/*
** RB_EndSurface
*/
void RB_EndSurface( void ) {
shaderCommands_t *input;
input = &tess;
if (input->numIndexes == 0) {
return;
}
if (input->indexes[SHADER_MAX_INDEXES-1] != 0) {
ri.Error (ERR_DROP, "RB_EndSurface() - SHADER_MAX_INDEXES hit");
}
if (input->xyz[SHADER_MAX_VERTEXES-1][0] != 0) {
ri.Error (ERR_DROP, "RB_EndSurface() - SHADER_MAX_VERTEXES hit");
}
if ( tess.shader == tr.shadowShader ) {
RB_ShadowTessEnd();
return;
}
// for debugging of sort order issues, stop rendering after a given sort value
if ( r_debugSort->integer && r_debugSort->integer < tess.shader->sort ) {
return;
}
//
// update performance counters
//
backEnd.pc.c_shaders++;
backEnd.pc.c_vertexes += tess.numVertexes;
backEnd.pc.c_indexes += tess.numIndexes;
backEnd.pc.c_totalIndexes += tess.numIndexes * tess.numPasses;
//
// call off to shader specific tess end function
//
tess.currentStageIteratorFunc();
//
// draw debugging stuff
//
if ( r_showtris->integer ) {
DrawTris (input);
}
if ( r_shownormals->integer ) {
DrawNormals (input);
}
if ( r_showbboxes->integer ) {
DrawBBoxes (input);
}
// clear shader so we can tell we don't have any unclosed surfaces
tess.numIndexes = 0;
GLimp_LogComment( "----------\n" );
}
static void
DrawBBoxes(R3Scene *scene, R3SceneNode *node)
{
// Draw node bounding box
node->BBox().Outline();
// Push transformation
node->Transformation().Push();
// Draw children bboxes
for (int i = 0; i < node->NChildren(); i++) {
R3SceneNode *child = node->Child(i);
DrawBBoxes(scene, child);
}
// Pop transformation
node->Transformation().Pop();
}
void GLUTRedraw(void)
{
// Check scene
if (!scene) return;
// Set viewing transformation
viewer->Camera().Load();
// Clear window
RNRgb background = scene->Background();
glClearColor(background.R(), background.G(), background.B(), 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Load lights
LoadLights(scene);
// Draw camera
if (show_camera) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(5);
DrawCamera(scene);
glLineWidth(1);
}
// Draw lights
if (show_lights) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(5);
DrawLights(scene);
glLineWidth(1);
}
// Draw rays
if (show_rays) {
glDisable(GL_LIGHTING);
glColor3d(0.0, 1.0, 0.0);
glLineWidth(3);
DrawRays(scene);
glLineWidth(1);
}
// Draw rays
if (show_photons) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(1);
DrawPhotonPaths(scene);
glLineWidth(1);
}
// Draw rays
if (show_global_samples) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(1);
DrawGlobalSamples(scene);
glLineWidth(1);
}
// Draw rays
if (show_caustic_samples) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(1);
DrawCausticSamples(scene);
glLineWidth(1);
}
// Draw scene nodes
if (show_shapes) {
glEnable(GL_LIGHTING);
R3null_material.Draw();
DrawShapes(scene, scene->Root());
R3null_material.Draw();
}
// Draw bboxes
if (show_bboxes) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 0.0, 0.0);
DrawBBoxes(scene, scene->Root());
}
// Draw frame time
if (show_frame_rate) {
char buffer[128];
static RNTime last_time;
double frame_time = last_time.Elapsed();
last_time.Read();
if ((frame_time > 0) && (frame_time < 10)) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
sprintf(buffer, "%.1f fps", 1.0 / frame_time);
DrawText(R2Point(100, 100), buffer);
}
}
// Capture screenshot image
if (screenshot_image_name) {
if (print_verbose) printf("Creating image %s\n", screenshot_image_name);
R2Image image(GLUTwindow_width, GLUTwindow_height, 3);
image.Capture();
image.Write(screenshot_image_name);
screenshot_image_name = NULL;
}
// Swap buffers
glutSwapBuffers();
}
