From 5f10c82aad318fc9091c9bd612e89fda1a77009f Mon Sep 17 00:00:00 2001 From: rodri Date: Sun, 14 Jul 2024 21:49:43 +0000 Subject: initial viewport upscaling support. --- viewport.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) (limited to 'viewport.c') diff --git a/viewport.c b/viewport.c index 0336353..d37a12c 100644 --- a/viewport.c +++ b/viewport.c @@ -11,13 +11,35 @@ static void viewport_draw(Viewport *v, Image *dst) { - v->fbctl->draw(v->fbctl, dst); + Point scale; + + scale.x = Dx(dst->r)/Dx(v->r); + scale.y = Dy(dst->r)/Dy(v->r); + + /* no downsampling support yet */ + assert(scale.x > 0 && scale.y > 0); + + if(scale.x > 1 || scale.y > 1) + v->fbctl->upscaledraw(v->fbctl, dst, scale); + else + v->fbctl->draw(v->fbctl, dst); } static void viewport_memdraw(Viewport *v, Memimage *dst) { - v->fbctl->memdraw(v->fbctl, dst); + Point scale; + + scale.x = Dx(dst->r)/Dx(v->r); + scale.y = Dy(dst->r)/Dy(v->r); + + /* no downsampling support yet */ + assert(scale.x > 0 && scale.y > 0); + + if(scale.x > 1 || scale.y > 1) + v->fbctl->upscalememdraw(v->fbctl, dst, scale); + else + v->fbctl->memdraw(v->fbctl, dst); } static Framebuf * -- cgit v1.2.3