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#include <mbgl/gl/offscreen_view.hpp>
#include <mbgl/gl/context.hpp>
#include <cstring>
#include <cassert>
namespace mbgl {
OffscreenView::OffscreenView(gl::Context& context_, const Size size_)
: size(std::move(size_)), context(context_) {
assert(size);
}
void OffscreenView::bind() {
if (!framebuffer) {
color = context.createRenderbuffer<gl::RenderbufferType::RGBA>(size);
depthStencil = context.createRenderbuffer<gl::RenderbufferType::DepthStencil>(size);
framebuffer = context.createFramebuffer(*color, *depthStencil);
} else {
context.bindFramebuffer = framebuffer->framebuffer;
}
context.viewport = { 0, 0, size };
}
PremultipliedImage OffscreenView::readStillImage() {
return context.readFramebuffer<PremultipliedImage>(size);
}
} // namespace mbgl
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