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