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#include "android_renderer_backend.hpp"
#include <mbgl/gfx/backend_scope.hpp>
#include <mbgl/gl/context.hpp>
#include <mbgl/gl/renderable_resource.hpp>
#include <EGL/egl.h>
#include <cassert>
namespace mbgl {
namespace android {
class AndroidGLRenderableResource final : public mbgl::gl::RenderableResource {
public:
AndroidGLRenderableResource(AndroidRendererBackend& backend_) : backend(backend_) {
}
void bind() override {
assert(gfx::BackendScope::exists());
backend.setFramebufferBinding(0);
backend.setViewport(0, 0, backend.getSize());
}
private:
AndroidRendererBackend& backend;
};
AndroidRendererBackend::AndroidRendererBackend()
: gl::RendererBackend(gfx::ContextMode::Unique),
mbgl::gfx::Renderable({ 64, 64 }, std::make_unique<AndroidGLRenderableResource>(*this)) {
}
AndroidRendererBackend::~AndroidRendererBackend() = default;
gl::ProcAddress AndroidRendererBackend::getExtensionFunctionPointer(const char* name) {
assert(gfx::BackendScope::exists());
return eglGetProcAddress(name);
}
void AndroidRendererBackend::updateViewPort() {
assert(gfx::BackendScope::exists());
setViewport(0, 0, size);
}
void AndroidRendererBackend::resizeFramebuffer(int width, int height) {
size = { static_cast<uint32_t>(width), static_cast<uint32_t>(height) };
}
PremultipliedImage AndroidRendererBackend::readFramebuffer() {
assert(gfx::BackendScope::exists());
return gl::RendererBackend::readFramebuffer(size);
}
void AndroidRendererBackend::updateAssumedState() {
assumeFramebufferBinding(0);
assumeViewport(0, 0, size);
}
void AndroidRendererBackend::markContextLost() {
if (context) {
getGLContext().setCleanupOnDestruction(false);
}
}
} // namespace android
} // namspace mbgl
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