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support ScissorAttrib

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This commit is contained in:
David Rose 2008-08-01 17:28:41 +00:00
parent 62b406d83b
commit 795f4c4b01
2 changed files with 25 additions and 0 deletions
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24
panda/src/dxgsg9/dxGraphicsStateGuardian9.cxx
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@ -893,6 +893,7 @@ prepare_display_region(DisplayRegionPipelineReader *dr,
<< "GetViewport(" << vp_old.X << ", " << vp_old.Y << ", " << vp_old.Width << ", "
<< vp_old.Height << ") returned: Trying to set that vp---->\n";
hr = _d3d_device->SetViewport(&vp_old);
set_render_state(D3DRS_SCISSORTESTENABLE, FALSE);
if (FAILED(hr)) {
dxgsg9_cat.error() << "Failed again\n";
@ -3621,6 +3622,11 @@ set_state_and_transform(const RenderState *target,
_state._stencil = _target._stencil;
}
if (_target._scissor != _state._scissor) {
do_issue_scissor();
_state._scissor = _target._scissor;
}
_state_rs = _target_rs;
}
@ -5649,6 +5655,24 @@ do_issue_stencil() {
}
}
////////////////////////////////////////////////////////////////////
// Function: dxGraphicsStateGuardian9::do_issue_scissor
// Access: Protected
// Description:
////////////////////////////////////////////////////////////////////
void DXGraphicsStateGuardian9::
do_issue_scissor() {
const LVecBase4f &frame = _target._scissor->get_frame();
RECT r;
r.left = _current_viewport.X + _current_viewport.Width * frame[0];
r.top = _current_viewport.Y + _current_viewport.Height * (1.0f - frame[3]);
r.right = _current_viewport.X + _current_viewport.Width * frame[1];
r.bottom = _current_viewport.Y + _current_viewport.Height * (1.0f - frame[2]);
_d3d_device->SetScissorRect(&r);
set_render_state(D3DRS_SCISSORTESTENABLE, TRUE);
}
////////////////////////////////////////////////////////////////////
// Function: dxGraphicsStateGuardian9::calc_fb_properties
// Access: Public

1
panda/src/dxgsg9/dxGraphicsStateGuardian9.h
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@ -187,6 +187,7 @@ protected:
void do_issue_texture();
void do_issue_blending();
void do_issue_stencil();
void do_issue_scissor();
virtual void enable_lighting(bool enable);
virtual void set_ambient_light(const Colorf &color);