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rt(gl46): fix invalid framebuffer copies

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chyyran 2024-03-05 18:49:33 -05:00 committed by Ronny Chan
parent 66a0ee21e3
commit 89b620a7c1
1 changed files with 11 additions and 9 deletions
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20
librashader-runtime-gl/src/gl/gl46/framebuffer.rs
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@ -79,22 +79,24 @@ impl FramebufferInterface for Gl46Framebuffer {
}
fn copy_from(fb: &mut GLFramebuffer, image: &GLImage) -> Result<()> {
// todo: confirm this behaviour for unbound image.
if image.handle == 0 {
return Ok(());
}
// todo: may want to use a shader and draw a quad to be faster.
if image.size != fb.size || image.format != fb.format {
Self::init(fb, image.size, image.format)?;
}
if image.handle == 0 {
return Ok(());
}
unsafe {
// gl::NamedFramebufferDrawBuffer(fb.handle, gl::COLOR_ATTACHMENT1);
gl::NamedFramebufferReadBuffer(image.handle, gl::COLOR_ATTACHMENT0);
gl::NamedFramebufferDrawBuffer(fb.fbo, gl::COLOR_ATTACHMENT0);
gl::NamedFramebufferReadBuffer(fb.fbo, gl::COLOR_ATTACHMENT0);
gl::NamedFramebufferDrawBuffer(fb.fbo, gl::COLOR_ATTACHMENT1);
gl::NamedFramebufferTexture(fb.fbo, gl::COLOR_ATTACHMENT0, image.handle, 0);
gl::NamedFramebufferTexture(fb.fbo, gl::COLOR_ATTACHMENT1, fb.image, 0);
gl::BlitNamedFramebuffer(
image.handle,
fb.fbo,
fb.fbo,
0,
0,
@ -185,4 +187,4 @@ impl FramebufferInterface for Gl46Framebuffer {
}
Ok(())
}
}
}