// Constructor for standalone variables
//
AP_Var::AP_Var(Key p_key, const prog_char_t *name, Flags flags) :
_group(NULL),
_key(p_key | k_key_not_located),
_name(name),
_flags(flags)
{
// Insert the variable or group into the list of known variables, unless
// it wants to be unlisted.
//
if (!has_flags(k_flag_unlisted)) {
_link = _variables;
_variables = this;
}
}
// Destructor
//
AP_Var::~AP_Var(void)
{
AP_Var **vp;
// Determine which list the variable may be in.
// If the variable is a group member and the group has already
// been destroyed, it may not be in any list.
//
if (_group) {
vp = &_grouped_variables;
} else {
vp = &_variables;
}
// Scan the list and remove this if we find it
while (*vp) {
if (*vp == this) {
*vp = _link;
break;
}
vp = &((*vp)->_link);
}
// If we are destroying a group, remove all its variables from the list
//
if (has_flags(k_flag_is_group)) {
// Scan the list and remove any variable that has this as its group
vp = &_grouped_variables;
while (*vp) {
// Does the variable claim us as its group?
if ((*vp)->_group == this) {
*vp = (*vp)->_link;
continue;
}
vp = &((*vp)->_link);
}
}
}
int renderer_sdl2::draw(int update)
{
texture_info *texture=nullptr;
float vofs, hofs;
int blit_pixels = 0;
if (video_config.novideo)
{
return 0;
}
auto win = assert_window();
osd_dim wdim = win->get_size();
if (has_flags(FI_CHANGED) || (wdim.width() != m_width) || (wdim.height() != m_height))
{
destroy_all_textures();
m_width = wdim.width();
m_height = wdim.height();
SDL_RenderSetViewport(m_sdl_renderer, nullptr);
m_blittimer = 3;
clear_flags(FI_CHANGED);
}
//SDL_SelectRenderer(window().sdl_window);
if (m_blittimer > 0)
{
/* SDL Underlays need alpha = 0 ! */
SDL_SetRenderDrawBlendMode(m_sdl_renderer, SDL_BLENDMODE_NONE);
//SDL_SetRenderDrawColor(0,0,0,255);
SDL_SetRenderDrawColor(m_sdl_renderer, 0,0,0,0);
SDL_RenderFillRect(m_sdl_renderer, nullptr);
m_blittimer--;
}
// compute centering parameters
vofs = hofs = 0.0f;
if (video_config.centerv || video_config.centerh)
{
int ch, cw;
ch = wdim.height();
cw = wdim.width();
if (video_config.centerv)
{
vofs = (ch - m_blit_dim.height()) / 2.0f;
}
if (video_config.centerh)
{
hofs = (cw - m_blit_dim.width()) / 2.0f;
}
}
m_last_hofs = hofs;
m_last_vofs = vofs;
win->m_primlist->acquire_lock();
// now draw
for (render_primitive &prim : *win->m_primlist)
{
Uint8 sr, sg, sb, sa;
switch (prim.type)
{
case render_primitive::LINE:
sr = (int)(255.0f * prim.color.r);
sg = (int)(255.0f * prim.color.g);
sb = (int)(255.0f * prim.color.b);
sa = (int)(255.0f * prim.color.a);
SDL_SetRenderDrawBlendMode(m_sdl_renderer, map_blendmode(PRIMFLAG_GET_BLENDMODE(prim.flags)));
SDL_SetRenderDrawColor(m_sdl_renderer, sr, sg, sb, sa);
SDL_RenderDrawLine(m_sdl_renderer, prim.bounds.x0 + hofs, prim.bounds.y0 + vofs,
prim.bounds.x1 + hofs, prim.bounds.y1 + vofs);
break;
case render_primitive::QUAD:
texture = texture_update(prim);
if (texture)
blit_pixels += (texture->raw_height() * texture->raw_width());
render_quad(texture, prim,
round_nearest(hofs + prim.bounds.x0),
round_nearest(vofs + prim.bounds.y0));
break;
default:
throw emu_fatalerror("Unexpected render_primitive type\n");
}
}
win->m_primlist->release_lock();
m_last_blit_pixels = blit_pixels;
m_last_blit_time = -osd_ticks();
SDL_RenderPresent(m_sdl_renderer);
m_last_blit_time += osd_ticks();
return 0;
}
