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reset lighting and clip planes between scenes

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This commit is contained in:
David Rose 2005-05-13 00:23:19 +00:00
parent 4d6434e210
commit 5fdd7cab0e
1 changed files with 36 additions and 35 deletions
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71
panda/src/display/graphicsStateGuardian.cxx
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@ -523,41 +523,6 @@ begin_frame() {
// up to release in the past frame, and load up any newly requested
// textures.
_prepared_objects->update(this);
// Undo any lighting we had enabled last frame, to force the lights
// to be reissued, in case their parameters or positions have
// changed between frames.
if (_lighting_enabled_this_frame) {
for (int i = 0; i < (int)_light_info.size(); i++) {
if (_light_info[i]._enabled) {
enable_light(i, false);
_light_info[i]._enabled = false;
}
_light_info[i]._light = NodePath();
}
// Also force the lighting state to unlit, so that issue_light()
// will be guaranteed to be called next frame even if we have the
// same set of light pointers we had this frame.
modify_state(get_unlit_state());
_lighting_enabled_this_frame = false;
}
// Ditto for the clipping planes.
if (_clip_planes_enabled_this_frame) {
for (int i = 0; i < (int)_clip_plane_info.size(); i++) {
if (_clip_plane_info[i]._enabled) {
enable_clip_plane(i, false);
_clip_plane_info[i]._enabled = false;
}
_clip_plane_info[i]._plane = (PlaneNode *)NULL;
}
modify_state(get_unclipped_state());
_clip_planes_enabled_this_frame = false;
}
#ifdef DO_PSTATS
// For Pstats to track our current texture memory usage, we have to
@ -590,6 +555,42 @@ begin_frame() {
////////////////////////////////////////////////////////////////////
bool GraphicsStateGuardian::
begin_scene() {
// Undo any lighting we had enabled last scene, to force the lights
// to be reissued, in case their parameters or positions have
// changed between scenes.
if (_lighting_enabled_this_frame) {
for (int i = 0; i < (int)_light_info.size(); i++) {
if (_light_info[i]._enabled) {
enable_light(i, false);
_light_info[i]._enabled = false;
}
_light_info[i]._light = NodePath();
}
// Also force the lighting state to unlit, so that issue_light()
// will be guaranteed to be called next frame even if we have the
// same set of light pointers we had this frame.
modify_state(get_unlit_state());
_lighting_enabled_this_frame = false;
}
// Ditto for the clipping planes.
if (_clip_planes_enabled_this_frame) {
for (int i = 0; i < (int)_clip_plane_info.size(); i++) {
if (_clip_plane_info[i]._enabled) {
enable_clip_plane(i, false);
_clip_plane_info[i]._enabled = false;
}
_clip_plane_info[i]._plane = (PlaneNode *)NULL;
}
modify_state(get_unclipped_state());
_clip_planes_enabled_this_frame = false;
}
return true;
}