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test render-to-texture

This commit is contained in:
aignacio_sf 2005-12-09 22:23:23 +00:00
parent 0246695237
commit b8ee93827d
1 changed files with 21 additions and 48 deletions
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69
panda/src/testbed/pview.cxx
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@ -24,6 +24,7 @@
#include "multitexReducer.h"
#include "sceneGraphReducer.h"
#include "partGroup.h"
#include "cardMaker.h"
// By including checkPandaVersion.h, we guarantee that runtime
// attempts to run pview will fail if it inadvertently links with the
@ -140,58 +141,30 @@ void
event_0(CPT_Event event, void *) {
// 0: run hacky test.
/*
SceneGraphReducer gr;
gr.collect_vertex_data(framework.get_models().node());
gr.unify(framework.get_models().node());
gr.make_nonindexed(framework.get_models().node());
*/
EventParameter param = event->get_parameter(0);
WindowFramework *wf;
DCAST_INTO_V(wf, param.get_ptr());
static int count = 0;
// Create a new offscreen buffer.
GraphicsWindow *win = wf->get_graphics_window();
PT(GraphicsOutput) buffer = win->make_texture_buffer("tex", 256, 256);
static PT(TextureStage) ts;
if (ts == (TextureStage *)NULL) {
ts = new TextureStage("ts");
ts->set_sort(50);
}
// Set the offscreen buffer to render the same scene as the main camera.
DisplayRegion *dr = buffer->make_display_region();
dr->set_camera(NodePath(wf->get_camera(0)));
NodePath models = framework.get_models();
// Make the clear color on the buffer be yellow, so it's obviously
// different from the main scene's background color.
buffer->set_clear_color(Colorf(1, 1, 0, 0));
if (count == 0) {
cerr << "applying scale\n";
models.set_color_scale(0.7, 0.7, 0.1, 1.0);
} else {
cerr << "flattening\n";
MultitexReducer mr;
//mr.set_use_geom(true);
mr.scan(models);
WindowFramework *wf = framework.get_window(0);
GraphicsWindow *win = wf->get_graphics_window();
mr.flatten(win);
if (count > 1) {
PT(Texture) tex = TexturePool::load_texture("maps/cmss12.rgb");
if (tex != (Texture *)NULL) {
cerr << "Reapplying\n";
ts->set_mode(TextureStage::M_add);
models.set_texture(ts, tex);
if (count > 3 && (count % 2) == 1) {
cerr << "Reflattening\n";
MultitexReducer mr;
mr.scan(models);
WindowFramework *wf = framework.get_window(0);
GraphicsWindow *win = wf->get_graphics_window();
mr.flatten(win);
}
}
}
}
count++;
// Apply the offscreen buffer's texture to a card in the main
// window.
CardMaker cm("card");
cm.set_frame(0, 1, 0, 1);
NodePath card_np(cm.generate());
card_np.reparent_to(wf->get_render_2d());
card_np.set_texture(buffer->get_texture());
}
void