yukijoou/kwin
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

screencast: Simplify the region path

Browse source 
No need to render the intermediate texture into a second intermediate
texture.
This commit is contained in:
Aleix Pol 2023-02-13 20:31:34 +01:00 committed by Aleix Pol Gonzalez
parent 6394bccdcb
commit 577c031599
2 changed files with 10 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/plugins/screencast/regionscreencastsource.cpp
View file

@ -70,7 +70,7 @@ std::chrono::nanoseconds RegionScreenCastSource::clock() const
return m_last;
}
void RegionScreenCastSource::render(GLFramebuffer *target)
void RegionScreenCastSource::ensureTexture()
{
if (!m_renderedTexture) {
m_renderedTexture.reset(new GLTexture(hasAlphaChannel() ? GL_RGBA8 : GL_RGB8, textureSize()));
@ -82,6 +82,11 @@ void RegionScreenCastSource::render(GLFramebuffer *target)
}
}
}
}
void RegionScreenCastSource::render(GLFramebuffer *target)
{
ensureTexture();
GLFramebuffer::pushFramebuffer(target);
QRect r(QPoint(), target->size());
@ -102,11 +107,8 @@ void RegionScreenCastSource::render(GLFramebuffer *target)
void RegionScreenCastSource::render(QImage *image)
{
GLTexture offscreenTexture(hasAlphaChannel() ? GL_RGBA8 : GL_RGB8, textureSize());
GLFramebuffer offscreenTarget(&offscreenTexture);
render(&offscreenTarget);
grabTexture(&offscreenTexture, image);
ensureTexture();
grabTexture(m_renderedTexture.get(), image);
}
}

2
src/plugins/screencast/regionscreencastsource.h
View file

@ -41,6 +41,8 @@ public:
void updateOutput(Output *output);
private:
void ensureTexture();
const QRect m_region;
const qreal m_scale;
std::unique_ptr<GLFramebuffer> m_target;