void XCompcapMain::render(gs_effect_t *effect)
{
if (!p->win)
return;
PLock lock(&p->lock, true);
effect = obs_get_base_effect(OBS_EFFECT_OPAQUE);
if (!lock.isLocked() || !p->tex)
return;
gs_eparam_t *image = gs_effect_get_param_by_name(effect, "image");
gs_effect_set_texture(image, p->tex);
while (gs_effect_loop(effect, "Draw")) {
gs_draw_sprite(p->tex, 0, 0, 0);
}
if (p->cursor && p->gltex && p->show_cursor && !p->cursor_outside) {
effect = obs_get_base_effect(OBS_EFFECT_DEFAULT);
while (gs_effect_loop(effect, "Draw")) {
xcursor_render(p->cursor);
}
}
}
static void duplicator_capture_render(void *data, gs_effect_t *effect)
{
struct duplicator_capture *capture = data;
gs_texture_t *texture;
int rot;
if (!capture->duplicator)
return;
texture = gs_duplicator_get_texture(capture->duplicator);
if (!texture)
return;
effect = obs_get_base_effect(OBS_EFFECT_OPAQUE);
rot = capture->rot;
while (gs_effect_loop(effect, "Draw")) {
if (rot != 0) {
float x = 0.0f;
float y = 0.0f;
switch (rot) {
case 90:
x = (float)capture->height;
break;
case 180:
x = (float)capture->width;
y = (float)capture->height;
break;
case 270:
y = (float)capture->width;
break;
}
gs_matrix_push();
gs_matrix_translate3f(x, y, 0.0f);
gs_matrix_rotaa4f(0.0f, 0.0f, 1.0f, RAD((float)rot));
}
obs_source_draw(texture, 0, 0, 0, 0, false);
if (rot != 0)
gs_matrix_pop();
}
if (capture->capture_cursor) {
effect = obs_get_base_effect(OBS_EFFECT_DEFAULT);
while (gs_effect_loop(effect, "Draw")) {
draw_cursor(capture);
}
}
}
static void scale_filter_tick(void *data, float seconds)
{
struct scale_filter_data *filter = data;
enum obs_base_effect type;
obs_source_t *target;
bool lower_than_2x;
double cx_f;
double cy_f;
int cx;
int cy;
if (filter->base_canvas_resolution) {
struct obs_video_info ovi;
obs_get_video_info(&ovi);
filter->cx_in = ovi.base_width;
filter->cy_in = ovi.base_height;
}
target = obs_filter_get_target(filter->context);
filter->cx_out = 0;
filter->cy_out = 0;
filter->target_valid = !!target;
if (!filter->target_valid)
return;
cx = obs_source_get_base_width(target);
cy = obs_source_get_base_height(target);
if (!cx || !cy) {
filter->target_valid = false;
return;
}
filter->cx_out = cx;
filter->cy_out = cy;
if (!filter->valid)
return;
/* ------------------------- */
cx_f = (double)cx;
cy_f = (double)cy;
double old_aspect = cx_f / cy_f;
double new_aspect =
(double)filter->cx_in / (double)filter->cy_in;
if (filter->aspect_ratio_only) {
if (fabs(old_aspect - new_aspect) <= EPSILON) {
filter->target_valid = false;
return;
} else {
if (new_aspect > old_aspect) {
filter->cx_out = (int)(cy_f * new_aspect);
filter->cy_out = cy;
} else {
filter->cx_out = cx;
filter->cy_out = (int)(cx_f / new_aspect);
}
}
} else {
filter->cx_out = filter->cx_in;
filter->cy_out = filter->cy_in;
}
vec2_set(&filter->dimension_i,
1.0f / (float)cx,
1.0f / (float)cy);
if (filter->undistort) {
filter->undistort_factor = new_aspect / old_aspect;
} else {
filter->undistort_factor = 1.0;
}
/* ------------------------- */
lower_than_2x = filter->cx_out < cx / 2 || filter->cy_out < cy / 2;
if (lower_than_2x && filter->sampling != OBS_SCALE_POINT) {
type = OBS_EFFECT_BILINEAR_LOWRES;
} else {
switch (filter->sampling) {
default:
case OBS_SCALE_POINT:
case OBS_SCALE_BILINEAR: type = OBS_EFFECT_DEFAULT; break;
case OBS_SCALE_BICUBIC: type = OBS_EFFECT_BICUBIC; break;
case OBS_SCALE_LANCZOS: type = OBS_EFFECT_LANCZOS; break;
}
}
filter->effect = obs_get_base_effect(type);
filter->image_param = gs_effect_get_param_by_name(filter->effect,
"image");
if (type != OBS_EFFECT_DEFAULT) {
filter->dimension_param = gs_effect_get_param_by_name(
filter->effect, "base_dimension_i");
} else {
filter->dimension_param = NULL;
}
if (type == OBS_EFFECT_BICUBIC || type == OBS_EFFECT_LANCZOS) {
filter->undistort_factor_param = gs_effect_get_param_by_name(
filter->effect, "undistort_factor");
}
else {
filter->undistort_factor_param = NULL;
}
UNUSED_PARAMETER(seconds);
}
OBSProjector::OBSProjector(QWidget *widget, obs_source_t *source_, int monitor,
QString title, ProjectorType type_)
: OBSQTDisplay (widget,
Qt::Window),
source (source_),
removedSignal (obs_source_get_signal_handler(source),
"remove", OBSSourceRemoved, this)
{
projectorTitle = std::move(title);
savedMonitor = monitor;
isWindow = savedMonitor < 0;
type = type_;
if (isWindow) {
setWindowIcon(QIcon::fromTheme("obs",
QIcon(":/res/images/obs.png")));
UpdateProjectorTitle(projectorTitle);
windowedProjectors.push_back(this);
resize(480, 270);
} else {
setWindowFlags(Qt::FramelessWindowHint |
Qt::X11BypassWindowManagerHint);
QScreen *screen = QGuiApplication::screens()[savedMonitor];
setGeometry(screen->geometry());
QAction *action = new QAction(this);
action->setShortcut(Qt::Key_Escape);
addAction(action);
connect(action, SIGNAL(triggered()), this,
SLOT(EscapeTriggered()));
}
SetAlwaysOnTop(this, config_get_bool(GetGlobalConfig(),
"BasicWindow", "ProjectorAlwaysOnTop"));
setAttribute(Qt::WA_DeleteOnClose, true);
//disable application quit when last window closed
setAttribute(Qt::WA_QuitOnClose, false);
installEventFilter(CreateShortcutFilter());
auto addDrawCallback = [this] ()
{
bool isMultiview = type == ProjectorType::Multiview;
obs_display_add_draw_callback(GetDisplay(),
isMultiview ? OBSRenderMultiview : OBSRender,
this);
obs_display_set_background_color(GetDisplay(), 0x000000);
};
connect(this, &OBSQTDisplay::DisplayCreated, addDrawCallback);
bool hideCursor = config_get_bool(GetGlobalConfig(),
"BasicWindow", "HideProjectorCursor");
if (hideCursor && !isWindow) {
QPixmap empty(16, 16);
empty.fill(Qt::transparent);
setCursor(QCursor(empty));
}
if (type == ProjectorType::Multiview) {
obs_enter_graphics();
// All essential action should be placed inside this area
gs_render_start(true);
gs_vertex2f(actionSafePercentage, actionSafePercentage);
gs_vertex2f(actionSafePercentage, 1 - actionSafePercentage);
gs_vertex2f(1 - actionSafePercentage, 1 - actionSafePercentage);
gs_vertex2f(1 - actionSafePercentage, actionSafePercentage);
gs_vertex2f(actionSafePercentage, actionSafePercentage);
actionSafeMargin = gs_render_save();
// All graphics should be placed inside this area
gs_render_start(true);
gs_vertex2f(graphicsSafePercentage, graphicsSafePercentage);
gs_vertex2f(graphicsSafePercentage, 1 - graphicsSafePercentage);
gs_vertex2f(1 - graphicsSafePercentage,
1 - graphicsSafePercentage);
gs_vertex2f(1 - graphicsSafePercentage, graphicsSafePercentage);
gs_vertex2f(graphicsSafePercentage, graphicsSafePercentage);
graphicsSafeMargin = gs_render_save();
// 4:3 safe area for widescreen
gs_render_start(true);
gs_vertex2f(fourByThreeSafePercentage, graphicsSafePercentage);
gs_vertex2f(1 - fourByThreeSafePercentage,
graphicsSafePercentage);
gs_vertex2f(1 - fourByThreeSafePercentage, 1 -
graphicsSafePercentage);
gs_vertex2f(fourByThreeSafePercentage,
1 - graphicsSafePercentage);
gs_vertex2f(fourByThreeSafePercentage, graphicsSafePercentage);
fourByThreeSafeMargin = gs_render_save();
gs_render_start(true);
gs_vertex2f(0.0f, 0.5f);
gs_vertex2f(lineLength, 0.5f);
leftLine = gs_render_save();
gs_render_start(true);
gs_vertex2f(0.5f, 0.0f);
gs_vertex2f(0.5f, lineLength);
topLine = gs_render_save();
gs_render_start(true);
gs_vertex2f(1.0f, 0.5f);
gs_vertex2f(1 - lineLength, 0.5f);
rightLine = gs_render_save();
obs_leave_graphics();
solid = obs_get_base_effect(OBS_EFFECT_SOLID);
color = gs_effect_get_param_by_name(solid, "color");
UpdateMultiview();
multiviewProjectors.push_back(this);
}
App()->IncrementSleepInhibition();
if (source)
obs_source_inc_showing(source);
ready = true;
show();
// We need it here to allow keyboard input in X11 to listen to Escape
if (!isWindow)
activateWindow();
}
