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pgraph prepare scene

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This commit is contained in:
David Rose 2002-03-20 16:05:53 +00:00
parent 2e1ba33307
commit 9e8307ca53
2 changed files with 49 additions and 1 deletions
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48
panda/src/pgraph/qpnodePath.cxx
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@ -43,6 +43,7 @@
#include "qpsceneGraphReducer.h"
#include "textureCollection.h"
#include "globPattern.h"
#include "config_gobj.h"
// stack seems to overflow on Intel C++ at 7000. If we need more than
// 7000, need to increase stack size.
@ -2322,7 +2323,9 @@ void qpNodePath::
prepare_scene(GraphicsStateGuardianBase *gsg, bool force_retained_mode) {
nassertv_always(!is_empty());
// **** do something.
CPT(RenderState) net_state = get_net_state();
r_prepare_scene(node(), net_state, gsg,
retained_mode || force_retained_mode);
}
////////////////////////////////////////////////////////////////////
@ -2959,3 +2962,46 @@ r_find_all_textures(PandaNode *node, const RenderState *state,
r_find_all_textures(cr.get_child(i), next_state, textures);
}
}
////////////////////////////////////////////////////////////////////
// Function: qpNodePath::r_prepare_scene
// Access: Private
// Description: The recursive implementation of prepare_scene.
////////////////////////////////////////////////////////////////////
void qpNodePath::
r_prepare_scene(PandaNode *node, const RenderState *state,
GraphicsStateGuardianBase *gsg, bool do_retained_mode) {
if (node->is_geom_node()) {
qpGeomNode *gnode;
DCAST_INTO_V(gnode, node);
/*
Not implemented yet in pgraph. Maybe we don't need this anyway.
if (do_retained_mode) {
gnode->prepare(gsg);
}
*/
int num_geoms = gnode->get_num_geoms();
for (int i = 0; i < num_geoms; i++) {
CPT(RenderState) geom_state = state->compose(gnode->get_geom_state(i));
const RenderAttrib *attrib =
geom_state->get_attrib(TextureAttrib::get_class_type());
if (attrib != (const RenderAttrib *)NULL) {
const TextureAttrib *ta;
DCAST_INTO_V(ta, attrib);
Texture *texture = ta->get_texture();
if (texture != (Texture *)NULL) {
texture->prepare(gsg);
}
}
}
}
int num_children = node->get_num_children();
for (int i = 0; i < num_children; i++) {
PandaNode *child = node->get_child(i);
CPT(RenderState) child_state = state->compose(child->get_state());
r_prepare_scene(child, child_state, gsg, do_retained_mode);
}
}

2
panda/src/pgraph/qpnodePath.h
View File

@ -522,6 +522,8 @@ private:
const GlobPattern &glob) const;
void r_find_all_textures(PandaNode *node, const RenderState *state,
Textures &textures) const;
void r_prepare_scene(PandaNode *node, const RenderState *state,
GraphicsStateGuardianBase *gsg, bool do_retained_mode);
PT(qpNodePathComponent) _head;
ErrorType _error_type;