Files
oak-editor/app/node/processor/renderer/rendererdownloadthread.cpp
T

128 lines
3.7 KiB
C++

#include "rendererdownloadthread.h"
#include <QFile>
#include <QFloat16>
#include <OpenImageIO/imageio.h>
#include "common/define.h"
#include "render/pixelservice.h"
RendererDownloadThread::RendererDownloadThread(QOpenGLContext *share_ctx,
const int &width,
const int &height,
const olive::PixelFormat &format,
const olive::RenderMode &mode) :
RendererThreadBase(share_ctx, width, height, format, mode),
cancelled_(false)
{
}
void RendererDownloadThread::Queue(RenderTexturePtr texture, const QString& fn, const rational& time, const QByteArray &hash)
{
texture_queue_lock_.lock();
texture_queue_.append({texture, fn, time, hash});
wait_cond_.wakeAll();
texture_queue_lock_.unlock();
}
void RendererDownloadThread::Cancel()
{
cancelled_ = true;
texture_queue_lock_.lock();
wait_cond_.wakeAll();
texture_queue_lock_.unlock();
wait();
}
void RendererDownloadThread::ProcessLoop()
{
QOpenGLFunctions* f = render_instance()->context()->functions();
QOpenGLExtraFunctions* xf = render_instance()->context()->extraFunctions();
f->glGenFramebuffers(1, &read_buffer_);
DownloadQueueEntry entry;
int buffer_size = PixelService::GetBufferSize(render_instance()->format(),
render_instance()->width(),
render_instance()->height());
QVector<uchar> data_buffer;
data_buffer.resize(buffer_size);
PixelFormatInfo format_info = PixelService::GetPixelFormatInfo(render_instance()->format());
// Set up OIIO::ImageSpec for compressing cached images on disk
OIIO::ImageSpec spec(render_instance()->width(), render_instance()->height(), kRGBAChannels, format_info.oiio_desc);
spec.attribute("compression", "dwaa:200");
while (!cancelled_) {
// Check queue for textures to download (use mutex to prevent collisions)
texture_queue_lock_.lock();
while (texture_queue_.isEmpty()) {
// Main waiting condition
wait_cond_.wait(&texture_queue_lock_);
if (cancelled_) {
break;
}
}
if (cancelled_) {
texture_queue_lock_.unlock();
break;
}
entry = texture_queue_.takeFirst();
texture_queue_lock_.unlock();
// Download the texture
f->glBindFramebuffer(GL_READ_FRAMEBUFFER, read_buffer_);
xf->glFramebufferTexture2D(GL_READ_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D,
entry.texture->texture(),
0);
f->glReadPixels(0,
0,
entry.texture->width(),
entry.texture->height(),
format_info.pixel_format,
format_info.pixel_type,
data_buffer.data());
xf->glFramebufferTexture2D(GL_READ_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D,
0,
0);
f->glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
std::string working_fn_std = entry.filename.toStdString();
std::unique_ptr<OIIO::ImageOutput> out = OIIO::ImageOutput::create(working_fn_std);
if (out) {
out->open(working_fn_std, spec);
out->write_image(format_info.oiio_desc, data_buffer.data());
out->close();
emit Downloaded(entry.time, entry.hash);
} else {
qWarning() << tr("Failed to open output file \"%1\"").arg(entry.filename);
}
}
f->glDeleteFramebuffers(1, &read_buffer_);
}