void glXSwapBuffers(Display * dpy, GLXDrawable drawable)
{
if (GLURAY_RENDER_MODE & GLURAY_RENDER_GLXSWAPBUFFERS)
gr_render();
next_glXSwapBuffers(dpy, drawable);
}
void glFlush()
{
next_glFlush();
printGLError();
if (GLURAY_RENDER_MODE & GLURAY_RENDER_GLFLUSH)
gr_render();
debugPrint("glFlush()\n");
}
void glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void * pixels)
{
if (format == GL_RGBA //TODO: this assumes compositors will read in rgba first...
&& (GLURAY_RENDER_MODE & GLURAY_RENDER_GLREADPIXELS) )
gr_render();
next_glReadPixels(x, y, width, height, format, type, pixels);
printGLError();
debugPrint("glReadPixels(x= %i, y= %i, width= %u, height= %u, format= %s, type= %s, pixels= %x)\n", x, y, width, height, getEnumString(format), getEnumString(type), pixels);
}
void geometry_batcher::render(int flags, float radius)
{
if (n_to_render) {
if ( Use_Shaders_for_effect_rendering && (flags & TMAP_FLAG_SOFT_QUAD || flags & TMAP_FLAG_DISTORTION || flags & TMAP_FLAG_DISTORTION_THRUSTER) && use_radius ) {
gr_render_effect(n_to_render * 3, vert, radius_list, flags | TMAP_FLAG_TRILIST);
} else {
gr_render(n_to_render * 3, vert, flags | TMAP_FLAG_TRILIST);
}
use_radius = true;
n_to_render = 0;
}
}
void geometry_batcher::render(int flags, float radius)
{
if (n_to_render) {
if ( Use_Shaders_for_effect_rendering && Use_GLSL > 2 && ((flags & TMAP_FLAG_SOFT_QUAD) && Cmdline_softparticles) || (flags & TMAP_FLAG_DISTORTION) || ((flags & TMAP_FLAG_DISTORTION_THRUSTER) && use_radius) ) {
gr_render_effect(n_to_render * 3, vert, radius_list, flags | TMAP_FLAG_TRILIST);
} else {
gr_render(n_to_render * 3, vert, flags | TMAP_FLAG_TRILIST);
}
use_radius = true;
n_to_render = 0;
}
}
void trail_render( trail * trailp )
{
int sections[NUM_TRAIL_SECTIONS];
int num_sections = 0;
int i;
vec3d topv, botv, *fvec, last_pos, tmp_fvec;
vertex top, bot;
int nv = 0;
float w;
ubyte l;
vec3d centerv;
if (trailp->tail == trailp->head)
return;
// if this trail is on the player ship, and he's in any padlock view except rear view, don't draw
if ( (Player_ship != NULL) && trail_is_on_ship(trailp, Player_ship) &&
(Viewer_mode & (VM_PADLOCK_UP | VM_PADLOCK_LEFT | VM_PADLOCK_RIGHT)) )
{
return;
}
trail_info *ti = &trailp->info;
int n = trailp->tail;
do {
n--;
if (n < 0)
n = NUM_TRAIL_SECTIONS-1;
if (trailp->val[n] > 1.0f)
break;
sections[num_sections++] = n;
} while ( n != trailp->head );
if (num_sections <= 0)
return;
Assertion(ti->texture.bitmap_id != -1, "Weapon trail %s could not be loaded", ti->texture.filename); // We can leave this as an assert, but tell them how to fix it. --Chief
memset( &top, 0, sizeof(vertex) );
memset( &bot, 0, sizeof(vertex) );
// it's a tristrip, so allocate for 2+1
allocate_trail_verts((num_sections * 2) + 1);
float w_size = (ti->w_end - ti->w_start);
float a_size = (ti->a_end - ti->a_start);
int num_faded_sections = ti->n_fade_out_sections;
for (i = 0; i < num_sections; i++) {
n = sections[i];
float init_fade_out = 1.0f;
if ((num_faded_sections > 0) && (i < num_faded_sections)) {
init_fade_out = ((float) i) / (float) num_faded_sections;
}
w = trailp->val[n] * w_size + ti->w_start;
if (init_fade_out != 1.0f) {
l = (ubyte)fl2i((trailp->val[n] * a_size + ti->a_start) * 255.0f * init_fade_out * init_fade_out);
} else {
l = (ubyte)fl2i((trailp->val[n] * a_size + ti->a_start) * 255.0f);
}
if ( i == 0 ) {
if ( num_sections > 1 ) {
vm_vec_sub(&tmp_fvec, &trailp->pos[n], &trailp->pos[sections[i+1]] );
vm_vec_normalize_safe(&tmp_fvec);
fvec = &tmp_fvec;
} else {
fvec = &tmp_fvec;
fvec->xyz.x = 0.0f;
fvec->xyz.y = 0.0f;
fvec->xyz.z = 1.0f;
}
} else {
vm_vec_sub(&tmp_fvec, &last_pos, &trailp->pos[n] );
vm_vec_normalize_safe(&tmp_fvec);
fvec = &tmp_fvec;
}
trail_calc_facing_pts( &topv, &botv, fvec, &trailp->pos[n], w );
if ( !Cmdline_nohtl ) {
g3_transfer_vertex( &top, &topv );
g3_transfer_vertex( &bot, &botv );
} else {
g3_rotate_vertex( &top, &topv );
g3_rotate_vertex( &bot, &botv );
}
top.a = bot.a = l;
if (i > 0) {
float U = i2fl(i);
if (i == num_sections-1) {
// Last one...
vm_vec_avg( ¢erv, &topv, &botv );
if ( !Cmdline_nohtl )
g3_transfer_vertex( &Trail_v_list[nv+2], ¢erv );
else
g3_rotate_vertex( &Trail_v_list[nv+2], ¢erv );
Trail_v_list[nv].a = l;
Trail_v_list[nv].texture_position.u = U;
Trail_v_list[nv].texture_position.v = 1.0f;
Trail_v_list[nv].r = Trail_v_list[nv].g = Trail_v_list[nv].b = l;
nv++;
Trail_v_list[nv].texture_position.u = U;
Trail_v_list[nv].texture_position.v = 0.0f;
Trail_v_list[nv].r = Trail_v_list[nv].g = Trail_v_list[nv].b = l;
nv++;
Trail_v_list[nv].texture_position.u = U + 1.0f;
Trail_v_list[nv].texture_position.v = 0.5f;
Trail_v_list[nv].r = Trail_v_list[nv].g = Trail_v_list[nv].b = 0;
nv++;
} else {
Trail_v_list[nv].texture_position.u = U;
Trail_v_list[nv].texture_position.v = 1.0f;
Trail_v_list[nv].r = Trail_v_list[nv].g = Trail_v_list[nv].b = l;
nv++;
Trail_v_list[nv].texture_position.u = U;
Trail_v_list[nv].texture_position.v = 0.0f;
Trail_v_list[nv].r = Trail_v_list[nv].g = Trail_v_list[nv].b = l;
nv++;
}
}
last_pos = trailp->pos[n];
Trail_v_list[nv] = top;
Trail_v_list[nv+1] = bot;
}
if ( !nv )
return;
if (nv < 3)
Error( LOCATION, "too few verts in trail render\n" );
// there should always be three verts in the last section and 2 everyware else, therefore there should always be an odd number of verts
if ( (nv % 2) != 1 )
Warning( LOCATION, "even number of verts in trail render\n" );
profile_begin("Trail Draw");
gr_set_bitmap( ti->texture.bitmap_id, GR_ALPHABLEND_FILTER, GR_BITBLT_MODE_NORMAL, 1.0f );
gr_render(nv, Trail_v_list, TMAP_FLAG_TEXTURED | TMAP_FLAG_ALPHA | TMAP_FLAG_GOURAUD | TMAP_FLAG_RGB | TMAP_HTL_3D_UNLIT | TMAP_FLAG_TRISTRIP);
profile_end("Trail Draw");
}
