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Preliminary implementation of Shader editor

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Connect TextEditor with ImageFilter from current Clone Source.  GLSL Compilation seems to work....
This commit is contained in:
Bruno Herbelin
2022-04-21 00:18:37 +02:00
parent c71791b649
commit 56b17116e3
8 changed files with 356 additions and 166 deletions
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41
CloneSource.cpp
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@@ -28,13 +28,12 @@
#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), filter_(nullptr)
garbage_image_(nullptr), timer_reset_(false), delay_(0.0), paused_(false), filter_render_(nullptr)
{
// initial name copies the origin name: diplucates are namanged in session
name_ = origin->name();
@@ -65,8 +64,8 @@ CloneSource::~CloneSource()
images_.pop();
}
if (filter_)
delete filter_;
if (filter_render_)
delete filter_render_;
if (cloningsurface_)
delete cloningsurface_;
@@ -88,13 +87,14 @@ void CloneSource::init()
// ask to reset elapsed-timer
timer_reset_ = true;
// create filter
filter_ = new ImageFilter( res, true );
filter_->setInputTexture( images_.front()->texture() );
// create filter for this resolution (with alpha channel)
filter_render_ = new ImageFilterRenderer( res );
// set initial texture surface
texturesurface_->setTextureIndex( filter_->getOutputTexture() );
// texturesurface_->setTextureIndex( images_.front()->texture() );
// provide initial texture to filter
filter_render_->setInputTexture( images_.front()->texture() );
// set texture surface to draw the result of the filter
texturesurface_->setTextureIndex( filter_render_->getOutputTexture() );
// create render Frame buffer matching size of images
FrameBuffer *renderbuffer = new FrameBuffer( res, true );
@@ -119,8 +119,8 @@ void CloneSource::render()
init();
else {
// render filtered image
filter_->draw();
texturesurface_->setTextureIndex( filter_->getOutputTexture() );
filter_render_->draw();
texturesurface_->setTextureIndex( filter_render_->getOutputTexture() );
// render textured surface into frame buffer
renderbuffer_->begin();
@@ -206,12 +206,12 @@ void CloneSource::update(float dt)
// make sure the queue is not empty (in case of failure above)
if ( !images_.empty() ) {
// blit rendered framebuffer in the newest image (back)
// blit origin framebuffer in the newest image (back)
origin_->frame()->blit( images_.back() );
// update the source surface to be rendered with the oldest image (front)
// update the surface to be rendered with the oldest image (front)
// texturesurface_->setTextureIndex( images_.front()->texture() );
filter_->setInputTexture( images_.front()->texture() );
filter_render_->setInputTexture( images_.front()->texture() );
}
}
@@ -228,6 +228,17 @@ void CloneSource::setDelay(double second)
delay_ = CLAMP(second, 0.0, 2.0);
}
void CloneSource::setFilter(const ImageFilter &filter)
{
filter_render_->setFilter(filter);
}
ImageFilter CloneSource::filter() const
{
return filter_render_->filter();
}
void CloneSource::play (bool on)
{
// if a different state is asked