static int
draw_child(struct sprite *s, struct srt *srt, struct sprite_trans * ts) {
struct sprite_trans temp;
struct matrix temp_matrix;
struct sprite_trans *t = trans_mul(&s->t, ts, &temp, &temp_matrix);
switch (s->type) {
case TYPE_PICTURE:
switch_program(t, PROGRAM_PICTURE);
sprite_drawquad(s->s.pic, srt, t);
return 0;
case TYPE_POLYGON:
switch_program(t, PROGRAM_PICTURE);
sprite_drawpolygon(s->s.poly, srt, t);
return 0;
case TYPE_LABEL:
if (s->data.text) {
switch_program(t, s->s.label->edge ? PROGRAM_TEXT_EDGE : PROGRAM_TEXT);
label_draw(s->data.text, s->s.label,srt,t);
}
return 0;
case TYPE_ANCHOR:
anchor_update(s, srt, t);
return 0;
case TYPE_ANIMATION:
break;
case TYPE_PANNEL:
if (s->data.scissor) {
// enable scissor
set_scissor(s->s.pannel, srt, t);
return 1;
} else {
return 0;
}
default:
// todo : invalid type
return 0;
}
// draw animation
struct pack_animation *ani = s->s.ani;
int frame = real_frame(s) + s->start_frame;
struct pack_frame * pf = &ani->frame[frame];
int i;
int scissor = 0;
for (i=0;i<pf->n;i++) {
struct pack_part *pp = &pf->part[i];
int index = pp->component_id;
struct sprite * child = s->data.children[index];
if (child == NULL || child->visible == false) {
continue;
}
struct sprite_trans temp2;
struct matrix temp_matrix2;
struct sprite_trans *ct = trans_mul(&pp->t, t, &temp2, &temp_matrix2);
scissor += draw_child(child, srt, ct);
}
for (i=0;i<scissor;i++) {
scissor_pop();
}
return 0;
}
void OpenGL3RenderState::enable(OpenGL3ContextState& state) const
{
depth_state_.enable(state);
stencil_state_.enable(state);
blend_state_.enable(state);
rasterizer_state_.enable(state);
if (viewport_.is_empty())
set_viewport(state, rect<int>(0, 0, state.window_size.x(), state.window_size.y()));
else
set_viewport(state, viewport_);
set_scissor(state, scissor_state_);
}
static void render_widget(AlWidget *widget, Vec2 translate, Box2 scissor)
{
widget->valid = true;
if (!widget->visible)
return;
Vec2 location = vec2_add(widget->location, translate);
Box2 bounds = box2_add_vec2(widget->bounds, location);
scissor = box2_round(box2_intersect(scissor, bounds));
if (!box2_is_valid(scissor))
return;
if (!widget->passThrough) {
set_scissor(scissor);
render_widget_main(widget, bounds);
if (widget->border.width > 0) {
scissor = box2_expand(scissor, -widget->border.width);
set_scissor(scissor);
}
if (widget->model.model) {
render_model(widget->model.model, vec2_add(widget->model.location, location), widget->model.scale);
}
if (widget->text.value) {
render_text(widget->text.value, widget->text.colour, vec2_add(widget->text.location, location), widget->text.size);
}
}
FOR_EACH_WIDGET(child, widget) {
render_widget(child, location, scissor);
}
void D3DGraphicContextProvider::reset_scissor()
{
set_scissor(Rect(0,0,0x7FFFFFFF,0x7FFFFFFF));
// The below does not work, why?
//window->get_device_context()->RSSetScissorRects(0, 0);
}