{ {
LVecBase4f t; LVecBase4f t; float xhi,yhi; int px,py;
CGparameter p = bind.parameter; CGparameter p = bind.parameter;
switch(bind.value) { switch(bind.value) {
@ -387,6 +387,17 @@ issue_cg_auto_bind(const ShaderAutoBind &bind, GSG *gsg)
t[3] = 1; t[3] = 1;
cgGLSetParameter4fv(p, t.get_data()); cgGLSetParameter4fv(p, t.get_data());
return; return;
case SIC_sys_cardcenter:
px = gsg->_current_display_region->get_pixel_width();
py = gsg->_current_display_region->get_pixel_height();
xhi = (px*1.0) / Texture::up_to_power_2(px);
yhi = (py*1.0) / Texture::up_to_power_2(py);
t[0] = xhi*0.5;
t[1] = yhi*0.5;
t[2] = 1;
t[3] = 1;
cgGLSetParameter4fv(p, t.get_data());
return;
} }
} }
#endif #endif
@ -1118,6 +1129,14 @@ compile_cg_parameter(CGparameter p)
_cg_auto_param.push_back(bind); _cg_auto_param.push_back(bind);
return true; return true;
} }
if (pieces[1] == "cardcenter") {
if (!errchk_cg_parameter_type(p, CG_FLOAT2)) {
return false;
}
bind.value = SIC_sys_cardcenter;
_cg_auto_param.push_back(bind);
return true;
}
errchk_cg_output(p,"unknown system parameter"); errchk_cg_output(p,"unknown system parameter");
return false; return false;
} }

1
panda/src/glstuff/glShaderContext_src.h
View File

@ -74,6 +74,7 @@ private:
// From this point forward, it's okay to insert stuff. // From this point forward, it's okay to insert stuff.
SIC_sys_windowsize, SIC_sys_windowsize,
SIC_sys_pixelsize, SIC_sys_pixelsize,
SIC_sys_cardcenter,
}; };
struct ShaderAutoBind { struct ShaderAutoBind {
CGparameter parameter; CGparameter parameter;