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New ImageFilter applied to Clone Sources

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Preliminary implementation, effective but without consequence on the rendering.
This commit is contained in:
Bruno Herbelin
2022-04-19 01:23:50 +02:00
parent 3c465f9a7a
commit d41a85f4a1
5 changed files with 346 additions and 6 deletions
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40
CloneSource.cpp
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@@ -28,12 +28,13 @@
#include "Visitor.h"
#include "FrameBuffer.h"
#include "Decorations.h"
#include "ImageFilter.h"
#include "CloneSource.h"
CloneSource::CloneSource(Source *origin, uint64_t id) : Source(id), origin_(origin), cloningsurface_(nullptr),
garbage_image_(nullptr), timer_reset_(false), delay_(0.0), paused_(false)
garbage_image_(nullptr), timer_reset_(false), delay_(0.0), paused_(false), filter_(nullptr)
{
// initial name copies the origin name: diplucates are namanged in session
name_ = origin->name();
@@ -44,7 +45,7 @@ CloneSource::CloneSource(Source *origin, uint64_t id) : Source(id), origin_(orig
// init connecting line
connection_ = new DotLine;
connection_->color = glm::vec4(COLOR_DEFAULT_SOURCE, 0.5f);
connection_->color = glm::vec4(COLOR_HIGHLIGHT_SOURCE, 0.6f);
connection_->target = origin->groups_[View::MIXING]->translation_;
groups_[View::MIXING]->attach(connection_);
@@ -64,6 +65,9 @@ CloneSource::~CloneSource()
images_.pop();
}
if (filter_)
delete filter_;
if (cloningsurface_)
delete cloningsurface_;
@@ -77,15 +81,20 @@ void CloneSource::init()
// frame buffers where to draw frames from the origin source
glm::vec3 res = origin_->frame()->resolution();
images_.push( new FrameBuffer( res, origin_->frame()->use_alpha() ) );
origin_->frame()->blit( images_.front() );
timestamps_.push( origin_->playtime() );
elapsed_.push( 0. );
// ask to reset elapsed-timer
timer_reset_ = true;
// create filter
filter_ = new ImageFilter( res, true );
filter_->setInputTexture( images_.front()->texture() );
// set initial texture surface
origin_->frame()->blit( images_.front() );
texturesurface_->setTextureIndex( images_.front()->texture() );
texturesurface_->setTextureIndex( filter_->getOutputTexture() );
// texturesurface_->setTextureIndex( images_.front()->texture() );
// create render Frame buffer matching size of images
FrameBuffer *renderbuffer = new FrameBuffer( res, true );
@@ -104,6 +113,23 @@ void CloneSource::init()
}
}
void CloneSource::render()
{
if ( renderbuffer_ == nullptr )
init();
else {
// render filtered image
filter_->draw();
texturesurface_->setTextureIndex( filter_->getOutputTexture() );
// render textured surface into frame buffer
renderbuffer_->begin();
texturesurface_->draw(glm::identity<glm::mat4>(), renderbuffer_->projection());
renderbuffer_->end();
ready_ = true;
}
}
void CloneSource::setActive (bool on)
{
@@ -183,8 +209,10 @@ void CloneSource::update(float dt)
// blit rendered framebuffer in the newest image (back)
origin_->frame()->blit( images_.back() );
// update the source surface to be rendered with the oldest image (front)
texturesurface_->setTextureIndex( images_.front()->texture() );
// update the source surface to be rendered with the oldest image (front)
// texturesurface_->setTextureIndex( images_.front()->texture() );
filter_->setInputTexture( images_.front()->texture() );
}
}